Chetan Mehrotra created OAK-2590:
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Summary: IndexCopier Error occurred while removing deleted files
from Local
Key: OAK-2590
URL: https://issues.apache.org/jira/browse/OAK-2590
Project: Jackrabbit Oak
Issue Type: Improvement
Components: oak-lucene
Reporter: Chetan Mehrotra
Assignee: Chetan Mehrotra
Priority: Minor
Fix For: 1.1.8
Under windows, with copy on read mode enabled for the lucene indexes, following
WARN logs were seen:
{code:java}
03.02.2015 17:40:58.952 *WARN* [pool-5-thread-2]
org.apache.jackrabbit.oak.plugins.index.lucene.IndexCopier Error occurred while
removing deleted files from Local
MMapDirectory@D:\repository\index\e5a943cdec3000bd8ce54924fd2070ab5d1d35b9ecf530963a3583d43bf28293\1
lockFactory=NativeFSLockFactory@D:\repository\index\e5a943cdec3000bd8ce54924fd2070ab5d1d35b9ecf530963a3583d43bf28293\1,
Remote OakDirectory@232fe713
lockFactory=org.apache.lucene.store.NoLockFactory@696097fc
java.io.IOException: Cannot delete
D:\repository\index\e5a943cdec3000bd8ce54924fd2070ab5d1d35b9ecf530963a3583d43bf28293\1\_wq4.cfs
at org.apache.lucene.store.FSDirectory.deleteFile(FSDirectory.java:273)
at
org.apache.jackrabbit.oak.plugins.index.lucene.IndexCopier$CopyOnReadDirectory.removeDeletedFiles(IndexCopier.java:274)
at
org.apache.jackrabbit.oak.plugins.index.lucene.IndexCopier$CopyOnReadDirectory.access$1000(IndexCopier.java:113)
at
org.apache.jackrabbit.oak.plugins.index.lucene.IndexCopier$CopyOnReadDirectory$2.run(IndexCopier.java:247)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
{code}
As the files are memory mapped and the handle is yet not GC its possible that
windows would not allow to delete such file. In such a case the log message
should be improved and possibly have a way where attempt is made to delete such
files later
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