Re: [equinox-dev] A problem while using OSGI together with ActiveMQ!

["Stuart McCulloch" <stuart.mcculloch@xxxxxxxxxx>]

On 22/06/07, Wang Zhu <transitwang@xxxxxxxxx> wrote:
> ActiveMQConnection.DEFAULT_PASSWORD and
> ActiveMQConnection.DEFAULT_BROKER_URL are both defined in
> org/apache/activemq/ActiveMQConnection,and I have import
> this using "import org.apache.activemq.ActiveMQConnection
> ;" in my program.
> If I run the codes below it works normally
> public void start(BundleContext context) throws Exception {
>   ServiceReference[] refs = context.getServiceReferences(
>     ProducerService.class.getName (), "(ProducerPool=*)");
>   String url = ActiveMQConnection.DEFAULT_BROKER_URL;
> }
>
> But if change the "String url =
> ActiveMQConnection.DEFAULT_BROKER_URL;" above to "String
> pwd = ActiveMQConnection.DEFAULT_PASSWORD;"
> as below it does't work
> public void start(BundleContext context) throws Exception {
>   ServiceReference[] refs = context.getServiceReferences(
>     ProducerService.class.getName(), "(ProducerPool=*)");
> String pwd = ActiveMQConnection.DEFAULT_PASSWORD ;
> }
>
> And the error is:Bundle 39 is not active but resolved as showed below.
>
>
> osgi> ss
>
> Framework is launched.
>
> id State       Bundle
> 0 ACTIVE      system.bundle_3.2.2.R32x_v20070118
> 1 ACTIVE      org.eclipse.osgi.services_3.1.100.v20060601
> 3 ACTIVE
> org.eclipse.equinox.servlet.api_1.0.0.v20060601
> 33 ACTIVE
> org.eclipse.equinox.http_1.0.2.R32x_v20061218
> 38 ACTIVE      OSGIProducer_1.0.0
> 39 RESOLVED    ProducerApp_1.0.0
> 40 ACTIVE      ProducerImplOne_1.0.0

I'm not sure why it works in one case but not the other...

can you send the OSGi headers for bundles 38, 39 and 40?
(ie. use the 'headers' command from the Equinox console)
also, try using 'diag' to show the missing constraints

finally try 'packages org.apache.activemq' to see which
bundle, if any, is exporting the activemq package.

> When I tried to start bundle 39 error occurs.
> osgi> start 39
> org.osgi.framework.BundleException: Exception in
> producerapp.Activator.start() of bundle ProducerApp.
>  at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java
> :1010)
>  at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:966)
>  at
> org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:317)
>  at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.start
> (AbstractBundle.java:256)
>  at
> org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._start(FrameworkCommandProvider.java:239)
>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
>  at sun.reflect.NativeMethodAccessorImpl.invoke (Unknown
> Source)
>  at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
> Source)
>  at java.lang.reflect.Method.invoke(Unknown Source)
>  at
> org.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute
> (FrameworkCommandInterpreter.java:145)
>  at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(FrameworkConsole.java:293)
>  at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.console(FrameworkConsole.java
> :278)
>  at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(FrameworkConsole.java:213)
>  at java.lang.Thread.run(Unknown Source)
> Caused by: java.lang.NoClassDefFoundError:
> org/apache/activemq/ActiveMQConnection
>  at producerapp.Activator.start(Activator.java:50)
>  at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleContextImpl.java:991)
>  at java.security.AccessController.doPrivileged(Native
> Method)
>   at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:985)
>  ... 13 more
> Nested Exception:
> java.lang.NoClassDefFoundError:
> org/apache/activemq/ActiveMQConnection
>  at producerapp.Activator.start(Activator.java:50)
>  at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleContextImpl.java:991)
>  at java.security.AccessController.doPrivileged(Native
> Method)
>  at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator
> (BundleContextImpl.java:985)
>  at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:966)
>  at
> org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:317)
>   at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:256)
>  at
> org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._start(FrameworkCommandProvider.java:239)
>  at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native
> Method)
>  at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown
> Source)
>  at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
> Source)
>  at java.lang.reflect.Method.invoke(Unknown Source)
>  at
> org.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute
> (FrameworkCommandInterpreter.java:145)
>  at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(FrameworkConsole.java:293)
>  at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.console(FrameworkConsole.java
> :278)
>  at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(FrameworkConsole.java:213)
>  at java.lang.Thread.run(Unknown Source)
> Nested Exception:
> java.lang.NoClassDefFoundError:
> org/apache/activemq/ActiveMQConnection
>  at producerapp.Activator.start(Activator.java:50)
>  at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleContextImpl.java:991)
>  at java.security.AccessController.doPrivileged(Native
> Method)
>   at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:985)
>  at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:966)
>  at
> org.eclipse.osgi.framework.internal.core.BundleHost.startWorker
> (BundleHost.java:317)
>  at
> org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:256)
>  at
> org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._start(FrameworkCommandProvider.java
> :239)
>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
>  at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown
> Source)
>  at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
> Source)
>  at java.lang.reflect.Method.invoke (Unknown Source)
>  at
> org.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute(FrameworkCommandInterpreter.java:145)
>  at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(FrameworkConsole.java
> :293)
>  at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.console(FrameworkConsole.java:278)
>  at
> org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(FrameworkConsole.java:213)
>  at java.lang.Thread.run (Unknown Source)
>
> Regards,
> --
> TransitWang/WangZhu
> Computer School,Northwestern Polytechnical University
> _______________________________________________
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--
Cheers, Stuart