현상 : 잘 돌아가고 있는 Java 프로세스에서 갑자기 에러 발생.
원인 : Java 프로세스가 떠 있는 상태에서 JDK 버전을 업데이트 해서 에러 발생.
해결 : Java 프로세스 재구동.
[WARN ] Failed to create a new channel from an accepted socket. {nioEventLoopGroup-3-1}
at io.netty.channel.socket.nio.NioServerSocketChannel.doReadMessages(NioServerSocketChannel.java:155)
java.lang.UnsatisfiedLinkError: no net in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867)
at java.lang.Runtime.loadLibrary0(Runtime.java:870)
at java.lang.System.loadLibrary(System.java:1122)
at sun.net.ExtendedOptionsImpl.lambda$static$0(ExtendedOptionsImpl.java:48)
at java.security.AccessController.doPrivileged(Native Method)
at sun.net.ExtendedOptionsImpl.<clinit>(ExtendedOptionsImpl.java:47)
at sun.nio.ch.SocketChannelImpl$DefaultOptionsHolder.defaultOptions(SocketChannelImpl.java:242)
at sun.nio.ch.SocketChannelImpl$DefaultOptionsHolder.<clinit>(SocketChannelImpl.java:229)
at sun.nio.ch.SocketChannelImpl.supportedOptions(SocketChannelImpl.java:251)
at sun.nio.ch.SocketChannelImpl.setOption(SocketChannelImpl.java:169)
at sun.nio.ch.SocketAdaptor.setBooleanOption(SocketAdaptor.java:271)
at sun.nio.ch.SocketAdaptor.setTcpNoDelay(SocketAdaptor.java:306)
at io.netty.channel.socket.DefaultSocketChannelConfig.setTcpNoDelay(DefaultSocketChannelConfig.java:253)
at io.netty.channel.socket.DefaultSocketChannelConfig.<init>(DefaultSocketChannelConfig.java:53)
at io.netty.channel.socket.nio.NioSocketChannel$NioSocketChannelConfig.<init>(NioSocketChannel.java:470)
at io.netty.channel.socket.nio.NioSocketChannel$NioSocketChannelConfig.<init>(NioSocketChannel.java:467)
at io.netty.channel.socket.nio.NioSocketChannel.<init>(NioSocketChannel.java:106)
at io.netty.channel.socket.nio.NioServerSocketChannel.doReadMessages(NioServerSocketChannel.java:151)
at io.netty.channel.nio.AbstractNioMessageChannel$NioMessageUnsafe.read(AbstractNioMessageChannel.java:75)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:748)
[WARN ] Failed to create a new channel from an accepted socket. {nioEventLoopGroup-3-1}
at io.netty.channel.socket.nio.NioServerSocketChannel.doReadMessages(NioServerSocketChannel.java:155)
java.lang.NoClassDefFoundError: Could not initialize class sun.nio.ch.SocketChannelImpl$DefaultOptionsHolder
at sun.nio.ch.SocketChannelImpl.supportedOptions(SocketChannelImpl.java:251)
at sun.nio.ch.SocketChannelImpl.setOption(SocketChannelImpl.java:169)
at sun.nio.ch.SocketAdaptor.setBooleanOption(SocketAdaptor.java:271)
at sun.nio.ch.SocketAdaptor.setTcpNoDelay(SocketAdaptor.java:306)
at io.netty.channel.socket.DefaultSocketChannelConfig.setTcpNoDelay(DefaultSocketChannelConfig.java:253)
at io.netty.channel.socket.DefaultSocketChannelConfig.<init>(DefaultSocketChannelConfig.java:53)
at io.netty.channel.socket.nio.NioSocketChannel$NioSocketChannelConfig.<init>(NioSocketChannel.java:470)
at io.netty.channel.socket.nio.NioSocketChannel$NioSocketChannelConfig.<init>(NioSocketChannel.java:467)
at io.netty.channel.socket.nio.NioSocketChannel.<init>(NioSocketChannel.java:106)
at io.netty.channel.socket.nio.NioServerSocketChannel.doReadMessages(NioServerSocketChannel.java:151)
at io.netty.channel.nio.AbstractNioMessageChannel$NioMessageUnsafe.read(AbstractNioMessageChannel.java:75)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:748)
[/proc/16105/fd ] ls -al | grep java
15 -> /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-7.b13.el7.x86_64/jre/lib/charsets.jar (deleted)
25 -> /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-7.b13.el7.x86_64/jre/lib/jsse.jar (deleted)
4 -> /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-7.b13.el7.x86_64/jre/lib/rt.jar (deleted)
7 -> /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-7.b13.el7.x86_64/jre/lib/ext/cldrdata.jar (deleted)
8 -> /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-7.b13.el7.x86_64/jre/lib/ext/localedata.jar (deleted)
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