> We are running JRun 3.02a Advanced version on Solaris 2.7 and Suns JVM
> 1.2.2_08. We are currently running Netscape Enterprise 3.63.
>
> This configuration freezes /deadlocks a little too frequently.
> Using "kill -QUIT <pid>" we can create stack traces when the stops occur.
> It seems that the deadlock is related to jrun log-event. When we look at
> line [18] for t@10150 the method call is :
> java.util.ResourceBundle.getBundle(ResourceBundle.java:417) . t@10193 line
> [1] tries to do a getBundle for the same resource.
>
> Could this be a JRun bug? Does anyone know what we can do here?
>
>
> Regards,
> Roar Johansen
>
>
> SIGQUIT
> A SIGQUIT has been received. Do you want to:
> [ 0 ] continue program
> [ 1 ] check & print one deadlock
> [ 2 ] check & print all deadlocks
> [ 3 ] dump thread stacks
> [ 4 ] dump lock registry
> [ 5 ] heap inspection
> [ 6 ] terminate program
> Type number corresponding to selected action:
> FOUND A JAVA LEVEL DEADLOCK:
> ---------------------------
> t@10193 waiting to lock object@0xeac110b8:"java/lang/Class"
> which is locked by t@10150
> t@10150 waiting to lock object@0xeadd08a4:"java/lang/Object"
> which is locked by t@10193
>
> JAVA STACK INFORMATION FOR THREADS LISTED ABOVE:
> -----------------------------------------------
>
> Java Stack for t@10193 (EE = 0x67c9550) "jcp-1362" :
> ==========
> [1] java.util.ResourceBundle.getBundle(ResourceBundle.java:417)
> [2] java.util.ResourceBundle.getBundle(ResourceBundle.java:353)
> [3]
> java.text.DateFormatSymbols.getLocaleElements(DateFormatSymbols.java:412)
> [4] java.text.DateFormatSymbols.cacheLookup(DateFormatSymbols.java:426)
> [5] java.text.DateFormatSymbols.initializeData(DateFormatSymbols.java:454)
> [6] java.text.DateFormatSymbols.<init>(DateFormatSymbols.java:107)
> [7] java.text.SimpleDateFormat.<init>(SimpleDateFormat.java:283)
> [8] java.text.SimpleDateFormat.<init>(SimpleDateFormat.java:275)
> [9]
> allaire.jrun.util.PropertiesUtil.getVariableValue(PropertiesUtil.java:704)
> [10]
> allaire.jrun.util.PropertiesUtil.expandDynamicVariables(PropertiesUtil.jav
> a:595)
> [11] allaire.jrun.logging.LogEvent.format(LogEvent.java:218)
> [12] allaire.jrun.logging.FileLogWriter.logEvent(FileLogWriter.java:291)
> [13]
> allaire.jrun.logging.ThreadedLogger.processQueue(ThreadedLogger.java:229)
> [14] allaire.jrun.logging.ThreadedLogger.flush(ThreadedLogger.java:177)
> [15] allaire.jrun.logging.ThreadedLogger.logEvent(ThreadedLogger.java:145)
> [16]
> allaire.jrun.logging.LoggingService.sendLogEvent(LoggingService.java:207)
> [17] allaire.jrun.logging.LoggingService.logError(LoggingService.java:273)
> [18] allaire.jrun.logging.LogDelegate.logError(LogDelegate.java:47)
> [19] allaire.jrun.jrpp.ProxyService.swapRunnable(ProxyService.java:45)
> [20] allaire.jrun.ThreadPool.swapRunnable(ThreadPool.java:216)
> [21] allaire.jrun.WorkerThread.run(WorkerThread.java:62)
>
> Java Stack for t@10150 (EE = 0x6a908b0) "jcp-1356" :
> ==========
> [1] allaire.jrun.logging.ThreadedLogger.flush(ThreadedLogger.java:177)
> [2] allaire.jrun.logging.ThreadedLogger.logEvent(ThreadedLogger.java:145)
> [3]
> allaire.jrun.logging.LoggingService.sendLogEvent(LoggingService.java:207)
> [4] allaire.jrun.logging.LoggingService.logError(LoggingService.java:273)
> [5]
> allaire.jrun.resource.JarResource.loadDirectories(JarResource.java:188)
> [6] allaire.jrun.resource.JarResource.<init>(JarResource.java:71)
> [7] allaire.jrun.resource.JarResource.<init>(JarResource.java:49)
> [8] allaire.jrun.resource.JarResource.<init>(JarResource.java:30)
> [9]
> allaire.jrun.servlet.JRunResourceManager.getResource(JRunResourceManager.j
> ava:84)
> [10]
> allaire.jrun.servlet.JRunResourceManager.getResource(JRunResourceManager.j
> ava:84)
> [11]
> allaire.jrun.servlet.JRunResourceManager.getResourceURL(JRunResourceManage
> r.java:191)
> [12] allaire.jrun.servlet.JRunSE.getResource(JRunSE.java:1457)
> [13]
> allaire.jrun.servlet.JRunServletLoader.getClassBytes(JRunServletLoader.jav
> a:619)
> [14]
> allaire.jrun.servlet.JRunServletLoader.loadClass(JRunServletLoader.java:51
> 3)
> [15]
> allaire.jrun.servlet.JRunServletLoader.loadClass(JRunServletLoader.java:40
> 1)
> [16] java.lang.ClassLoader.loadClass(ClassLoader.java:256)
> [17] java.util.ResourceBundle.findBundle(ResourceBundle.java:534)
> [18] java.util.ResourceBundle.getBundle(ResourceBundle.java:417)
> [19] java.util.ResourceBundle.getBundle(ResourceBundle.java:339)
> [20] no.finn.framework.LoginStuff.executeLogon(LoginStuff.java:32)
> [21]
> no.finn.framework.navigation.FinnNavigator.doFINNService(FinnNavigator.jav
> a:81)
> [22] no.finn.framework.navigation.FinnServlet.service(FinnServlet.java:64)
> [23] javax.servlet.http.HttpServlet.service(HttpServlet.java:860)
> [24] allaire.jrun.servlet.JRunSE.service(JRunSE.java:1003)
> [25] allaire.jrun.servlet.JRunSE.runServlet(JRunSE.java:869)
> [26]
> allaire.jrun.servlet.JRunRequestDispatcher.forward(JRunRequestDispatcher.j
> ava:58)
> [27] allaire.jrun.servlet.JRunSE.service(JRunSE.java:1078)
> [28] allaire.jrun.servlet.JvmContext.dispatch(JvmContext.java:322)
> [29] allaire.jrun.jrpp.ProxyEndpoint.run(ProxyEndpoint.java:379)
> [30] allaire.jrun.ThreadPool.run(ThreadPool.java:245)
> [31] allaire.jrun.WorkerThread.run(WorkerThread.java:62)
> -----------------------------------------------
> Found 1 deadlock
>
>
>
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