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OPatch Error: "Malformed input or input contains unmappable characters" When applying a Patch (Doc ID 2757693.1)

Last updated on MARCH 07, 2021

Applies to:

Oracle Database - Standard Edition - Version and later
Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


After applying the patch to DB HOME with opatch or opatchauto,
the following error occurs during the directory cleanup process in opatch log.

opatch log:

[Timestamp] [INFO] Stack Description: java.lang.RuntimeException: java.nio.file.InvalidPathException: Malformed input or input contains unmappable characters: $ORACLE_HOME/.patch_storage/NApply/2021-02-10_15-13-43??????  <<<<<<<-----
at oracle.opatch.opatchutil.OUSession.cleanup(
[Timestamp] [INFO] Composite patch 31537677 successfully applied.  <<<<<<<-----
[Timestamp] [SEVERE] OUI-67073:UtilSession failed: null



If you apply PSU with LANG=C in the environment
where PSU was applied with LANG = ja_JP.UTF-8 in the past,
this issue may occurs. 


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