One of the issues that occur after WebSphere tuning

Linux under websphere7.0, tuning after restarting WebSphere error:

Admu0116i:tool information is being logged in file
/opt/ibm/websphere/appserver/profiles/appsrv01/logs/server1/startserver.log
Admu0128i:starting tool with the APPSRV01 profile
Admu3100i:reading Configuration for Server:server1
Admu3200i:server launched. Waiting for initialization status.
Admu3011e:server launched but failed initialization. StartServer.log,
SystemOut.log (or job log in ZOS) and other log files under
/opt/ibm/websphere/appserver/profiles/appsrv01/logs/server1 should
Contain failure information.

View SystemOut.log File:

[13-8-16 13:29:04:098 gmt+08:00] 0000001c webapp E com.ibm.ws.webcontainer.webapp.WebApp logservleterror srve0293e: [Servlet error]-[action]: Com.ibm.ws.sm.workspace.WorkSpaceException:WKSP0011E Unable to create existing session ID FILE/O PT/IBM/WEBSPHERE/APPSERVER/PROFILES/APPSRV01/WSTEMP/92668751/WORKSPACE/.WORKSPACE_D6ENAENTFVUYYQXSIU88ZYF-- Java.io.IOException:Too Many open files
At Com.ibm.ws.sm.workspace.impl.WorkSpaceLogger.createException (workspacelogger.java:114)
At Com.ibm.ws.sm.workspace.impl.WorkSpaceMasterRepositoryAdapter.createSessionIdFile ( workspacemasterrepositoryadapter.java:1078)
At Com.ibm.ws.sm.workspace.impl.WorkSpaceMasterRepositoryAdapter.setSessionId ( workspacemasterrepositoryadapter.java:994)
At Com.ibm.ws.sm.workspace.impl.WorkSpaceImpl.setSessionId (workspaceimpl.java:537)
At Com.ibm.ws.sm.workspace.impl.WorkSpaceManagerImpl.createWorkSpace (workspacemanagerimpl.java:209)
At Com.ibm.ws.sm.workspace.impl.WorkSpaceManagerImpl.getWorkSpace (workspacemanagerimpl.java:302)
At Com.ibm.isclite.runtime.action.LoginAction.createWorkSpace (loginaction.java:385)
At Com.ibm.isclite.runtime.action.LoginAction.createUser (loginaction.java:349)
At Com.ibm.isclite.runtime.action.LoginAction.execute (loginaction.java:278)
At Org.apache.struts.action.RequestProcessor.processActionPerform (Unknown Source)
At Org.apache.struts.action.RequestProcessor.process (Unknown Source)
At Org.apache.struts.action.ActionServlet.process (Unknown Source)
At Org.apache.struts.action.ActionServlet.doGet (Unknown Source)
At Javax.servlet.http.HttpServlet.service (httpservlet.java:718)
At Javax.servlet.http.HttpServlet.service (httpservlet.java:831)
At Com.ibm.ws.webcontainer.servlet.ServletWrapper.service (servletwrapper.java:1655)
At Com.ibm.ws.webcontainer.servlet.ServletWrapper.service (servletwrapper.java:1595)
At Com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter (webappfilterchain.java:131)
At Com.ibm.ws.console.core.servlet.WSCUrlFilter.setUpCommandAssistence (wscurlfilter.java:927)
At Com.ibm.ws.console.core.servlet.WSCUrlFilter.continueStoringTaskState (wscurlfilter.java:494)
At Com.ibm.ws.console.core.servlet.WSCUrlFilter.doFilter (wscurlfilter.java:315)
At Com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter (filterinstancewrapper.java:188)
At Com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter (webappfilterchain.java:116)
At Com.ibm.ws.webcontainer.filter.webappfilterchain._dofilter (webappfilterchain.java:77)
At Com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter (webappfiltermanager.java:908)
At Com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest (servletwrapper.java:932)
At Com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest (servletwrapper.java:500)
At Com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest (servletwrapperimpl.java:178)
At Com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest (cacheservletwrapper.java:91)
At Com.ibm.ws.webcontainer.WebContainer.handleRequest (webcontainer.java:864)
At Com.ibm.ws.webcontainer.WSWebContainer.handleRequest (wswebcontainer.java:1583)
At Com.ibm.ws.webcontainer.channel.WCChannelLink.ready (wcchannellink.java:186)
At Com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination (httpinboundlink.java:455)
At Com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation (httpinboundlink.java:384)
At Com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete (httpiclreadcallback.java:83)
At Com.ibm.ws.ssl.channel.impl.sslreadservicecontext$sslreadcompletedcallback.complete ( sslreadservicecontext.java:1772)
At com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted (aioreadcompletionlistener.java:165)
At Com.ibm.io.async.AbstractAsyncFuture.invokeCallback (abstractasyncfuture.java:217)
At Com.ibm.io.async.AsyncChannelFuture.fireCompletionActions (asyncchannelfuture.java:161)
At com.ibm.io.async.AsyncFuture.completed (asyncfuture.java:138)
At Com.ibm.io.async.ResultHandler.complete (resulthandler.java:204)
At Com.ibm.io.async.ResultHandler.runEventProcessingLoop (resulthandler.java:775)
At Com.ibm.io.async.resulthandler$2.run (resulthandler.java:905)
At Com.ibm.ws.util.threadpool$worker.run (threadpool.java:1550)
caused by:java.io.IOException:Too many open files
At Java.io.File.createNewFile (file.java:883)
At Com.ibm.wsspi.configarchive.DefaultFileAccessor.createNewFile (defaultfileaccessor.java:246)
At Com.ibm.ws.sm.workspace.impl.FileAccessorUtil.createNewFile (fileaccessorutil.java:280)
At Com.ibm.ws.sm.workspace.impl.WorkSpaceMasterRepositoryAdapter.createSessionIdFile ( workspacemasterrepositoryadapter.java:1046)
... More

View Native_stderr.log File:

Jvmj9gc021e-xmo must be equal to-XMS
JVMJ9VM015W initialization error occurred in library J9GC24 (2) failed to initialize
Could not create the Java virtual machine.

Locate the configuration file:

/opt/ibm/websphere/appserver/profiles/appsrv01/config/cells/cmmi-contrbtnode01cell/nodes/cmmi-contrbtnode01/ Servers/server1 under Server.xml Modify the value of-xmo equals-xms, start WebSphere, issue resolution.