Could Not Lock System Prefs. Unix Error
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Couldn't Flush User Prefs: Java.util.prefs.backingstoreexception: Couldn't Get File Lock.
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Warning: Could Not Lock System Prefs.unix Error Code 7.
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Warning: Could Not Create System Preferences Directory. System Preferences Are Unusable.
multiple jvms (including tomcat) under different users on one linux box. I'm not seeing too many issues, but in catalina.out I keep seeing this: May 30, 2014 1:16:16 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 7626 ms May 30, 2014 1:16:37 PM java.util.prefs.FileSystemPreferences$2 run WARNING: Could not create system preferences directory. System preferences are unusable. May 30, 2014 1:16:55 PM java.util.prefs.FileSystemPreferences checkLockFile0ErrorCode WARNING: Could not lock System prefs. Unix error code -158097957. May 30, 2014 1:16:55 PM java.util.prefs.FileSystemPreferences syncWorld WARNING: Couldn't flush system prefs: java.util.prefs.BackingStoreException: Couldn't get file lock. I did some digging/reading and deduced the following: An administrator with root access must create the system preferences directory /etc/.java/.systemPrefs with drwxr-xr-x access. Java's looking for /etc/.java/.systemPrefs/.system.lock and /etc/.java/.systemPrefs/.systemRootModFile Manually creating the above files (use "touch" to create empty files) and their containing directories should fix. Rights to the files should be 544, right
Could not lock User prefs Websphere; startup; FileSystemPreferences; user prefs; warning: couldn't create user preferences directory. user preferences are unusable. prefs; Could not lock User prefs Technote (troubleshooting) Problem(Abstract)
Checklockfile0errorcode
Warning message issued during the non-root or root startup of WebSphere stating that it can could not lock system prefs. unix error code 6 not lock the user or system preferences. Symptom The following message can be seen in the systemout.log: [9/11/11 18:03:19:921 EDT] 00000001 prefs W java.util.prefs.FileSystemPreferences http://stackoverflow.com/questions/23960451/java-system-preferences-under-different-users-in-linux 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 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 http://www-01.ibm.com/support/docview.wss?uid=swg21515420 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 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/ RepublicDenmarkEcuadorEgyptEstoniaFinlandFranceGermanyGreeceGuatemalaHondurasHong KongHungaryIndiaIndonesiaIraqIrelandIsraelItalyJapanJordanKazakhstanKoreaKuwaitLaosLatviaLebanonLithuaniaMalaysiaMaldivesMaltaMexicoMoldovaNepalNetherlandsNew ZealandNicaraguaNorwayOmanPakistanPanamaParaguayPeruPhilippinesPolandPortugalPuerto RicoQatarRomaniaRussiaSaudi ArabiaSerbia & MontenegroSingaporeSlovakiaSloveniaSouth AfricaSpainSri LankaSwedenSwitzerland -- FrenchSwitzerland -- GermanTaiwanThailandTurkeyUkraineUnited Arab EmiratesUnited KingdomUnited StatesUruguayVenezuelaVietnamYemen Communities Social Applications Oracle http://bugs.java.com/bugdatabase/view_bug.do?bug_id=4726579 Mix Oracle Blogs Oracle Wiki Oracle on Facebook Oracle on Twitter Networks Oracle ACEs Oracle PartnerNetwork Oracle Technology Network Knowledge Base Oracle User Groups Oracle Discussion Forums Support My Oracle Support Community I am a... could not Java Developer Database Admins and Developers System Admins and Developers Architect C-Level Executives Chief Financial Officer (CFO) Chief Information Officer (CIO) Other Roles Analyst Investor Job Seeker Partner PeopleSoft Customer Siebel Customer Sun Customer Student could not lock Midsize Company I want to... Support Create or Update Service Request Search Support Knowledge Database Download Patches Education Find Oracle University Training Choose an Oracle Certification Path Partner Find a Partner Solution Access Software and Technical Support Attend a Partner-Only Event Attend Training Download Logos Manage Solutions Catalog Other Tasks Purchase Oracle Products Online Browse Oracle Documentation Search Oracle Documentation Check Oracle Earnings Check Oracle Price Lists Download Oracle Software Find an Oracle ACE View Oracle Benchmarks Filters: All Bugs.java.com Blogs Corporate Site Discussion Forums Documentation Training PartnerNetwork Technology Network Products and Services Products Oracle Database Enterprise Manager Oracle Fusion Middleware Oracle Application