1. Performance Issues

Slow Process Instance Creation

• Symptoms
• Process instances take longer than expected to start
• High CPU usage during instance creation
• Timeouts during heavy loads
• Solutions
• Optimize database indexes for Process Instance (PI) tables
• Increase the JVM heap size if resources allow
• Review and optimize any custom JavaScript in coach views
• Check for and remove unnecessary service calls in process initialization
• Configure proper connection pool settings

Coach View Performance

• Symptoms
• Slow loading of coach views
• Browser memory issues
• High client-side CPU usage
• Solutions
• Minimize the use of complex TWX patterns
• Implement pagination for large data sets
• Use lightweight service calls
• Optimize JavaScript event handlers
• Remove unnecessary bindings and watchers

2. Database Related Issues

Database Growth

• Symptoms
• Increasing storage consumption
• Slower query performance
• Backup failures due to size
• Solutions
• Implement proper archival strategy
• Regular pruning of completed process instances
• Configure retention policies
• Use proper indexing strategy
• Regular database maintenance and optimization

Deadlocks

• Symptoms
• Process instances stuck in “Running” state
• Database timeout errors
• Lock wait timeout exceeded errors
• Solutions
• Review and optimize database isolation levels
• Implement proper error handling for deadlock scenarios
• Configure deadlock retry mechanisms
• Monitor and tune database parameters

3. Integration Issues

REST Service Failures

• Symptoms
• Timeout errors in service calls
• Connection refused errors
• SSL certificate issues
• Solutions
• Implement proper timeout settings
• Configure SSL certificates correctly
• Use proper error handling in service integration
• Implement retry mechanisms
• Monitor service response times

LDAP Authentication Issues

• Symptoms
• Users unable to log in
• Slow authentication
• Group membership problems
• Solutions
• Verify LDAP configuration
• Check network connectivity to LDAP server
• Review and update LDAP filters
• Monitor LDAP cache settings
• Implement fallback authentication

4. Deployment Issues

Snapshot Deployment Failures

• Symptoms
• Error during snapshot deployment
• Process versions not updating
• Inconsistent behavior across environments
• Solutions
• Clear process application cache
• Verify deployment settings
• Check for dependency conflicts
• Review deployment security settings
• Ensure proper snapshot naming conventions

Environment Synchronization Problems

• Symptoms
• Different behavior across environments
• Missing or incorrect configurations
• Service integration failures
• Solutions
• Use toolkit for environment variables
• Implement proper configuration management
• Document environment-specific settings
• Regular environment validation checks

5. User Interface Issues

Browser Compatibility

• Symptoms
• Coach views not rendering properly
• JavaScript errors in specific browsers
• Layout inconsistencies
• Solutions
• Test across supported browsers
• Use browser-compatible JavaScript
• Implement proper CSS fallbacks
• Regular testing in different browser versions

Session Management

• Symptoms
• Unexpected logouts
• Session timeout issues
• Multiple session conflicts
• Solutions
• Configure proper session timeout values
• Implement session warning notifications
• Handle session expiration gracefully
• Monitor session pool settings

6. Monitoring and Logging

Log Management

• Symptoms
• Missing error information
• Excessive log size
• Performance impact from logging
• Solutions
• Configure appropriate log levels
• Implement log rotation
• Use proper logging categories
• Regular log analysis and cleanup

Performance Monitoring

• Symptoms
• Lack of visibility into system health
• Delayed issue detection
• Resource utilization problems
• Solutions
• Configure Performance Data Warehouse
• Set up monitoring dashboards
• Implement alerting mechanisms
• Regular performance baseline reviews

Best Practices for Prevention

Regular Maintenance

• Schedule regular database maintenance
• Monitor system resources
• Review and update configurations
• Perform regular backups
• Test disaster recovery procedures

Development Guidelines

• Follow IBM BAW best practices
• Implement proper error handling
• Use standardized naming conventions
• Document customizations
• Regular code reviews

Environment Management

• Maintain consistent configurations
• Regular security updates
• Monitor system health
• Document environment changes
• Regular testing cycles

Training and Documentation

• Provide user training
• Maintain updated documentation
• Document troubleshooting procedures
• Regular knowledge sharing sessions

Remember to always check IBM’s official documentation and support portal for the latest updates and solutions to known issues. Many issues can be prevented through proper planning and following best practices during implementation.