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From "Kurt Westerfeld (JIRA)" <j...@apache.org>
Subject [jira] Commented: (ODE-895) Management MBean access broken (Rquest for an Management WS API for the JBI distribution)
Date Tue, 21 Dec 2010 17:26:03 GMT

    [ https://issues.apache.org/jira/browse/ODE-895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12973778#action_12973778
] 

Kurt Westerfeld commented on ODE-895:
-------------------------------------

There are actually multiple problems at work here.

First, there's a bug in Servicemix that has been fixed and documented here: https://issues.apache.org/activemq/browse/SM-2012,
related to not registering MBeans at all for JBI components (not SUs, just components).  
A later version of SMX 4 should have that fix.

Second, once that is fixed, the MBean name is altered slightly between SMX3 and SMX4 (use
JConsole/VisualVM to find the MBean name actually registered).

Third, there is a classloader issue once you actually talk to the MBean related to the JPA
classes not being able to find the ODE entities.   That last issue was "fixable" by the client
setting a thread context class loader that points to it's own bundle, if that bundle does
a "Require-Bundle" in its OSGi manifest to "odi-jbi-bundle."  That's obviously not ideal but
it does work.

> Management MBean access broken (Rquest for an Management WS API for the JBI distribution)
> -----------------------------------------------------------------------------------------
>
>                 Key: ODE-895
>                 URL: https://issues.apache.org/jira/browse/ODE-895
>             Project: ODE
>          Issue Type: New Feature
>          Components: Management API
>    Affects Versions: 1.3.4
>         Environment: ODE 1.3.4 as OSGi bundle in FUSE-ESB 4.3.0-fuse-02-00
>            Reporter: Antonio MarĂ­n
>
> I noticed recently that the old MBean usage is broken with latest stable version of ODE.
So accessing like in the jbi-karaf-commands is not supported:
> protected static String COMPONENT_NAME = "org.apache.servicemix:Type=Component,Name=OdeBpelEngine,SubType=Management";
> protected static final String LIST_ALL_PROCESSES = "listAllProcesses";
> protected <T> T invoke(final String operationName, final Object[] params, final
String[] signature, Class<?> T, long timeoutInSeconds) throws Exception {
>         ExecutorService executor = Executors.newSingleThreadExecutor();
>         Callable<T> callable = new Callable<T>() {
>             public T call() throws Exception {
>                 MBeanServer server = getMBeanServer();
>                 if (server != null) {
>                     return (T) server.invoke(new ObjectName(COMPONENT_NAME), operationName,
params, signature);
>                 }
>                 return null;
>             }
>         };
>         Future<T> future = executor.submit(callable);
>         executor.shutdown();
>         return future.get(timeoutInSeconds, TimeUnit.SECONDS);
>     }
>     protected List<TProcessInfo> getProcesses(long timeoutInSeconds) throws Exception
{
>         ProcessInfoListDocument result = invoke(LIST_ALL_PROCESSES, null, null, ProcessInfoListDocument.class,
timeoutInSeconds);
>         if (result != null) {
>             return result.getProcessInfoList().getProcessInfoList();
>         }
>         return null;
>     }
> is throwing:
> java.util.concurrent.ExecutionException: javax.management.InstanceNotFoundException:
org.apache.servicemix:Type=Component,Name=OdeBpelEngine,SubType=Management
>         at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:232)
>         at java.util.concurrent.FutureTask.get(FutureTask.java:91)
>         at net.geant.gembus.services.ode_manager.internal.OdeMBeanManager.invoke(OdeMBeanManager.java:91)
>         at net.geant.gembus.services.ode_manager.internal.OdeMBeanManager.getProcesses(OdeMBeanManager.java:95)
>         at net.geant.gembus.services.ode_manager.internal.OdeMBeanManager.listAllProcesses(OdeMBeanManager.java:104)
>         at net.geant.gembus.services.ode_manager.OdeManagerImpl.ListAllProcesses(OdeManagerImpl.java:34)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> ...
> It would be desireable to have an input to the Management API on the JBI distribution
as a WS. I tryed to use the pmapi-sa.zip circulating around but It's not working in my configuration.

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