Question

我们在安装wso2 esb时遇到问题。

我们只配置了4个代理服务，在一个月没有问题后我们开始出现以下错误：

2013-10-02 09:29:09,366 [-] [PassThroughHTTPSListener]  WARN PassThroughHttpSSLListener System may be unstable: HTTPS ListeningIOReactor encountered a checked exception : Too many open files
java.io.IOException: Too many open files
at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)
at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:189)
at org.apache.http.impl.nio.reactor.DefaultListeningIOReactor.processEvent(DefaultListeningIOReactor.java:129)
at org.apache.http.impl.nio.reactor.DefaultListeningIOReactor.processEvents(DefaultListeningIOReactor.java:113)
at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(AbstractMultiworkerIOReactor.java:313)
at org.apache.synapse.transport.passthru.PassThroughHttpListener$2.run(PassThroughHttpListener.java:180)
at java.lang.Thread.run(Thread.java:738)

如果我列出了java打开的文件列表，我会看到数百个：

java      3906       root  150u     sock                0,7         0t0       9928 can't identify protocol
java      3906       root  151u     sock                0,7         0t0      10004 can't identify protocol

有人可以指出这个错误的原因吗？

谢谢。

Answer 1

请增加最大打开文件限制..

Eg: ulimit -f 65000

WSO2 ESB打开文件太多了

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