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Posted to oak-issues@jackrabbit.apache.org by "Alexander Klimetschek (JIRA)" <ji...@apache.org> on 2017/07/17 19:04:00 UTC
[jira] [Created] (OAK-6459) VisibleValidator duplicated in chain
for each hierarchy level
Alexander Klimetschek created OAK-6459:
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Summary: VisibleValidator duplicated in chain for each hierarchy level
Key: OAK-6459
URL: https://issues.apache.org/jira/browse/OAK-6459
Project: Jackrabbit Oak
Issue Type: Improvement
Reporter: Alexander Klimetschek
VisibleValidator gets chained multiple times, while each one working on the same NodeState will run the exact same check, NodeStateUtils.isHidden(name). One execution should be enough.
Below stacktrace has 9 instances chained. Code for propertyAdded as in the stacktrace below in 1.4 is [here|https://github.com/apache/jackrabbit-oak/blob/1.4/oak-core/src/main/java/org/apache/jackrabbit/oak/spi/commit/VisibleValidator.java#L82-L83].
Also found a similar stacktrace in OAK-6358 with 12 instances.
This might be a small optimization to make, especially if there are many properties added, and if there is apparently another variable factor in how many instances there are.
According to [~stillalex]:
This is directly related to the hierarchy level (so if a change is 5 levels deep, you'll see 5 validators chained there) and the short fix is to fix calls [creating new VisibleValidators|https://github.com/apache/jackrabbit-oak/blob/trunk/oak-store-spi/src/main/java/org/apache/jackrabbit/oak/spi/commit/VisibleValidator.java#L44] to unwrap if needed, like [here|https://github.com/apache/jackrabbit-oak/blob/trunk/oak-store-spi/src/main/java/org/apache/jackrabbit/oak/spi/commit/VisibleEditor.java#L38].
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Caused by: org.apache.jackrabbit.oak.api.CommitFailedException: OakAccess0000: Access denied
at org.apache.jackrabbit.oak.security.authorization.permission.PermissionValidator.checkPermissions(PermissionValidator.java:242)
at org.apache.jackrabbit.oak.security.authorization.permission.PermissionValidator.propertyAdded(PermissionValidator.java:112)
at org.apache.jackrabbit.oak.spi.commit.VisibleValidator.propertyAdded(VisibleValidator.java:83)
at org.apache.jackrabbit.oak.spi.commit.VisibleValidator.propertyAdded(VisibleValidator.java:83)
at org.apache.jackrabbit.oak.spi.commit.VisibleValidator.propertyAdded(VisibleValidator.java:83)
at org.apache.jackrabbit.oak.spi.commit.VisibleValidator.propertyAdded(VisibleValidator.java:83)
at org.apache.jackrabbit.oak.spi.commit.VisibleValidator.propertyAdded(VisibleValidator.java:83)
at org.apache.jackrabbit.oak.spi.commit.VisibleValidator.propertyAdded(VisibleValidator.java:83)
at org.apache.jackrabbit.oak.spi.commit.VisibleValidator.propertyAdded(VisibleValidator.java:83)
at org.apache.jackrabbit.oak.spi.commit.VisibleValidator.propertyAdded(VisibleValidator.java:83)
at org.apache.jackrabbit.oak.spi.commit.VisibleValidator.propertyAdded(VisibleValidator.java:83)
at org.apache.jackrabbit.oak.spi.commit.CompositeEditor.propertyAdded(CompositeEditor.java:83)
at org.apache.jackrabbit.oak.spi.commit.EditorDiff.propertyAdded(EditorDiff.java:82)
at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState.compareProperties(SegmentNodeState.java:593)
at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:491)
at org.apache.jackrabbit.oak.spi.commit.EditorDiff.childNodeChanged(EditorDiff.java:148)
at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:531)
at org.apache.jackrabbit.oak.spi.commit.EditorDiff.childNodeChanged(EditorDiff.java:148)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord.compare(MapRecord.java:483)
at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:584)
at org.apache.jackrabbit.oak.spi.commit.EditorDiff.childNodeChanged(EditorDiff.java:148)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord.compare(MapRecord.java:483)
at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:584)
at org.apache.jackrabbit.oak.spi.commit.EditorDiff.childNodeChanged(EditorDiff.java:148)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord.compare(MapRecord.java:483)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord.compareBranch(MapRecord.java:561)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord.compare(MapRecord.java:466)
at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:584)
at org.apache.jackrabbit.oak.spi.commit.EditorDiff.childNodeChanged(EditorDiff.java:148)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord.compare(MapRecord.java:483)
at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:584)
at org.apache.jackrabbit.oak.spi.commit.EditorDiff.childNodeChanged(EditorDiff.java:148)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord.compare(MapRecord.java:483)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord.compareBranch(MapRecord.java:561)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord.compare(MapRecord.java:466)
at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:584)
at org.apache.jackrabbit.oak.spi.commit.EditorDiff.childNodeChanged(EditorDiff.java:148)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord$2.childNodeChanged(MapRecord.java:399)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord$3.childNodeChanged(MapRecord.java:440)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord.compare(MapRecord.java:483)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord.compare(MapRecord.java:432)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord.compare(MapRecord.java:390)
at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:584)
at org.apache.jackrabbit.oak.spi.commit.EditorDiff.childNodeChanged(EditorDiff.java:148)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord.compare(MapRecord.java:414)
at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:584)
at org.apache.jackrabbit.oak.spi.commit.EditorDiff.childNodeChanged(EditorDiff.java:148)
at org.apache.jackrabbit.oak.plugins.segment.MapRecord.compare(MapRecord.java:414)
at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:584)
at org.apache.jackrabbit.oak.spi.commit.EditorDiff.process(EditorDiff.java:52)
at org.apache.jackrabbit.oak.spi.commit.EditorHook.processCommit(EditorHook.java:54)
at org.apache.jackrabbit.oak.spi.commit.CompositeHook.processCommit(CompositeHook.java:61)
at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeStore$Commit.prepare(SegmentNodeStore.java:502)
at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeStore$Commit.optimisticMerge(SegmentNodeStore.java:525)
at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeStore$Commit.execute(SegmentNodeStore.java:581)
at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeStore.merge(SegmentNodeStore.java:238)
at org.apache.jackrabbit.oak.spi.state.ProxyNodeStore.merge(ProxyNodeStore.java:43)
at org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:247)
at org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.commit(SessionDelegate.java:347)
at org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.save(SessionDelegate.java:494)
... 126 common frames omitted
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