better diagnostics when version storage is broken
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Key: JCR-3085
URL: https://issues.apache.org/jira/browse/JCR-3085
Project: Jackrabbit Content Repository
Issue Type: Improvement
Components: jackrabbit-core
Reporter: Julian Reschke
Assignee: Julian Reschke
In InternalVersionManagerBase, the code doesn't do a null-check on the
predecessors property, assuming it'll always be present. When this is not the
case due to a repository problem, we'll see a NPE.
Proposal: add code that generates a more meaningful error message; making it
easier to debug in production.
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