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Problem with Inheritance and javax.resource.spi.work.Work
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created by <a href="https://community.jboss.org/people/andreasw">Andreas Wurm</a> in <i>IronJacamar Development</i> - <a href="https://community.jboss.org/message/728756#728756">View the full discussion</a>
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<div class="jive-rendered-content"><p>While deploying XADisk to JBOSS AS 7.1.1 i encountered some obstacles.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>First i encountered exceptions because the ResourceAdapter did not implement equals and hashCode. so i provided them.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><table border="1" cellpadding="3" cellspacing="0" class="jiveBorder" style="width: 100%; border: 1px solid #000000;"><tbody><tr><th align="center" style="border:1px solid black;border: 1px solid #000000;background-color: #6690bc;" valign="middle"><span style="color: #ffffff;"><strong>Header 1</strong></span></th></tr><tr><td style="border:1px solid black;border: 1px solid #000000;"><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p class="western">16:27:33,086 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-1) MSC00001: Failed to start service jboss.ra.deployer.XADisk: org.jboss.msc.service.StartException in service jboss.ra.deployer.XADisk: JBAS010446: Failed to start RA deployment [XADisk]</p><p class="western">at org.jboss.as.connector.metadata.deployment.ResourceAdapterDeploymentService.start(ResourceAdapterDeploymentService.java:103)</p><p class="western">at  org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]</p><p class="western">at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]</p><p class="western">at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [rt.jar:1.6.0_22]</p><p class="western">at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [rt.jar:1.6.0_22]</p><p class="western">at java.lang.Thread.run(Thread.java:679) [rt.jar:1.6.0_22]</p><p class="western">Caused by: org.jboss.jca.deployers.common.DeployException: IJ020056: Deployment failed: file:/opt/jboss-as-7.1.1.Final/standalone/tmp/vfs/temp21defa915e6eedb7/XADisk.rar-4a6847c2a45ad1f0/contents/</p><p class="western">at  org.jboss.jca.deployers.common.AbstractResourceAdapterDeployer.createObjectsAndInjectValue(AbstractResourceAdapterDeployer.java:2179)</p><p class="western">at  org.jboss.jca.deployers.common.AbstractResourceAdapterDeployer.createObjectsAndInjectValue(AbstractResourceAdapterDeployer.java:1034)</p><p class="western">at  org.jboss.as.connector.metadata.deployment.ResourceAdapterDeploymentService$AS7RaDeployer.doDeploy(ResourceAdapterDeploymentService.java:173)</p><p class="western">at org.jboss.as.connector.metadata.deployment.ResourceAdapterDeploymentService.start(ResourceAdapterDeploymentService.java:100)</p><p class="western">... 5 more</p><p class="western">Caused by: org.jboss.jca.validator.ValidatorException: Severity: ERROR</p><p class="western">Section: 19.4.2</p><p class="western">Description<strong>: A ResourceAdapter must implement a "public boolean equals(Object)" method.</strong></p><p class="western">Code: org.xadisk.connector.XADiskResourceAdapter</p><p class="western" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p class="western">Severity: ERROR</p><p class="western">Section: 19.4.2</p><p class="western">Description:<strong> A ResourceAdapter must implement a "public int hashCode()" method.</strong></p><p class="western">Code: org.xadisk.connector.XADiskResourceAdapter</p></td></tr></tbody></table><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Next Exception:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><table border="1" cellpadding="3" cellspacing="0" class="jiveBorder" style="width: 100%; border: 1px solid #000000;"><tbody><tr><th align="center" style="border:1px solid black;border: 1px solid #000000;background-color: #6690bc;" valign="middle"><span style="color: #ffffff;"><strong>Header 1</strong></span></th></tr><tr><td style="border:1px solid black;border: 1px solid #000000;"><p class="western"> 16:34:02,892 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-2) JBAS015876: Starting deployment of "XADisk.rar"</p><p class="western">16:34:03,193 INFO [org.jboss.as.deployment.connector] (MSC service thread 1-8) JBAS010406: Registered connection factory java:global/XADiskCF</p><p class="western">16:34:03,282 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-8) MSC00001: Failed to start service jboss.ra.deployment."XADisk.rar_1": org.jboss.msc.service.StartException in service jboss.ra.deployment."XADisk.rar_1": org.jboss.msc.service.StartException in anonymous service: JBAS010446: Failed to start RA deployment [XADisk]</p><p class="western">at org.jboss.as.connector.metadata.deployment.ResourceAdapterXmlDeploymentService.start(ResourceAdapterXmlDeploymentService.java:127)</p><p class="western">at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]</p><p class="western">at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]</p><p class="western">at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [rt.jar:1.6.0_22]</p><p class="western">at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [rt.jar:1.6.0_22]</p><p class="western">at java.lang.Thread.run(Thread.java:679) [rt.jar:1.6.0_22]</p><p class="western">Caused by: org.jboss.msc.service.StartException in anonymous service: JBAS010446: Failed to start RA deployment [XADisk]</p><p class="western">at org.jboss.as.connector.metadata.deployment.ResourceAdapterXmlDeploymentService.start(ResourceAdapterXmlDeploymentService.java:111)</p><p class="western">... 5 more</p><p class="western">Caused by: org.jboss.jca.deployers.common.DeployException: IJ020051: Unable to start org.xadisk.connector.XADiskResourceAdapter</p><p class="western">at org.jboss.jca.deployers.common.AbstractResourceAdapterDeployer.startContext(AbstractResourceAdapterDeployer.java:350)</p><p class="western">at org.jboss.jca.deployers.common.AbstractResourceAdapterDeployer.createObjectsAndInjectValue(AbstractResourceAdapterDeployer.java:2139)</p><p class="western">at org.jboss.as.connector.metadata.deployment.ResourceAdapterXmlDeploymentService$AS7RaXmlDeployer.doDeploy(ResourceAdapterXmlDeploymentService.java:178)</p><p class="western">at org.jboss.as.connector.metadata.deployment.ResourceAdapterXmlDeploymentService.start(ResourceAdapterXmlDeploymentService.java:104)</p><p class="western">... 5 more</p><p class="western">Caused by: javax.resource.spi.ResourceAdapterInternalException: org.xadisk.filesystem.exceptions.XASystemBootFailureException: The XADisk instance has encoutered a critial issue and could not be booted. Such a condition is very rare. If you think you have setup everything right for XADisk to work, please consider discussing in XADisk forums, or raising a bug with details.</p><p class="western">at org.xadisk.connector.XADiskResourceAdapter.start(XADiskResourceAdapter.java:40)</p><p class="western">at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.6.0_22]</p><p class="western">at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.6.0_22]</p><p class="western">at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.6.0_22]</p><p class="western">at java.lang.reflect.Method.invoke(Method.java:616) [rt.jar:1.6.0_22]</p><p class="western">at org.jboss.jca.deployers.common.AbstractResourceAdapterDeployer.startContext(AbstractResourceAdapterDeployer.java:346)</p><p class="western">... 8 more</p><p class="western">Caused by: org.xadisk.filesystem.exceptions.XASystemBootFailureException: The XADisk instance has encoutered a critial issue and could not be booted. Such a condition is very rare. If you think you have setup everything right for XADisk to work, please consider discussing in XADisk forums, or raising a bug with details.</p><p class="western">at org.xadisk.filesystem.NativeXAFileSystem.<init>(NativeXAFileSystem.java:186)</p><p class="western">at org.xadisk.filesystem.NativeXAFileSystem.bootXAFileSystem(NativeXAFileSystem.java:202)</p><p class="western">at org.xadisk.connector.XADiskResourceAdapter.start(XADiskResourceAdapter.java:38)</p><p class="western">... 13 more</p><p class="western">Caused by: <strong>javax.resource.spi.work.WorkException: org.xadisk.filesystem.workers.DeadLockDetector: Run method is not defined</strong></p><p class="western">at org.jboss.jca.core.workmanager.WorkManagerImpl.verifyWorkMethods(WorkManagerImpl.java:716)</p><p class="western">at org.jboss.jca.core.workmanager.WorkManagerImpl.verifyWork(WorkManagerImpl.java:681)</p><p class="western">at org.jboss.jca.core.workmanager.WorkManagerImpl.checkAndVerifyWork(WorkManagerImpl.java:656)</p><p class="western">at org.jboss.jca.core.workmanager.WorkManagerImpl.startWork(WorkManagerImpl.java:378)</p><p class="western">at org.xadisk.filesystem.NativeConcurrencyControl.<init>(NativeConcurrencyControl.java:41)</p><p class="western">at org.xadisk.filesystem.NativeXAFileSystem.<init>(NativeXAFileSystem.java:164)</p><p class="western">... 15 more</p></td></tr></tbody></table><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Im interested in why a resource adapter has to override equals.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Also I think the validation of the WorkMethods is not correct. The WorkManager verifies if the 2 Methods of javax.resource.spi.work.Work are implemented in the class.</p><p>In the described case both methods were implemented in a superclass of DeadLockDetector, so they were there.</p><p>To get things working, I had to implement the methods and delegate to their superclass.</p><p>The current implementation denies inheritance, is this the desired behaviour?</p></div>
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