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From Michael Dürig (JIRA) <j...@apache.org>
Subject [jira] [Commented] (OAK-2334) Inspect any revision with SegmentMK explorer
Date Sat, 13 Dec 2014 15:38:13 GMT

    [ https://issues.apache.org/jira/browse/OAK-2334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14245385#comment-14245385
] 

Michael Dürig commented on OAK-2334:
------------------------------------

Just run of a segment store than has been compacted. The journal will then contain revisions
that are no longer available.

{noformat}
Exception in thread "AWT-EventQueue-0" org.apache.jackrabbit.oak.plugins.segment.SegmentNotFoundException:
Segment afdb922d-ba53-4a1b-aa1b-1cb044b535cf not found
	at org.apache.jackrabbit.oak.plugins.segment.file.FileStore.readSegment(FileStore.java:672)
	at org.apache.jackrabbit.oak.plugins.segment.SegmentTracker.getSegment(SegmentTracker.java:119)
	at org.apache.jackrabbit.oak.plugins.segment.SegmentId.getSegment(SegmentId.java:104)
	at org.apache.jackrabbit.oak.plugins.segment.Record.getSegment(Record.java:82)
	at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState.getTemplate(SegmentNodeState.java:78)
	at org.apache.jackrabbit.oak.plugins.segment.SegmentNodeState.getChildNodeNames(SegmentNodeState.java:360)
	at org.apache.jackrabbit.oak.explorer.NodeStoreTree.exploreSize(NodeStoreTree.java:694)
	at org.apache.jackrabbit.oak.explorer.NodeStoreTree.access$000(NodeStoreTree.java:69)
	at org.apache.jackrabbit.oak.explorer.NodeStoreTree$NamePathModel.<init>(NodeStoreTree.java:608)
	at org.apache.jackrabbit.oak.explorer.NodeStoreTree.refreshModel(NodeStoreTree.java:112)
	at org.apache.jackrabbit.oak.explorer.NodeStoreTree.revert(NodeStoreTree.java:583)
	at org.apache.jackrabbit.oak.explorer.Explorer$3.actionPerformed(Explorer.java:166)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
	at javax.swing.AbstractButton.doClick(AbstractButton.java:376)
	at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:833)
	at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877)
	at java.awt.Component.processMouseEvent(Component.java:6505)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3320)
	at java.awt.Component.processEvent(Component.java:6270)
	at java.awt.Container.processEvent(Container.java:2229)
	at java.awt.Component.dispatchEventImpl(Component.java:4861)
	at java.awt.Container.dispatchEventImpl(Container.java:2287)
	at java.awt.Component.dispatchEvent(Component.java:4687)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
	at java.awt.Container.dispatchEventImpl(Container.java:2273)
	at java.awt.Window.dispatchEventImpl(Window.java:2719)
	at java.awt.Component.dispatchEvent(Component.java:4687)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:735)
	at java.awt.EventQueue.access$200(EventQueue.java:103)
	at java.awt.EventQueue$3.run(EventQueue.java:694)
	at java.awt.EventQueue$3.run(EventQueue.java:692)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
	at java.awt.EventQueue$4.run(EventQueue.java:708)
	at java.awt.EventQueue$4.run(EventQueue.java:706)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:705)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
{noformat}

> Inspect any revision with SegmentMK explorer
> --------------------------------------------
>
>                 Key: OAK-2334
>                 URL: https://issues.apache.org/jira/browse/OAK-2334
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: run, segmentmk
>            Reporter: Michael Dürig
>            Assignee: Alex Parvulescu
>            Priority: Minor
>         Attachments: OAK-2334.patch
>
>
> It would be nice if the SegmentMK explore would have an option to also inspect other
revisions, not only the head revision. 
> OAK-2323 introduced the {{ReadOnlyStore}}, which has a {{setRevision}} method. If we
switch the SegmentMK explorer to use this, switching between revisions should be relatively
easy to implement. 



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