对于netty中sync()方法的一些疑问~
 public final class WebSocketServer {

    static final boolean SSL = System.getProperty("ssl") != null;
    static final int PORT = Integer.parseInt(System.getProperty("port", SSL? "8443" : "8080"));

    public static void main(String[] args) throws Exception {
        // Configure SSL.
        final SslContext sslCtx;
        if (SSL) {
            SelfSignedCertificate ssc = new SelfSignedCertificate();
            sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
        } else {
            sslCtx = null;
        }

        EventLoopGroup bossGroup = new NioEventLoopGroup(1);
        EventLoopGroup workerGroup = new NioEventLoopGroup();
        try {
            ServerBootstrap b = new ServerBootstrap();
            b.group(bossGroup, workerGroup)
             .channel(NioServerSocketChannel.class)
             .handler(new LoggingHandler(LogLevel.INFO))
             .childHandler(new WebSocketServerInitializer(sslCtx));
            //从这里就有点看不懂了,这里绑定了一个端口,这个sync是什么?
            //文档上说:等待这个未来直到它完成,如果这个未来失败,重新抛出失败的原因。
            //文档上说的感觉就是java中serversocket的acpte接收方法,而且还是同步接收
            //但实时指定不是,因为执行完sync这段代码,程序并没有阻塞,而是继续执行下面的代码了
            Channel ch = b.bind(PORT).sync().channel();

            System.out.println("Open your web browser and navigate to " +
                    (SSL? "https" : "http") + "://127.0.0.1:" + PORT + '/');
            //程序执行到这里开始阻塞,等待有计算机连接进来
            ch.closeFuture().sync();
        } finally {
            bossGroup.shutdownGracefully();
            workerGroup.shutdownGracefully();
        }
    }
}

1个回答

不一样的,sync和java的accept不一样,你会发现netty中的很多操作都会调用sync来启动,感觉是有点异步操作的意思,而不是同步阻塞

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parking to wait for <0x000000008012d6d8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at org.apache.commons.pool2.impl.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:587) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:440) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:361) at redis.clients.jedis.util.Pool.getResource(Pool.java:50) at redis.clients.jedis.JedisPool.getResource(JedisPool.java:234) at com.game.redis.RedisManager.getString(RedisManager.java:219) at com.game.handler.CapitalHandler.hander(CapitalHandler.java:36) at com.game.netty.TcpServerHanler.channelRead(TcpServerHanler.java:107) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:297) at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:413) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:265) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:644) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:579) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:496) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:458) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-26" #66 prio=10 os_prio=0 tid=0x00007fe464032800 nid=0x6bf4 waiting on condition [0x00007fe4582d2000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x000000008012d6d8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at org.apache.commons.pool2.impl.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:587) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:440) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:361) at redis.clients.jedis.util.Pool.getResource(Pool.java:50) at redis.clients.jedis.JedisPool.getResource(JedisPool.java:234) at com.game.redis.RedisManager.getString(RedisManager.java:219) at com.game.handler.CapitalHandler.hander(CapitalHandler.java:36) at com.game.netty.TcpServerHanler.channelRead(TcpServerHanler.java:107) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:297) at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:413) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:265) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:644) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:579) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:496) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:458) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-25" #65 prio=10 os_prio=0 tid=0x00007fe464030800 nid=0x6be5 waiting on condition [0x00007fe458313000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x000000008012d6d8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at org.apache.commons.pool2.impl.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:587) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:440) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:361) at redis.clients.jedis.util.Pool.getResource(Pool.java:50) at redis.clients.jedis.JedisPool.getResource(JedisPool.java:234) at com.game.redis.RedisManager.getKeysList(RedisManager.java:324) at com.game.handler.DrawTaskRewardHandler.hander(DrawTaskRewardHandler.java:51) at com.game.netty.TcpServerHanler.channelRead(TcpServerHanler.java:107) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:284) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:644) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:579) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:496) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:458) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-24" #64 prio=10 os_prio=0 tid=0x00007fe46402f000 nid=0x6bd9 runnable [0x00007fe458355000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0x0000000080c7c3b0> (a io.netty.channel.nio.SelectedSelectionKeySet) - locked <0x0000000080c7c3a0> (a java.util.Collections$UnmodifiableSet) - locked <0x0000000080c7c3c8> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62) at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:752) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:408) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-23" #63 prio=10 os_prio=0 tid=0x00007fe46402d000 nid=0x6b77 waiting on condition [0x00007fe458395000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x000000008012d6d8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at org.apache.commons.pool2.impl.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:587) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:440) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:361) at redis.clients.jedis.util.Pool.getResource(Pool.java:50) at redis.clients.jedis.JedisPool.getResource(JedisPool.java:234) at com.game.redis.RedisManager.getString(RedisManager.java:219) at com.game.handler.CapitalHandler.hander(CapitalHandler.java:36) at com.game.netty.TcpServerHanler.channelRead(TcpServerHanler.java:107) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:297) at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:413) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:265) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:644) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:579) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:496) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:458) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-22" #62 prio=10 os_prio=0 tid=0x00007fe46402b000 nid=0x6b25 runnable [0x00007fe4583d7000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0x0000000080c19bb8> (a io.netty.channel.nio.SelectedSelectionKeySet) - locked <0x0000000080c19ba8> (a java.util.Collections$UnmodifiableSet) - locked <0x0000000080c19bd0> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62) at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:752) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:408) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-21" #61 prio=10 os_prio=0 tid=0x00007fe46402a000 nid=0x6ae7 waiting on condition [0x00007fe458417000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x000000008012d6d8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at org.apache.commons.pool2.impl.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:587) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:440) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:361) at redis.clients.jedis.util.Pool.getResource(Pool.java:50) at redis.clients.jedis.JedisPool.getResource(JedisPool.java:234) at com.game.redis.RedisManager.getString(RedisManager.java:219) at com.game.handler.CapitalHandler.hander(CapitalHandler.java:36) at com.game.netty.TcpServerHanler.channelRead(TcpServerHanler.java:107) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:284) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:644) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:579) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:496) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:458) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-20" #59 prio=10 os_prio=0 tid=0x00007fe464028800 nid=0x6ab6 waiting on condition [0x00007fe458ab5000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x000000008012d6d8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at org.apache.commons.pool2.impl.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:587) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:440) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:361) at redis.clients.jedis.util.Pool.getResource(Pool.java:50) at redis.clients.jedis.JedisPool.getResource(JedisPool.java:234) at com.game.redis.RedisManager.getString(RedisManager.java:219) at com.game.handler.CapitalHandler.hander(CapitalHandler.java:36) at com.game.netty.TcpServerHanler.channelRead(TcpServerHanler.java:107) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:297) at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:413) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:265) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:644) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:579) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:496) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:458) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-19" #58 prio=10 os_prio=0 tid=0x00007fe464026800 nid=0x6aad waiting on condition [0x00007fe458af6000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x000000008012d6d8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at org.apache.commons.pool2.impl.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:587) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:440) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:361) at redis.clients.jedis.util.Pool.getResource(Pool.java:50) at redis.clients.jedis.JedisPool.getResource(JedisPool.java:234) at com.game.redis.RedisManager.getString(RedisManager.java:219) at com.game.handler.CapitalHandler.hander(CapitalHandler.java:36) at com.game.netty.TcpServerHanler.channelRead(TcpServerHanler.java:107) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:297) at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:413) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:265) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:644) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:579) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:496) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:458) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-18" #57 prio=10 os_prio=0 tid=0x00007fe464025000 nid=0x6aac runnable [0x00007fe458b38000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0x000000008086c6f0> (a io.netty.channel.nio.SelectedSelectionKeySet) - locked <0x000000008086c6e0> (a java.util.Collections$UnmodifiableSet) - locked <0x000000008086c708> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62) at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:752) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:408) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-17" #56 prio=10 os_prio=0 tid=0x00007fe464023000 nid=0x6a9a waiting on condition [0x00007fe458b78000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x000000008012d6d8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at org.apache.commons.pool2.impl.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:587) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:440) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:361) at redis.clients.jedis.util.Pool.getResource(Pool.java:50) at redis.clients.jedis.JedisPool.getResource(JedisPool.java:234) at com.game.redis.RedisManager.getString(RedisManager.java:219) at com.game.handler.CapitalHandler.hander(CapitalHandler.java:36) at com.game.netty.TcpServerHanler.channelRead(TcpServerHanler.java:107) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:297) at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:413) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:265) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:644) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:579) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:496) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:458) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-16" #55 prio=10 os_prio=0 tid=0x00007fe464021800 nid=0x6a87 runnable [0x00007fe458bba000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0x00000000807dcf40> (a io.netty.channel.nio.SelectedSelectionKeySet) - locked <0x00000000807dcf30> (a java.util.Collections$UnmodifiableSet) - locked <0x00000000807dcf58> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62) at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:752) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:408) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-15" #54 prio=10 os_prio=0 tid=0x00007fe46401f800 nid=0x6a02 runnable [0x00007fe458bfb000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0x00000000808b60d8> (a io.netty.channel.nio.SelectedSelectionKeySet) - locked <0x00000000808ae818> (a java.util.Collections$UnmodifiableSet) - locked <0x00000000808b6040> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62) at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:752) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:408) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-14" #53 prio=10 os_prio=0 tid=0x00007fe46401d800 nid=0x69ee runnable [0x00007fe4e806a000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0x0000000080866e78> (a io.netty.channel.nio.SelectedSelectionKeySet) - locked <0x0000000080866e68> (a java.util.Collections$UnmodifiableSet) - locked <0x0000000080866e90> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62) at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:752) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:408) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-13" #52 prio=10 os_prio=0 tid=0x00007fe46401c000 nid=0x69cb waiting on condition [0x00007fe4e80aa000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x000000008012d6d8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at org.apache.commons.pool2.impl.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:587) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:440) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:361) at redis.clients.jedis.util.Pool.getResource(Pool.java:50) at redis.clients.jedis.JedisPool.getResource(JedisPool.java:234) at com.game.redis.RedisManager.getString(RedisManager.java:219) at com.game.handler.CapitalHandler.hander(CapitalHandler.java:36) at com.game.netty.TcpServerHanler.channelRead(TcpServerHanler.java:107) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:284) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:644) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:579) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:496) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:458) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-12" #51 prio=10 os_prio=0 tid=0x00007fe46401a800 nid=0x6928 waiting on condition [0x00007fe4e80eb000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x000000008012d6d8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at org.apache.commons.pool2.impl.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:587) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:440) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:361) at redis.clients.jedis.util.Pool.getResource(Pool.java:50) at redis.clients.jedis.JedisPool.getResource(JedisPool.java:234) at com.game.redis.RedisManager.getString(RedisManager.java:219) at com.game.handler.CapitalHandler.hander(CapitalHandler.java:36) at com.game.netty.TcpServerHanler.channelRead(TcpServerHanler.java:107) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:284) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:644) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:579) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:496) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:458) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-11" #50 prio=10 os_prio=0 tid=0x00007fe464018800 nid=0x68fe runnable [0x00007fe4e812d000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0x0000000080036480> (a io.netty.channel.nio.SelectedSelectionKeySet) - locked <0x0000000080036470> (a java.util.Collections$UnmodifiableSet) - locked <0x0000000080036428> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62) at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:752) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:408) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-10" #49 prio=10 os_prio=0 tid=0x00007fe464017000 nid=0x68dc waiting on condition [0x00007fe4e816d000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x000000008012d6d8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at org.apache.commons.pool2.impl.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:587) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:440) at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:361) at redis.clients.jedis.util.Pool.getResource(Pool.java:50) at redis.clients.jedis.JedisPool.getResource(JedisPool.java:234) at com.game.redis.RedisManager.getString(RedisManager.java:219) at com.game.handler.CapitalHandler.hander(CapitalHandler.java:36) at com.game.netty.TcpServerHanler.channelRead(TcpServerHanler.java:107) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:284) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:287) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:644) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:579) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:496) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:458) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) "nioEventLoopGroup-4-9" #48 prio=10 os_prio=0 tid=0x00007fe464015000 nid=0x68c7 runnable [0x00007fe4e81af000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0x0000000080036788> (a io.netty.channel.nio.SelectedSelectionKeySet) - locked <0x0000000080036778> (a java.util.Collections$UnmodifiableSet) - locked <0x0000000080036730> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62) at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:752) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:408) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138) at java.lang.Thread.run(Thread.java:745) 线程堆栈有些没看明白,排除法先是看看线程池、数据库线程池还没想好什么想法去看。
Netty处理流媒体性能疑问
小弟最近在做一个基于Netty的分布式视频存储客户端,但是发现在一个NioEventloop下处理多路视频数据的时候,超过8路channel以上就有视频处理不过来的情况,因为我是初学netty,请大哥们有没有遇到这样情况,怎么处理?
如何直接在Netty中做耗时
我需要实现一些业务逻辑,暂时先不考虑线程池,先把耗时的业务逻辑代码直接写在netty中,请问具体的过程和方法是什么?
netty 聊天服务 服务器存的通道Channel 怎么绑定客户端用户登录账户的id;
/** * 当有客户端连接时记录客户通道 * @param ctx * @throws Exception */ @Override public void handlerAdded(ChannelHandlerContext ctx) throws Exception { Channel channel = ctx.channel();//获得客户端通道 channels.add(channel);//添加到通道队列 } 怎么在客户端启动和服务端建立连接的时候保存chaennl和客户端用户登录的id
netty-socket-io瞬间连接量太大
基于netty的socket-io的方式做一个客户端和服务端实时通讯的功能,当我们的系统重新部署之后,原先保持的连接肯定都断开-->重新连接服务端,那么服务端肯定有收到大量的连接请求,服务端又刚刚启动;所以有以下两个问题: 1.socket-io 基于普通的服务器最多能连接多少? 2.socket-io针对服务部署后客户端瞬时大量重新连接应该怎么处理? 3.有神没有什么预热的方式,缓解系统的一部分压力,防止系统宕机崩溃? 希望各位能够帮忙。
Netty中uri中文乱码,前端的uri,通过netty解析,中文是乱码
前端发送一个uri请求,后端Netty解析后到一个FullHttpRequest对象中,通过该对象的getUri() 拿到uri,但里面的中文是乱码,应该怎么解决?
netty+springBoot 搭建的TCP服务端,报 你的主机中的软件中止了一个已建立的链接???
使用的Netty+SpringBoot搭的一个服务端的数据转中心 最近一直报你的主机中的软件中止了一个已建立的链接 查博客说是防火墙和杀毒软件的问题,但是关闭了防火墙,卸载了杀毒软件还是这样 每一个链接都不是很稳定,也不是一直都在中断,但是中断还是比较频繁了。 因为涉及到重要数据的实时转发,所以要解决这个问题,各位大佬有没有遇到的?
关于Netty4 的channelread的ByteBuf写回客户端信息的迷惑 。
关于Netty4 的channelread的ByteBuf写回客户端信息的迷惑 ``` @Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { ByteBuf buf = (ByteBuf) msg; ctx.writeAndFlush(buf); } ``` 为什么在ServerHanlder的channelread方法里,这样直接把客户端发来的消息写回客户端,客户端收不到消息 而: ``` @Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { ByteBuf buf = (ByteBuf) msg; byte[] reg = new byte[buf.readableBytes()]; buf.readBytes(reg); String body = new String(reg, "UTF-8"); ByteBuf respByteBuf = Unpooled.copiedBuffer(body.getBytes()); ctx.writeAndFlush(respByteBuf ); } ``` 这样转成字符串再转回来却能将客户端发来的消息写回去,客户端也能接收到。。小白很迷求解这样强制转换有什么不同吗,跪谢大佬!
netty怎么合并并分割ByteBuf?
我想要将多个ByteBuf合并到一起然后一并通过网络发送到客户端,然后客户端在进行拆解,怎么做到?
windows中使用telnet发送一个消息到我的netty服务器,netty服务器返回个字符串,请问如何将netty返回的字符串显示出来呢?
求各位兄弟们帮帮忙啊,小弟使用telnet发送了一个命令到我的服务端,是这样子的 ![图片说明](https://img-ask.csdn.net/upload/201911/15/1573810906_452340.png) 然后服务端成功接到了这个“abcdefg”字符串,接下来服务端返回个字符串,代码是这样的 ![图片说明](https://img-ask.csdn.net/upload/201911/15/1573811028_980461.png) 请问,我应该如何正确的使用windows的telnet功能来把服务端返回的字符串“”qifubaobao给显示出来呢?????
关于Netty在项目中的使用-疑惑!
各位好, 小弟有一事不明,请大拿们指点一二! 我想实现一个交易框架,使用netty实现,netty是基于事件的NIO框架,用它做为ServerSocket来处理客户请求,但客户方是用传统的同步BIO来实现的,就是通过socket.connect()这种方式连接到我的netty serverSokcet上来,netty不会保留connection,读完数据就把channel关闭了,connection自然也就不存在了,但client端是同步的需要等待响应,怎么将nettyserver返回的数据同步返回给client呢? 这种场景应该如何实现?请大拿指教!
netty中chnnelGroup的问题,求救?
netty中怎么实现广播“XX”会员已上线,“XX”获得最高奖等通知?(java)
用netty中的ChanelPool和FixedChannelPool应用实例
2015年5月7日,netty推出了新版本4.0.28,其中加入了新的api,ChannelPool和FixedChannelPool, 现在想用这两个新的类组建客户端的连接池,进行和服务端的通信,但是网上的相关的资料几乎是没有, 请懂的大神进,可否提供个完整的client和server端的代码实例,能够实现异步的通信,谢谢。
netty短链接高并发的问题
场景:netty服务端在高并发的情况下,由于业务逻辑的修改,需要重启netty服务端的服务,重启后,出现了一种SYN-Flood攻击的现象,Tomcat服务崩溃,远程访问不服务器的情况。 想请问一下是什么原因造成的,有什么好的解决方法吗?一开始,netty服务端未处于高并发的情况时,重启是没问题的,但是高并发以后,就不能修改业务逻辑了吗?
netty4.0 read0方法 wirteflush之后,就捕获异常了。
netty4 io.netty.util.IllegalReferenceCountException: refCnt: 0, decrement: 1 网上也看了,是relase了,造成实例被收回。这个要怎么处理?前提这是tcp长连接,怎么也会被收回???
netty高并发项目的boss/worker线程数,和业务线程数如何设置?
用netty搭建的高并发项目,比如游戏服务端,boss/worker和业务线程数如何确定?
netty测试高并发的问题
先上代码,大家帮忙看下。 服务端: package Server; import io.netty.bootstrap.ServerBootstrap; import io.netty.channel.ChannelFuture; import io.netty.channel.ChannelOption; import io.netty.channel.EventLoopGroup; import io.netty.channel.nio.NioEventLoopGroup; import io.netty.channel.socket.nio.NioServerSocketChannel; public class HelloServer { private static final int port = 7878; public void start() throws InterruptedException { EventLoopGroup bossGroup = new NioEventLoopGroup(); EventLoopGroup workGroup = new NioEventLoopGroup(); try { ServerBootstrap b = new ServerBootstrap(); b.group(bossGroup, workGroup); b.channel(NioServerSocketChannel.class); b.option(ChannelOption.SO_BACKLOG, 1024); b.childHandler(new SCCHandler()); // 绑定端口 ChannelFuture f = b.bind(port).sync(); // 等待服务端监听端口关闭 f.channel().closeFuture().sync(); } finally { // 优雅的退出 bossGroup.shutdownGracefully(); workGroup.shutdownGracefully(); } } public static void main(String[] args) { try { new HelloServer().start(); } catch (InterruptedException e) { e.printStackTrace(); } } } 客户端测试高并发的DEMO: package Client; import java.util.concurrent.Executors; import java.util.concurrent.ScheduledExecutorService; import java.util.concurrent.TimeUnit; import io.netty.bootstrap.Bootstrap; import io.netty.channel.ChannelFuture; import io.netty.channel.ChannelOption; import io.netty.channel.EventLoopGroup; import io.netty.channel.nio.NioEventLoopGroup; import io.netty.channel.socket.nio.NioSocketChannel; public class HelloClient { public static void main(String[] args) throws Exception { ScheduledExecutorService scheduledThreadPool = Executors .newScheduledThreadPool(3000); for (int i = 0; i < 3000; i++) { scheduledThreadPool.schedule(new Runnable() { public void run() { try { System.out.println("go"); new HelloClient("192.168.2.88", 7878).start(); } catch (Exception e) { System.out.println("压力测试失败->" + e.toString()); } } }, 200, TimeUnit.MILLISECONDS); } System.out.println("压力测试提交完成"); } private final String host; private final int port; public HelloClient(String host, int port) { this.host = host; this.port = port; } public void start() throws Exception { System.out.println("链接服务器开始"); EventLoopGroup group = new NioEventLoopGroup(); try { Bootstrap b = new Bootstrap(); b.group(group); b.channel(NioSocketChannel.class); // b.remoteAddress(new InetSocketAddress(host, port)); b.option(ChannelOption.TCP_NODELAY, true); b.handler(new ClientCCHandler()); // ChannelFuture f = b.connect().sync(); ChannelFuture f = b.connect(host, port); f.channel().closeFuture().sync(); } finally { group.shutdownGracefully(); } } } 到5000以上就就会出现无法连接的状态了……求解!!
netty服务端怎么打印与其连接的客户端的id?
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