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How do I fix Ora 03113 End of communication channel?

How do I fix Ora 03113 End of communication channel?

Solution 3:

  1. Startup the instance in nomount: SQL> startup nomount.
  2. Open database into mount state: alter database mount;
  3. Clear the redo log files having issue due to power failure or unclean shutdown of database. SQL> alter database clear unarchived logfile group 1;
  4. Shutdown the database and open it.

What is end of file on communication channel?

Purpose. An ORA-3113 “end of file on communication channel” error is a general error usually reported by a client process connected to an Oracle database. The error basically means ‘I cannot communicate with the Oracle shadow process’.

How do I fix ORA 12545 error?

Resolving ORA-12545:

  1. Verify the TNSNAMES.ORA Entry and validate Host Name.
  2. Test Connectivity to the HOST by.
  3. Use IP instead of HOST Name in ADDRESS (HOST) of TNSNAMES.
  4. If you are able to reach HOST, validate Oracle and Listener exist and are running.

How do I fix my ORA 00600?

Resolved ORA-00600: internal error code, arguments:

  1. Run SQL Plus command Line.
  2. STEP 2: Shut down the database and startup in mount state.
  3. STEP 3: Take backup of control file manually at os level using cp or copy command.
  4. STEP 4: Check the Current Logfile.
  5. STEP 5: Shutdown the DB and startup in Mount state.

How do you fix Ora 27101?

Basically, to resolve ORA-27101, Once ORACLE_HOME and ORACLE_SID are correct, and then attempt to start SQL*Plus.

Where is Tnsnames Ora file located?

ORACLE_HOME/network/admin directory
By default, the tnsnames. ora file is located in the ORACLE_HOME/network/admin directory.

What is internal error in Oracle?

Error: ORA-00600 Internal error code This is an internal error message for Oracle program exceptions. It indicates that a process has met a low-level, unexpected condition. Various causes of this message include: time-outs. file corruption.