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From Chamila De Alwis <chami...@wso2.com>
Subject Re: ISSUE: java cartridge agent throwing exception was ....RE: [Discuss] Java Cartridge Agent Improvements
Date Wed, 25 Feb 2015 04:00:01 GMT
Hi Martin,

Please find my response inline.
On Feb 25, 2015 8:23 AM, "Martin Eppel (meppel)" <meppel@cisco.com> wrote:
>
> Hi Chamila,
>
>
>
> With the latest code as of today (see last commit) and run into the
exceptions (see below) when bringing up the cartridge agent ? Not sure if
something is missing or the code is simple not yet ready ?
>
>
>
> I attached the logs as well,
>
>
>
> Thanks
>
>
>
> Martin
>
>
>
> Last commit:
>
> commit a0003d85353bea6d1937f2e06db05f6335f34078
>
> Author: Lahiru Sandaruwan <lahirus@apache.org>
>
> Date:   Wed Feb 25 05:40:42 2015 +0530
>
>
>
> Exceptions:
>
>
>
> [2015-02-25 02:38:05,563]  INFO - [CartridgeAgentEventPublisher] Instance
started event published
>
> [2015-02-25 02:38:05,563]  INFO - [DefaultExtensionHandler] [start server
extension] complete topology event received
>
> [2015-02-25 02:38:05,564] ERROR - [ExtensionUtils] Could not execute
start servers extension
>
> java.lang.UnsupportedOperationException
>

This seems to be resulting from an unusual payload parameter. Is it
possible to attach a payload params file?
>                at java.util.AbstractMap.put(AbstractMap.java:203)
>
>                at
org.apache.stratos.cartridge.agent.util.ExtensionUtils.addPayloadParameters(ExtensionUtils.java:66)
>
>                at
org.apache.stratos.cartridge.agent.util.ExtensionUtils.executeStartServersExtension(ExtensionUtils.java:153)
>
>                at
org.apache.stratos.cartridge.agent.extensions.DefaultExtensionHandler.startServerExtension(DefaultExtensionHandler.java:426)
>
>                at
org.apache.stratos.cartridge.agent.CartridgeAgent.run(CartridgeAgent.java:122)
>
>                at java.lang.Thread.run(Thread.java:745)
>
>
>
> …
>
> [2015-02-25 02:38:10,633]  INFO - [CartridgeAgentEventPublisher] Starting
health statistics notifier
>
> Exception in thread "Thread-1" java.lang.RuntimeException: Could not
parse thrift client configuration
>
>                at
org.apache.stratos.common.statistics.publisher.wso2.cep.ThriftClientConfigParser.parse(ThriftClientConfigParser.java:136)
>
>                at
org.apache.stratos.common.statistics.publisher.wso2.cep.ThriftClientConfig.getInstance(ThriftClientConfig.java:44)
>
>                at
org.apache.stratos.common.statistics.publisher.wso2.cep.WSO2CEPStatisticsPublisher.<init>(WSO2CEPStatisticsPublisher.java:56)
>
>                at
org.apache.stratos.common.statistics.publisher.wso2.cep.WSO2CEPHealthStatisticsPublisher.<init>(WSO2CEPHealthStatisticsPublisher.java:43)
>
>                at
org.apache.stratos.common.statistics.publisher.HealthStatisticsPublisherFactory.createHealthStatisticsPublisher(HealthStatisticsPublisherFactory.java:31)
>
>                at
org.apache.stratos.cartridge.agent.statistics.publisher.HealthStatisticsNotifier.<init>(HealthStatisticsNotifier.java:45)
>
>                at
org.apache.stratos.cartridge.agent.event.publisher.CartridgeAgentEventPublisher.publishInstanceActivatedEvent(CartridgeAgentEventPublisher.java:139)
>
>                at
org.apache.stratos.cartridge.agent.CartridgeAgent.run(CartridgeAgent.java:145)
>
>                at java.lang.Thread.run(Thread.java:745)
>
> Caused by: java.lang.NullPointerException
>
>                at java.io.File.<init>(File.java:277)
>
>                at
org.apache.stratos.common.statistics.publisher.wso2.cep.ThriftClientConfigParser.parse(ThriftClientConfigParser.java:67)
>
>                ... 8 more
>
>
Please check if thrift-client-config.xml is present in <agent home>/conf/
dolder. Also please check that the puppet master is up to date.
>
> ….
>
> [2015-02-25 02:40:14,097] ERROR - [CartridgeAgentEventListeners] Error
processing member terminated event
>
> java.lang.NullPointerException
>
This can result because of a corrupted topology model. I'll look in to
this.3
>                at
org.apache.stratos.cartridge.agent.util.ExtensionUtils.checkTopologyConsistency(ExtensionUtils.java:500)
>
>                at
org.apache.stratos.cartridge.agent.extensions.DefaultExtensionHandler.onMemberTerminatedEvent(DefaultExtensionHandler.java:345)
>
>                at
org.apache.stratos.cartridge.agent.CartridgeAgentEventListeners$11.onEvent(CartridgeAgentEventListeners.java:292)
>
>                at
org.apache.stratos.messaging.listener.EventListener.update(EventListener.java:42)
>
>                at
java.util.Observable.notifyObservers(Observable.java:159)
>
>                at
org.apache.stratos.messaging.event.EventObservable.notifyEventListeners(EventObservable.java:51)
>
>                at
org.apache.stratos.messaging.message.processor.topology.MemberTerminatedMessageProcessor.doProcess(MemberTerminatedMessageProcessor.java:129)
>
>                at
org.apache.stratos.messaging.message.processor.topology.MemberTerminatedMessageProcessor.process(MemberTerminatedMessageProcessor.java:59)
>
>                at
org.apache.stratos.messaging.message.processor.topology.MemberSuspendedMessageProcessor.process(MemberSuspendedMessageProcessor.java:69)
>
> …
>
>
>
> From: Martin Eppel (meppel)
> Sent: Tuesday, February 24, 2015 4:45 PM
> To: dev@stratos.apache.org
> Subject: RE: [Discuss] Java Cartridge Agent Improvements
>
>
>
> Never mind, I see the commits
>
>
>
> Thanks
>
>
>
> Martin
>
> From: Martin Eppel (meppel)
> Sent: Tuesday, February 24, 2015 3:17 PM
> To: dev@stratos.apache.org
> Subject: RE: [Discuss] Java Cartridge Agent Improvements
>
>
>
> Hi Chamila,
>
>
>
> I was just wondering if you already merged these fixes back to the master
(or by when ) ?
>
>
>
> I think I am hitting these issues, see exceptions below,
>
>
>
> Thanks
>
>
>
> Martin
>
>
>
>
>
> [2015-02-24 23:06:02,707] ERROR - [TopologyEventMessageDelegator] Failed
to retrieve topology event message
>
> java.lang.IllegalMonitorStateException: attempt to unlock read lock, not
locked by current thread
>
>         at
java.util.concurrent.locks.ReentrantReadWriteLock$Sync.unmatchedUnlockException(ReentrantReadWriteLock.java:447)
>
>         at
java.util.concurrent.locks.ReentrantReadWriteLock$Sync.tryReleaseShared(ReentrantReadWriteLock.java:431)
>
>         at
java.util.concurrent.locks.AbstractQueuedSynchronizer.releaseShared(AbstractQueuedSynchronizer.java:1340)
>
>         at
java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock.unlock(ReentrantReadWriteLock.java:883)
>
>         at
org.apache.stratos.common.concurrent.locks.ReadWriteLock.releaseReadLock(ReadWriteLock.java:199)
>
>         at
org.apache.stratos.messaging.message.receiver.topology.TopologyManager.releaseReadLockForService(TopologyManager.java:144)
>
>
>
> ….
>
>
>
> [2015-02-24 23:06:07,706]  INFO - [CartridgeAgentEventPublisher] Starting
health statistics notifierException in thread "Thread-1"
java.lang.RuntimeException: Could not parse thrift client configuration
>
>         at
org.apache.stratos.common.statistics.publisher.wso2.cep.ThriftClientConfigParser.parse(ThriftClientConfigParser.java:136)
at
org.apache.stratos.common.statistics.publisher.wso2.cep.ThriftClientConfig.getInstance(ThriftClientConfig.java:44)
>
>         at
org.apache.stratos.common.statistics.publisher.wso2.cep.WSO2CEPStatisticsPublisher.<init>(WSO2CEPStatisticsPublisher.java:56)
at
org.apache.stratos.common.statistics.publisher.wso2.cep.WSO2CEPHealthStatisticsPublisher.<init>(WSO2CEPHealthStatisticsPublisher.java:43)
at
org.apache.stratos.common.statistics.publisher.HealthStatisticsPublisherFactory.createHealthStatisticsPublisher(HealthStatisticsPublisherFactory.java:31)
at
org.apache.stratos.cartridge.agent.statistics.publisher.HealthStatisticsNotifier.<init>(HealthStatisticsNotifier.java:45)
at
org.apache.stratos.cartridge.agent.event.publisher.CartridgeAgentEventPublisher.publishInstanceActivatedEvent(CartridgeAgentEventPublisher.java:129)
>
>         at
org.apache.stratos.cartridge.agent.CartridgeAgent.run(CartridgeAgent.java:171)
>
>         at java.lang.Thread.run(Thread.java:745)Caused by:
java.lang.NullPointerException
>
>         at java.io.File.<init>(File.java:277)
>
>
>
>
>
> From: Chamila De Alwis [mailto:chamilad@wso2.com]
> Sent: Friday, February 20, 2015 1:36 PM
> To: dev
> Subject: [Discuss] Java Cartridge Agent Improvements
>
>
>
> Hi,
>
>
>
> I'm in the process of getting the JCA to a matching state with the PCA.
As a part of this I copied over the integration test that was written by
Imesh for the PCA, to simplify error checks and find bugs in the JCA.
>
>
>
> There was an issue in the CartridgeEventListener where
TopologyManager.acquireReadLock() was called after a conditional return
statement. The lock is released in the finally{} block and thus it executes
before the return statement completes, i.e. before actually acquiring the
lock.
>
>
>
> Another issue I've found so far is the -Dthrift.client.config.file.path
system property and the thrift-client-config.xml being missing in the
Cartridge agent product assembly.
>
>
>
> I will soon submit a PR with a stable JCA.
>
>
>
> Any feedback, ideas are appreciated! :)
>
>
>
> Regards,
>
> Chamila de Alwis
>
> Software Engineer | WSO2 | +94772207163
>
> Blog: code.chamiladealwis.com
>
>
>
>

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