Could Not Lock User Prefs Unix Error Code 23
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Could not lock User prefs Websphere; startup; FileSystemPreferences; user prefs; prefs; Could not lock User prefs Technote (troubleshooting) Problem(Abstract) Warning message issued during java.util.prefs.filesystempreferences syncworld the non-root or root startup of WebSphere stating that it can not
Could Not Lock User Prefs. Unix Error Code 24.
lock the user or system preferences. Symptom The following message can be seen in the systemout.log: [9/11/11 18:03:19:921 could not lock system prefs. unix error code 0 EDT] 00000001 prefs W java.util.prefs.FileSystemPreferences syncWorld Couldn't flush user prefs: java.util.prefs.BackingStoreException: Couldn't get file lock. [9/11/11 18:03:49:929 EDT] 00000001 prefs W java.util.prefs.FileSystemPreferences checkLockFile0ErrorCode Could not lock User prefs. Unix error warning: could not lock system prefs. unix error code 7. code 2. Cause The non-root ID that is being used to start WebSphere Application Server does not have a user_home directory. Therefore this non-root ID is unable to access the root user's "/etc/.java/.systemPrefs". This produces the aforementioned warning messages every 30 seconds in the profile_root/logs/server_name/systemout.log. The root ID used to start Websphere Application Server can not find the Java system pref
Warning: Couldn't Create User Preferences Directory. User Preferences Are Unusable.
file. Diagnosing the problem For non-root, you can confirm this issue by trying to start WebSphere using the "root" ID. Review the Websphere_Home/profiles/
Cloud apps, the contents of this article cannot be applied to Atlassian warning: could not create system preferences directory. system preferences are unusable. Cloud applications. Problem The following appears in theatlassian-confluence.log about could not lock user prefs.lock file access denied websphere every 2 milliseconds: 2014-09-28 13:24:33,960 WARN [Timer-10] [java.util.prefs] syncWorld Couldn't flush user prefs: java.util.prefs.BackingStoreException:
Checklockfile0errorcode
Couldn't get file lock. -- referer: https://my.site.com | url: /display/SPACE/my+wiki | userName: username 2014-09-28 13:25:03,958 WARN [Timer-10] [java.util.prefs] checkLockFile0ErrorCode Could not lock User prefs. http://www-01.ibm.com/support/docview.wss?uid=swg21515420 Unix error code 2. -- referer: https://my.site.com | url: /display/SPACE/my+wiki | userName: username 2014-09-28 13:25:03,960 WARN [Timer-10] [java.util.prefs] syncWorld Couldn't flush user prefs: java.util.prefs.BackingStoreException: Couldn't get file lock. -- referer: https://my.site.com | url: /display/SPACE/my+wiki | userName: username 2014-09-28 13:25:33,958 WARN [Timer-10] [java.util.prefs] checkLockFile0ErrorCode Could not lock User https://confluence.atlassian.com/confkb/could-not-lock-user-prefs-unix-error-code-2-670958391.html prefs. Unix error code 2. -- referer: https://my.site.com | url: /display/SPACE/my+wiki | userName: username 2014-09-28 13:25:33,960 WARN [Timer-10] [java.util.prefs] syncWorld Couldn't flush user prefs: java.util.prefs.BackingStoreException: Couldn't get file lock. -- referer: https://my.site.com | url: /display/SPACE/my+wiki | userName: username 2014-09-28 13:26:03,958 WARN [Timer-10] [java.util.prefs] checkLockFile0ErrorCode Could not lock User prefs. Unix error code 2. -- referer: https://my.site.com | url: /display/SPACE/my+wiki | userName: username Cause This occurs when the user being used to run Confluence does not have a writeable home directory (for example: /home/confluenceor~confluencedidn't exist). It is possible for a plugin to use the preferences module, which defaults to write to ~/.confluence/ Resolution Create the confluence user home directory. This is not $CONFLUENCE_HOME, it is the Linux user directory, for example /home/confluence. Make sure the user running Confluence has the proper permissions to access this directory.You may use the
flush user prefs: Couldn't get file lock.Agile Board ExportXMLWordPrintable Details Type: Bug Status: Closed Priority: Minor Resolution: Won't Fix Affects Version/s: 1.7.1 Fix Version/s: None Component/s: None Labels: None Environment: CentOS 5.1, sonatype-work folder running on an NFS share Description Seeing the following in the wrapper.log file: jvm 1 | 2010-07-26 https://issues.sonatype.org/browse/nexus-3671 19:23:49 WARN [Timer-1 ] - java.util.prefs - Could not lock User prefs. Unix error code 2. https://coderanch.com/t/184903/java-developer-OCMJD/certification/JDK-lock-System-prefs jvm 1 | 2010-07-26 19:23:49 WARN [Timer-1 ] - java.util.prefs - Couldn't flush user prefs: java.util.prefs.BackingStoreException: Couldn't get file lock. I'm wondering if this is just a warning or if it is actually an error code and cannot save updates to user preferences. It is likely caused because the underlying FS (NFS) does not support file-level locking. Issue Links relates NEXUS-6360 Consider making could not java prefs store location under sonatype-work/nexus/prefs Closed Activity All Comments Work Log History Activity Ascending order - Click to sort in descending order Hide Permalink Alexander added a comment - 03/29/12 08:34 AM I'm facing the same issue on Debian. Show Alexander added a comment - 03/29/12 08:34 AM I'm facing the same issue on Debian. 9 older comments Hide Permalink Sonatype Support added a comment - 08/20/13 09:46 PM This issue has not been updated for 5 could not lock business days. If you have an update, please use the "Add Comment" action to let us know. If you have no other questions, please close this issue. If no update is received in the next 5 business days, this issue will be automatically closed. Thank you, The Sonatype Support Team Show Sonatype Support added a comment - 08/20/13 09:46 PM This issue has not been updated for 5 business days. If you have an update, please use the "Add Comment" action to let us know. If you have no other questions, please close this issue. If no update is received in the next 5 business days, this issue will be automatically closed. Thank you, The Sonatype Support Team Hide Permalink David Erickson added a comment - 08/20/13 09:50 PM I suspect this is still a problem for those who are running on mounts without locking capability. Is there a reason that the prefs file must support locking when none of the others do? Show David Erickson added a comment - 08/20/13 09:50 PM I suspect this is still a problem for those who are running on mounts without locking capability. Is there a reason that the prefs file must support locking when none of the others do? Hide Permalink Rich Seddon added a comment - 08/20/13 10:09 PM We use the standard Java preferences API store implementation, and in Linux this stores the pr
This Site Careers Other all forums Forum: Developer Certification (OCMJD) JDK1.4 Could not lock System prefs David Chan Ranch Hand Posts: 30 posted 12 years ago My java program work fine in PC. Then, when I try to move it to Unix platform (JDK version: 1.4.0_02) and test the compatibility, it can work properly but shows following error message: Jan 14, 2004 11:28:50 PM java.util.prefs.FileSystemPreferences$2 run WARNING: Could not create system preferences directory. System preferences are unusable. Jan 14, 2004 11:28:58 AM java.util.prefs.FileSystemPreferences checkLockFile0ErrorCode WARNING: Could not lock System prefs.Unix error code 2334152. Jan 14, 2004 11:28:58 AM java.util.prefs.FileSystemPreferences syncWorld WARNING: Couldn't flush system prefs: java.util.prefs.BackingStoreException: Couldn't get file lock. Jan 14, 2004 11:29:28 AM java.util.prefs.FileSystemPreferences checkLockFile0ErrorCode WARNING: Could not lock System prefs.Unix error code 2334152. Jan 14, 2004 11:29:28 AM java.util.prefs.FileSystemPreferences syncWorld WARNING: Couldn't flush system prefs: java.util.prefs.BackingStoreException: Couldn't get file lock. I have solved the problem by creating the missing directories and files under /etc: Directory: /etc/.java/.systemPrefs drwxr-xr-x 2 root other 512 Jan 14 12:26 . drwxr-xr-x 3 root other 512 Jan 14 12:26 .. -rw-r--r-- 1 root other 0 Jan 14 12:26 .system.lock -rw-r--r-- 1 root other 0 Jan 14 12:26 .systemRootModFile 1. Can someone explain what purpose of above 2 files? 2. What APIs are they related to? 3. Should I document this in the installation note? Thank you David Mark Spritzler ranger Sheriff Posts: 17278 6 I like... posted 12 years ago My question is why your code is trying to access System file properties anyway. I don't remember any requirements in the assignment asking for this feature. What code is causing thes