I've recently started seeing errors[1] when running tests due to left over artefacts of previous builds. This happens even for a completely clean build directory, as some of the offending artefacts seem to be created in the source tree.

Jython seems to be trying and failing to load cproton. With a completely clean source and build tree, everything passes, but it is kind of annoying to have to rely on that. Is anyone else seeing anything similar? Any ideas as to the cause (I've only seen it happening quite recently) or possible cures?



[1]:

-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running org.apache.qpid.proton.InteropTest
Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.119 sec
Running org.apache.qpid.proton.JythonTest
2015-06-09 16:49:29.705 INFO About to call Jython test script: 
'/home/gordon/projects/proton-git/tests/python/proton-test' with 
'/home/gordon/projects/proton-git/tests/python' added to Jython path
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 5.207 sec <<< 
FAILURE!
test(org.apache.qpid.proton.JythonTest)  Time elapsed: 5.203 sec  <<< FAILURE!
java.lang.AssertionError: Caught PyException on invocation number 2: Traceback 
(most recent call last):
  File "/home/gordon/projects/proton-git/tests/python/proton-test", line 616, in 
<module>
    m = __import__(name, None, None, ["dummy"])
  File "/home/gordon/projects/proton-git/tests/python/proton_tests/__init__.py", line 
20, in <module>
    import proton_tests.codec
  File "/home/gordon/projects/proton-git/tests/python/proton_tests/codec.py", line 
20, in <module>
    import os, common, sys
  File "/home/gordon/projects/proton-git/tests/python/proton_tests/common.py", line 
26, in <module>
    from proton import Connection, Transport, SASL, Endpoint, Delivery, SSL
  File 
"/home/gordon/projects/proton-git/tests/../proton-c/bindings/python/proton/__init__.py",
 line 33, in <module>
    from cproton import *
  File 
"/home/gordon/projects/proton-git/tests/../proton-c/bindings/python/cproton.py", line 
29, in <module>
    import _cproton
ImportError: No module named _cproton
 with message: null
        at org.junit.Assert.fail(Assert.java:93)
        at org.apache.qpid.proton.JythonTest.runTestOnce(JythonTest.java:120)
        at org.apache.qpid.proton.JythonTest.test(JythonTest.java:95)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at 
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
        at 
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at 
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
        at 
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
        at 
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)


Results :

Failed tests:   test(org.apache.qpid.proton.JythonTest): Caught PyException on 
invocation number 2: Traceback (most recent call last):(..)

Tests run: 9, Failures: 1, Errors: 0, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] proton-project .................................... SUCCESS [1.207s]
[INFO] proton-j .......................................... SUCCESS [2.310s]
[INFO] proton-jms ........................................ SUCCESS [0.623s]
[INFO] proton-hawtdispatch ............................... SUCCESS [1.558s]
[INFO] proton-tests ...................................... FAILURE [5.737s]
[INFO] proton-j-messenger-example ........................ SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 11.637s
[INFO] Finished at: Tue Jun 09 16:49:34 BST 2015
[INFO] Final Memory: 14M/163M
[INFO] ------------------------------------------------------------------------

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