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Starting OC4J Fails With - java.lang.NoClassDefFoundError: oracle/security/jazn/ApplicationServerProxy (Doc ID 556724.1)

Last updated on OCTOBER 02, 2017

Applies to:

Oracle Fusion Middleware - Version: and later   [Release: AS10gR3 and later ]
Oracle Containers for J2EE - Version: and later    [Release: AS10gR3 and later]
Information in this document applies to any platform.
***Checked for relevance on 27-FEB-2012***


Oracle Application Server 10.1.3 on Microsoft Windows platform.
For last several days starting "home" oc4j container fails with following error :

opmnctl startproc process-type=home
opmnctl: starting opmn managed processes...
opmn id=drca09931:6302
0 of 1 processes started.

ias-instance id=dlsdb.drca09931

--> Process (index=1,uid=1949893696,pid=3508)
failed to start a managed process after the maximum retry limit
Log: C:\Oracle-AS\10.1.3\OracleAS_1\opmn\logs\OC4J~home~default_group~1

File C:\Oracle-AS\10.1.3\OracleAS_1\opmn\logs\OC4J~home~default_group~1  contains:
OC4J startup failed
java.lang.NoClassDefFoundError: oracle/security/jazn/ApplicationServerProxy
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(
at java.lang.Class.getMethod0(
at java.lang.Class.getMethod(
at oracle.classloader.util.MainClass.invoke(
at oracle.oc4j.loader.boot.BootStrap.main(


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