I think when the framework tries to start the bundle for the first time, some exception may have occurred. In that case, it will try a second time as well. Catch a Throwable in your activator's start method and print the stack trace to find out what goes wrong in the first time.
Thanks, ~Isuru On Tue, Jun 21, 2011 at 11:48 AM, Amila Jayasekara <[email protected]> wrote: > Hi All, > > I am in the process of doing some changes to apacheds component. While > doing those changes i came across following issue. > > I am having a bundle activator > (org.wso2.carbon.ldap.server.DirectoryActivator) in my component and > due to some reason the bundle activator is getting called twice. By > further investigating i found out that OSGI framework is creating 2 > "BundleActivator" objects (See "Object id" message in output in [1]) > and then calling Activator's "start" method separately. I purposefully > add code to print calling stack [1]. > > Has anyone encountered this issue before ? (OR is this an expected > behaviour ?) > Any idea, how i can resolve this issue ? > > Thanks > AmilaJ > > [1] > > [2011-06-21 11:35:19,337] INFO > {org.wso2.carbon.core.internal.CarbonCoreActivator} - User > : amila, en-US, Asia/Colombo > [2011-06-21 11:35:19,493] INFO > {org.wso2.carbon.ldap.server.configuration.LDAPConfigurationBuilder} - > KDC server is disabled. > Object id - org.wso2.carbon.ldap.server.DirectoryActivator@5d1d20d3 > java.lang.Exception: Stack trace > at java.lang.Thread.dumpStack(Thread.java:1206) > at > org.wso2.carbon.ldap.server.DirectoryActivator.startLdapServer(DirectoryActivator.java:208) > at > org.wso2.carbon.ldap.server.DirectoryActivator.start(DirectoryActivator.java:83) > at > org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:782) > at java.security.AccessController.doPrivileged(Native Method) > at > org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:773) > at > org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:754) > at > org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:352) > at > org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:370) > at > org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1068) > at > org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:557) > at > org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:464) > at > org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:248) > at > org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:445) > at > org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:220) > at > org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:330) > [2011-06-21 11:35:19,603] INFO > {org.wso2.carbon.ldap.server.DirectoryActivator} - Initializing > Directory Server with working directory > > /home/amila/development/wso2/carbon/trunk/core/distribution/target/wso2carbon-core-3.2.0-SNAPSHOT/repository/data/org.wso2.carbon.directory > and port 10389 > [2011-06-21 11:35:22,737] INFO > {org.wso2.carbon.ldap.server.configuration.LDAPConfigurationBuilder} - > KDC server is disabled. > Object id - org.wso2.carbon.ldap.server.DirectoryActivator@4283df14 > java.lang.Exception: Stack trace > at java.lang.Thread.dumpStack(Thread.java:1206) > at > org.wso2.carbon.ldap.server.DirectoryActivator.startLdapServer(DirectoryActivator.java:208) > at > org.wso2.carbon.ldap.server.DirectoryActivator.start(DirectoryActivator.java:83) > at > org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:782) > at java.security.AccessController.doPrivileged(Native Method) > at > org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:773) > at > org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:754) > at > org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:352) > at > org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:370) > at > org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1068) > at > org.eclipse.osgi.framework.internal.core.StartLevelManager.setBundleSL(StartLevelManager.java:691) > at > org.eclipse.osgi.framework.internal.core.StartLevelManager.dispatchEvent(StartLevelManager.java:442) > at > org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:220) > at > org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:330) > [2011-06-21 11:35:22,738] INFO > {org.wso2.carbon.ldap.server.DirectoryActivator} - Initializing > Directory Server with working directory > > /home/amila/development/wso2/carbon/trunk/core/distribution/target/wso2carbon-core-3.2.0-SNAPSHOT/repository/data/org.wso2.carbon.directory > and port 10389 > [2011-06-21 11:35:22,744] ERROR > {org.apache.directory.server.ldap.LdapServer} - ERR_171 Failed to > bind an LDAP service (10,389) to the service registry. > java.net.BindException: Address already in use > at sun.nio.ch.Net.bind(Native Method) > .... > .... > _______________________________________________ > Carbon-dev mailing list > [email protected] > http://mail.wso2.org/cgi-bin/mailman/listinfo/carbon-dev > -- Isuru Suriarachchi Technical Lead & Product Manager, WSO2 Application Server WSO2 Inc. http://wso2.com email : [email protected] blog : http://isurues.wordpress.com/ lean . enterprise . middleware
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