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https://issues.apache.org/jira/browse/NIFI-2487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15409904#comment-15409904
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Mark Payne commented on NIFI-2487:
----------------------------------
I see this only when the Site-to-Site Provenance Reporting Task is running and
the file that it is reading from has aged off.
> Provenance Repository occasionally reporting that a prov file is "Not in GZIP
> Format"
> -------------------------------------------------------------------------------------
>
> Key: NIFI-2487
> URL: https://issues.apache.org/jira/browse/NIFI-2487
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Mark Payne
> Fix For: 1.0.0
>
>
> I occasionally see the following stack trace in my logs:
> {code}
> 2016-08-04 16:24:06,653 ERROR [Timer-Driven Process Thread-11]
> o.a.n.p.PersistentProvenanceRepository Failed to read Provenance Event File
> /nifi/0/repos/prov/1/10585433663.prov.gz due to java.util.zip.ZipException:
> Not in GZIP format
> 2016-08-04 16:24:06,668 ERROR [Timer-Driven Process Thread-11]
> o.a.n.p.PersistentProvenanceRepository
> java.util.zip.ZipException: Not in GZIP format
> at java.util.zip.GZIPInputStream.readHeader(GZIPInputStream.java:165)
> ~[na:1.8.0_91]
> at java.util.zip.GZIPInputStream.<init>(GZIPInputStream.java:79)
> ~[na:1.8.0_91]
> at java.util.zip.GZIPInputStream.<init>(GZIPInputStream.java:91)
> ~[na:1.8.0_91]
> at
> org.apache.nifi.provenance.StandardRecordReader.resetStreamForNextBlock(StandardRecordReader.java:151)
> ~[nifi-persistent-provenance-repository-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT]
> at
> org.apache.nifi.provenance.StandardRecordReader.isData(StandardRecordReader.java:438)
> ~[nifi-persistent-provenance-repository-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT]
> at
> org.apache.nifi.provenance.StandardRecordReader.nextRecord(StandardRecordReader.java:273)
> ~[nifi-persistent-provenance-repository-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT]
> at
> org.apache.nifi.provenance.PersistentProvenanceRepository.getEvents(PersistentProvenanceRepository.java:476)
> [nifi-persistent-provenance-repository-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT]
> at
> org.apache.nifi.provenance.PersistentProvenanceRepository.getEvents(PersistentProvenanceRepository.java:448)
> [nifi-persistent-provenance-repository-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT]
> at
> org.apache.nifi.controller.FlowController.getProvenanceEvents(FlowController.java:3984)
> [nifi-framework-core-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT]
> at
> org.apache.nifi.reporting.SiteToSiteProvenanceReportingTask.onTrigger(SiteToSiteProvenanceReportingTask.java:235)
> [nifi-site-to-site-reporting-task-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT]
> at
> org.apache.nifi.controller.tasks.ReportingTaskWrapper.run(ReportingTaskWrapper.java:41)
> [nifi-framework-core-1.0.0-SNAPSHOT.jar:1.0.0-SNAPSHOT]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> [na:1.8.0_91]
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> [na:1.8.0_91]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> [na:1.8.0_91]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> [na:1.8.0_91]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [na:1.8.0_91]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [na:1.8.0_91]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_91]
> {code}
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