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https://jira.codehaus.org/browse/SUREFIRE-1121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=358457#comment-358457
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Gary Gregory commented on SUREFIRE-1121:
----------------------------------------
I am not seeing an NPE like I did before, one the unit tests is failing
"normally" in the sense that a JUnit assertion fails when it should not. The
only thing I can attribute this to is that the order in which each test class
and method matters. I say this because we've seen this problem before with
other tests, and have fixed those.
In theory, the test order should not matter and we certainly do not want the
order to matter. In practice however, the order matters as is demonstrated by
the current assertion failure. It seems we are lucky that our Maven build is
usually OK with 2.17. The problem is much worse when we run all the tests for
the Core module from Eclipse, there we get a lot of failures. Some tests might
need a new JVM to run cleanly, it's not clear to me yet.
All of this to say that I cannot help much further on this bug fix until I can
eliminate the order problem for at least the one test that is failing. I am not
sure when I can take the time to do that.
Thank you for your prompt attention to this issue though.
> java.lang.NullPointerException
> org.apache.maven.plugin.surefire.report.DefaultReporterFactory.mergeFromOtherFactories(DefaultReporterFactory.java:82)
> -----------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SUREFIRE-1121
> URL: https://jira.codehaus.org/browse/SUREFIRE-1121
> Project: Maven Surefire
> Issue Type: Bug
> Affects Versions: 2.18
> Environment: Apache Maven 3.2.3
> (33f8c3e1027c3ddde99d3cdebad2656a31e8fdf4; 2014-08-11T16:58:10-04:00)
> Maven home: C:\Java\apache-maven-3.2.3
> Java version: 1.7.0_71, vendor: Oracle Corporation
> Java home: C:\Program Files\Java\jdk1.7.0_71\jre
> Default locale: en_US, platform encoding: Cp1252
> OS name: "windows 7", version: "6.1", arch: "amd64", family: "windows"
> Reporter: Gary Gregory
> Assignee: Tibor Digana
> Priority: Blocker
> Fix For: 2.19
>
> Attachments: effective.pom
>
>
> git clone http://git-wip-us.apache.org/repos/asf/logging-log4j2.git
> Check out Log4j 2 commit {{d033a71eb0047ca35ec1582f0eab73abe3e04919}}. This
> is currently the latest.
> Run: {{mvn -e clean test}}
> I get:
> {noformat}
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Reactor Summary:
> [INFO]
> [INFO] Apache Log4j 2 ..................................... SUCCESS [ 0.566
> s]
> [INFO] Apache Log4j API ................................... SUCCESS [ 26.239
> s]
> [INFO] Apache Log4j Core .................................. SUCCESS [05:09
> min]
> [INFO] Apache Log4j 1.x Compatibility API ................. SUCCESS [ 9.233
> s]
> [INFO] Apache Log4j SLF4J Binding ......................... SUCCESS [ 8.507
> s]
> [INFO] Apache Log4j to SLF4J Adapter ...................... FAILURE [ 5.781
> s]
> [INFO] Apache Log4j Commons Logging Bridge ................ SKIPPED
> [INFO] Apache Log4j Flume Bridge .......................... SKIPPED
> [INFO] Apache Log4j Web ................................... SKIPPED
> [INFO] Apache Log4j Tag Library ........................... SKIPPED
> [INFO] Apache Log4j JMX GUI ............................... SKIPPED
> [INFO] Apache Log4j Samples ............................... SKIPPED
> [INFO] Apache Log4j Samples: Flume - Common ............... SKIPPED
> [INFO] Apache Log4j Samples: Flume - Remote ............... SKIPPED
> [INFO] Apache Log4j Samples: Flume - Embedded ............. SKIPPED
> [INFO] Apache Log4j BOM ................................... SKIPPED
> [INFO] Apache Log4j NoSQL ................................. SKIPPED
> [INFO] Apache Log4J Performance Tests ..................... SKIPPED
> [INFO] Apache Log4j Streaming Interface ................... SKIPPED
> [INFO] Apache Log4j JUL Adapter ........................... SKIPPED
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 06:02 min
> [INFO] Finished at: 2014-12-01T10:51:31-05:00
> [INFO] Final Memory: 34M/266M
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-surefire-plugin:2.18:test (default-test) on
> project log4j-to-slf4j: Execution default-test of goal
> org.apache.maven.plugins:maven-surefire-plugin:2.18:test failed.
> NullPointerExc
> eption -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
> goal org.apache.maven.plugins:maven-surefire-plugin:2.18:test (default-test)
> on project log4j-to-slf4j: Execution default-test of goal
> org.apache.maven.plugins:maven-
> surefire-plugin:2.18:test failed.
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:224)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
> at
> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
> at
> org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120)
> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:347)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:154)
> at org.apache.maven.cli.MavenCli.execute(MavenCli.java:582)
> at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:214)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:158)
> 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.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
> at
> org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
> at
> org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
> at
> org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
> Caused by: org.apache.maven.plugin.PluginExecutionException: Execution
> default-test of goal org.apache.maven.plugins:maven-surefire-plugin:2.18:test
> failed.
> at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:143)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
> ... 19 more
> Caused by: java.lang.NullPointerException
> at
> org.apache.maven.plugin.surefire.report.DefaultReporterFactory.mergeFromOtherFactories(DefaultReporterFactory.java:82)
> at
> org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:182)
> at
> org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeProvider(AbstractSurefireMojo.java:1019)
> at
> org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeAfterPreconditionsChecked(AbstractSurefireMojo.java:853)
> at
> org.apache.maven.plugin.surefire.AbstractSurefireMojo.execute(AbstractSurefireMojo.java:751)
> at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
> ... 20 more
> [ERROR]
> [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> [ERROR]
> [ERROR] For more information about the errors and possible solutions, please
> read the following articles:
> [ERROR] [Help 1]
> http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException
> [ERROR]
> [ERROR] After correcting the problems, you can resume the build with the
> command
> [ERROR] mvn <goals> -rf :log4j-to-slf4j
> Mon 12/01/2014-10:51:32.19 C:\vcs\git\apache\logging\logging-log4j2> m32
> -version
> {noformat}
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