Marcel Reutegger created OAK-9700:
-------------------------------------
Summary: RevisionGC may fail with NPE
Key: OAK-9700
URL: https://issues.apache.org/jira/browse/OAK-9700
Project: Jackrabbit Oak
Issue Type: Bug
Components: documentmk
Affects Versions: 1.42.0, 1.22.0, 1.8.0
Reporter: Marcel Reutegger
Assignee: Marcel Reutegger
Fix For: 1.44.0
In some rare and strange situation RevisionGC may throw a NullPointerException
when the cache contains a document with an invalid or no id.
The stacktrace looks like the following.
{noformat}
Caused by: java.lang.NullPointerException
at
org.apache.jackrabbit.oak.plugins.document.util.Utils.getDepthFromId(Utils.java:414)
at
org.apache.jackrabbit.oak.plugins.document.NodeDocumentIdComparator.compare(NodeDocumentIdComparator.java:38)
at
org.apache.jackrabbit.oak.plugins.document.NodeDocumentIdComparator.compare(NodeDocumentIdComparator.java:30)
at java.util.TimSort.binarySort(TimSort.java:296)
at java.util.TimSort.sort(TimSort.java:221)
at java.util.Arrays.sort(Arrays.java:1512)
at java.util.ArrayList.sort(ArrayList.java:1464)
at java.util.Collections.sort(Collections.java:177)
at
org.apache.jackrabbit.oak.commons.sort.StringSort.sort(StringSort.java:98)
at
org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector$DeletedDocsGC.ensureSorted(VersionGarbageCollector.java:987)
at
org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector$DeletedDocsGC.access$800(VersionGarbageCollector.java:617)
at
org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector$GCJob.collectDeletedDocuments(VersionGarbageCollector.java:594)
at
org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector$GCJob.gc(VersionGarbageCollector.java:507)
at
org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector$GCJob.run(VersionGarbageCollector.java:476)
at
org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector.gc(VersionGarbageCollector.java:144)
{noformat}
--
This message was sent by Atlassian Jira
(v8.20.1#820001)
