Yes, I saw that problem in a linux machine only. It&#39;s about the amount sockets that the system is able to open.<div>I remember looking at the Mina documentation to see how to fix it, but something should be wrong there.. because it&#39;s not supposed to open a huge amount of sockets for working.</div>

<div>Cheers<br><br><div class="gmail_quote">On Wed, Nov 9, 2011 at 12:10 PM, Cracel, Rogerio <span dir="ltr">&lt;<a href="mailto:rcracel@cghtech.com">rcracel@cghtech.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">




<div style="word-wrap:break-word">I have been experiencing constant &#39;Too many open files&#39; exceptions on the TaskClient during connect()<div><br></div><div>For every operation, I connect and disconnect as such…</div>

<div><br></div><div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">TaskClient client = <span style="color:#961a65">new</span> TaskClient(<span style="color:#961a65">new</span> MinaTaskClientConnector(<span style="color:#3b3df5">&quot;client 1&quot;</span>, <span style="color:#961a65">new</span> MinaTaskClientHandler(SystemEventListenerFactory.getSystemEventListener())));</div>

<div><br></div><div>…. invoke operation on the task server (complete, release, claim, …)</div><div><br></div><div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">client.disconnect();</div></div>

<div><br></div><div>The exception only manifests itself when attempting to connect to the task client, the remaining of the application (database connections, servlet requests, …) complete successfully.</div><div><br></div>

<div>Any insight on this would be very much appreciated.</div><div><br></div><div>Thank you.</div><div><br></div><div>----</div><div><pre style="color:rgb(0, 0, 0);font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;word-spacing:0px;background-color:rgb(255, 255, 255)">

java.io.IOException: Too many open files
	sun.nio.ch.IOUtil.initPipe(Native Method)
	sun.nio.ch.EPollSelectorImpl.&lt;init&gt;(EPollSelectorImpl.java:49)
	sun.nio.ch.EPollSelectorProvider.openSelector(EPollSelectorProvider.java:18)
	java.nio.channels.Selector.open(Selector.java:209)
	org.apache.mina.transport.socket.nio.NioProcessor.&lt;init&gt;(NioProcessor.java:56)
	sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
	sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
	java.lang.reflect.Constructor.newInstance(Constructor.java:513)
	org.apache.mina.core.service.SimpleIoProcessorPool.&lt;init&gt;(SimpleIoProcessorPool.java:156)
	org.apache.mina.core.service.SimpleIoProcessorPool.&lt;init&gt;(SimpleIoProcessorPool.java:104)
	org.apache.mina.core.polling.AbstractPollingIoConnector.&lt;init&gt;(AbstractPollingIoConnector.java:93)
	org.apache.mina.transport.socket.nio.NioSocketConnector.&lt;init&gt;(NioSocketConnector.java:55)
	org.jbpm.task.service.mina.MinaTaskClientConnector.connect(MinaTaskClientConnector.java:60)
	org.jbpm.task.service.TaskClient.connect(TaskClient.java:745)
	gov.faa.aim.utils.TaskUtils.connect(TaskUtils.java:52)
	gov.faa.aim.utils.TaskUtils.getTasksForUser(TaskUtils.java:107)
	gov.faa.aim.web.controllers.TaskViewController.listTasks(TaskViewController.java:179)
	sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	java.lang.reflect.Method.invoke(Method.java:597)
	org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
	org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:436)
	org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:424)
	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)
	org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:669)
	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:574)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:369)
	org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109)
	org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
	org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:97)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
	org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:100)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
	org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:78)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
	org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
	org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:35)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
	org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:177)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
	org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:187)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
	org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
	org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:79)
	org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:381)
	org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:168)
	org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
	org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
</pre><div style="font-family:Tahoma, Arial, sans-serif;background-color:rgb(255, 255, 255);color:rgb(0, 0, 0);font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">

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