java.io.IOException: 현재 연결은 원격 호스트에 의해 강제로 끊겼습니다
        at sun.nio.ch.SocketDispatcher.read0(Native Method)
        at sun.nio.ch.SocketDispatcher.read(Unknown Source)
        at sun.nio.ch.IOUtil.readIntoNativeBuffer(Unknown Source)
        at sun.nio.ch.IOUtil.read(Unknown Source)
        at sun.nio.ch.SocketChannelImpl.read(Unknown Source)
        at io.netty.buffer.PooledUnsafeDirectByteBuf.setBytes(PooledUnsafeDirectByteBuf.java:288)
        at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1100)
        at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:367)
        at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:118)
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:642)
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:565)
        at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:479)
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:441)
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
        at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144)
        at java.lang.Thread.run(Unknown Source)
이렇게 나오면서 계속 연결종료 [비정상(팅김)] 이렇게 나오는건 어떤 문제인지 혹시 알 수 있을까요?