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From "Aleksander Adamowski (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DIRSERVER-1299) Add causes when rethrowing caught exceptions (e.g. in org.apache.directory.server.integ.state.NonExistentState)
Date Wed, 06 Oct 2010 10:34:32 GMT

    [ https://issues.apache.org/jira/browse/DIRSERVER-1299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12918461#action_12918461
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Aleksander Adamowski commented on DIRSERVER-1299:
-------------------------------------------------

Any documentation for this new framework? The page at http://directory.apache.org/apacheds/1.5/core-integration-testing-framework.html
doesn't mention these.

> Add causes when rethrowing caught exceptions (e.g. in org.apache.directory.server.integ.state.NonExistentState)
> ---------------------------------------------------------------------------------------------------------------
>
>                 Key: DIRSERVER-1299
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1299
>             Project: Directory ApacheDS
>          Issue Type: Improvement
>            Reporter: Aleksander Adamowski
>            Priority: Minor
>             Fix For: 2.0.0-RC1
>
>
> In general, in many places in the code exceptions are rethrown only with the message
from the original exception. In tha case of some exceptions, there is no message and only
the original exception with its stack trace could help track down the problem.
> I've been bitten by this when using org.apache.directory.server.integ.state.NonExistentState:
> javax.naming.NamingException
> 	at org.apache.directory.server.integ.state.NonExistentState.create(NonExistentState.java:86)
> 	at org.apache.directory.server.integ.state.NonExistentState.test(NonExistentState.java:180)
> 	at org.apache.directory.server.integ.state.TestServerContext.test(TestServerContext.java:187)
> 	at org.apache.directory.server.integ.SiRunner.invokeTestMethod(SiRunner.java:103)
> 	at org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:51)
> 	at org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:44)
> 	at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:27)
> 	at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:37)
> 	at org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:42)
> 	at org.apache.directory.server.integ.SiRunner.run(SiRunner.java:77)
> 	at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:62)
> 	at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:140)
> 	at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:127)
> 	at org.apache.maven.surefire.Surefire.run(Surefire.java:177)
> As can be seen in NonExistentState.java:86 the exception that is thrown is not initialized
with its cause exception (I suspect that it was a NullPointerException):
> catch ( Exception e )
>         {
>             throw new NamingException( e.getMessage() );
>         }
> I believe this should be written like this:
> catch ( Exception e )
>         {
>             NamingException rethrownEx = new NamingException( e.getMessage() );
>             rethrownEx.setRootCause(e);
>             throw rethrownEx ;
>         }

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