Stefan Egli created OAK-9567:
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Summary: Avoid NullPointerException in
ReadWriteVersionManager.removeVersion
Key: OAK-9567
URL: https://issues.apache.org/jira/browse/OAK-9567
Project: Jackrabbit Oak
Issue Type: Improvement
Components: core
Reporter: Stefan Egli
Assignee: Stefan Egli
On occasion the following NullPointerException can be witnessed:
{noformat}
java.lang.NullPointerException: null
at
org.apache.jackrabbit.oak.plugins.version.ReadWriteVersionManager.removeVersion(ReadWriteVersionManager.java:208)
at
org.apache.jackrabbit.oak.plugins.version.VersionStorageEditor.childNodeDeleted(VersionStorageEditor.java:122)
{noformat}
This points to some inconsistency wrt {{jcr:predecessors}} and
{{jcr:successors}}.
As a minimal step we should avoid the null pointer and add more logging - to
help ultimately track down what causes the inconsistency.
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