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FastSwap Application Fails with Error "java.lang.ClassFormatError: Invalid Signature attribute at constant pool index 269 in class file" (Doc ID 2766375.1)

Last updated on OCTOBER 01, 2021

Applies to:

Oracle WebLogic Server - Version 14.1.1.0.0 and later
Information in this document applies to any platform.

Symptoms


When accessing FastSwap application, it returns error "java.lang.ClassFormatError: Invalid Signature attribute at constant pool index 269"

In this case JDeveloper is not used, application was built using maven and configured debugging turned off in the maven compiler plugin.
This is equivalent to not passing in java compiler option -g in jdeveloper.

Below is the error observed in the WebLogic server log:

 

 

Cause

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In this Document
Symptoms
Cause
Solution
References


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