Analyzing OTM Logs and Troubleshooting
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The document provides an analysis and troubleshooting guide for OTM logs by Partha Ghosh, highlighting their uses, advantages, and disadvantages. It outlines how to create, view, and manage different types of logs, including system, user, and web logs, alongside recommendations for logging practices. The document also offers technical tips for troubleshooting issues and details the setup of the explanation viewer for diagnosing business process actions.
Analyzing OTM Logs and Troubleshooting
- 1. OTM SIG 2011 Analyzing OTM Logs and Troubleshooting Partha Ghosh Mavenwire LLC.
- 2. Presenter • Partha Ghosh - Supporting OTM since November, 2000. - GC3 Version 2.6
- 3. Log file uses and advantages • Logs record the time and severity of errors, warnings, and other system events • Logs are useful for monitoring, troubleshooting, and performance analysis • You can add and edit new log files to meet your needs – Create a log file to monitor warning messages generated by a specific user using a certain business process
- 4. Log file disadvantages • Time consuming and cryptic - Going through thousands of lines to find the 2 or 3 that matter. • In the past there was no way to search the log file for ONLY those lines that relate to a user’s business action • It is difficult to get to the log after receiving an error in the UI – Some actions did not provide a direct link to the logs. Therefore, the user had to navigate to the log page, and search for their information
- 5. Where to Create and Modify Logs Go to Configuration and Administration> Power Data->General->Log File
- 6. Types of Logs • Ad Hoc – logging selective business processes like integration, or bulk planning • System – logging events throughout the system • User – logging events pertaining to a specific user • Web – for controlling web server logging.
- 7. How to Create a New Log 1. Give the log a Log ID 2. Specify what type of log 3. Give it a file name 4. Mark the Append and type a Max Size in bytes for the file 5. Check to Turn On the Log 6. Using the Left and Right blue arrow buttons move the log ID’s you want to enable 7. Click Finished
- 8. How to View the Log 1. Under each Manager you can click Process Manager > System to be taken to the screen shown here 2. Enter a date and time From which the log is to begin. The time auto displayed is exactly 120 seconds before you clicked System to view this screen 3. Select the type of Log: 4. Select one or more Severities: 5. Select one or more IDs of business processes to be logged. 6. To find a particular item or name, type the name in the Search For field. This is like a Grep command 7. If you do not want your search to be case sensitive click Ignore Case 8. Each activity in OTM is given a Top Level Process ID. If you know the ID you can constrain logs to just 1 process 9. If needed, change the number Entries per Page to appear in the log. 100 is the default and 1000 is the max. 10. Based on how the Log is configured you can search backup files
- 9. How to View the Log cont’d 1. Save to File allows you to export your log to a text file 2. Max to Save (in KB) is the max export log size. The default is 100kb but max is 5000kb. 3. Click View Results. Or click Reset to enter new values. Notes: Use the Top Level Process to constrain what log content you see. If you do not know your Top Level Process ID use the Search For to find it. You can use the Gid of the object your were working with to search for. Use the Save to file feature and always set Max to Save to 5000. It will guarantee you get as much log as possible.
- 10. Log Results
- 11. Tech Tips • Default Logging recommendations: – Agent – Exception – Glog – Planning – Workflow
- 12. Log Content – Tricks of Trade When troubleshooting an error start at the error and work your way backwards. Many of times the source of the issues can be found near the error. Milestones in the log are separated by the following asterisk lines *************************** • For example, when troubleshooting LTL SMC issues look for “Rexrateware” • Great tool for reading logs and free www.textpad.com/download
- 13. Logging by Issue Type Rating Issues Planning Issues Rating issue require the following logging For issues related to Planning we would like to options enabled: have the following logging options Default logging options plus the following: enabled. • Distance • Multistop • Agent • OrderBundling • Planning • Planning • PlanningDetails • RateEngine • ServiceTime • ServiceTime • Workflow Detailed logging options • WorkflowDetails • Calendar • OrderBundling • Distance • Distance • DistanceDetails • Mutlistop, MultistopDetails • OrderBundling, OrderBundlingDetails • Planning, PlanningDetails • RateEngineDetails, RateEngineDebug • ServiceTime, ServiceTimeDetails
- 14. Logging by Issue Type cont’d Agents and Automated Processing Issues Log Details Issues related to agents or automated The below embedded document contains a list processes would require the following of logging options and its definition. logging options enabled * From Oracle OTM Help • Agent • Events • EventsDetails • Lifetime • Status • Workflow • WorkflowDetails
- 15. Other Logging Features Other OTM Default Logs: Integration – Records events related to the integration of data, via XML schemas, between the database and external systems
- 16. Explanation Viewer • Displays a hierarchical tree view of all issues associated with an explanation • Tree view can expand/collapse issues • Ability to view summary information or drill down further into the stack trace • Diagnostics are available for advanced users, similar to the current Exception Viewer • All messages on the Explanation Viewer are translated into your preferred language
- 17. Setup Explanation Tree Viewer Click information button Change Tracking Mode and Level
- 18. Explanation Settings Mode • ACTION records explanations when various business actions are run. Business actions include most actions that appear on the Actions menu for a business object. It also includes functions such as add, edit, and delete. • AGENT records explanations for agents that are triggered as a result of events. • PROCESS records explanation for background workflow processes such as tendering and event notification. • ALL records explanations for all of the above. Severity • INFO description of process: no follow-up activity required • WARNING precondition to an error: follow-up required based on condition • ERROR failure to complete processing: requires re-input of customer information • INCOMPLETE failure to complete a system process that halts order creation, shipment planning, rating, tendering, or other process Diagnostic • Turn On
- 19. How to View Explanation Viewer Once the tracking mode is turned on and a action completes, you are given the ability to view the Explanation Viewer.
- 20. Explanation Tree View – Order Release Build Shipment
- 21. Action Results – View Explanation Once an action completes, you are given the ability to view the explanation or the log specific to that action.
- 22. View Diagnostics • When using Explanation view you are given the button to View Diagnostics
- 23. Diagnostics Contents Another Level of Details with the ability to expand and collapse details
- 24. Thank You! Partha.Ghosh@MavenWire.com www.MavenWire.com