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Nifi Data Provenance does show events and keeps searching for Provenance events
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Apache NiFi
Created 03-15-2017 08:47 AM
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Hello,
Apache Nifi doesn't show data Provenance and show status as "Searching provenance events", checked logs it shows the following error.
Any suggestions to resolve the same.
2017-03-15 08:40:06,603 ERROR [Provenance Repository Rollover Thread-2] o.a.n.p.PersistentProvenanceRepository Failed to merge journals. Will try again. journalsToMerge: [./provenance_repository/journals/2642.journal.0, ./provenance_repository/journals/2642.journal.1, ./provenance_repository/journals/2642.journal.2, ./provenance_repository/journals/2642.journal.3, ./provenance_repository/journals/2642.journal.4, ./provenance_repository/journals/2642.journal.5, ./provenance_repository/journals/2642.journal.6, ./provenance_repository/journals/2642.journal.7, ./provenance_repository/journals/2642.journal.8, ./provenance_repository/journals/2642.journal.9, ./provenance_repository/journals/2642.journal.10, ./provenance_repository/journals/2642.journal.11, ./provenance_repository/journals/2642.journal.12, ./provenance_repository/journals/2642.journal.13, ./provenance_repository/journals/2642.journal.14, ./provenance_repository/journals/2642.journal.15], storageDir: ./provenance_repository, cause: java.lang.RuntimeException: java.io.FileNotFoundException: _1g.fdt
2017-03-15 08:40:06,607 ERROR [Provenance Repository Rollover Thread-2] o.a.n.p.PersistentProvenanceRepository
java.lang.RuntimeException: java.io.FileNotFoundException: _1g.fdt
at org.apache.lucene.index.TieredMergePolicy$SegmentByteSizeDescending.compare(TieredMergePolicy.java:258) ~[na:na]
at org.apache.lucene.index.TieredMergePolicy$SegmentByteSizeDescending.compare(TieredMergePolicy.java:238) ~[na:na]
at java.util.TimSort.countRunAndMakeAscending(TimSort.java:355) ~[na:1.8.0_101]
at java.util.TimSort.sort(TimSort.java:234) ~[na:1.8.0_101]
at java.util.Arrays.sort(Arrays.java:1512) ~[na:1.8.0_101]
at java.util.ArrayList.sort(ArrayList.java:1454) ~[na:1.8.0_101]
at java.util.Collections.sort(Collections.java:175) ~[na:1.8.0_101]
at org.apache.lucene.index.TieredMergePolicy.findMerges(TieredMergePolicy.java:292) ~[na:na]
at org.apache.lucene.index.IndexWriter.updatePendingMerges(IndexWriter.java:2020) ~[na:na]
at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:1984) ~[na:na]
at org.apache.lucene.index.IndexWriter.prepareCommitInternal(IndexWriter.java:3029) ~[na:na]
at org.apache.lucene.index.IndexWriter.commitInternal(IndexWriter.java:3134) ~[na:na]
at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:3101) ~[na:na]
at org.apache.nifi.provenance.lucene.SimpleIndexManager.returnIndexWriter(SimpleIndexManager.java:162) ~[na:na]
at org.apache.nifi.provenance.PersistentProvenanceRepository.mergeJournals(PersistentProvenanceRepository.java:1864) ~[na:na]
at org.apache.nifi.provenance.PersistentProvenanceRepository$8.run(PersistentProvenanceRepository.java:1332) ~[na:na]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_101]
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [na:1.8.0_101]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_101]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) [na:1.8.0_101]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_101]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_101]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_101]
Caused by: java.io.FileNotFoundException: _1g.fdt
at org.apache.lucene.store.FSDirectory.fileLength(FSDirectory.java:255) ~[na:na]
at org.apache.lucene.index.SegmentCommitInfo.sizeInBytes(SegmentCommitInfo.java:219) ~[na:na]
at org.apache.lucene.index.MergePolicy.size(MergePolicy.java:478) ~[na:na]
at org.apache.lucene.index.TieredMergePolicy$SegmentByteSizeDescending.compare(TieredMergePolicy.java:248) ~[na:na]
... 22 common frames omitted
Thanks,
Nagesh
Created 03-15-2017 04:04 PM
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Deleted the journal folder and restarted Nifi did solve the issue. Not sure what caused the issue in the first place.
Created 03-15-2017 04:04 PM
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Deleted the journal folder and restarted Nifi did solve the issue. Not sure what caused the issue in the first place.
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