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ConcurrentAccessException when annotation on singleton ejb with @AccessTimeout is used (Doc ID 1492614.1)

Last updated on APRIL 26, 2018

Applies to:

Oracle Weblogic Server - Version and later
Information in this document applies to any platform.


When using annotate on Singleton EJB with @AccessTimeout(unit=  TimeUnit.MILLISECONDS,value=500), ConcurrentAccessExceptions is thrown, as below: block
  INFO: catched exception: EJB Exception:
  javax.ejb.EJBTransactionRolledbackException: EJB Exception:
  at weblogic.ejb.container.internal.BaseLocalObject.handleSystemException(
  at weblogic.ejb.container.internal.BaseLocalObject.getBeanInstance(
  Caused by: javax.ejb.ConcurrentAccessTimeoutException: [EJB:011146]Timed out while trying to aquire lock on Singleton Blocker(Application:
  _appsdir_jee6.ejb31-accesstimeout_war, EJBComponent:  jee6.ejb31-accesstimeout.war) to invoke method block.
  at weblogic.ejb.container.manager.SingletonSessionManager$CMCLockManager.acquire(
  at weblogic.ejb.container.manager.SingletonSessionManager.getBeanFor(
  at weblogic.ejb.container.manager.SingletonSessionManager.preInvoke(
  at weblogic.ejb.container.internal.BaseLocalObject.getBeanInstance(
  ... 82 more



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