Re: synchronization issue

Mon, 20 Aug 2007 05:45:52 -0700 

Hi Karl,

I've try some days and the problem never appeared, so I think that works.

Thanks
Tom

On Wed, 15 Aug 2007 22:18:32 +0200, Karl Pauls <[EMAIL PROTECTED]> wrote:


I saw the same exception too and Felix Meschberger created a JIRA
issue for it (FELIX-338). We worked on it for some time (you can see
the discussion on the JIRA) and I just commited a fix to trunk as of
revision 566323.

Please try to test whether this makes your issue go away (or not
appear in this case). I'll try to run the framework in the project I
saw the same issue too. Hopefully, it should be gone now.

regards,

Karl

On 7/31/07, Tom Remoleur <[EMAIL PROTECTED]> wrote:


Hello everybody,

Since I'm using felix with lot of bundle, sometimes I've got a rare bug,
but I was never able to reproduct him.
But yesterday I've finally caught it. According to the stack trace, I
think that is a synchronization issue :
Here two services are registred at same time from two differents threads
(configuration admin update thread and bundle initialisation thread), but when firing event to ServiceListener, the same filter is evaluated by the 
two threads at same time, resulting in errors (but as you can see the
filter is correct)

I'm sorry for the few informations avalaible but it's an occasional
problem and I can't easily debug it.

SEVERE: ERROR : FilterImpl:
(&(objectClass=fr.u_strasbg.clarinet.stork.service.cli.CLICommandContextService)(Context=ShellConf))
org.apache.felix.log.impl.LogException:
org.apache.felix.framework.util.ldap.EvaluationException:
Evaluation.evalute: final stack has more than one result
        at
org.apache.felix.framework.util.ldap.Evaluator.evaluate(Evaluator.java:128)
at org.apache.felix.framework.FilterImpl.match(FilterImpl.java:167) 
        at
org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:717)
        at
org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:593)
        at
org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:525)
at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:3510) 
        at org.apache.felix.framework.Felix.access$000(Felix.java:36)
at org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:576) 
        at
org.apache.felix.framework.ServiceRegistry.fireServiceChanged(ServiceRegistry.java:435)
        at
org.apache.felix.framework.ServiceRegistry.registerService(ServiceRegistry.java:71)
at org.apache.felix.framework.Felix.registerService(Felix.java:2637) 
        at
org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:254)
        at
org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:232)
        at
org.apache.felix.dependencymanager.ServiceImpl.registerService(ServiceImpl.java:610)
        at
org.apache.felix.dependencymanager.ServiceImpl.activateService(ServiceImpl.java:408)
        at
org.apache.felix.dependencymanager.ServiceImpl.access$000(ServiceImpl.java:41)
        at
org.apache.felix.dependencymanager.ServiceImpl$3.run(ServiceImpl.java:110)
        at
org.apache.felix.dependencymanager.SerialExecutor$1.run(SerialExecutor.java:29)
        at
org.apache.felix.dependencymanager.SerialExecutor.scheduleNext(SerialExecutor.java:66)
        at
org.apache.felix.dependencymanager.SerialExecutor.execute(SerialExecutor.java:50)
        at
org.apache.felix.dependencymanager.ServiceImpl.calculateStateChanges(ServiceImpl.java:132)
        at
org.apache.felix.dependencymanager.ServiceImpl.start(ServiceImpl.java:241)
        at
org.apache.felix.dependencymanager.DependencyManager.add(DependencyManager.java:53)
        at
fr.u_strasbg.clarinet.stork.impl.deviceconfig.ethernet.EthernetDeviceCategoryServiceImpl.deviceExist(EthernetDeviceCategoryServiceImpl.java:250)
        at
fr.u_strasbg.clarinet.stork.impl.deviceconfig.ethernet.EthernetDeviceCategoryServiceImpl.addDevice(EthernetDeviceCategoryServiceImpl.java:203)
        at
fr.u_strasbg.clarinet.stork.impl.deviceconfig.vlan.VlanFactoryServiceImpl.createVlan(VlanFactoryServiceImpl.java:279)
        at
fr.u_strasbg.clarinet.stork.impl.deviceconfig.vlan.VlanFactoryServiceImpl.updated(VlanFactoryServiceImpl.java:197)
        at
org.apache.felix.cm.impl.ConfigurationManager$ManagedServiceFactoryUpdate.run(ConfigurationManager.java:975)
at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:89) Jul 30, 2007 4:59:48 PM fr.u_strasbg.clarinet.stork.utils.common.APLogger 
error
SEVERE: ERROR : FilterImpl:
(&(objectClass=fr.u_strasbg.clarinet.stork.service.cli.CLICommandContextService)(Context=ShellConf))
org.apache.felix.log.impl.LogException:
org.apache.felix.framework.util.ldap.EvaluationException: AND: too few
operands
        at
org.apache.felix.framework.util.ldap.Parser.fewOperands(Parser.java:1710)
at org.apache.felix.framework.util.ldap.Parser.access$000(Parser.java:27) 
        at
org.apache.felix.framework.util.ldap.Parser$AndOperator.execute(Parser.java:545)
        at
org.apache.felix.framework.util.ldap.Evaluator.evaluate(Evaluator.java:92)
at org.apache.felix.framework.FilterImpl.match(FilterImpl.java:167) 
        at
org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:717)
        at
org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:593)
        at
org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:525)
at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:3510) 
        at org.apache.felix.framework.Felix.access$000(Felix.java:36)
at org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:576) 
        at
org.apache.felix.framework.ServiceRegistry.fireServiceChanged(ServiceRegistry.java:435)
        at
org.apache.felix.framework.ServiceRegistry.registerService(ServiceRegistry.java:71)
at org.apache.felix.framework.Felix.registerService(Felix.java:2637) 
        at
org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:254)
        at
org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:232)
        at
org.apache.felix.dependencymanager.ServiceImpl.registerService(ServiceImpl.java:610)
        at
org.apache.felix.dependencymanager.ServiceImpl.activateService(ServiceImpl.java:408)
        at
org.apache.felix.dependencymanager.ServiceImpl.access$000(ServiceImpl.java:41)
        at
org.apache.felix.dependencymanager.ServiceImpl$1.run(ServiceImpl.java:98)
        at
org.apache.felix.dependencymanager.SerialExecutor$1.run(SerialExecutor.java:29)
        at
org.apache.felix.dependencymanager.SerialExecutor.scheduleNext(SerialExecutor.java:66)
        at
org.apache.felix.dependencymanager.SerialExecutor.access$000(SerialExecutor.java:15)
        at
org.apache.felix.dependencymanager.SerialExecutor$1.run(SerialExecutor.java:32)
        at
org.apache.felix.dependencymanager.SerialExecutor.scheduleNext(SerialExecutor.java:66)
        at
org.apache.felix.dependencymanager.SerialExecutor.execute(SerialExecutor.java:50)
        at
org.apache.felix.dependencymanager.ServiceImpl.calculateStateChanges(ServiceImpl.java:132)
        at
org.apache.felix.dependencymanager.ServiceImpl.start(ServiceImpl.java:241)
        at
org.apache.felix.dependencymanager.DependencyManager.add(DependencyManager.java:53)
        at
fr.u_strasbg.clarinet.stork.impl.deviceconfig.vlan.VlanDeviceActivator.init(VlanDeviceActivator.java:80)
        at
org.apache.felix.dependencymanager.DependencyActivatorBase.start(DependencyActivatorBase.java:74)
        at
org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:589)
at org.apache.felix.framework.Felix._startBundle(Felix.java:1535) 
        at org.apache.felix.framework.Felix.startBundle(Felix.java:1469)
        at
org.apache.felix.framework.Felix.setFrameworkStartLevel(Felix.java:1064)
at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:258) 
        at java.lang.Thread.run(Unknown Source)


Tom

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