ORA-02049: TIMEOUT: DISTRIBUTED TRANSACTION WAITING FOR LOCK
SYMPTOMS An application reports about multiple errors ORA-02049: timeout: distributed transaction waiting for lock in the application’s log file. RELATED A BLOCKING SESSION ORA-00060: DEADLOCK DETECTED WHILE WAITING FOR RESOURCE DIAGNOSE The error occurs when a session is trying to…
WHY MY DATABASE HAS SO MANY PROCESSES CONNECTED
REQUEST An instance has reached the maximum number of processes. I want to know why I have so many and if there is any to be disconnected safely. DETAILS The following query shows that my instance has almost reached the number of permited…
EM Event: Warning:ORCL_dbpilot.net – Metrics Process Limit % is at 98
SYMPTOMS Oracle Enterprise Manager Cloud Control 13c Release 3 (13.3.0.0.0) sends you emails like the EM Event: Warning:ORCL_dbpilot.net – Metrics Process Limit % is at 98 with the following error messages Host=dbpilot.net Target type=Database Instance Target name=ORCL_dbpilot.net Categories=Capacity Message=Metrics Process Limit % is at…
ORA-01031 WHEN CONNECTING TO ORACLE 12C WITH TOAD 11.6
ISSUE A user cannot connect to Oracle Database 12c with Toad. He gets ORA-01031: insufficient privileges every time when attempting to connect. REASON In 12c release an access to SYS.USER$ table has been restricted. SOLUTION The issue only related to TOAD of…
ORA-1555: SNAPSHOT TOO OLD DUE TO CORRUPTED LOBS
QUESTIONS During schema(s) export or querying a table containing a clob column I recieve the following error ORA-01555: snapshot too old: rollback segment number with name “” too small SOLUTION Usually the ORA-01555 error is related either to the undo retention and the…
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