test instance page display error when doing action after few minutes

Vendors wont be able to use the page efficiently
they will need to refresh the page before doing an action

15:41:08,806 ERROR (jlabbe) [org.jboss.seam.exception.Exceptions] (http-/0.0.0.0:8080-5 /testing/test/test/TestInstance.seam) handled and logged exception: javax.servlet.ServletException
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:606) [jboss-jsf-api_2.1_spec-2.1.18.Final.jar:2.1.18.Final]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.jasig.cas.client.util.HttpServletRequestWrapperFilter.doFilter(HttpServletRequestWrapperFilter.java:62) [cas-client-core-3.1.10.IHE.1.jar:]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at net.ihe.gazelle.common.authentication.Cas20ProxyReceivingTicketValidationFilter.doFilterCAS(Cas20ProxyReceivingTicketValidationFilter.java:227) [gazelle-tools-tm.jar:4.0.7-SNAPSHOT]
at net.ihe.gazelle.common.authentication.Cas20ProxyReceivingTicketValidationFilter.doFilter(Cas20ProxyReceivingTicketValidationFilter.java:183) [gazelle-tools-tm.jar:4.0.7-SNAPSHOT]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.jasig.cas.client.session.SingleSignOutFilter.doFilter(SingleSignOutFilter.java:110) [cas-client-core-3.1.10.IHE.1.jar:]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at net.ihe.gazelle.common.servletfilter.GeneratedFileFilter.doFilter(GeneratedFileFilter.java:56) [gazelle-seam-tools-jar.jar:3.0.13-SNAPSHOT]
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at net.ihe.gazelle.common.servletfilter.StaticFilter.doFilter(StaticFilter.java:62) [gazelle-seam-tools-jar.jar:3.0.13-SNAPSHOT]
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:78) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at net.ihe.gazelle.common.servletfilter.CSPHeaderFilter.doFilter(CSPHeaderFilter.java:74) [gazelle-seam-tools-jar.jar:3.0.13-SNAPSHOT]
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at net.ihe.gazelle.common.servletfilter.SQLinjectionFilter.doFilter(SQLinjectionFilter.java:69) [gazelle-seam-tools-jar.jar:3.0.13-SNAPSHOT]
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.web.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:42) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at net.ihe.gazelle.log4j.GazelleLog4J.doFilter(GazelleLog4J.java:78) [gazelle-tm-ejb.jar:5.0.6-SNAPSHOT]
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at net.ihe.gazelle.common.servletfilter.IEHeaderFilter.doFilter(IEHeaderFilter.java:50) [gazelle-seam-tools-jar.jar:3.0.13-SNAPSHOT]
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at net.ihe.gazelle.common.fineuploader.FineuploaderFilter.doFilter(FineuploaderFilter.java:85) [gazelle-seam-tools-jar.jar:3.0.13-SNAPSHOT]
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at net.ihe.gazelle.common.session.SessionTimeoutFilter.doFilter(SessionTimeoutFilter.java:130) [gazelle-tools-tm.jar:4.0.7-SNAPSHOT]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:389) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.2.0.Final.jar:7.2.0.Final]
at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.2.0.Final.jar:7.2.0.Final]
at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169) [jboss-as-web-7.2.0.Final.jar:7.2.0.Final]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:145) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:336) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:920) [jbossweb-7.2.0.Final.jar:7.2.0.Final]
at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_80]
Caused by: java.lang.NullPointerException
at net.ihe.gazelle.tm.gazelletest.action.TestInstanceManager.reloadTestInstance(TestInstanceManager.java:2465) [gazelle-tm-ejb.jar:5.0.6-SNAPSHOT]
at net.ihe.gazelle.tm.gazelletest.action.TestInstanceManager.rechargeAndGetSortedTestStepsInstance(TestInstanceManager.java:1023) [gazelle-tm-ejb.jar:5.0.6-SNAPSHOT]
at sun.reflect.GeneratedMethodAccessor609.invoke(Unknown Source) [:1.7.0_80]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_80]
at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_80]
at org.jboss.seam.util.Reflections.invoke(Reflections.java:22) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:32) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:28) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.core.SynchronizationInterceptor.aroundInvoke(SynchronizationInterceptor.java:35) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:196) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:114) [jboss-seam-2.3.1.Final.jar:2.3.1.Final]
at net.ihe.gazelle.tm.gazelletest.action.TestInstanceManager_$$_javassist_seam_22.rechargeAndGetSortedTestStepsInstance(TestInstanceManager_$$_javassist_seam_22.java) [gazelle-tm-ejb.jar:5.0.6-SNAPSHOT]
at sun.reflect.GeneratedMethodAccessor608.invoke(Unknown Source) [:1.7.0_80]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_80]
at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_80]
at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:335) [jboss-el-1.0_02.CR6.jar:1.0_02.CR6]
at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:280) [jboss-el-1.0_02.CR6.jar:1.0_02.CR6]
at org.jboss.el.parser.AstMethodSuffix.getValue(AstMethodSuffix.java:59) [jboss-el-1.0_02.CR6.jar:1.0_02.CR6]
at org.jboss.el.parser.AstValue.getValue(AstValue.java:67) [jboss-el-1.0_02.CR6.jar:1.0_02.CR6]
at org.jboss.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186) [jboss-el-1.0_02.CR6.jar:1.0_02.CR6]
at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109) [jsf-impl-2.1.18-jbossorg-1.jar:]
at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:194) [jboss-jsf-api_2.1_spec-2.1.18.Final.jar:2.1.18.Final]
at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:182) [jboss-jsf-api_2.1_spec-2.1.18.Final.jar:2.1.18.Final]
at org.richfaces.component.UISequence.getValue(UISequence.java:175) [richfaces-components-ui-4.3.5.Final.jar:4.3.5.Final]
at org.richfaces.component.UISequence.createExtendedDataModel(UISequence.java:109) [richfaces-components-ui-4.3.5.Final.jar:4.3.5.Final]
at org.richfaces.component.UIDataTableBase.createExtendedDataModel(UIDataTableBase.java:252) [richfaces-components-ui-4.3.5.Final.jar:4.3.5.Final]
at org.richfaces.component.UIDataAdaptor.getExtendedDataModel(UIDataAdaptor.java:459) [richfaces-components-ui-4.3.5.Final.jar:4.3.5.Final]
at org.richfaces.component.UIDataAdaptor.setRowKey(UIDataAdaptor.java:272) [richfaces-components-ui-4.3.5.Final.jar:4.3.5.Final]
at org.richfaces.component.UIDataAdaptor.visitTree(UIDataAdaptor.java:1312) [richfaces-components-ui-4.3.5.Final.jar:4.3.5.Final]
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [jboss-jsf-api_2.1_spec-2.1.18.Final.jar:2.1.18.Final]
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [jboss-jsf-api_2.1_spec-2.1.18.Final.jar:2.1.18.Final]
at javax.faces.component.UIForm.visitTree(UIForm.java:371) [jboss-jsf-api_2.1_spec-2.1.18.Final.jar:2.1.18.Final]
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [jboss-jsf-api_2.1_spec-2.1.18.Final.jar:2.1.18.Final]
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [jboss-jsf-api_2.1_spec-2.1.18.Final.jar:2.1.18.Final]
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [jboss-jsf-api_2.1_spec-2.1.18.Final.jar:2.1.18.Final]
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [jboss-jsf-api_2.1_spec-2.1.18.Final.jar:2.1.18.Final]
at org.richfaces.context.ExtendedPartialViewContextImpl.visitActivatorComponent(ExtendedPartialViewContextImpl.java:493) [richfaces-core-impl-4.3.5.Final.jar:4.3.5.Final]
at org.richfaces.context.ExtendedPartialViewContextImpl.visitActivatorAtExecute(ExtendedPartialViewContextImpl.java:354) [richfaces-core-impl-4.3.5.Final.jar:4.3.5.Final]
at org.richfaces.context.ExtendedPartialViewContextImpl.getExecuteIds(ExtendedPartialViewContextImpl.java:117) [richfaces-core-impl-4.3.5.Final.jar:4.3.5.Final]
at org.richfaces.context.ExtendedPartialViewContextImpl.isExecuteAll(ExtendedPartialViewContextImpl.java:167) [richfaces-core-impl-4.3.5.Final.jar:4.3.5.Final]
at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:921) [jboss-jsf-api_2.1_spec-2.1.18.Final.jar:2.1.18.Final]
at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:78) [jsf-impl-2.1.18-jbossorg-1.jar:]
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) [jsf-impl-2.1.18-jbossorg-1.jar:]
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) [jsf-impl-2.1.18-jbossorg-1.jar:]
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593) [jboss-jsf-api_2.1_spec-2.1.18.Final.jar:2.1.18.Final]
... 57 more