Redis报错，请问该如何解决，日志如下：
我的系统代码只做了一个缓存的注解。。
@Cacheable(cacheNames = "code", key = "#root.methodName")
public Map<String, String> getSysCode() throws BizException {
//查询语句
}
Redis exception; nested exception is io.lettuce.core.RedisException: java.lang.IndexOutOfBoundsException: writerIndex(2147483646) + minWritableBytes(8) exceeds maxCapacity(2147483647): PooledUnsafeDirectByteBuf(ridx: 2147306182, widx: 2147483646, cap: 2147483647)
java.lang.IndexOutOfBoundsException: writerIndex(2147483646) + minWritableBytes(16384) exceeds maxCapacity(2147483647): PooledUnsafeDirectByteBuf(ridx: 2147306182, widx: 2147483646, cap: 2147483647)
at io.netty.buffer.AbstractByteBuf.ensureWritable0(AbstractByteBuf.java:289)
at io.netty.buffer.AbstractByteBuf.ensureWritable(AbstractByteBuf.java:278)
at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1103)
at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1096)
at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1087)
at io.lettuce.core.protocol.CommandHandler.channelRead(CommandHandler.java:554)
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.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
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.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
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$HeadContext.channelRead(DefaultChannelPipeline.java:1434)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:965)
at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:799)
at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:433)
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:330)
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:897)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:748)
WARN io.lettuce.core.protocol.CommandHandler - null Unexpected exception during request: java.lang.IndexOutOfBoundsException: writerIndex(2147483646) + minWritableBytes(65536) exceeds maxCapacity(2147483647): PooledUnsafeDirectByteBuf(ridx: 2147306182, widx: 2147483646, cap: 2147483647)
java.lang.IndexOutOfBoundsException: writerIndex(2147483646) + minWritableBytes(65536) exceeds maxCapacity(2147483647): PooledUnsafeDirectByteBuf(ridx: 2147306182, widx: 2147483646, cap: 2147483647)
at io.netty.buffer.AbstractByteBuf.ensureWritable0(AbstractByteBuf.java:289)
at io.netty.buffer.AbstractByteBuf.ensureWritable(AbstractByteBuf.java:278)
at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1103)
at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1096)
at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1087)
at io.lettuce.core.protocol.CommandHandler.channelRead(CommandHandler.java:554)
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.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
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.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
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:1434)
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:965)
at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:799)
at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:433)
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:330)
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:897)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:748)
