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. Starting replication after performing a restore because of an invalid restart sequence number
C.2.2. Replication latency very high
C.2.3. Attempt to write new log record with equal or lower fragno: seqno=3 previous stored fragno=32767 attempted new fragno=-32768
C.2.4. There were issues configuring the sandbox MySQL server
C.2.5. Latency is high: master:ONLINE, progress=41331580333, THL latency=78849.733
C.2.6. Lots of entries added to replicator log
C.2.7. Event application failed: seqno=20725782 fragno=0 message=java.sql.SQLDataException: Data too long for column 'eventid' at row 1
C.2.8. trepctl status hangs
C.2.9. Replicator runs out of memory
C.2.10. Backup agent name not found: xtrabackup-full
C.2.11. element 'mysql_readonly' not found in path
C.2.12. Triggers not firing correctly on slave
C.2.13. Too many open processes or files
C.2.14. ERROR 1010 (HY000) at line 5094506: Error dropping database (can't rmdir './mysql-bin/', errno: 17)
C.2.15. Replicator reports an Out of Memory error
C.2.16. cctrl hangs
C.2.17. ERROR 1580 (HY000) at line 5093787: You cannot 'DROP' a log table if logging is enabled
C.2.18. Replicator fails to connect after updating password
C.2.19. Connector shows errors with " Broken pipe"
C.2.20. MySQL is incorrectly configured
C.2.21. Missing events, or events not extracted correctly
C.2.22. [S1000][unixODBC][MySQL][ODBC 5.3(w) Driver]SSL connection error: unknown error number [ISQL]ERROR: Could not SQLConnect
C.2.23. cctrl reports MANAGER(state=STOPPED)
C.2.24. Unable to update the configuration of an installed directory
C.2.25. ERROR 2013 (HY000) at line 583: Lost connection to MySQL server during query
C.2.26. The master replicator stopped with a JDBC error.
C.2.27. Services requires a reset
C.2.28. Error: could not settle on encryption_client algorithm
C.2.30. pendingExceptionMessage": "Unable to update last commit seqno: Incorrect datetime value: '2016-03-13 02:02:26' for column 'update_timestamp' at row 1
C.2.31. WARN [KeepAliveTimerTask] - Error while sending a KEEP_ALIVE query to connection.
C.2.32. Backup/Restore is not being my host back to normal
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: