Denes Arvay created NIFI-8017:
---------------------------------
Summary: NPEx at org.apache.nifi.provenance.index.lucene.
IndexDirectoryManager:486
Key: NIFI-8017
URL: https://issues.apache.org/jira/browse/NIFI-8017
Project: Apache NiFi
Issue Type: Bug
Reporter: Denes Arvay
Assignee: Denes Arvay
When upgrading to NiFi 1.10 I bumped into the following exception that blocks
the Lucene index migration to successfully run:
{code:java}
o.a.n.p.index.lucene.MigrateDefunctIndex Failed to migrate event index
/data/disk6/nifi/provenance_repository/index-1600074261043 to
/data/disk6/nifi/provenance_repository/temp-lucene-8-index-1600074261043 after
successfully re-indexing 0 events
java.lang.NullPointerException: null
at
org.apache.nifi.provenance.index.lucene.IndexDirectoryManager.isParent(IndexDirectoryManager.java:486)
at
org.apache.nifi.provenance.index.lucene.IndexDirectoryManager.isParent(IndexDirectoryManager.java:491)
at
org.apache.nifi.provenance.index.lucene.IndexDirectoryManager.isParent(IndexDirectoryManager.java:491)
at
org.apache.nifi.provenance.index.lucene.IndexDirectoryManager.isParent(IndexDirectoryManager.java:491)
at
org.apache.nifi.provenance.index.lucene.IndexDirectoryManager.isParent(IndexDirectoryManager.java:491)
at
org.apache.nifi.provenance.index.lucene.IndexDirectoryManager.isParent(IndexDirectoryManager.java:491)
at
org.apache.nifi.provenance.index.lucene.IndexDirectoryManager.isParent(IndexDirectoryManager.java:491)
at
org.apache.nifi.provenance.index.lucene.IndexDirectoryManager.getPartitionName(IndexDirectoryManager.java:477)
at
org.apache.nifi.provenance.index.lucene.IndexDirectoryManager.insertIndexDirectory(IndexDirectoryManager.java:461)
at
org.apache.nifi.provenance.index.lucene.IndexDirectoryManager.replaceDirectory(IndexDirectoryManager.java:438)
at
org.apache.nifi.provenance.index.lucene.MigrateDefunctIndex.run(MigrateDefunctIndex.java:86)
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:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748) {code}
It seems that a null check is missing at [1]
[1]
[https://github.com/apache/nifi/blob/main/nifi-nar-bundles/nifi-provenance-repository-bundle/nifi-persistent-provenance-repository/src/main/java/org/apache/nifi/provenance/index/lucene/IndexDirectoryManager.java#L486]
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