Re: Concurrency issues with ConnectionTracking in Geronimo 1.2?

[Dain Sundstrom <da...@iq80.com>]

That is a problem with the Geronimo Connector ConnectionTracking code  
not SLSB.  Please file a JIRA.

-dain

On Jan 5, 2007, at 11:45 AM, Christopher Blythe wrote:

> All,
>
> I think there may be some issues with SLSBs in Geronimo 1.2 and was  
> wondering if anyone had experienced anything similar or if this is  
> already a known issue.
>
> - Built Geronimo from geronimo/sever/branches/1.2 (01/04/2007)
> - Deployed Daytrader (built from geronimo/daytrader/branches/1.2)
> - Stressed "EJB" and "Session to JDBC" mode with multiple clients  
> using load driver
>
> Both tests resulted in the following exception when more than 1  
> client was driven.
>
> NOTE: I went back and double checked on Geronimo 1.1.1 and this  
> does not occur.
>
> java.util.ConcurrentModificationException
>         at java.util.HashMap$HashIterator.remove(HashMap.java:860)
>         at  
> org.apache.geronimo.connector.outbound.connectiontracking.ConnectionTr 
> ackingCoordinator.exit(ConnectionTrackingCoordinator.java:92)
>         at  
> org.apache.geronimo.connector.outbound.connectiontracking.ConnectionTr 
> ackingCoordinator$$FastClassByCGLIB$$5d33aabf.invoke (<generated>)
>         at net.sf.cglib.reflect.FastMethod.invoke(FastMethod.java:53)
>         at  
> org.apache.geronimo.gbean.runtime.FastMethodInvoker.invoke 
> (FastMethodInvoker.java:38)
>         at org.apache.geronimo.gbean.runtime.GBeanOperation.invoke  
> (GBeanOperation.java:122)
>         at org.apache.geronimo.gbean.runtime.GBeanInstance.invoke 
> (GBeanInstance.java:820)
>         at org.apache.geronimo.gbean.runtime.RawInvoker.invoke 
> (RawInvoker.java:57)
>         at  
> org.apache.geronimo.kernel.basic.RawOperationInvoker.invoke  
> (RawOperationInvoker.java:35)
>         at  
> org.apache.geronimo.kernel.basic.ProxyMethodInterceptor.intercept 
> (ProxyMethodInterceptor.java:96)
>         at  
> org.apache.geronimo.connector.outbound.connectiontracking.ConnectionTr 
> acker$$EnhancerByCGLIB$$8f3374f8.exit (<generated>)
>         at  
> org.apache.openejb.NoConnectionEnlistingInterceptor.invoke 
> (NoConnectionEnlistingInterceptor.java:70)
>         at org.apache.openejb.SystemExceptionInterceptor.invoke 
> (SystemExceptionInterceptor.java :35)
>         at  
> org.apache.openejb.security.DefaultSubjectInterceptor.invoke 
> (DefaultSubjectInterceptor.java:49)
>         at  
> org.apache.openejb.slsb.DefaultStatelessEjbContainer.invoke 
> (DefaultStatelessEjbContainer.java :178)
>         at org.apache.openejb.slsb.DefaultStatelessEjbContainer$ 
> $FastClassByCGLIB$$7ad7a562.invoke(<generated>)
>         at net.sf.cglib.reflect.FastMethod.invoke(FastMethod.java:53)
>         at  
> org.apache.geronimo.gbean.runtime.FastMethodInvoker.invoke  
> (FastMethodInvoker.java:38)
>         at org.apache.geronimo.gbean.runtime.GBeanOperation.invoke 
> (GBeanOperation.java:122)
>         at org.apache.geronimo.gbean.runtime.GBeanInstance.invoke 
> (GBeanInstance.java:820)
>         at org.apache.geronimo.gbean.runtime.RawInvoker.invoke 
> (RawInvoker.java:57)
>         at  
> org.apache.geronimo.kernel.basic.RawOperationInvoker.invoke 
> (RawOperationInvoker.java:35)
>         at  
> org.apache.geronimo.kernel.basic.ProxyMethodInterceptor.intercept  
> (ProxyMethodInterceptor.java:96)
>         at org.apache.openejb.StatelessEjbContainer$$EnhancerByCGLIB 
> $$34d791e3.invoke(<generated>)
>         at org.apache.openejb.AbstractEjbDeployment.invoke 
> (AbstractEjbDeployment.java :195)
>         at org.apache.openejb.proxy.EJBMethodInterceptor.intercept 
> (EJBMethodInterceptor.java:145)
>         at org.apache.openejb.proxy.SessionEJBObject$ 
> $EnhancerByCGLIB$$3eb3ed90.getQuote(<generated>)
>         at  
> org.apache.geronimo.samples.daytrader.TradeAction.getQuote 
> (TradeAction.java:331)
>         at org.apache.jsp.displayQuote_jsp._jspService 
> (org.apache.jsp.displayQuote_jsp:71)
>         at org.apache.jasper.runtime.HttpJspBase.service  
> (HttpJspBase.java:97)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java: 
> 690)
>         at org.apache.jasper.servlet.JspServletWrapper.service 
> (JspServletWrapper.java:332)
>         at org.apache.jasper.servlet.JspServlet.serviceJspFile  
> (JspServlet.java:314)
>         at org.apache.jasper.servlet.JspServlet.service 
> (JspServlet.java:264)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java: 
> 690)
>         at  
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter  
> (ApplicationFilterChain.java:252)
>         at org.apache.catalina.core.ApplicationFilterChain.doFilter 
> (ApplicationFilterChain.java:173)
>         at org.apache.catalina.core.ApplicationDispatcher.invoke 
> (ApplicationDispatcher.java :672)
>         at org.apache.catalina.core.ApplicationDispatcher.doInclude 
> (ApplicationDispatcher.java:574)
>         at org.apache.catalina.core.ApplicationDispatcher.include 
> (ApplicationDispatcher.java:499)
>         at org.apache.jasper.runtime.JspRuntimeLibrary.include 
> (JspRuntimeLibrary.java:966)
>         at org.apache.jsp.quote_jsp._jspService 
> (org.apache.jsp.quote_jsp:212)
>         at org.apache.jasper.runtime.HttpJspBase.service 
> ( HttpJspBase.java:97)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java: 
> 690)
>         at org.apache.jasper.servlet.JspServletWrapper.service 
> (JspServletWrapper.java:332)
>         at org.apache.jasper.servlet.JspServlet.serviceJspFile  
> (JspServlet.java:314)
>         at org.apache.jasper.servlet.JspServlet.service 
> (JspServlet.java:264)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java: 
> 690)
>         at  
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter  
> (ApplicationFilterChain.java:252)
>         at org.apache.catalina.core.ApplicationFilterChain.doFilter 
> (ApplicationFilterChain.java:173)
>         at org.apache.catalina.core.ApplicationDispatcher.invoke 
> (ApplicationDispatcher.java :672)
>         at org.apache.catalina.core.ApplicationDispatcher.doInclude 
> (ApplicationDispatcher.java:574)
>         at org.apache.catalina.core.ApplicationDispatcher.include 
> (ApplicationDispatcher.java:499)
>         at  
> org.apache.geronimo.samples.daytrader.web.TradeServletAction.requestDi 
> spatch(TradeServletAction.java:729)
>         at  
> org.apache.geronimo.samples.daytrader.web.TradeServletAction.doQuotes( 
> TradeServletAction.java:583)
>         at  
> org.apache.geronimo.samples.daytrader.web.TradeAppServlet.performTask( 
> TradeAppServlet.java:155)
>         at  
> org.apache.geronimo.samples.daytrader.web.TradeAppServlet.doGet 
> (TradeAppServlet.java:77)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java: 
> 597)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java: 
> 690)
>         at  
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter 
> (ApplicationFilterChain.java :252)
>         at org.apache.catalina.core.ApplicationFilterChain.doFilter 
> (ApplicationFilterChain.java:173)
>         at  
> org.apache.geronimo.samples.daytrader.web.OrdersAlertFilter.doFilter 
> (OrdersAlertFilter.java:91)
>         at  
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter 
> (ApplicationFilterChain.java:202)
>         at org.apache.catalina.core.ApplicationFilterChain.doFilter 
> (ApplicationFilterChain.java:173)
>         at org.apache.catalina.core.StandardWrapperValve.invoke 
> (StandardWrapperValve.java:213)
>         at org.apache.catalina.core.StandardContextValve.invoke 
> (StandardContextValve.java:178)
>         at  
> org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke  
> (DefaultSubjectValve.java:56)
>         at org.apache.geronimo.tomcat.GeronimoStandardContext 
> $SystemMethodValve.invoke(GeronimoStandardContext.java:326)
>         at  
> org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke  
> (GeronimoBeforeAfterValve.java:47)
>         at org.apache.catalina.core.StandardHostValve.invoke 
> (StandardHostValve.java:126)
>         at org.apache.catalina.valves.ErrorReportValve.invoke 
> (ErrorReportValve.java:105)
>         at org.apache.catalina.core.StandardEngineValve.invoke 
> (StandardEngineValve.java:107)
>         at org.apache.catalina.valves.AccessLogValve.invoke 
> (AccessLogValve.java:541)
>         at org.apache.catalina.connector.CoyoteAdapter.service  
> (CoyoteAdapter.java:148)
>         at org.apache.coyote.http11.Http11Processor.process 
> (Http11Processor.java:869)
>         at org.apache.coyote.http11.Http11BaseProtocol 
> $Http11ConnectionHandler.processConnection(Http11BaseProtocol.java : 
> 667)
>         at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket 
> (PoolTcpEndpoint.java:527)
>         at  
> org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt 
> (LeaderFollowerWorkerThread.java:80)
>         at org.apache.tomcat.util.threads.ThreadPool 
> $ControlRunnable.run(ThreadPool.java:684)
>         at java.lang.Thread.run(Thread.java:595)
>
> Thanks...
>
> Chris
>
>
> -- 
> "I say never be complete, I say stop being perfect, I say let...  
> lets evolve, let the chips fall where they may." - Tyler Durden