Blogs

How to debug Liferay? Some pointers. – Part 1. Many a times, we only check at specific places and forget other areas while debugging. This small blog acts as a checklist to check and debug Liferay.

• Look at installing and using GLOWROOT
• Check the slow traces / web transactions / errors and the related graphs in GLOWROOT
• Check the logging levels module wise and overall
• Check all the Liferay nodes if in a cluster
• Check the app server logs
• Check JNDI & JDBC settings
• Check the things by simulating on default vanilla instance / bundle
• Use help center articles
• Check your webserver, load balancer and database configurations plus logs
• Check your portal & system properties
• Check configurations in control panel for the related work
• Check your custom API list
• Check details via GoGo shell commands
• Check the code in Liferay DevStudio or your favorite IDE
• Check marketplace apps that are installed
• Consider using Groovy scripting for debugging
• Check virtual instances if in use
• Check OSGI configurations if added
• Check your elastic search server status
• Check your heap size and thread dumps plus configurations in setenv.sh/bat

Blog also gives you an idea on the configurability and extent of Liferay modularity. It makes our work easier when many of the things are configurable.

References:

• Adjusting Module Logging – Liferay Help Center
• Configuring Logging — Liferay Learn
• Liferay Help Center