java - 机器上的网络应用程序(在本地计算机上工作正常)

Question

我有一个错误:

 Exception in thread "TCPSelector" java.lang.NoClassDefFoundError: org/eclipse/net4j/channel/ChannelException
    at org.eclipse.net4j.internal.tcp.TCPAcceptor.createConnector(TCPAcceptor.java:218)
    at org.eclipse.net4j.internal.tcp.TCPAcceptor.handleAccept(TCPAcceptor.java:188)
    at org.eclipse.net4j.internal.tcp.TCPSelector.handleSelection(TCPSelector.java:230)
    at org.eclipse.net4j.internal.tcp.TCPSelector.run(TCPSelector.java:179)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException: org.eclipse.net4j.channel.ChannelException
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1718)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1569)
    ... 5 more
Exception in thread "TCPSelector" java.lang.ExceptionInInitializerError
    at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47)
    at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)
    at sun.nio.ch.IOUtil.write(IOUtil.java:51)
    at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:487)
    at org.eclipse.internal.net4j.buffer.Buffer.write(Buffer.java:306)
    at org.eclipse.net4j.internal.tcp.TCPConnector.handleWrite(TCPConnector.java:311)
    at org.eclipse.net4j.internal.tcp.TCPSelector.handleSelection(TCPSelector.java:264)
    at org.eclipse.net4j.internal.tcp.TCPSelector.run(TCPSelector.java:179)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Too many open files
    at sun.nio.ch.FileDispatcherImpl.init(Native Method)
    at sun.nio.ch.FileDispatcherImpl.<clinit>(FileDispatcherImpl.java:35)
    ... 9 more

Exception in thread "TCPSelector" java.lang.NoClassDefFoundError: Could not initialize class sun.nio.ch.FileDispatcherImpl
    at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47)
    at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)
    at sun.nio.ch.IOUtil.write(IOUtil.java:51)
    at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:487)
    at org.eclipse.internal.net4j.buffer.Buffer.write(Buffer.java:306)
    at org.eclipse.net4j.internal.tcp.TCPConnector.handleWrite(TCPConnector.java:311)
    at org.eclipse.net4j.internal.tcp.TCPSelector.handleSelection(TCPSelector.java:264)
    at org.eclipse.net4j.internal.tcp.TCPSelector.run(TCPSelector.java:179)
    at java.lang.Thread.run(Thread.java:745)

在本地计算机(本地 tomcat)上它工作正常。在机器上我有这个错误。我很困惑，因为我不知道为什么它不起作用。

Answer 1

看起来您的操作系统已用完文件描述符:

java.io.IOException: Too many open files

如果你在 linux 上运行 have a look at the ulimit command