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] -- This message was sent by Atlassian Jira (v8.3.4#803005)