Rishabh Daim created OAK-12204:
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Summary: FullGC: prevent NPE in recommendations when fullGC is
enabled and collect limit is exceeded
Key: OAK-12204
URL: https://issues.apache.org/jira/browse/OAK-12204
Project: Jackrabbit Oak
Issue Type: Bug
Reporter: Rishabh Daim
Assignee: Rishabh Daim
Stack Trace
{color:#1a1c1f}06.05.2026 15:39:54.450 *WARN*
[sling-oak-5-org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreService{color}{color:#1a1c1f}${color}{color:#1a1c1f}RevisionGCJob{color}{color:#1a1c1f}]
org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector Error
occurred while executing the Version Garbage Collector
java.lang.NullPointerException: null at
java.base/java.util.Objects.requireNonNull(Objects.java:233) at
java.base/java.util.ImmutableCollections{color}{color:#1a1c1f}${color}{color:#1a1c1f}MapN{color}{color:#1a1c1f}.<init>(ImmutableCollections.java:1193)
at java.base/java.util.Map.of(Map.java:1385) at
org.apache.jackrabbit.oak.plugins.document.VersionGCRecommendations.evaluate(VersionGCRecommendations.java:319)
[org.apache.jackrabbit.oak-store-document:2.0.0.T20260429114506-681e702] at
org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector{color}{color:#1a1c1f}${color}{color:#1a1c1f}GCJob{color}{color:#1a1c1f}.gc(VersionGarbageCollector.java:939)
[org.apache.jackrabbit.oak-store-document:2.0.0.T20260429114506-681e702] at
org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector{color}{color:#1a1c1f}${color}{color:#1a1c1f}GCJob{color}{color:#1a1c1f}.run(VersionGarbageCollector.java:873)
[org.apache.jackrabbit.oak-store-document:2.0.0.T20260429114506-681e702] at
org.apache.jackrabbit.oak.plugins.document.VersionGarbageCollector.gc(VersionGarbageCollector.java:425)
[org.apache.jackrabbit.oak-store-document:2.0.0.T20260429114506-681e702] at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreService{color}{color:#1a1c1f}${color}{color:#1a1c1f}RevisionGCJob{color}{color:#1a1c1f}.run(DocumentNodeStoreService.java:1105)
[org.apache.jackrabbit.oak-store-document:2.0.0.T20260429114506-681e702] at
org.apache.sling.commons.scheduler.impl.QuartzJobExecutor.execute(QuartzJobExecutor.java:349)
[org.apache.sling.commons.scheduler:2.7.14] at
org.quartz.core.JobRunShell.run(JobRunShell.java:202)
[org.apache.sling.commons.scheduler:2.7.14] at
org.apache.sling.commons.scheduler.impl.QuartzThreadPool.lambda{color}{color:#1a1c1f}${color}{color:#1a1c1f}runInThread{color}{color:#1a1c1f}$0(QuartzThreadPool.java:83)
[org.apache.sling.commons.scheduler:2.7.14] at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
at
java.base/java.util.concurrent.ThreadPoolExecutor{color}{color:#1a1c1f}${color}{color:#1a1c1f}Worker{color}{color:#1a1c1f}.run(ThreadPoolExecutor.java:642)
at java.base/java.lang.Thread.run(Thread.java:1583){color}
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