Chetan Mehrotra created OAK-2442:
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Summary: NoSuchElementException thrown by NodeDocument
Key: OAK-2442
URL: https://issues.apache.org/jira/browse/OAK-2442
Project: Jackrabbit Oak
Issue Type: Bug
Components: core
Reporter: Chetan Mehrotra
Fix For: 1.1.6, 1.0.11
Following error is seen with latest 1.0.9-SNAPSHOT builds on some system
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Caused by: java.util.NoSuchElementException: null
at java.util.TreeMap.key(TreeMap.java:1221)
at java.util.TreeMap.firstKey(TreeMap.java:285)
at
java.util.Collections$UnmodifiableSortedMap.firstKey(Collections.java:1549)
at
com.google.common.collect.ForwardingSortedMap.firstKey(ForwardingSortedMap.java:73)
at
org.apache.jackrabbit.oak.plugins.document.NodeDocument.getNodeAtRevision(NodeDocument.java:819)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.readNode(DocumentNodeStore.java:930)
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Most likely the above occurs because a {{TreeMap}} associated with some key in
NodeDocument is empty.
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23.01.2015 01:57:23.308 *WARN*
[pool-11-thread-5]org.apache.jackrabbit.oak.plugins.observation.NodeObserver
Error whiledispatching observation
eventscom.google.common.util.concurrent.UncheckedExecutionException:com.google.common.util.concurrent.UncheckedExecutionException:java.util.NoSuchElementException
at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2199)
at com.google.common.cache.LocalCache.get(LocalCache.java:3932)
at
com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4721)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.getChildren(DocumentNodeStore.java:731)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.diffImpl(DocumentNodeStore.java:1666)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.access$200(DocumentNodeStore.java:105)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore$7.call(DocumentNodeStore.java:1260)
at
org.apache.jackrabbit.oak.plugins.document.MongoDiffCache.getChanges(MongoDiffCache.java:88)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.diffChildren(DocumentNodeStore.java:1255)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeState.compareAgainstBaseState(DocumentNodeState.java:260)
at
org.apache.jackrabbit.oak.plugins.observation.EventGenerator$Continuation.run(EventGenerator.java:172)
at
org.apache.jackrabbit.oak.plugins.observation.EventGenerator.generate(EventGenerator.java:118)
at
org.apache.jackrabbit.oak.plugins.observation.NodeObserver.contentChanged(NodeObserver.java:156)
at
org.apache.jackrabbit.oak.spi.commit.BackgroundObserver$1$1.call(BackgroundObserver.java:117)
at
org.apache.jackrabbit.oak.spi.commit.BackgroundObserver$1$1.call(BackgroundObserver.java:111)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Caused by:
com.google.common.util.concurrent.UncheckedExecutionException:java.util.NoSuchElementException
at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2199)
at com.google.common.cache.LocalCache.get(LocalCache.java:3932)
at
com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4721)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.getNode(DocumentNodeStore.java:704)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.readChildren(DocumentNodeStore.java:786)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore$4.call(DocumentNodeStore.java:734)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore$4.call(DocumentNodeStore.java:731)
at
com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4724)
at
com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3522)
at
com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2315)
at
com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2278)
at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2193)
... 18 common frames omitted
Caused by: java.util.NoSuchElementException: null
at java.util.TreeMap.key(TreeMap.java:1221)
at java.util.TreeMap.firstKey(TreeMap.java:285)
at
java.util.Collections$UnmodifiableSortedMap.firstKey(Collections.java:1549)
at
com.google.common.collect.ForwardingSortedMap.firstKey(ForwardingSortedMap.java:73)
at
org.apache.jackrabbit.oak.plugins.document.NodeDocument.getNodeAtRevision(NodeDocument.java:819)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.readNode(DocumentNodeStore.java:930)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore$3.call(DocumentNodeStore.java:707)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore$3.call(DocumentNodeStore.java:704)
at
com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4724)
at
com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3522)
at
com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2315)
at
com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2278)
at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2193)
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