On WebLogic 12.2.1 .Appmergegen Tmp Directories Remain Every Time After Deploying EAR (Doc ID 2272987.1)

Last updated on JUNE 16, 2017

Applies to:

Oracle WebLogic Server - Version 12.2.1.0.0 and later
Information in this document applies to any platform.

Symptoms

On WebLogic Server 12.2.1.0, every time you deploy a EAR the ".appmergegen_$DIGIT" directories remain the server tmp location causing the disk space to be occupied. 

$ cd ${DOMAIN_HOME}/servers/AdminServer/tmp
$ ls -al
total 48
drwxr-x--- 11 weblogic weblogic 4096 May 16 13:08 .
drwxr-x--- 7 weblogic weblogic 4096 May 15 13:13 ..
drwxr-x--- 3 weblogic weblogic 4096 May 15 13:16 .appmergegen_1494825374519
drwxr-x--- 3 weblogic weblogic 4096 May 15 13:16 .appmergegen_1494825374519_sample.ear
drwxr-x--- 3 weblogic weblogic 4096 May 15 13:16 .appmergegen_1494825413822
drwxr-x--- 3 weblogic weblogic 4096 May 15 13:16 .appmergegen_1494825413822_sample.ear

These directories occupy many disk spaces.

Cause

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