Could Not Block User Prefs. Unix Error Code 24
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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 could not lock user prefs unix error code 24 websphere issued during the non-root or root startup of WebSphere stating that
Couldn Flush User Prefs Java Util Prefs Backingstoreexception Couldn Get File Lock
it can not lock the user or system preferences. Symptom The following message can be seen in the could not lock user prefs. unix error code 2 systemout.log: [9/11/11 18:03:19:921 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 couldn't flush user prefs: java.util.prefs.backingstoreexception: couldn't get file lock. User prefs. Unix error 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
Could Not Lock System Prefs. Unix Error Code 0
not find the Java system pref 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/
WARNING: Couldn't flush user prefs: java.util.prefs.BackingStoreException: Couldn't get file lock. warning: could not lock system prefs. unix error code 7. Dec 14, 2011 9:29:21 AM java.util.prefs.FileSystemPreferences checkLockFile0ErrorCode WARNING: Could java.util.prefs.filesystempreferences checklockfile0errorcode not lock User prefs. Unix error code 2. Cause This occurs when the
Warning: Couldn't Create User Preferences Directory. User Preferences Are Unusable.
user being used to run aJIRA applicationdoesn't have a writeable home directory (for example: /home/jiraor~jiradidn't exist). It is possible for a plugin http://www-01.ibm.com/support/docview.wss?uid=swg21515420 to use the prefs module, which defaults to write to ~/.jira/ It is possible the home directory was not created as part of the installation as process, as tracked under JRA-33595 - jira installer does not create the jira home directory when it creates the https://confluence.atlassian.com/jirakb/could-not-lock-user-prefs-unix-error-code-2-270829588.html user Resolved . Resolution Create the user home directory. This is not $JIRA_HOME, it is the Linux user directory, for example /home/jira. Make sure the user running JIRA application has the proper permissions to access this direct If changing the permissions didn't have any effect, add the followingJVM parameter:-Djava.util.prefs.userRoot=/
here for a quick overview of the site Help Center Detailed answers to any questions http://stackoverflow.com/questions/3384705/the-application-requester-cannot-establish-the-connection-too-many-open-files you might have Meta Discuss the workings and policies of http://h20435.www2.hp.com/t5/HP-TeamSite/Strange-warning-after-731-gt-732/td-p/285070 this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a could not community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up The application requester cannot establish the connection. (Too many open files) up vote 0 down vote favorite I develop application run in Websphere work manager. work manager is used to run thread in unix error code the webpshere applications erver. Every 5 minutes my thread try to get some data from MySQL database from the different host from the application server machine. When the Host of MySql database turned off, The work manager always try to connect to MySQL database and I know my program will always get exception connection failure. this is the exception: com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception But, over time my program get exception as follows: java.sql.SQLException: The application requester cannot establish the connection. (Too many open files) and this exception make my application server crash: [8/2/10 9:07:21:613 ICT] 00000d54 prefs W Could not lock User prefs. Unix error code 24. [8/2/10 9:07:21:613 ICT] 00000d54 prefs W Couldn't flush user prefs: java.util.prefs.BackingStoreException: Couldn't get file lock. I need suggestion how to fix this problem and prevent my application being crash ???? WorkEnvironment: Operation System AIX Application Server Webpshere 7.0 java mysql hibernate websphere aix share|improve this ques
> HP TeamSite > Strange warning after 731->732 Search the Dev Community CommunityBoardUsers turn on suggestions Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Showing results for Search instead for Do you mean post_question_text.title Post new question Subscribe to RSS Feed Strange warning after 731->732 (180 Views) Reply Reply Topic Options Subscribe to RSS Feed Mark Topic as New Mark Topic as Read Float this Topic to the Top Bookmark Subscribe Printer Friendly Page « Message Listing « Previous Topic Next Topic » nipper N/A Posts: 11,145 Registered: 08-19-2002 Strange warning after 731->732 Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report Inappropriate Content 03-03-2014 09:24 AM From our server.log, Solaris 10 server upgraded 731 to 732. 2014-03-01 15:40:24,017 ERROR [STDERR] Mar 1, 2014 3:40:24 PM java.util.prefs.FileSystemPreferences checkLockFile0ErrorCodeWARNING: Could not lock User prefs. Unix error code 2.2014-03-01 15:40:24,018 ERROR [STDERR] Mar 1, 2014 3:40:24 PM java.util.prefs.FileSystemPreferences syncWorldWARNING: Couldn't flush user prefs: java.util.prefs.BackingStoreException: Couldn't get file lock.Any ideas what this means ? Andy KnippIf it solves your problem, mark it as the solution. Report Inappropriate Content Message 1 of 2 (180 Views) Reply 0 Kudos ISCBorisB N/A Posts: 4,541 Registered: 08-26-2003 Re: Strange warning after 731->732 Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report Inappropriate Content 03-03-2014 10:37 AM From our server.log, Solaris 10 server upgraded 731 to 732. 2014-03-01 15:40:24,017 ERROR [STDERR] Mar 1, 2014 3:40:24 PM java.util.prefs.FileSystemPreferences checkLockFile0ErrorCodeWARNING: Could not lock User prefs. Unix error code 2.2014-03-01 15:40:24,018 ERROR [STDERR] Mar 1, 2014 3:40:24 PM java.util.prefs.FileSystemPreferences syncWorldWARNING: Couldn't flush user prefs: java.util.prefs.BackingStoreException: Couldn't get file lock.Any ideas what this means ?Starting WebSphere Application Server gives warning message - Could not lock User prefs Report Inapp