Error
Error Code: ORA-29335

Oracle ORA-29335: Tablespace Not Read Only

📦 Oracle Database
📋

Description

This error indicates that an operation requiring a read-only tablespace was attempted on a tablespace that is not currently in read-only mode. The error occurs when Oracle expects a tablespace to be read-only but finds it is still in read-write mode.
💬

Error Message

tablespace ' string ' is not read only
🔍

Known Causes

3 known causes
⚠️
Tablespace Not Set Read-Only
The tablespace was never explicitly set to read-only mode before the operation was attempted.
⚠️
Accidental Read-Write Mode
The tablespace was previously read-only but was inadvertently switched back to read-write mode.
⚠️
Incorrect Database State
The database may not have been properly started or shut down, leading to an inconsistent tablespace state.
🛠️

Solutions

Coming Soon

Detailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:

General Troubleshooting Tips

  • Check the error message carefully for specific details
  • Review recent changes that might have caused the error
  • Search for the exact error code in the official documentation
  • Check log files for additional context
  • Try restarting the application or service