[infinispan-issues] [JBoss JIRA] Created: (ISPN-220) Test suite has memory leaks

Wed Oct 7 17:32:06 EDT 2009

Test suite has memory leaks
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                 Key: ISPN-220
                 URL: https://jira.jboss.org/jira/browse/ISPN-220
             Project: Infinispan
          Issue Type: Bug
    Affects Versions: 4.0.0.BETA2
            Reporter: Vladimir Blagojevic
            Assignee: Vladimir Blagojevic
             Fix For: 4.0.0.CR1

TestNG during an execution of a test suite keeps references to all executed test class instances. Our test classes in some cases keep references to instantiated caches thus preventing cache instances from ever being garbage collected. 

Our test classes should never keep references to cache instances other than in a test method scope. If truly there is a need to keep reference to a cache in a class scope these references should be cleared and nulled in a method annotated with @AfterClass. Of course, the same applies to any objects in class scope (cache managers etc etc.)

Since TestNG does not traverse class hierarchy for invocation of @AfterClass annotated methods a special care has to be taken that every @AfterClass method is invoked in test class hierarchy (i.e call super).  

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