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Fast Swap Fails In Integrated WebLogic Server In JDeveloper 12.2.1.4.0 With "ClassFormatError: Invalid Signature attribute at constant pool index" error (Doc ID 2644765.1)

Last updated on MARCH 03, 2020

Applies to:

Oracle JDeveloper - Version 12.2.1.4.0 and later
Information in this document applies to any platform.

Symptoms

On : 12.2.1.4.0 version,

When Fast-Swap feature is enabled for integrated WLS in JDeveloper 12.2.1.4.0, it fails during compilation with the following error:

java.lang.ClassFormatError: Invalid Signature attribute at constant pool index

 

 

Sample stack trace:

<ADFc: No exception handler was found for an application exception.>
javax.faces.FacesException: javax.servlet.ServletException: javax.faces.FacesException: javax.faces.FacesException: oracle.adf.controller.ControllerException: ADFC-10001: Cannot instantiate class '<package>.<ClassName>'.
...
at weblogic.servlet.utils.FastSwapFilter.doFilter(FastSwapFilter.java:64)
...
Caused by: javax.servlet.ServletException: javax.faces.FacesException: javax.faces.FacesException: oracle.adf.controller.ControllerException: ADFC-10001: Cannot instantiate class '<package>.<ClassName>'.
...
Caused by: javax.faces.FacesException: javax.faces.FacesException: oracle.adf.controller.ControllerException: ADFC-10001: Cannot instantiate class '<package>.<ClassName>'.
...
Caused by: javax.faces.FacesException: oracle.adf.controller.ControllerException: ADFC-10001: Cannot instantiate class '<package>.<ClassName>'.
...
Caused by: oracle.adf.controller.ControllerException: ADFC-10001: Cannot instantiate class '<package>.<ClassName>'.
...
Caused by: java.lang.NoClassDefFoundError:<package>/<ClassName>$beaVersion
...
Caused by: java.lang.ClassNotFoundException: Class bytes found but defineClass()failed for: '<package>.<ClassName>$beaVersion'
...
Caused by: java.lang.ClassFormatError: Invalid Signature attribute at constant pool index <NUMBER> in class file<package>/<ClassName>$beaVersion



Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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