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<a href="http://community.jboss.org/index.jspa" style="text-decoration: none; color: #E1E1E1">Community</a></h1>
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On demand resolution
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reply from <a href="http://community.jboss.org/people/adrian%40jboss.org">Adrian Brock</a> in <i>JBoss Microcontainer Development</i> - <a href="http://community.jboss.org/message/534854#534854">View the full discussion</a>
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<div class="jive-rendered-content"><blockquote class="jive-quote"><p>Thomas Diesler wrote:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>This <a class="jive-link-external-small" href="http://fisheye.jboss.org/changelog/JBossOSGi/projects/runtime/framework/trunk?cs=103244">change</a> causes <a class="jive-link-external-small" href="http://jbmuc.dyndns.org:8280/hudson/job/jbossosgi-git-staging/22/testReport/">regression</a> in bundle lifecycle handling. I added test coverage for this in the framework's <a class="jive-link-external-small" href="http://fisheye.jboss.org/browse/JBossOSGi/projects/runtime/framework/trunk/bundle/src/test/java/org/jboss/test/osgi/bundle/BundleLifecycleTestCase.java?r=103300">BundleLifecycleTestCase</a></p><p><snip/></p><p> I still need to look into the details of why this would happen.</p></blockquote><p>It's happening because B's deployment unit has required-stage of "CLASSLOADER" (RESOLVED in OSGi) after the start() failed.</p><p>i.e. it wants to resolve it.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>So when you install bundleX, it also says, hey B is not in the correct state and I can resolve it now,</p><p>but only by moving X to ClassLoader as well.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>That is what lazy resolve is all about. It automatically resolves other classloaders that it needs if they are not resolved.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>If B went back to required-stage "DESCRIBE" (INSTALLED in OSGi) after the start() failed then your test would work as expected.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I worked this out by adding the following to the test after the b.start() failure:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>         OSGiBundleState bs = (OSGiBundleState) getBundleManager().getBundleState(bundleB);<br/>         System.out.println(bundleB.getSymbolicName() + " state=" + ConstantsHelper.bundleState(bundleB.getState()) + " required=" + bs.getDeploymentUnit().getRequiredStage());</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Which produces:</p><p>lifecycle-bundleB state=INSTALLED required=ClassLoader</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>So you can see the bundle state is inconsistent with the deployment unit state.</p></div>
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