[jira] [Created] (CXF-8210) Incompatibility with recent Brave versions causes NullPointerException and hides root cause

["Tim Peeters (Jira)" <ji...@apache.org>]

Tim Peeters created CXF-8210:
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             Summary: Incompatibility with recent Brave versions causes NullPointerException and hides root cause
                 Key: CXF-8210
                 URL: https://issues.apache.org/jira/browse/CXF-8210
             Project: CXF
          Issue Type: Bug
          Components: Tracing Brave
    Affects Versions: 3.3.5
            Reporter: Tim Peeters


I believe there is an incompatibility between {{cxf-integration-tracing-brave}} and recent versions of {{brave-instrumentation-http}}.
 CXF master currently depends on Brave version 5.6.9 while the newest version is 5.9.4.

As of version 5.7, {{brave-instrumentation-http}} throws a {{NullPointerException}} when invoking{{ brave.http.HttpClientHandler.create(HttpTracing, HttpClientAdapter)}} with a {{null}} value for the {{HttpClientAdapter}} parameter.
 Which is exactly what {{cxf-integration-tracing-brave}} does in case of an exception/SOAP fault.

This results in the following stack trace and hides the original SOAP fault from the user:
{code:java}
java.lang.NullPointerException: adapter == null
 at brave.http.HttpClientHandler.create(HttpClientHandler.java:64)
 at org.apache.cxf.tracing.brave.AbstractBraveClientProvider.stopTraceSpan(AbstractBraveClientProvider.java:126)
 at org.apache.cxf.tracing.brave.BraveClientStartInterceptor.handleFault(BraveClientStartInterceptor.java:55)
 at org.apache.cxf.phase.PhaseInterceptorChain.unwind(PhaseInterceptorChain.java:499){code}
Users of Spring Cloud Greenwich SR3 or higher are impacted.
 Dependency graph from left to right with indication of the impacted versions:
|Spring Boot|Spring Cloud|Sleuth|Brave|Status|
|2.1|Greenwich.RELEASE|2.1.0.RELEASE|5.6.1|Works|
|2.1|Greenwich.SR1|2.1.1.RELEASE|5.6.1|Works|
|2.1|Greenwich.SR2|2.1.2.RELEASE|5.6.5|Works|
|2.1|Greenwich.SR3|2.1.3.RELEASE|5.7.0|**Broken**|
|2.1|Greenwich.SR4|2.1.6.RELEASE|5.8.0|**Broken**|
|2.1|Greenwich.SR5|2.1.7.RELEASE|5.9.2|**Broken**|
|2.2|Hoxton.RELEASE|2.2.0.RELEASE|5.9.0|**Broken**|
|2.2|Hoxton.SR1|2.2.1.RELEASE|5.9.0 |**Broken**|



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