Silwing created CXF-8925:
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Summary: Logging twice in case of faults happening after
pre-stream phase in out-chain
Key: CXF-8925
URL: https://issues.apache.org/jira/browse/CXF-8925
Project: CXF
Issue Type: Bug
Components: logging
Affects Versions: 4.0.2, 3.6.1, 3.5.6
Environment: CXF server implementation using LoggingOutInterceptor on
both out chain and out fault chain (e.g. through LoggingFeature).
Reporter: Silwing
When using the LoggingOutInterceptor in a server context with the interceptor
added to the Out Chain and the Out Fault Chain events will be created and sent
twice if faults occur after the phase the LoggingOutIntercept is bound to.
The cause of the issue is that handleMessage is called twice; once during the
out chain and once during the out fault chain. This wraps the message content
OutputStream twice in LoggingOutputStreams and adds two callbacks both creating
logging events and sending them to the LogEventSender.
When combined with the StaxOutInterceptor it furthermore causes one of the
events to have an empty payload. This is due to the StaxOutInterceptor wrapping
the LoggingOutputStream created during the out chain, and *not* the
LoggingOutputStream created during the out fault chain. Meaning content is only
written to the inner LoggingOutputStream and not to the outer one.
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