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From "Christian Fonden (JIRA)" <j...@apache.org>
Subject [jira] Commented: (ODE-625) Deployment Poller Crashes when trying to deploy BPEL File with errors
Date Tue, 28 Jul 2009 20:12:14 GMT

    [ https://issues.apache.org/jira/browse/ODE-625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12736259#action_12736259
] 

Christian Fonden commented on ODE-625:
--------------------------------------

If I my help you a bit: 

The Bug is in the File ProcessStoreImpl.java in Line 904 or so: 
There is a foreach Loop iterating over the result of listProcesses(package). 

The Bug: 
listProcesses of that package (naturally) returns null in case of compile errors, 
thus resulting in a null reference while trying to iterate over the list that is null. 

with that hint, someone should easily be able to fix it. (I already did so in my source code,
but have no developer account  to the svn)

> Deployment Poller Crashes when trying to deploy BPEL File with errors
> ---------------------------------------------------------------------
>
>                 Key: ODE-625
>                 URL: https://issues.apache.org/jira/browse/ODE-625
>             Project: ODE
>          Issue Type: Bug
>          Components: Deployment
>    Affects Versions: 2.0
>         Environment: Tomcat/5.5 debian Linux Ode Trunk Rev. 782012
>            Reporter: Christian Fonden
>
> Whenever a BPEL File that contains semantic errors is deployed, the deployment services
crashes with a FATAL Exception, thus no more Processes can be deployed until the Ode Webapp
is restarted. 
> This can be reproduced by performing the following steps: 
> 1. Deploy empty ode webapp in tomcat using the trunk revision (as listed in environment)
> 2. create a BPEL process that contains an error like a typo in an xpath variable name
ore something else non-syntactical. 
> 3. The BPEL Compiler recognizes that error, which is the correct behaviour. 
> 4. The thrown exception is propagated into the deployment service
> 5. The Exception is not cought in the deployment service and the deployment poller crashes
> This can be seen easily in the following ODE Log file: 
> 18180 [Thread-8] ERROR org.apache.ode.bpel.compiler.BpelC  - null:237: error: [UndeclaredVariable]
Attempt to reference undeclared variable "querytarget".
> ***************************************************************************************
> *** The error in the BPEL file here is a type in the variable name "querytarget". ***
> ***************************************************************************************
> 18194 [Thread-8] ERROR org.apache.ode.store.ProcessStoreImpl  - Deploy failed; error:
[CompilationErrors] Compilation completed with 1 error(s):
>         null:237: error: [UndeclaredVariable] Attempt to reference undeclared variable
"querytarget".
> org.apache.ode.bpel.compiler.api.CompilationException: error: [CompilationErrors] Compilation
completed with 1 error(s):
>         null:237: error: [UndeclaredVariable] Attempt to reference undeclared variable
"querytarget".
>         at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl.compile(BpelCompilerImpl.java:764)
>         at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl.compile(BpelCompilerImpl.java:133)
>         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:172)
>         at org.apache.ode.store.DeploymentUnitDir.compile(DeploymentUnitDir.java:135)
>         at org.apache.ode.store.ProcessStoreImpl.deploy(ProcessStoreImpl.java:185)
>         at org.apache.ode.axis2.deploy.DeploymentPoller.check(DeploymentPoller.java:162)
>         at org.apache.ode.axis2.deploy.DeploymentPoller.access$400(DeploymentPoller.java:60)
>         at org.apache.ode.axis2.deploy.DeploymentPoller$PollingThread.run(DeploymentPoller.java:247)
> 18199 [Thread-8] ERROR org.apache.ode.axis2.deploy.DeploymentPoller  - Deployment of
Context4BPELScenario failed, aborting for now.
> org.apache.ode.bpel.iapi.ContextException: Deploy failed; error: [CompilationErrors]
Compilation completed with 1 error(s):
>         null:237: error: [UndeclaredVariable] Attempt to reference undeclared variable
"querytarget".
>         at org.apache.ode.store.ProcessStoreImpl.deploy(ProcessStoreImpl.java:189)
>         at org.apache.ode.axis2.deploy.DeploymentPoller.check(DeploymentPoller.java:162)
>         at org.apache.ode.axis2.deploy.DeploymentPoller.access$400(DeploymentPoller.java:60)
>         at org.apache.ode.axis2.deploy.DeploymentPoller$PollingThread.run(DeploymentPoller.java:247)
> Caused by: org.apache.ode.bpel.compiler.api.CompilationException: error: [CompilationErrors]
Compilation completed with 1 error(s):
>         null:237: error: [UndeclaredVariable] Attempt to reference undeclared variable
"querytarget".
>         at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl.compile(BpelCompilerImpl.java:764)
>         at org.apache.ode.bpel.compiler.v2.BpelCompilerImpl.compile(BpelCompilerImpl.java:133)
>         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:172)
>         at org.apache.ode.store.DeploymentUnitDir.compile(DeploymentUnitDir.java:135)
>         at org.apache.ode.store.ProcessStoreImpl.deploy(ProcessStoreImpl.java:185)
>         ... 3 more
> 21204 [Thread-8] FATAL org.apache.ode.axis2.deploy.DeploymentPoller  - Encountered an
unexpected error.  Exiting poller...
> java.lang.NullPointerException
>         at org.apache.ode.store.ProcessStoreImpl.refreshSchedules(ProcessStoreImpl.java:851)
>         at org.apache.ode.axis2.deploy.DeploymentPoller$DDWatchDogObserver.init(DeploymentPoller.java:292)
>         at org.apache.ode.utils.WatchDog$DefaultObserver.onUpdate(WatchDog.java:302)
>         at org.apache.ode.utils.WatchDog.check(WatchDog.java:132)
> The last error destroys the deployment poller 

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