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[smila-user] Problem in Pipelet Extension Bundle

Hi folks,
I'm using SMILA 1.0.

Often happens that when I start SMILA (in eclipse) I found an error in log that tells me there are problems registernig bpel pipeline.

 2012-05-10 12:59:36,859 ERROR [Component Resolve Thread (Bundle 31)         ]  bpel.BpelWorkflowProcessor                    - Deployment of predefined pipelines failed. Installing custom pipelines should still work.
org.eclipse.smila.processing.ProcessingException: Predefined workflow directory 'pipelines' contains invalid definitions, no workflow from this directory will be available.
    at org.eclipse.smila.processing.bpel.internal.DeploymentManager.deployPredefinedWorkflows(DeploymentManager.java:110)
    at org.eclipse.smila.processing.bpel.internal.OdeBpelEngine.deployPredefinedWorkflows(OdeBpelEngine.java:125)
    at org.eclipse.smila.processing.bpel.BpelWorkflowProcessor.deployPredefinedPipelines(BpelWorkflowProcessor.java:361)
    at org.eclipse.smila.processing.bpel.BpelWorkflowProcessor.initializeBpel(BpelWorkflowProcessor.java:338)
    at org.eclipse.smila.processing.bpel.BpelWorkflowProcessor.activate(BpelWorkflowProcessor.java:254)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.eclipse.equinox.internal.ds.model.ServiceComponent.activate(ServiceComponent.java:227)
    at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146)
    at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:346)
    at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
    at org.eclipse.equinox.internal.ds.ServiceReg.getService(ServiceReg.java:53)
    at org.eclipse.osgi.internal.serviceregistry.ServiceUse$1.run(ServiceUse.java:138)
    at java.security.AccessController.doPrivileged(Native Method)
    at org.eclipse.osgi.internal.serviceregistry.ServiceUse.getService(ServiceUse.java:136)
    at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:468)
    at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:467)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:594)
    at org.eclipse.equinox.internal.ds.InstanceProcess.getService(InstanceProcess.java:686)
    at org.eclipse.equinox.internal.ds.model.ComponentReference.getMethod(ComponentReference.java:111)
    at org.eclipse.equinox.internal.ds.model.ComponentReference.bind(ComponentReference.java:322)
    at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bindReference(ServiceComponentProp.java:430)
    at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.bind(ServiceComponentProp.java:218)
    at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:344)
    at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:588)
    at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:196)
    at org.eclipse.equinox.internal.ds.Resolver.buildNewlySatisfied(Resolver.java:441)
    at org.eclipse.equinox.internal.ds.Resolver.enableComponents(Resolver.java:213)
    at org.eclipse.equinox.internal.ds.SCRManager.performWork(SCRManager.java:800)
    at org.eclipse.equinox.internal.ds.SCRManager$QueuedJob.dispatch(SCRManager.java:767)
    at org.eclipse.equinox.internal.ds.WorkThread.run(WorkThread.java:89)
    at org.eclipse.equinox.internal.util.impl.tpt.threadpool.Executor.run(Executor.java:70)
Caused by: java.lang.NullPointerException
    at org.eclipse.smila.processing.bpel.activities.PipeletExtensionBundle.registerActivity(PipeletExtensionBundle.java:76)
    at org.eclipse.smila.processing.bpel.activities.PipeletExtensionBundle.access$1(PipeletExtensionBundle.java:52)
    at org.eclipse.smila.processing.bpel.activities.PipeletExtensionBundle$InvokePipeletActivity.validate(PipeletExtensionBundle.java:119)
    at org.apache.ode.bpel.compiler.v2.ExtensionActivtityGenerator.compile(ExtensionActivtityGenerator.java:54)
    at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl$7.run(BpelCompilerImpl.java:899)
    at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl.compile(BpelCompilerImpl.java:1068)
    at org.apache.ode.bpel.compiler.v2.BpelCompiler20.compile(BpelCompiler20.java:1)
    at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl.compileActivity(BpelCompilerImpl.java:895)
    at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl.compile(BpelCompilerImpl.java:838)
    at org.apache.ode.bpel.compiler.v2.BpelCompiler20.compile(BpelCompiler20.java:1)
    at org.apache.ode.bpel.compiler.v2.SequenceGenerator.compileChildren(SequenceGenerator.java:55)
    at org.apache.ode.bpel.compiler.v2.SequenceGenerator.compile(SequenceGenerator.java:46)
    at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl$7.run(BpelCompilerImpl.java:899)
    at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl.compile(BpelCompilerImpl.java:1068)
    at org.apache.ode.bpel.compiler.v2.BpelCompiler20.compile(BpelCompiler20.java:1)
    at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl.compileActivity(BpelCompilerImpl.java:895)
    at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl.compile(BpelCompilerImpl.java:838)
    at org.apache.ode.bpel.compiler.v2.BpelCompiler20.compile(BpelCompiler20.java:1)
    at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl$5.run(BpelCompilerImpl.java:744)
    at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl$8.run(BpelCompilerImpl.java:1168)
    at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl.compile(BpelCompilerImpl.java:1068)
    at org.apache.ode.bpel.compiler.v2.BpelCompiler20.compile(BpelCompiler20.java:1)
    at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl.compileScope(BpelCompilerImpl.java:1118)
    at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl.compile(BpelCompilerImpl.java:724)
    at org.apache.ode.bpel.compiler.v2.BpelCompiler20.compile(BpelCompiler20.java:1)
    at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl.compile(BpelCompilerImpl.java:132)
    at org.apache.ode.bpel.compiler.BpelC.compile(BpelC.java:268)
    at org.apache.ode.bpel.compiler.BpelC.compile(BpelC.java:338)
    at org.apache.ode.store.DeploymentUnitDir.compile(DeploymentUnitDir.java:171)
    at org.apache.ode.store.DeploymentUnitDir.compile(DeploymentUnitDir.java:134)
    at org.apache.ode.store.ProcessStoreImpl.deploy(ProcessStoreImpl.java:183)
    at org.eclipse.smila.ode.ODEServer.deploy(ODEServer.java:172)
    at org.eclipse.smila.processing.bpel.internal.DeploymentManager.deployPredefinedWorkflows(DeploymentManager.java:108)
    ... 33 more


After some time spent to see what could be wrong, removing all my bpel and so on, I tried to debug that piece of code.

I found something strange in PipeletExtensionBundle.registerActivity.
A not Throwable NullPointerException was thorow.

I tried to spit in 2 lines
    PipeletManager.getServiceInstance().registerActivity(pipeletHolder);
so I had got
    PipeletManager pipeletManager = PipeletManager.getServiceInstance();
    pipeletManager.registerActivity(pipeletHolder);


And I saw that PipeletManager.getServiceInstance(); gave back a null pipeletManager.

If I wait few seconds here, the services are created and then the code runs right.

Now I wrote a workaround waiting that pipeletManager is not null.

It is a bug or there is something could be wrong in my configurations? Thanks
--

Lorenzo Eccher
lorenzo.eccher@xxxxxx

Research & Development Laboratory

Engineering Ingegneria informatica s.p.a

EngiWeb Security srl
Via Solteri, 38 - 38100 Trento
Tel. +39-0461.1822110
Fax. +39-0461.1822199
www.eng.it

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