WebSphere Application Server 6.1 test environment might crash in debug mode when executing SpringFramework code

Technote (troubleshooting)


When running the JVM of IBM WebSphere Application Server 6.1 in debug mode, the JVM crashes intermittently or shows a stack trace if you run SpringFramework code.


When a breakpoint is added, the generic signature of a class is not relocated. See also the linked APAR describing the problem.


WebSphere Application Server 6.1 installed with IBM Rational Application Developer 7.0.0.x which has not been updated manually to IBM Java SDK 1.5.0 SR5 with the WebSphere Update Installer.

Diagnosing the problem

The JVM which runs the JUnit test case in debug mode crashes intermittently or a stack trace is shown. The problem does not appear when running the JVM in normal mode.

Resolving the problem

Update the JDK used in WebSphere Application Server 6.1 test environment to IBM JDK 1.5.0 SR6. Use the link to the Java SDK update below to find the necessary files and instructions.

Related information

Java SDK 1.5 SR6 Cumulative Fix
APAR IZ01173: Crash when debugging with tracepoints

Cross Reference information
Segment Product Component Platform Version Edition
Software Development Rational Software Architect Windows 7.0,,,,,

Product Alias/Synonym


Document information

More support for:

Rational Application Developer for WebSphere Software
Integrated Test Environment

Software version:


Operating system(s):

Linux, Windows

Software edition:

All Editions

Reference #:


Modified date:


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