Leo Büttiker created ORCHESTRA-68:
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Summary: RequestParameterProviderManager.encodeAndAttachParameters
might throw NullPointerException
Key: ORCHESTRA-68
URL: https://issues.apache.org/jira/browse/ORCHESTRA-68
Project: MyFaces Orchestra
Issue Type: Bug
Components: RequestParameterProvider
Affects Versions: 1.5
Reporter: Leo Büttiker
Under certain circumstances which I unfortunately can not reproduce all the
time (during a heavy load selenium test with ajax) the method
RequestParameterProviderManager.encodeAndAttachParameters throws an expection
because a provider in the list providers is null.
The assumption is that due to multi-threading the array list might get corrupt
under certain conditions. When I replace the list with a synchronized list the
error does not occur. Fixing the bug can therefor achieved by replacing
getProviders with:
{code}
protected List getProviders() {
if (providers == null) {
providers = Collections.synchronizedList(new ArrayList());
}
return providers;
}
{code}
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