Workflow Mailer or Workflow Listener Will Not Start - Log Has: java.lang.NullPointerException OR java.lang.NoClassDefFoundError

(Doc ID 1233411.1)

Last updated on JULY 11, 2016

Applies to:

Oracle Workflow - Version to 12.1.3 [Release 11.5.10 to 12.1]
Information in this document applies to any platform.
Workflow Mailer Listener java notification mailer AIX


The Workflow Service components (mailer and/or listeners) have a java error when starting. What is the source of this issue?

The java error shown in the FND log file can be most any error that is listed AND the service component(s) will not start.

For example:





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