[midPoint] Tomcat freezes up

[Viliam Repan]

Hi,

this problem should not occur in newer versions of midpoint (after 22.2. 
2014 commit 9d85c21). This is caused by wicket-atmosphere which was used 
as experimental module for ajax-push operations (task notifications) but 
after commit on 22th February it was disabled for now because other errors.

So midpoint update should fix this issue, please do not forget to run 
upgrade db script (2.2->2.3), there were some changes a couple days ago.

Best regards,


Vilo

On 03/04/2014 03:32 PM, Lucie Rút Bittnerová wrote:
> Hi,
>
> I'm using Midpoint 2.3 development version from the 14th February on 
> Tomcat 6.0.36. Several times Tomcat has frozen up and according to the 
> jstack printout there is maxThreads=200 threads in the parking state 
> looking like the printout below. There is no big traffic, it happend 
> when I was testing the application alone. It seems to me like some 
> Midpoint bug.
>
> Lucie
>
> http-8080-200" daemon prio=10 tid=0x0a465400 nid=0x4fa9 waiting on 
> condition [0x50363000]
>    java.lang.Thread.State: WAITING (parking)
>     at sun.misc.Unsafe.park(Native Method)
>     - parking to wait for  <0x65bd0068> (a 
> java.util.concurrent.CountDownLatch$Sync)
>     at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
>     at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
>     at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:994)
>     at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1303)
>     at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:236)
>     at 
> org.atmosphere.container.BlockingIOCometSupport.suspend(BlockingIOCometSupport.java:182)
>     at 
> org.atmosphere.container.BlockingIOCometSupport.service(BlockingIOCometSupport.java:101)
>     at 
> org.atmosphere.cpr.AtmosphereFramework.doCometSupport(AtmosphereFramework.java:1684)
>     at 
> org.atmosphere.cpr.AtmosphereServlet.doPost(AtmosphereServlet.java:201)
>     at 
> org.atmosphere.cpr.AtmosphereServlet.doGet(AtmosphereServlet.java:187)
>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>     at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>     at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>     at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:311)
>     at 
> org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:116)
>     at 
> org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
>     at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
>     at 
> org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
>     at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
>     at 
> org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:101)
>     at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
>     at 
> org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
>     at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
>     at 
> org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)
>     at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
>     at 
> org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
>     at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
>     at 
> org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
>     at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
>     at 
> org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:182)
>     at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
>     at 
> org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)
>     at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
>     at 
> org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
>     at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
>     at 
> org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:125)
>     at 
> org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
>     at 
> org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:173)
>     at 
> org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
>     at 
> org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
>     at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>     at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>     at 
> com.evolveum.midpoint.web.util.MidPointProfilingServletFilter.doFilter(MidPointProfilingServletFilter.java:86)
>     at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>     at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>     at 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>     at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>     at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>     at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
>     at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>     at 
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
>     at 
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
>     at 
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
>     at 
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
>     at java.lang.Thread.run(Thread.java:744)
>
>
>
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-- 
Ing. Viliam Repán(
Evolveum, s.r.o.

tel: +421 910 797978
mail: vilo.repan at evolveum.com

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