Jenkins - Interview Questions and Answers for 'Jenkin' | Search Interview Question

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Q31. What is the difference between Maven, Ant and Jenkins ?

Tool

Ans. Maven and Ant are Build Technologies whereas Jenkins is a continuous integration tool.

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Q32. What is Jenkins ?

Jenkins

Ans. It is a continuous integration tool written in Java.

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Q33. Which SCM tools Jenkins supports ?

Jenkins

Ans. AccuRev, CVS, Subversion, Git, Mercurial, Perforce, Clearcase and RTC

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Q34. What are the various ways in which build can be scheduled in Jenkins ?

Jenkins

Ans. Builds can be triggered by source code management commits.
Can be triggered after completion of other builds.
Can be scheduled to run at specified time ( crons )
Manual Build Requests

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Q35. What is the relation between hudson and Jenkins ?

Jenkins

Ans. Hudson was the earlier version of current Jenkins. After some issue , the project name was changed from Hudson to Jenkins.

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Q36. What you do to make sure that your project doesn't break in Jenkins ?

Jenkins

Ans. I make sure that I perform successful clean install on my local machine with all unit tests.
Then I make sure that I check in all code changes.
Then I do a Synchronize with repository to make sure that all required config and POM changes and any difference is checked into the repository.

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Q37. What you do when you see a broken build for your project in Jenkins ?

Jenkins

Ans. I will open the console output for the build and will try to see if any file changes were missed.
If not able to find the issue that way, Will clean and update my local workspace to replicate the problem on my local and will try to solve it.

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Q38. What is continuous integration ?

Process

Ans. Continuous integration or CI is the practice, of merging all developer working copies to a shared mainline several times a day.

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