Appendix C. Troubleshooting

Table of Contents

C.1. Contacting Support
C.1.1. Support Request Procedure
C.1.2. Creating a Support Account
C.1.3. Generating Diagnostic Information
C.1.4. Open a Support Ticket
C.1.5. Open a Support Ticket via Email
C.1.6. Getting Updates for all Company Support Tickets
C.1.7. Support Severity Level Definitions
C.2. Error/Cause/Solution
C.2.1. MySQL is incorrectly configured
C.2.2. cctrl hangs
C.2.3. Event application failed: seqno=20725782 fragno=0 message=java.sql.SQLDataException: Data too long for column 'eventid' at row 1
C.2.4. WARN [KeepAliveTimerTask] - Error while sending a KEEP_ALIVE query to connection.
C.2.5. Starting replication after performing a restore because of an invalid restart sequence number
C.2.6. trepctl status hangs
C.2.7. Too many open processes or files
C.2.8. Replicator fails to connect after updating password
C.2.9. Unable to update the configuration of an installed directory
C.2.10. Error: could not settle on encryption_client algorithm
C.2.11. element 'mysql_readonly' not found in path
C.2.12. cctrl reports MANAGER(state=STOPPED)
C.2.13. ORA-00257: ARCHIVER ERROR. CONNECT INTERNAL ONLY, UNTIL FREED
C.2.14. Backup agent name not found: xtrabackup-full
C.2.15. There were issues configuring the sandbox MySQL server
C.2.16. Backup/Restore is not being my host back to normal
C.2.17. Replication latency very high
C.2.18. ERROR 1580 (HY000) at line 5093787: You cannot 'DROP' a log table if logging is enabled
C.2.19. pendingExceptionMessage": "Unable to update last commit seqno: Incorrect datetime value: '2016-03-13 02:02:26' for column 'update_timestamp' at row 1
C.2.20. Triggers not firing correctly on slave
C.2.21. Attempt to write new log record with equal or lower fragno: seqno=3 previous stored fragno=32767 attempted new fragno=-32768
C.2.22. Missing events, or events not extracted correctly
C.2.23. ERROR 2013 (HY000) at line 583: Lost connection to MySQL server during query
C.2.24. Replicator runs out of memory
C.2.25. Connector shows errors with "java.net.SocketException: Broken pipe"
C.2.26. Latency is high: master:ONLINE, progress=41331580333, THL latency=78849.733
C.2.27. Lots of entries added to replicator log
C.2.28. The master replicator stopped with a JDBC error.
C.2.29. Services requires a reset
C.2.30. ERROR 1010 (HY000) at line 5094506: Error dropping database (can't rmdir './mysql-bin/', errno: 17)
C.2.31. [S1000][unixODBC][MySQL][ODBC 5.3(w) Driver]SSL connection error: unknown error number [ISQL]ERROR: Could not SQLConnect
C.2.32. Replicator reports an Out of Memory error
C.3. Known Issues
C.3.1. Triggers
C.4. Troubleshooting Timeouts
C.5. Troubleshooting Backups
C.6. Running Out of Diskspace
C.7. Troubleshooting SSH and tpm
C.8. Troubleshooting Data Differences
C.8.1. Identify Structural Differences
C.8.2. Identify Data Differences
C.9. Comparing Table Data
C.10. Troubleshooting Memory Usage

The following sections contain both general and specific help for identifying, troubleshooting and resolving problems. Key sections include: