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https://issues.apache.org/jira/browse/OAK-946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13764023#comment-13764023
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Chetan Mehrotra edited comment on OAK-946 at 9/11/13 5:58 AM:
--------------------------------------------------------------
This patch enables logging of major JCR operations being performed like Node
added, property changed etc).
If *DEBUG* level logging is enabled for
*{{org.apache.jackrabbit.oak.jcr.operations}}* then the operation details would
be logged
Following is the output of running the CRUD test
{noformat}
11:20:12.175 DEBUG [main] SessionDelegate.java:437 session-2 Adding
node [hello]
11:20:12.189 DEBUG [main] SessionDelegate.java:437 session-2 Setting
property [/hello/world]
11:20:12.191 DEBUG [main] SessionDelegate.java:437 session-2 Session
saved
11:20:12.199 DEBUG [main] SessionDelegate.java:437 session-2 Setting
property [/hello/world]
11:20:12.199 DEBUG [main] SessionDelegate.java:437 session-2 Session
saved
11:20:12.205 DEBUG [main] SessionDelegate.java:437 session-2 Removing
node [/hello]
11:20:12.205 DEBUG [main] SessionDelegate.java:437 session-2 Session
saved
{noformat}
For now it does not provide what value the property is being set. If required
we can add such details later.
Such logs simplify debugging conflict related exceptions as one can see
operations per session.
was (Author: chetanm):
This patch enables logging of major JCR operations being performed like
Node added, property changed etc).
If DEBUG level logging is enabled for
{{org.apache.jackrabbit.oak.jcr.operations}}then the operation details would be
logged
Following is the output of running the CRUD test
{noformat}
11:20:12.175 DEBUG [main] SessionDelegate.java:437 session-2 Adding
node [hello]
11:20:12.189 DEBUG [main] SessionDelegate.java:437 session-2 Setting
property [/hello/world]
11:20:12.191 DEBUG [main] SessionDelegate.java:437 session-2 Session
saved
11:20:12.199 DEBUG [main] SessionDelegate.java:437 session-2 Setting
property [/hello/world]
11:20:12.199 DEBUG [main] SessionDelegate.java:437 session-2 Session
saved
11:20:12.205 DEBUG [main] SessionDelegate.java:437 session-2 Removing
node [/hello]
11:20:12.205 DEBUG [main] SessionDelegate.java:437 session-2 Session
saved
{noformat}
Such logs simplify debugging conflict related exceptions as one can see
operations per session
> Improve support for debugging Oak
> ---------------------------------
>
> Key: OAK-946
> URL: https://issues.apache.org/jira/browse/OAK-946
> Project: Jackrabbit Oak
> Issue Type: Task
> Components: core, jcr
> Affects Versions: 0.8
> Reporter: Chetan Mehrotra
> Assignee: Chetan Mehrotra
> Priority: Minor
> Attachments: OAK-946-2.patch, OAK-946.patch
>
>
> To simplify diagnosing Oak related issues and also runtime debugging we
> should have some inbuilt support in Oak
> * Way to uniquely identify session, ContentSession and SessionDelegate
> * Look into possibility of exposing session as SLF4j Marker [1] instance
> while logging
> [1]
> http://stackoverflow.com/questions/4165558/best-practices-for-using-markers-in-slf4j-logback
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