[
https://issues.apache.org/jira/browse/NIFI-4092?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16235075#comment-16235075
]
Tijo Thomas commented on NIFI-4092:
-----------------------------------
I am also getting the same error . It is happening in one of the nifi
cluster .
```
java.io.IOException:
org.apache.nifi.controller.serialization.FlowSerializationException:
java.lang.ClassCastException:
org.apache.nifi.web.api.dto.TemplateDTO$JaxbAccessorM_getDescription_setDescription_java_lang_String
cannot be cast to com.sun.xml.internal.bind.v2.runtime.reflect.Accessor
at
org.apache.nifi.persistence.StandardXMLFlowConfigurationDAO.save(StandardXMLFlowConfigurationDAO.java:143)
at
org.apache.nifi.controller.StandardFlowService.createDataFlowFromController(StandardFlowService.java:607)
at
org.apache.nifi.controller.StandardFlowService.createDataFlowFromController(StandardFlowService.java:100)
at
org.apache.nifi.cluster.coordination.node.NodeClusterCoordinator$2.run(NodeClusterCoordinator.java:706)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.nifi.controller.serialization.FlowSerializationException:
java.lang.ClassCastException:
org.apache.nifi.web.api.dto.TemplateDTO$JaxbAccessorM_getDescription_setDescription_java_lang_String
cannot be cast to com.sun.xml.internal.bind.v2.runtime.reflect.Accessor
at
org.apache.nifi.controller.serialization.StandardFlowSerializer.addTemplate(StandardFlowSerializer.java:546)
at
org.apache.nifi.controller.serialization.StandardFlowSerializer.addProcessGroup(StandardFlowSerializer.java:203)
at
org.apache.nifi.controller.serialization.StandardFlowSerializer.addProcessGroup(StandardFlowSerializer.java:187)
at
org.apache.nifi.controller.serialization.StandardFlowSerializer.addProcessGroup(StandardFlowSerializer.java:187)
at
org.apache.nifi.controller.serialization.StandardFlowSerializer.addProcessGroup(StandardFlowSerializer.java:187)
at
org.apache.nifi.controller.serialization.StandardFlowSerializer.addProcessGroup(StandardFlowSerializer.java:187)
at
org.apache.nifi.controller.serialization.StandardFlowSerializer.serialize(StandardFlowSerializer.java:97)
at
org.apache.nifi.controller.FlowController.serialize(FlowController.java:1554)
at
org.apache.nifi.persistence.StandardXMLFlowConfigurationDAO.save(StandardXMLFlowConfigurationDAO.java:141)
... 4 common frames omitted
Caused by: java.lang.ClassCastException:
org.apache.nifi.web.api.dto.TemplateDTO$JaxbAccessorM_getDescription_setDescription_java_lang_String
cannot be cast to com.sun.xml.internal.bind.v2.runtime.reflect.Accessor
at
com.sun.xml.internal.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.instanciate(OptimizedAccessorFactory.java:190)
at
com.sun.xml.internal.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.get(OptimizedAccessorFactory.java:129)
at
com.sun.xml.internal.bind.v2.runtime.reflect.Accessor$GetterSetterReflection.optimize(Accessor.java:388)
at
com.sun.xml.internal.bind.v2.runtime.property.SingleElementLeafProperty.<init>(SingleElementLeafProperty.java:77)
at sun.reflect.GeneratedConstructorAccessor909.newInstance(Unknown
Source)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at
com.sun.xml.internal.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:113)
at
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:166)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:488)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:305)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:124)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl$JAXBContextBuilder.build(JAXBContextImpl.java:1123)
at
com.sun.xml.internal.bind.v2.ContextFactory.createContext(ContextFactory.java:147)
at sun.reflect.GeneratedMethodAccessor1654.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:247)
at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:234)
at javax.xml.bind.ContextFinder.find(ContextFinder.java:462)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:641)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:584)
at
org.apache.nifi.persistence.TemplateSerializer.serialize(TemplateSerializer.java:47)
at
org.apache.nifi.controller.serialization.StandardFlowSerializer.addTemplate(StandardFlowSerializer.java:534)
... 12 common frames omitted
2017-11-02 09:54:20,000 INFO [Leader Election Notification Thread-4]
o.apache.nifi.controller.FlowController This node is no longer Primary Node
2017-11-02 09:54:20,000 ERROR [Leader Election Notification Thread-4]
o.a.c.f.recipes.leader.LeaderSelector The leader threw an exception
java.lang.InterruptedException: null
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:502)
at org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1342)
at org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:871)
at
org.apache.curator.framework.imps.DeleteBuilderImpl$5.call(DeleteBuilderImpl.java:250)
at
org.apache.curator.framework.imps.DeleteBuilderImpl$5.call(DeleteBuilderImpl.java:244)
at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:108)
at
org.apache.curator.framework.imps.DeleteBuilderImpl.pathInForeground(DeleteBuilderImpl.java:240)
at
org.apache.curator.framework.imps.DeleteBuilderImpl.forPath(DeleteBuilderImpl.java:225)
at
org.apache.curator.framework.imps.DeleteBuilderImpl.forPath(DeleteBuilderImpl.java:35)
at
org.apache.curator.framework.recipes.locks.LockInternals.deleteOurPath(LockInternals.java:339)
at
org.apache.curator.framework.recipes.locks.LockInternals.releaseLock(LockInternals.java:123)
at
org.apache.curator.framework.recipes.locks.InterProcessMutex.release(InterProcessMutex.java:154)
at
org.apache.curator.framework.recipes.leader.LeaderSelector.doWork(LeaderSelector.java:425)
at
org.apache.curator.framework.recipes.leader.LeaderSelector.doWorkLoop(LeaderSelector.java:441)
at
org.apache.curator.framework.recipes.leader.LeaderSelector.access$100(LeaderSelector.java:64)
at
org.apache.curator.framework.recipes.leader.LeaderSelector$2.call(LeaderSelector.java:245)
at
org.apache.curator.framework.recipes.leader.LeaderSelector$2.call(LeaderSelector.java:239)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
2017-11-02 09:54:20,208 INFO [pool-12-thread-1]
org.wali.MinimalLockingWriteAheadLog
org.wali.MinimalLockingWriteAheadLog@7242f11c checkpointed with 752 Records and
0 Swap Files in 625 milliseconds (Stop-the-world time = 47 milliseconds, Clear
Edit Logs time = 533 millis), max Transaction ID 5849576
```
> ClassCastException Warning during cluster sync
> ----------------------------------------------
>
> Key: NIFI-4092
> URL: https://issues.apache.org/jira/browse/NIFI-4092
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.3.0
> Reporter: Joseph Gresock
> Priority: Major
>
> This is the strack trace I receive, though I'm not sure it affects anything,
> since the cluster is eventually able to connect.
> 2017-06-20 13:46:44,680 WARN [Reconnect ip-172-31-55-36.ec2.internal:8443]
> o.a.n.c.c.node.NodeClusterCoordinator Problem encountered issuing
> reconnection request to node ip-172-31-55-36.ec2.internal:8443
> java.io.IOException:
> org.apache.nifi.controller.serialization.FlowSerializationException:
> java.lang.ClassCastException:
> org.apache.nifi.web.api.dto.TemplateDTO$JaxbAccessorM_getDescription_setDescription_java_lang_String
> cannot be cast to com.sun.xml.internal.bind.v2.runtime.reflect.Accessor
> at
> org.apache.nifi.persistence.StandardXMLFlowConfigurationDAO.save(StandardXMLFlowConfigurationDAO.java:143)
> at
> org.apache.nifi.controller.StandardFlowService.createDataFlowFromController(StandardFlowService.java:607)
> at
> org.apache.nifi.controller.StandardFlowService.createDataFlowFromController(StandardFlowService.java:100)
> at
> org.apache.nifi.cluster.coordination.node.NodeClusterCoordinator$2.run(NodeClusterCoordinator.java:706)
> at java.lang.Thread.run(Thread.java:748)
> Caused by:
> org.apache.nifi.controller.serialization.FlowSerializationException:
> java.lang.ClassCastException:
> org.apache.nifi.web.api.dto.TemplateDTO$JaxbAccessorM_getDescription_setDescription_java_lang_String
> cannot be cast to com.sun.xml.internal.bind.v2.runtime.reflect.Accessor
> at
> org.apache.nifi.controller.serialization.StandardFlowSerializer.addTemplate(StandardFlowSerializer.java:546)
> at
> org.apache.nifi.controller.serialization.StandardFlowSerializer.addProcessGroup(StandardFlowSerializer.java:203)
> at
> org.apache.nifi.controller.serialization.StandardFlowSerializer.addProcessGroup(StandardFlowSerializer.java:187)
> at
> org.apache.nifi.controller.serialization.StandardFlowSerializer.addProcessGroup(StandardFlowSerializer.java:187)
> at
> org.apache.nifi.controller.serialization.StandardFlowSerializer.serialize(StandardFlowSerializer.java:97)
> at
> org.apache.nifi.controller.FlowController.serialize(FlowController.java:1544)
> at
> org.apache.nifi.persistence.StandardXMLFlowConfigurationDAO.save(StandardXMLFlowConfigurationDAO.java:141)
> ... 4 common frames omitted
> Caused by: java.lang.ClassCastException:
> org.apache.nifi.web.api.dto.TemplateDTO$JaxbAccessorM_getDescription_setDescription_java_lang_String
> cannot be cast to com.sun.xml.internal.bind.v2.runtime.reflect.Accessor
> at
> com.sun.xml.internal.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.instanciate(OptimizedAccessorFactory.java:190)
> at
> com.sun.xml.internal.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.get(OptimizedAccessorFactory.java:129)
> at
> com.sun.xml.internal.bind.v2.runtime.reflect.Accessor$GetterSetterReflection.optimize(Accessor.java:388)
> at
> com.sun.xml.internal.bind.v2.runtime.property.SingleElementLeafProperty.<init>(SingleElementLeafProperty.java:77)
> at sun.reflect.GeneratedConstructorAccessor435.newInstance(Unknown
> Source)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
> at
> com.sun.xml.internal.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:113)
> at
> com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:166)
> at
> com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:488)
> at
> com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:305)
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