Christian Köberl created TAP5-2152:
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Summary: NPE in Form on Websphere 8 after applying load
Key: TAP5-2152
URL: https://issues.apache.org/jira/browse/TAP5-2152
Project: Tapestry 5
Issue Type: Bug
Components: tapestry-core
Affects Versions: 5.2.6
Reporter: Christian Köberl
A NullPointerException occurs Form.java:406 (Tapestry 5.2.6) when applying load
- in any application deployed to Websphere 8.
Here's the corresponding line from Form.java:406:
resources.triggerEvent(EventConstants.PREPARE_FOR_RENDER, context, null);
The NPE first is raised after some parallel users are working with the
application - before that everything works fine. After the first occurrence,
the NPE is raised on *any* Form render on *any* page for *all* users. We have
to restart the application to get it working again. We can reproduce the error
with some load but the first NPE happens on different pages - so that's no clue.
The behavior can be reproduced with a quite simple application with some pages
with forms: https://github.com/porscheinformatik/tapestry-was8
The behavior *cannot* be reproduced with JIT turned off.
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