Max Fichtelmann created CXF-7148:
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Summary: Race Condition while handling symmetric key in
SymmetricBindingHandler
Key: CXF-7148
URL: https://issues.apache.org/jira/browse/CXF-7148
Project: CXF
Issue Type: Bug
Components: WS-* Components
Affects Versions: 3.1.8, 3.1.7
Reporter: Max Fichtelmann
when using an asymmetricBinding, when requested in parallel, quite a few
requests fail, where the client could not associate a symmetric key with the
response.
As it turned out, the reason for that was that the symmetric key was temporary
stored in a cache using a key that is not unique at all.
{code:title=SymmetricBindingHandler.java|borderStyle=solid}
// line 985 via 162
tokenStore.add(tempTok);
// line 182
tok = tokenStore.getToken(tokenId);
{code}
This leads to a race condition if another thread reaches line 162 before the
key is retrieved in 182 and the same id is used.
In my case, the id was "_5002" consistently.
We implemented a hack using a ThreadLocal based TokenStore, but i think the
symmetric key should actually not be cached at all.
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