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Edc5253s An Amode64 Application Is Attempting To Load An Amode31 Dll Load Module (Doc ID 372160.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Server - Enterprise Edition - Version:
IBM z/OS (OS/390)


Running OUI on Z/OS 1.7 results in the errors:
Abnormal program termination, An internal error has occurred. Please provide
the following files to Oracle Support:

Then after hitting enter on the OMVS session the following messages:
$ java.lang.UnsatisfiedLinkError:

(EDC5253S An AMODE64 application is attempting to load an AMODE31 DLL load
at java.lang.ClassLoader.loadLibrary(
at java.lang.System.load(


Z/OS 1.7 along with a new 64-bit Java was installed.


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