Slow Login Caused by Thread Dump Holding at Lock at SimpleObjectPool Point to OAM (Doc ID 1477450.1)

Last updated on FEBRUARY 01, 2017

Applies to:

Oracle Access Manager - Version 11.1.1.5.0 and later
Information in this document applies to any platform.

Symptoms

Application or Weblogic performance issue.

Based on the stack traces, many thread dumps caused by the same locks:
Portal_ThreadDumpFilesNode2\SPACES2_1707121130(1154): at oracle/security/am/common/nap/util/pool/SimpleObjectPool.acquireObject(SimpleObjectPool.java:246)
Portal_ThreadDumpFilesNode2\SPACES2_1707121130(1155): ^-- Holding lock: oracle/security/am/common/nap/util/pool/SimpleObjectPool@0x2322aaf48[fat lock]
\Portal_ThreadDumpFilesNode2\SPACES2_1707121135(373): -- Blocked trying to get lock: oracle/security/am/common/nap/util/pool/SimpleObjectPool@0x2322aaf48[fat lock]
\Portal_ThreadDumpFilesNode2\SPACES2_1707121135(380): at oracle/security/am/common/nap/util/pool/SimpleObjectPool.acquireObject(SimpleObjectPool.java:203)
\Portal_ThreadDumpFilesNode2\SPACES2_1707121135(420): -- Blocked trying to get lock: oracle/security/am/common/nap/util/pool/SimpleObjectPool@0x2322aaf48[fat lock]

Cause

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