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https://issues.apache.org/jira/browse/CLOUDSTACK-6472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13977948#comment-13977948
]
Pierre-Yves Ritschard commented on CLOUDSTACK-6472:
---------------------------------------------------
Here is the relevant stacktrace:
2014-04-22 00:18:07,417 ERROR [cloud.api.ApiServer]
(catalina-exec-2:ctx-60c87510 ctx-22de212f ctx-a88a3dd7) unhandled exception
executing api command: listUsageRecords
java.lang.NullPointerException
at
com.cloud.api.ApiResponseHelper.createUsageResponse(ApiResponseHelper.java:3308)
at
org.apache.cloudstack.api.command.admin.usage.GetUsageRecordsCmd.execute(GetUsageRecordsCmd.java:119)
at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:161)
at com.cloud.api.ApiServer.queueCommand(ApiServer.java:531)
at com.cloud.api.ApiServer.handleRequest(ApiServer.java:374)
at com.cloud.api.ApiServlet.processRequestInContext(ApiServlet.java:323)
at com.cloud.api.ApiServlet.access$000(ApiServlet.java:53)
at com.cloud.api.ApiServlet$1.run(ApiServlet.java:115)
at
org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
at
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
at
org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
at com.cloud.api.ApiServlet.processRequest(ApiServlet.java:112)
at com.cloud.api.ApiServlet.doGet(ApiServlet.java:74)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:615)
at
org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:647)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at
org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:889)
at
org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:744)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2282)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
> GenerateUsageRecords generates NPEs for expunging instances
> -----------------------------------------------------------
>
> Key: CLOUDSTACK-6472
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6472
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Management Server, Usage
> Affects Versions: 4.3.0
> Environment: linux
> Reporter: Pierre-Yves Ritschard
> Attachments: 0001-handle-removed-entities.patch
>
>
> The GenerateUsageRecords API command, pulls down the list of usage records in
> the cloud_usage database and augments records with information pulled from
> the cloud database.
> When dealing with instance records, only instances which are do not have a
> value for the removed field are considered. Unfortunately, since the output
> of _entityMgr.findById is not checked this means that Null Pointer Exceptions
> are generated when trying to access the output for expunged VMs.
> The attached patch fixes the issue and applies a similar fix for other
> similar cases.
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