Table of Contents Title and Copyright Information Preface Purpose Before you begin Pre-requisite Audience Documentation Accessibility Critical Patches Diversity and Inclusion Related Resources Conventions Screenshot Disclaimer Acronyms and Abbreviations Symbols and Icons Post requisite 1 Troubleshooting Technical Flows Where is the Problem Preliminary Checks from UI Preliminary Checks from Service Log Files Troubleshoot Errors Using Zipkin Traces Known Issues for Zipkin Troubleshooting Logs using ELK Stack Set Up ELK Access Kibana Troubleshooting Kafka Troubleshooting Environmental Issues Possible Issues While Deploying Services Possible Issues in Login and Screen Launch Login Page is not Launching Unable to login after launching the application Unable to login after restarting the services Menus are not displayed after logging in Screens are not launching after logging in 2 Health Checks Configure Data Sources in WebLogic 3 Troubleshooting Application Workflows First level issues Error Message not shown Set Log File Path Dynamic Log Generation Issues Call is Failing in Gateway Code error in GCS side 404 Error 500 internal error Transaction data verification Troubleshoot Apply Now in Product Catalogue Party Module Integration Troubleshooting Existing Customer Details Fetch is failing Customer Information Data-segment Drop-downs not Fetching FLEXCUBE Host Integration Troubleshooting 4 Business Error Codes Index