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https://issues.apache.org/jira/browse/JCR-692?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jukka Zitting resolved JCR-692.
-------------------------------
Resolution: Fixed
Committed the above patch in revision 527813.
> XMLPersistenceManager fails after creating too many directories on linux
> ------------------------------------------------------------------------
>
> Key: JCR-692
> URL: https://issues.apache.org/jira/browse/JCR-692
> Project: Jackrabbit
> Issue Type: Bug
> Components: core
> Affects Versions: 0.9, 1.0, 1.0.1, 1.1, 1.1.1, 1.2.1
> Environment: linux (fedora core 5), ext3 fs, java1.6.0
> Reporter: Ted Leung
> Assigned To: Jukka Zitting
> Priority: Minor
> Fix For: 1.3
>
> Attachments: JCR-692.patch
>
>
> When using the XMLPersistenceManager it creates a bunch of directories in
> jackrabbit/home/version/data. Eventually I reach 32000 directories in the
> data directory and subsequent writes fail.
> I believe this is caused by XMLPersistenceManager.buildNodeFolderPath()
> method where it does
> if (cnt == 4 || cnt == 8) {
> sb.append('/');
> }
> This causes the subdirectories to be 4 characters, 0-f i.e. 16^4 which is
> 65536, if what I'm seeing is correct, on linux ext3, it's limited to 32000
> entries. If the XMLPersistence manager used 2 or 3 characters this should fix
> the problem, or if it were configurable it would also solve this (I think).
> an
> ls jackrabbit/home/version/data | wc -l
> returns
> 32001
> A stack trace for when this happens is as follows :
> Caused by: javax.jcr.RepositoryException: failed to write node state:
> da2cd5d1-9776-4dbe-a42b-842b0134dbfb: failed to write node state:
> da2cd5d1-9776-4dbe-a42b-842b0134dbfb
> at
> org.apache.jackrabbit.core.version.AbstractVersionManager.createVersionHistory(AbstractVersionManager.java:181)
> at
> org.apache.jackrabbit.core.version.VersionManagerImpl$1.run(VersionManagerImpl.java:194)
> at
> org.apache.jackrabbit.core.version.VersionManagerImpl$DynamicESCFactory.doSourced(VersionManagerImpl.java:526)
> at
> org.apache.jackrabbit.core.version.VersionManagerImpl.createVersionHistory(VersionManagerImpl.java:191)
> at
> org.apache.jackrabbit.core.version.XAVersionManager.createVersionHistory(XAVersionManager.java:140)
> at
> org.apache.jackrabbit.core.ItemImpl.initVersionHistories(ItemImpl.java:754)
> at org.apache.jackrabbit.core.ItemImpl.save(ItemImpl.java:1166)
> at org.apache.jackrabbit.core.SessionImpl.save(SessionImpl.java:805)
> ... 166 more
> Caused by: org.apache.jackrabbit.core.state.ItemStateException: failed to
> write node state: da2cd5d1-9776-4dbe-a42b-842b0134dbfb
> at
> org.apache.jackrabbit.core.state.xml.XMLPersistenceManager.store(XMLPersistenceManager.java:579)
> at
> org.apache.jackrabbit.core.state.AbstractPersistenceManager.store(AbstractPersistenceManager.java:66)
> at
> org.apache.jackrabbit.core.state.SharedItemStateManager$Update.end(SharedItemStateManager.java:574)
> at
> org.apache.jackrabbit.core.state.SharedItemStateManager.update(SharedItemStateManager.java:697)
> at
> org.apache.jackrabbit.core.state.LocalItemStateManager.update(LocalItemStateManager.java:315)
> at
> org.apache.jackrabbit.core.state.LocalItemStateManager.update(LocalItemStateManager.java:291)
> at
> org.apache.jackrabbit.core.version.AbstractVersionManager.createVersionHistory(AbstractVersionManager.java:174)
> ... 173 more
> Caused by: org.apache.jackrabbit.core.fs.FileSystemException: failed to
> create folder
> /home/cms/pepsiaccess/jackrabbit/home/version/data/da2c/d5d1/97764dbea42b842b0134dbfb
> at
> org.apache.jackrabbit.core.fs.local.LocalFileSystem.createFolder(LocalFileSystem.java:208)
> at
> org.apache.jackrabbit.core.fs.BasedFileSystem.createFolder(BasedFileSystem.java:99)
> at
> org.apache.jackrabbit.core.fs.FileSystemResource.makeParentDirs(FileSystemResource.java:100)
> at
> org.apache.jackrabbit.core.state.xml.XMLPersistenceManager.store(XMLPersistenceManager.java:517)
> ... 179 more
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