Support Article
Activity GenerateRules failed: java.lang.NullPointerException
SA-15730
Summary
User is using the EJB Connector and Metadata Wizard with EJB remote methods that has object parameters, system throws an error related to wrapper compilations.
Error Messages
The Flow Action post-processing activity GenerateRules failed: java.lang.NullPointerException
pyMetadata: Couldn't compile wrapper classes for object parameters. Make sure all classes are listed in the compiler classpath.
Steps to Reproduce
1. Run Connector and Metadata wizard
2. Choose EJB interface
3. Select named JNDI Server
4. Select available binding
3. Select method
4. Choose method signature
5. Click Next and compiler error is reported.
Root Cause
The root cause of this issue is the conflict between PRPC generated Wrapper for Primitive types like String, Integer and the JDK specific primitives.
Resolution
Install HFix-24032.
Published January 31, 2016 - Updated October 8, 2020
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