In very very heavy load and for a simple app it can be as much as your http request thread pool size (200 by default)
Note: using @Singleton can help too if you can Le 6 mars 2013 18:51, "José Luis Cetina" <[email protected]> a écrit : > Really im not sure how many users the webapp could handle, because is a > public webapp, i will increase the MaxSize to 50 or 100, but for any > "unexpected > overload" i will let StrictPooling to false. > > Do you consider its to much to increase to 50/100 to maxsize?? > > > > 2013/3/6 Jean-Louis MONTEIRO <[email protected]> > > > José, > > > > The MinSize is not the problem IMO. > > The MaxSize is definitely the issue. Do you have more than 10 (default > > value) simultaneous users? > > > > The StrictPooling is great to be able to always answer in case of small > > over load. > > But, you have to know that after being used, instances will be removed > and > > garbage collected. > > > > Also, creating instances can be consuming depending on the bean. > > > > I would recommend not only to set it to true, but before, trying to > define > > as much as possible the correct value for MaxSize depending on your SLAs. > > > > Hope it helps > > JLouis > > > > > > > > > > 2013/3/6 José Luis Cetina <[email protected]> > > > > > Im using 1.6.0-SNAPSHOT. > > > > > > I will change > > > > > > StrictPooling = true ==> false > > > MinSize = 0 ==> 2 > > > > > > In stateless section and let you know. > > > > > > > > > > > > 2013/3/6 Howard W. Smith, Jr. <[email protected]> > > > > > > > José, > > > > > > > > I'm sure the others will ask, are you seeing this with tomee 1.5.2 or > > > 1.6.0 > > > > snapshot? or only seeing on your production server running tomee > 1.5.1 > > > or > > > > 1.5.2 / 1.6.0 snapshot? > > > > > > > > Wow, Jean-Louis beat me to it...asking for the TOMEE version. :) > > > > > > > > Also, i searched google for the following: > > > > > > > > No instances available in Stateless Session Bean pool > > > > > > > > and found the following (which is definitely related to Jean-Louis > > > > response): > > > > > > > > [1] > > > > > > > > > > > > > > http://apache-geronimo.328035.n3.nabble.com/jira-Created-GERONIMO-5455-quot-No-instances-available-in-Stateless-Session-Bean-pool-quot-error-wher-td978236.html > > > > > > > > [2] > > > > > > > > > > > > > > http://openejb.979440.n4.nabble.com/Query-Regarding-Stateless-Session-Bean-Instance-Pool-Configuration-td980239.html > > > > > > > > [3] http://docs.oracle.com/cd/E15051_01/wls/docs103/ejb/session.html > > > > > > > > > > > > Howard > > > > > > > > > > > > On Wed, Mar 6, 2013 at 10:46 AM, José Luis Cetina < > > [email protected] > > > > >wrote: > > > > > > > > > Hi im gettin *ConcurrentAccessTimeoutException: No instances > > available > > > in > > > > > Stateless Session Bean pool. Waited 30 SECONDS....* > > > > > > > > > > Here is the complete log: http://pastebin.ca/2328770 > > > > > > > > > > Any advice, what could be? Do i have to configure something in > > > > tomee.xml?? > > > > > > > > > > Part of the log: > > > > > > > > > > > > > > > *Mar 05, 2013 9:38:20 PM > org.apache.openejb.cdi.CdiAppContextsService > > > > > lazyStartSessionContext > > > > > WARNING: Could NOT lazily initialize session context because of > null > > > > > RequestContext > > > > > javax.ejb.ConcurrentAccessTimeoutException: No instances available > in > > > > > Stateless Session Bean pool. Waited 30 SECONDS > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.openejb.core.stateless.StatelessInstanceManager.getInstance(StatelessInstanceManager.java:190) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:186) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.openejb.core.ivm.EjbObjectProxyHandler.synchronizedBusinessMethod(EjbObjectProxyHandler.java:256) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:251) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:85) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:279) > > > > > at sun.proxy.$Proxy245.getExamenAplicado(Unknown Source) > > > > > at > > > > > > > > > > > > > > > > > > > > com.grupokx.preparatorianos.controller.examendiagnostico.ExamenDiagnosticoMBean.mypostconstruct(ExamenDiagnosticoMBean.java:63) > > > > > at sun.reflect.GeneratedMethodAccessor800.invoke(Unknown Source) > > > > > at > > > > > > > > > > > > > > > > > > > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > > > > > at java.lang.reflect.Method.invoke(Method.java:601) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.tomee.catalina.JavaeeInstanceManager.postConstruct(JavaeeInstanceManager.java:132) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.tomee.catalina.JavaeeInstanceManager.newInstance(JavaeeInstanceManager.java:69) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.myfaces.config.annotation.Tomcat7AnnotationLifecycleProvider.postConstruct(Tomcat7AnnotationLifecycleProvider.java:94) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.myfaces.config.ManagedBeanBuilder.buildManagedBean(ManagedBeanBuilder.java:213) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.myfaces.el.unified.resolver.ManagedBeanResolver.createManagedBean(ManagedBeanResolver.java:333) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.myfaces.el.unified.resolver.ManagedBeanResolver.getValue(ManagedBeanResolver.java:296) > > > > > at > javax.el.CompositeELResolver.getValue(CompositeELResolver.java:58) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:179) > > > > > at > org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:72) > > > > > at org.apache.el.parser.AstValue.getValue(AstValue.java:161) > > > > > at org.apache.el.parser.AstEqual.getValue(AstEqual.java:38) > > > > > at > > > > > > org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:185) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.webbeans.el.WrappedValueExpression.getValue(WrappedValueExpression.java:68) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.myfaces.view.facelets.el.ContextAwareTagValueExpression.getValue(ContextAwareTagValueExpression.java:96) > > > > > at > > > > > > javax.faces.component._DeltaStateHelper.eval(_DeltaStateHelper.java:266) > > > > > at > > > > > > > > > > > > > > > javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:1187) > > > > > at > > > > > > > > > javax.faces.component.UIComponentBase.encodeAll(UIComponentBase.java:494) > > > > > at > > > > > > > > > javax.faces.component.UIComponentBase.encodeAll(UIComponentBase.java:541) > > > > > at > > > > > > > > > javax.faces.component.UIComponentBase.encodeAll(UIComponentBase.java:541) > > > > > at > > > > > > > > > javax.faces.component.UIComponentBase.encodeAll(UIComponentBase.java:541) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.myfaces.view.facelets.FaceletViewDeclarationLanguage.renderView(FaceletViewDeclarationLanguage.java:1981) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.myfaces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:285) > > > > > at > > > > > > > > > > > > > > > > > > > > javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:59) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:116) > > > > > at > > > > > > > > > org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:241) > > > > > at javax.faces.webapp.FacesServlet.service(FacesServlet.java:199) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) > > > > > at > > org.apache.tomee.catalina.OpenEJBValve.invoke(OpenEJBValve.java:45) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) > > > > > at > > > > > > > > > org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) > > > > > at > > > > > > > > > > > > > > > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) > > > > > at > org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:200) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) > > > > > at > > > > > > > > > > > > > > > > > > > > org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310) > > > > > at > > > > > > > > > > > > > > > > > > > > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > > > > > at > > > > > > > > > > > > > > > > > > > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > > > > > at java.lang.Thread.run(Thread.java:722) > > > > > * > > > > > > > > > > > > > > > > > > > > > -- > > > ------------------------------------------------------------------- > > > *SCJA. José Luis Cetina* > > > ------------------------------------------------------------------- > > > > > > > > > > > -- > > Jean-Louis > > > > > > -- > ------------------------------------------------------------------- > *SCJA. José Luis Cetina* > ------------------------------------------------------------------- >
