Threads Waiting on ReentrantReadWriteLock.lock Causing Slow Performance (Doc ID 1325066.1)

Last updated on MARCH 05, 2024

Applies to:

Symptoms

After upgrading from 10.2 to 10.3.x, some threads with below stack trace might progress slowly causing performance issues like increase of page load time:

"[ACTIVE] ExecuteThread: '6' for queue: 'weblogic.kernel.Default (self-tuning)'" id=64 idx=0x100 tid=<TID> prio=5 alive, parked, native_blocked, daemon
-- Parking to wait for: java/util/concurrent/locks/ReentrantReadWriteLock$NonfairSync@0x9019aab8
at jrockit/vm/Locks.park0(J)V(Native Method)
at jrockit/vm/Locks.park(Locks.java:2230)
at sun/misc/Unsafe.park(ZJ)V(Native Method)
at java/util/concurrent/locks/LockSupport.park(LockSupport.java:158)
at java/util/concurrent/locks/AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:747)
at java/util/concurrent/locks/AbstractQueuedSynchronizer.doAcquireShared(AbstractQueuedSynchronizer.java:877)
at java/util/concurrent/locks/AbstractQueuedSynchronizer.acquireShared(AbstractQueuedSynchronizer.java:1197)
at java/util/concurrent/locks/ReentrantReadWriteLock$ReadLock.lock(ReentrantReadWriteLock.java:594)
at com/bea/content/federated/internal/delegate/RepositoryManagerDelegate.ensureConnectedToRepository(RepositoryManagerDelegate.java:790)
at com/bea/content/federated/internal/delegate/RepositoryManagerDelegate.connect(RepositoryManagerDelegate.java:1160)
at com/bea/content/federated/internal/delegate/RepositoryHelper.getRepositoryMetadata(RepositoryHelper.java:568)
at com/bea/content/federated/internal/delegate/RepositoryManagerDelegate.getWrappedInterface(RepositoryManagerDelegate.java:685)
at com/bea/content/federated/internal/delegate/RepositoryHelper.getInterface(RepositoryHelper.java:634)
at com/bea/content/federated/internal/delegate/DelegateFactory.getLatestSearchOps(DelegateFactory.java:173)
at com/bea/content/federated/internal/delegate/DelegateFactory.getSearchOpsDelegate(DelegateFactory.java:69)
at com/bea/content/federated/internal/delegate/SearchLogic.nodeSearchRepository(SearchLogic.java:501)
at com/bea/content/federated/internal/delegate/SearchLogic.rangedSearchSingleRepo(SearchLogic.java:209)
at com/bea/content/federated/internal/delegate/SearchLogic.nodeSearch(SearchLogic.java:348)
at com/bea/content/federated/internal/SearchManagerHelper.nodeSearchImpl(SearchManagerHelper.java:45)
at com/bea/content/federated/internal/itemloader/NodeSearchItemLoader.fetchItems(NodeSearchItemLoader.java:88)
at com/bea/content/paging/internal/RangeQueryProcessor.fetchItems(RangeQueryProcessor.java:153)
at com/bea/content/paging/internal/ItemLoadingAdapter.fetchItemsImpl(ItemLoadingAdapter.java:320)
at com/bea/content/paging/internal/ItemLoadingAdapter.fetchItems(ItemLoadingAdapter.java:178)
at com/bea/content/paging/internal/ItemLoadingAdapter.initialize(ItemLoadingAdapter.java:142)
at com/bea/content/paging/internal/PagedListImpl.<init>(PagedListImpl.java:116)
at com/bea/content/federated/internal/SearchManagerImpl.search(SearchManagerImpl.java:83)
at com/bea/p13n/content/advislets/ContentQueryAdvisletImpl.searchForContent(ContentQueryAdvisletImpl.java:315)
at com/bea/p13n/content/advislets/ContentQueryAdvisletImpl.getAdvice(ContentQueryAdvisletImpl.java:185)
at com/bea/p13n/advisor/internal/AdvisorImpl.getAdvice(AdvisorImpl.java:74)
at com/bea/p13n/advisor/internal/CompoundAdvisletImpl.getAdvice(CompoundAdvisletImpl.java:88)
at com/bea/p13n/advisor/internal/AdvisorImpl.getAdvice(AdvisorImpl.java:74)
at com/bea/p13n/advisor/internal/EjbAdvisorImpl.getAdvice(EjbAdvisorImpl.java:62)
at com/bea/p13n/advisor/internal/EjbAdvisor_t707wa_EOImpl.getAdvice(EjbAdvisor_t707wa_EOImpl.java:62)
at com/bea/p13n/servlets/jsp/taglib/ContentSelectorTag.getDocuments(ContentSelectorTag.java:262)
at com/bea/p13n/servlets/jsp/taglib/ContentSelectorTag.doStartTag(ContentSelectorTag.java:502)
at jsp_servlet/_alibris/_jump/_weightedad/__ads._jspService(__ads.java:683)
at weblogic/servlet/jsp/JspBase.service(JspBase.java:34)
at weblogic/servlet/internal/StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic/servlet/internal/StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic/servlet/internal/ServletStubImpl.execute(ServletStubImpl.java:292)
at weblogic/servlet/internal/TailFilter.doFilter(TailFilter.java:26)
at weblogic/servlet/internal/FilterChainImpl.doFilter(FilterChainImpl.java:56)

Cause

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