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Posted to issues@maven.apache.org by "James Hood (JIRA)" <ji...@codehaus.org> on 2010/03/01 16:23:56 UTC
[jira] Updated: (SUREFIRE-500) puzzling NoClassDefFoundError
instead of meaningfull stacktrace
[ http://jira.codehaus.org/browse/SUREFIRE-500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
James Hood updated SUREFIRE-500:
--------------------------------
Attachment: surefireTest.zip
I was having a similar problem and I think I have nailed down the interaction (I don't have any insight into what's causing the problem, however).
Attached is a simple maven project that contains two tests and one suite. The two tests are ExplodingTest, which throws a java.lang.NoClassDefFoundError inside a static block, and PassingTest which has a nummber of tests that, well, pass.
The suite combines the two tests together.
Running "mvn clean test -Dtest=Suite" demonstrates the unexpected behavior from surefire: No xml reports are generated describing the outcomes of the tests in {{target/surefire-reports}}
To fix update the JUnit dependency in the pom.xml from 4.4 to 4.8.1. Doing that and rerunning the command results in an accurate xml test result report being generated.
I hope this helps clarify the problem. It was certainly a pain to track this down. Since Spring < 3.0 requires JUnit <= 4.4 my guess is that most who have experienced the issue are using Spring. So while it may *seem* like a Spring issue I'm guessing it is really a JUnit 4.4 issue.
Cheers,
jim
> puzzling NoClassDefFoundError instead of meaningfull stacktrace
> ---------------------------------------------------------------
>
> Key: SUREFIRE-500
> URL: http://jira.codehaus.org/browse/SUREFIRE-500
> Project: Maven Surefire
> Issue Type: Bug
> Components: classloading
> Affects Versions: 2.4.2
> Environment: maven 2.0.9 , linux/ubuntu, jdk-sun-1.5.0_13
> Reporter: Johan Romme
> Attachments: surefireTest.zip
>
>
> We are using maven-2.0.9 for some project using spring/hibernate.
> When I made an incorrect change to the spring configuration (or actually I removed a hbm.xml file that was still referenced in the spring config), maven/surefire failed with an NoClassDefFoundError on one of our abstract test classes (where the spring config was loaded). Running in debug mode (-X) or increasing log4j levels did not reveal more info as to the cause of the problem.
> After some time I switched back to maven-2.0.7, maven/surefire also failed but with a meaningfull stacktrace that pointed immediately to the cause of the problem.
> So I fixed the problem, switched again to maven-2.0.9, with a succesfull build as result.
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