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Jenkins Troubleshooting

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Jenkins is one of the important CI tools which many organization used as part of their Build and DevOps infrastructure. I am going to consolidate all the troubleshooting techniques which can be used in order to find any issues related in Jenkins. 

Step 1. Take a look at Log generated by the Jenkins and plugins via http://jenkins-master/log

Note: Here you can also create your own logger and and set your custom log levels such as (severe, warning, info, config, file, finer, finest, all)

Step 2. Also, you can look at /var/log/jenkins/jenkins.log via doing "tail -f /var/log/jenkins/jenkins.log" and check carefully whats breaking it. 

Log file in windows - jenkins.err.log & jenkins.out.log Read More Click here

Reference:- This article was originally posted on scmGalaxy.com

Comments

mamali prusty said…
This article gave a clear and helpful look at common Jenkins problems and how to fix them. I liked how the explanations were written in simple language, so even someone new to Jenkins can understand what might go wrong and how to solve it. As someone just starting with CI/CD tools, this made it feel easier and less confusing to deal with errors when they happen. The steps were practical and not too long, which helped me follow along without feeling overwhelmed. Thank you for sharing this useful guide—it will help many readers troubleshoot Jenkins with more confidence.
January 16, 2026 at 3:52 AM
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