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https://issues.apache.org/jira/browse/NIFI-7508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17127073#comment-17127073
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ASF subversion and git services commented on NIFI-7508:
-------------------------------------------------------

Commit dfefeb7b18ebcc46807d82acda5b37ed6477c321 in nifi's branch 
refs/heads/master from Joey Frazee
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=dfefeb7 ]

NIFI-7508: Reset classloader after running 
TestStandardControllerServiceInvocationHandler
and fix checkstyle violation on NiFiSystemIT


> TestStandardControllerServiceInvocationHandler causes test failures in 
> nifi-framework-core with Java 11
> -------------------------------------------------------------------------------------------------------
>
>                 Key: NIFI-7508
>                 URL: https://issues.apache.org/jira/browse/NIFI-7508
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Core Framework
>    Affects Versions: 1.12.0
>            Reporter: Joey Frazee
>            Assignee: Joey Frazee
>            Priority: Major
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> NIFI-7447 added a test `TestStandardControllerServiceInvocationHandler` that 
> resets the class loader. This causes `TemplateDeserializerTest` and 
> `TemplateSerializerTest` in nifi-framework-core to fail with 
> "javax.xml.bind.JAXBException: Implementation of JAXB-API has not been found 
> on module path or classpath" and "java.lang.ClassNotFoundException: 
> com.sun.xml.internal.bind.v2.ContextFactory" with Java 11 depending on 
> whether they run before or after 
> `TestStandardControllerServiceInvocationHandler`.
> I've observed it on two machines, one Mac and one Linux, and across different 
> builds and versions of OpenJDK.
> Compare:
> {{mvn test -ff -Dsurefire.runOrder=alphabetical 
> -Dtest="org.apache.nifi.persistence.TemplateDeserializerTest,org.apache.nifi.controller.service.TestStandardControllerServiceInvocationHandler"}}
> To:
> {{mvn test -ff -Dsurefire.runOrder=reversealphabetical 
> -Dtest="org.apache.nifi.persistence.TemplateDeserializerTest,org.apache.nifi.controller.service.TestStandardControllerServiceInvocationHandler"}}
> And:
> {{mvn test -ff 
> -Dtest="!*IT,!org.apache.nifi.controller.service.TestStandardControllerServiceInvocationHandler"}}
> The first fails and the second two succeed.



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