[jboss-user] [Performance Tuning] - java.net.SocketException: Too many open files on Red Hat lin

[Kiran Krishnamurthy]

Kiran Krishnamurthy [http://community.jboss.org/people/kiranhk] replied to the discussion

"java.net.SocketException: Too many open files on Red Hat lin"

To view the discussion, visit: http://community.jboss.org/message/537892#537892

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Yes.. I was able to resolve the problem. the executor was not mentioned which will close the connections/files that are open


Navigate to "jboss-5.1.0.GA/server/ottserver/deploy/jbossweb.sar" and edit server.xml as mentioned below.

Look for following xml snippet.

<Connector port="9090" address="${jboss.bind.address}" maxThreads="250" maxHttpHeaderSize="8192" emptySessionPath="true" protocol="HTTP/1.1" enableLookups="false" redirectPort="8443" acceptCount="100" connectionTimeout="20000" disableUploadTimeout="true" />

Replace this snippet with below one.

<Executor name="appThreadpool" namePrefix="activeThread-" maxThreads="150" minSpareThreads="3" maxIdleTime="30000" />
    <Connector executor="appThreadpool" port="9090" address="${jboss.bind.address}"          maxThreads="150" maxHttpHeaderSize="8192"
         minSpareThreads="3" maxSpareThreads="20"          emptySessionPath="true" protocol="HTTP/1.1"
         enableLookups="false" redirectPort="8443" acceptCount="100"      connectionTimeout="120000" disableUploadTimeout="true" />


Look for following xml snippet.

<Connector port="8009" address="${jboss.bind.address}" protocol="AJP/1.3"  emptySessionPath="true" enableLookups="false" redirectPort="8443" />

Replace this snippet with below one.

<Connector executor="appThreadpool" port="8009" address="${jboss.bind.address}" protocol="AJP/1.3" emptySessionPath="true" enableLookups="false" redirectPort="8443" />

hope that helps.

thanks
Kiran

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