OUD11g - Oracle Unified Directory Hangs Due to Linux futex_wait() Bug (Doc ID 2157068.1)

Last updated on JULY 26, 2017

Applies to:

Oracle Unified Directory - Version 11.1.1.5.0 and later
Linux x86-64

Symptoms

Oracle Unified Directory 11.1.2.3.1 sometimes hangs.  

Other configurations include:

Linux x86-64

Java SE JDK and JRE - Version 1.4.2 to 7

Issue can *randomly* be seen during the following types of scenarios:

1. By performing a series of Write-Operations against an Indexed attribute

2. Randomly on a Replication Server or Directory Server in a Replicated Topology.

Also the indicator that the the same issue happens is that jstack/gstack command could release the hang.

Cause

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