我是你一一哥 2016-07-08 10:27 采纳率: 54.2%
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mina连接服务器报错,发现流只清空了缓存,并没有关闭,这个合适吗

如下,米娜在断链后再连接服务端时报错,是因为out没关闭的原因吗

异常:Caused by: java.lang.OutOfMemoryError: Java heap space
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2436)
at java.lang.Class.getDeclaredMethod(Class.java:1937)
at java.io.ObjectStreamClass.getPrivateMethod(ObjectStreamClass.java:1377)
at java.io.ObjectStreamClass.access$1700(ObjectStreamClass.java:50)
at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:442)
at java.security.AccessController.doPrivileged(Native Method)
at java.io.ObjectStreamClass.(ObjectStreamClass.java:411)
at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:308)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1114)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1483)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1483)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)
at org.apache.mina.core.buffer.AbstractIoBuffer.putObject(AbstractIoBuffer.java:2251)
at org.apache.mina.filter.codec.serialization.ObjectSerializationEncoder.encode(ObjectSerializationEncoder.java:80)
at org.apache.mina.filter.codec.ProtocolCodecFilter.filterWrite(ProtocolCodecFilter.java:322)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:509)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1400(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.filterWrite(DefaultIoFilterChain.java:808)
at org.apache.mina.core.filterchain.IoFilterAdapter.filterWrite(IoFilterAdapter.java:135)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:509)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1400(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.filterWrite(DefaultIoFilterChain.java:808)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.filterWrite(DefaultIoFilterChain.java:734)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:509)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireFilterWrite(DefaultIoFilterChain.java:501)

源码:
public IoBuffer putObject(Object o) {
int oldPos = position();
skip(4); // Make a room for the length field.
try {
ObjectOutputStream out = new ObjectOutputStream(asOutputStream()) {
@Override
protected void writeClassDescriptor(ObjectStreamClass desc) throws IOException {
try {
Class<?> clz = Class.forName(desc.getName());
if (!Serializable.class.isAssignableFrom(clz)) { // NON-Serializable class
write(0);
super.writeClassDescriptor(desc);
} else { // Serializable class
write(1);
writeUTF(desc.getName());
}
} catch (ClassNotFoundException ex) { // Primitive types
write(0);
super.writeClassDescriptor(desc);
}
}
};
out.writeObject(o);
out.flush();
} catch (IOException e) {
throw new BufferDataException(e);
}

    // Fill the length field
    int newPos = position();
    position(oldPos);
    putInt(newPos - oldPos - 4);
    position(newPos);
    return this;
}
  • 写回答

1条回答 默认 最新

  • 我是你一一哥 2016-08-30 01:32
    关注

    writeFuture.awaitUninterruptibly();

    在发送消息时,加上这句话就不会内存溢出了

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论

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