Under load with concurrent users 20 and more, some of the operations occasionally fail with ConcurrentRequestTimeout error

reema.pal Apr 21, 2017 4:50 AM

We have a management application using seam 2.2 running on jboss 6.1. When the application is used by concurrent users 20 and more ,some of the operations occasionally fail with ConcurrentRequestTimeout error.Below is the error trace-

ERROR [org.jboss.seam.jsf.SeamPhaseListener] swallowing exception

org.jboss.seam.ConcurrentRequestTimeoutException: Concurrent call to conversation

at org.jboss.seam.core.Manager.restoreAndLockConversation(Manager.java:641)

at org.jboss.seam.core.Manager.restoreConversation(Manager.java:603)

at org.jboss.seam.jsf.SeamPhaseListener.afterRestoreView(SeamPhaseListener.java:392)

at org.jboss.seam.jsf.SeamPhaseListener.afterServletPhase(SeamPhaseListener.java:230)

at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:196)

at com.sun.faces.lifecycle.Phase.handleAfterPhase(Phase.java:175)

at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:114)

at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:102)

at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)

at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242)