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https://issues.apache.org/jira/browse/BROOKLYN-386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15669673#comment-15669673
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ASF GitHub Bot commented on BROOKLYN-386:
-----------------------------------------
Github user neykov commented on the issue:
https://github.com/apache/brooklyn-server/pull/438
LGTM, merging.
> NPE on rebind calling CreateUserPolicy.addUser
> ----------------------------------------------
>
> Key: BROOKLYN-386
> URL: https://issues.apache.org/jira/browse/BROOKLYN-386
> Project: Brooklyn
> Issue Type: Bug
> Reporter: Aled Sage
>
> I found this NullPointerException in the log:
> {noformat}
> 2016-09-07 13:50:40,633 INFO o.a.b.c.m.r.RebindIteration
> [brooklyn-execmanager-EVQzoN78-0]: Rebind complete (MASTER) in 41.0s: 6 apps,
> 16 entities, 56 locations, 2 policies, 88 enrichers, 0 feeds, 162 catalog
> items
> 2016-09-07 13:50:40,633 DEBUG o.a.b.c.m.r.RebindIteration
> [brooklyn-execmanager-EVQzoN78-0]: RebindManager complete; apps: [fxky5xbx0z,
> vt864wmzpn, u3ohrxr21o, X0UTBSWZ, sJslLEBo, eb95zYiG]
> 2016-09-07 13:50:40,634 INFO o.a.b.p.j.os.CreateUserPolicy
> [brooklyn-execmanager-EVQzoN78-0]: Adding auto-generated user myname @
> 1.2.3.4:11071
> 2016-09-07 13:50:40,667 DEBUG o.a.b.c.m.r.RebindManagerImpl [main]: Starting
> persistence
> (org.apache.brooklyn.core.mgmt.rebind.RebindManagerImpl@19d095d5[mgmt=EVQzoN78]),
> mgmt EVQzoN78
> 2016-09-07 13:50:40,668 DEBUG o.a.b.l.j.JcloudsSshMachineLocation
> [brooklyn-execmanager-EVQzoN78-0]: Problem getting node-metadata for
> SshMachineLocation[MyVcloudDirector(Test):[email protected]/1.1.1.1:11071(id=N1UFSoVb)],
> node id urn:vcloud:vm:be3270fd-698f-4be3-b8
> 55-d379505ac95a (continuing)
> java.lang.NullPointerException: null
> at
> org.apache.brooklyn.location.jclouds.JcloudsSshMachineLocation.getOptionalNode(JcloudsSshMachineLocation.java:225)
> [brooklyn-locations-jclouds-0.10.0-20160907.0931.jar:0.10.0-20160907.0931]
> at
> org.apache.brooklyn.location.jclouds.JcloudsSshMachineLocation.getOptionalOperatingSystem(JcloudsSshMachineLocation.java:519)
> [brooklyn-locations-jclouds-0.10.0-20160907.0931.jar:0.10.0-20160907.0931]
> at
> org.apache.brooklyn.location.jclouds.JcloudsSshMachineLocation.inferMachineDetails(JcloudsSshMachineLocation.java:543)
> [brooklyn-locations-jclouds-0.10.0-20160907.0931.jar:0.10.0-20160907.0931]
> at
> org.apache.brooklyn.location.ssh.SshMachineLocation.getMachineDetails(SshMachineLocation.java:1058)
> [brooklyn-core-0.10.0-20160907.0931.jar:0.10.0-20160907.0931]
> at
> org.apache.brooklyn.policy.jclouds.os.CreateUserPolicy.addUser(CreateUserPolicy.java:145)
> [brooklyn-locations-jclouds-0.10.0-20160907.0931.jar:0.10.0-20160907.0931]
> at
> org.apache.brooklyn.policy.jclouds.os.CreateUserPolicy$1.run(CreateUserPolicy.java:114)
> [brooklyn-locations-jclouds-0.10.0-20160907.0931.jar:0.10.0-20160907.0931]
> at
> org.apache.brooklyn.util.concurrent.CallableFromRunnable.call(CallableFromRunnable.java:43)
> [brooklyn-utils-common-0.10.0-20160907.0931.jar:0.10.0-20160907.0931]
> at
> org.apache.brooklyn.util.core.task.BasicExecutionManager$SubmissionCallable.call(BasicExecutionManager.java:519)
> [brooklyn-core-0.10.0-20160907.0931.jar:0.10.0-20160907.0931]
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> [na:1.7.0_95]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [na:1.7.0_95]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_95]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_95]
> {noformat}
> It shouldn't try to create the user again on rebind. And we should check to
> avoid the NPE as well.
> But this is benign, given that we don't want it to be executing the
> create-user code again anyway.
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