Oracle GoldenGate Monitor Server 12.1.3.x Web Interface is Unresponsive (Doc ID 2071105.1)

Last updated on MARCH 28, 2019

Applies to:

Symptoms

The GoldenGate Monitor Server 12.1.3.x UI becomes unresponsive and jconsole shows a deadlock in the Monitor Server. 

MONITORSERVER_server1.log shows

### <MONITORSERVER_server1> <[ACTIVE] ExecuteThread: '11' for queue: 'weblogic.kernel.Default (self-tuning)'> <> <> [deadlocked thread] [ACTIVE] ExecuteThread: '13' for queue: 'weblogic.kernel.Default (self-tuning)':

Thread '[ACTIVE] ExecuteThread: '13' for queue: 'weblogic.kernel.Default (self-tuning)'' is waiting to acquire lock 'com.goldengate.monitor.web.beans.DiagrammerBean@56e5dfd3' that is held by thread 'DoubleQueuesAsyncGgsEventsDispatcherImpl_Thread-25'

Stack trace:

com.goldengate.monitor.web.beans.DiagrammerBean.populateDiagrammerView(DiagrammerBean.java:358) com.goldengate.monitor.web.beans.DiagrammerBean.setSelectedObject(DiagrammerBean.java:330) com.goldengate.monitor.web.page.PageDispatcher.notifyTreeListeners(PageDispatcher.java:322) com.goldengate.monitor.web.page.PageDispatcher.setCurrentObjectInfo(PageDispatcher.java:314) com.goldengate.monitor.web.beans.TreeViewBean.setSelectedNodeObject(TreeViewBean.java:378) com.goldengate.monitor.web.beans.TreeViewBean.selectTreeNode(TreeViewBean.java:1114)

Changes

Cause

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