No Wait Error In Oracle
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Sign up ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired up vote 88 down vote favorite 19 Why am I getting this database error when I update a table? ERROR at line 1: ORA-00054: resource busy and acquire ora-00054 resource busy and acquire with nowait specified or timeout expired create index with NOWAIT specified or timeout expired oracle ora-00054 share|improve this question edited Aug 6 '13 at 12:24 Josep 1472214 asked Jan 30 '11 at 11:59 sun 4641413 12 It generally helps if you post the statement that leads to the error –Gary Myers Jan 30 '11 at 21:48 add a comment| 13 Answers 13 active oldest votes up vote 101 down vote accepted Your table is already locked by some query. Like you have executed "select for update" and has yet not gv$access oracle committed/rollback and again fired select query. Do a commit/rollback before executing your query. share|improve this answer answered Jan 30 '11 at 12:02 user258367 1,29211013 29 I'd add 'in another session' to that. One common scenario is that you've tested the update in a tool, say SQL Developer or Toad, and have then tried to run it somewhere else while the first session still holds the lock. So you need to commit/rollback the other session before you can run the update again. –Alex Poole Jan 30 '11 at 16:36 1 Most likely DML (insert/delete/update) rather than a query. And in another session. Just because the guy who asked seems to be a newbie the answer may be correct. But you CANNOT commit in behalf of other users in a production system. If add to your answer I'll remove the downvote. –Arturo Hernandez Jul 15 '13 at 19:17 2 Well, what made me having that problem was in Toad: A colleague was in the same table as i were when i wanted to delete a row, and so i couldnt delete it. When he switched to another table i was able to delete rows. It maybe help someone out there. But this is only if you work with Toad inside the tables, and not for querys. –DatRid Oct 4 '13 at 9:23 recently occured on our staging server (Spring application on WebSphere). Solution was to separate the "monolithic" database update script into sm
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Next Generation AP Automation & Dynamic Discounting Oracle WebCenter Contract Lifecycle Management (CLM) Search ORA-00054: resource busy and acquire with NOWAIT specified or timeout expiredYou are here: Home http://stackoverflow.com/questions/4842765/ora-00054-resource-busy-and-acquire-with-nowait-specified-or-timeout-expired / Resources / ORA-00054: resource busy and acquire with NOWAIT specified or timeout ... ORA-00054 Error Message Error ORA-00054 is a commonly seen error by Oracle users and occurs when a user tries to execute a LOCK TABLE or SELECT FOR UPDATE command with the NOWAIT keyword when the resource is unavailable. DDL or DML operations https://www.tekstream.com/resources/ora-00054-resource-busy-or-timeout-expired/ are being run concurrently without proper commits. In most cases, Error ORA-00054? occurs from a session. Any session that has referenced the table and any structural change attempt, such as adding a column, requires an “exclusive" lock. There are several options for tables or views to see locks and specific information about the locks: DBA_BLOCKERS: Shows non-waiting sessions holding locks being waited on DBA_DDL_LOCKS: Shows all DDL locks held or being requested DBA_DML_LOCKS: Shows all DML locks held or being requested DBA_LOCK_INTERNAL: Displays 1 row for every lock/latch held or being requested with the username of who is holding lock DBA_LOCKS: Shows all locks/latches held or being requested DBA_WAITERS: Shows all sessions waiting on but not holding waited for locks The first step the user should take in fixing this error is to wait a few minutes, then try the command again. This simple step may solve the problem. If this does not work, identify the database session locking the object and kill this
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