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Jenkins Beginner Tutorial 8 – Jenkins integration with GIT (SCM)

Posted on July 20, 2018 by in Windows 8 // 45 Comments



Jenkins Beginner Tutorial 8 – Jenkins integration with GIT (SCM)
===================================================

Today we will learn
———————————
1. Create a java program and run it through command line
2. Create a Jenkins job to run the java program
3. Add this program/project to Git
4. Jenkins – add git plugin
5. Configure Jenkins job to trigger the execution when a change is pushed to GitHub
__________________________________________________________

Step 1 :…

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45 Comments on Jenkins Beginner Tutorial 8 – Jenkins integration with GIT (SCM)

  1. subbu gajula // July 20, 2018 at 5:14 pm // Reply

    Raghav garu….when I create a new job in Jenkins, after saving to run a build a job then after it is field every time.not only one build all builds are field wt is the resion sir

  2. Baharul Islam Mazumder // July 20, 2018 at 5:14 pm // Reply

    @Raghav , I have tried the same way but when trying to connect Jenkins to GitHub SCM getting error as "Failed to connect to repository : Error performing command: git.exe ls-remote -h https://github.com/Baharul1/Try_Jenkins.git HEAD" . Any idea where I can check for this error

  3. Nishant Labhane // July 20, 2018 at 5:14 pm // Reply

    How did the Maven Project come there? Did you add any plugin in Jenkins for that?

  4. Sachin Sasidharan // July 20, 2018 at 5:14 pm // Reply

    Awsome and simple explanation….Great work…Keep it up

  5. amby udo // July 20, 2018 at 5:14 pm // Reply

    Hello, Thank you for your tutorial, but am having this error below in jenkins when i click build now, but the java compile successfully in the terminal please help,Thanks
    Console Output
    Building in workspace /Users/Shared/Jenkins/Home/workspace/hello
    [hello] $ /bin/sh -xe /Users/Shared/Jenkins/tmp/jenkins2300308270025125561.sh
    + cd /Users/udo/Sites/javaproject2
    + javac Hello.java
    Hello.java:2: error: error while writing Hello: Hello.class (Permission denied)
    public class Hello{
    ^
    1 error
    Build step 'Execute shell' marked build as failure
    Finished: FAILURE

  6. lalana lokesh // July 20, 2018 at 5:14 pm // Reply

    hai raghav,very good explanation..i m facing one issue when i installed jenkins i m not having any plugins in my dashboard ..its not seen in available neither in installed …any suggestion

  7. Shujaat Ali // July 20, 2018 at 5:14 pm // Reply

    thanks man, i was following ur videos and i was able to understand jenkins and configure it with protractor you rock man <3

  8. Drajesh 5555 // July 20, 2018 at 5:14 pm // Reply

    Hi Raghav, this is Rajesh i have been following your tutorial.
    now am in 8th tutorial in jenkins. i have an error while having hands on this particular tutorials that:
    Am using AWS free account – am using redhat 7.4 instance and i have created java program and complied
    and run it in instance
    but when i do the same in jenkins(when i build the job) am getting an error in console output saying that

    "Started by user Rajesh Devarakonda

    Building in workspace /var/lib/jenkins/workspace/HelloWorld

    [HelloWorld] $ /bin/sh -xe /tmp/jenkins1269274761083976381.sh

    + cd /home/ec2-user/JavaProgram

    /tmp/jenkins1269274761083976381.sh: line 2: cd: /home/ec2-user/JavaProgram: Not a directory

    Build step 'Execute shell' marked build as failure

    Finished: FAILURE"

    Can Please solve the issue

  9. Mazhuri Aziz // July 20, 2018 at 5:14 pm // Reply

    good job, very simple tutorial

  10. Den Mak // July 20, 2018 at 5:14 pm // Reply

    Very useful video

  11. Ravi Tejabhishek // July 20, 2018 at 5:14 pm // Reply

    I have seen many tutorials.. but this one is really clear and awesome.. Explained every small step..

    Thanks a lot, Raghav!

  12. Kumar // July 20, 2018 at 5:14 pm // Reply

    Hi

    i need some help for jenkins..

    am making new build in ITCDM and selecting environment as well. my deployment is integrated with jenkins as well. So while deploy code in itcdm , it will trigger build in jenkins and then itcdm deploy the code in respective environment.

    Problem:
    i want to take deployed environment for my other downstream jenkins job?

    Developer ->Code Deploy -> Jenkins Job (A)-> Build the code -> send back to ITCDM – but i want to take value of env from jenkins job and need to pass that value to another jenkins Job (B)

    my email: arunice17@gmail.com

  13. Bharat Varshney // July 20, 2018 at 5:14 pm // Reply

    really awesome explanation, good going brother

  14. reshma naik // July 20, 2018 at 5:14 pm // Reply

    hi, Im not able to find the git plugin in github?Please help me?

  15. Nitish // July 20, 2018 at 5:14 pm // Reply

    Hey Raghav! So when I give shell commands same like how you did, the build fails, I get permission denied error. And it's on Amazon ec2 server. Do I have to create a user? It's running as jenkins admin user

  16. Mauricio Ruiz // July 20, 2018 at 5:14 pm // Reply

    By far the best tutorials I've seen in YouTube ,thank you.
    keep up the good work.

  17. Susmit Dey // July 20, 2018 at 5:14 pm // Reply

    Raghav one question what is the general practice for managing the projects in Git
    example – if I have 4 Java projects so I should create 4 repos for each or 1 repo to group them and keep the projects inside the repo, in that case how can I locate my projects from Jenkins for compilation?

  18. MrVjfloyd // July 20, 2018 at 5:14 pm // Reply

    I would like to do more but the only thing i can tell you is thanks you 🙂

  19. sagar zadpe // July 20, 2018 at 5:14 pm // Reply

    Hi , Thank you for this session.
    Can we add git command like "git diff HEAD~2 HEAD" in jenkins job ?

  20. Thiru Sam // July 20, 2018 at 5:14 pm // Reply

    Note : In Step 5 : Configure Jenkins job to trigger the execution when a change is pushed to GitHub if you get an error
    * Failed to connect to repository Error performing command ls remote git exe -h <repo URL>

    Go to Global Tool Configuration. and check if you find an error as below.

    There's no such executable git.exe in PATH:

    So please specify the right git.exe location as per the location in your system

    ex : C:Program FilesGitbin

  21. Avani Bhatnagar // July 20, 2018 at 5:14 pm // Reply

    Can we just ignore the webhook part that I've seen in other tutorials? BTW, thanks! This was helpful.

  22. Shree Prakash // July 20, 2018 at 5:14 pm // Reply

    FATAL: org/jenkinsci/plugins/workflow/job/WorkflowRun
    java.lang.NoClassDefFoundError: org/jenkinsci/plugins/workflow/job/WorkflowRun
    at org.jenkinsci.plugins.workflow.job.WorkflowJob$SCMListenerImpl.onCheckout(WorkflowJob.java:651)
    at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:609)
    at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)
    at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:529)
    at hudson.model.Run.execute(Run.java:1741)
    at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
    at hudson.model.ResourceController.execute(ResourceController.java:98)
    at hudson.model.Executor.run(Executor.java:410)
    Finished: FAILURE

    why i am getting this error . i have this problem since 3 days.please look into this.

  23. LOL world // July 20, 2018 at 5:14 pm // Reply

    Hi Raghav
    please look into my problem as well. I have my directory also from cmd prompt to run eclipse .java class . It is only compiling but not able to execute.
    video link which you have shared to run java program with cmd that i know. but this JAVA CLASS from eclipse is not working

  24. Shashank Pathak // July 20, 2018 at 5:14 pm // Reply

    Thanks for such tutorial. I have few doubts.
    1. Can we trigger build after staged commit?If yes, how to do it?
    2. It does git pull by itself or we have do some config changes

  25. Neha Pal // July 20, 2018 at 5:14 pm // Reply

    Hi Raghav… very nice videos and well explained
    I have a one doubt, while creating the job for java program, you have specified the path but I tried it's not worked out..
    Its showing me .. Not a directory.. could you help me on that.
    I resolved it by placing the java file into the workspace and it works fine.

  26. simohamed AbouAdam // July 20, 2018 at 5:14 pm // Reply

    I saw also your playlist Git ,I found it very helpful and give me more informations Thanks ,

  27. simohamed AbouAdam // July 20, 2018 at 5:14 pm // Reply

    Excellent I am very happy ,Is my first Time I work with Jenkins and I anderstand all the manipulation , you'r a teacher a good one
    Great job Sir

  28. Manisha Malhotra // July 20, 2018 at 5:14 pm // Reply

    hi Raghav,
    I can see 'timeout' warnings in your output at 15:44
    even I'm facing the same issue. Is it normal?

  29. yongle sun // July 20, 2018 at 5:14 pm // Reply

    Hi Raghav, thx for all these videos and when I went to add git address step that got some error :Failed to connect to repository : Error performing command: git ls-remote -h https://github.com/cattei/jenkingslearn.git HEAD . need set up git plugin?

  30. Lalchand Mali // July 20, 2018 at 5:14 pm // Reply

    Nice video. I learned a lot. I have one question how to access private repository e.g how to configure username and password of github repos for accessing

  31. Shrinivas Pandhare // July 20, 2018 at 5:14 pm // Reply

    very well explained….!!!

  32. Arjun T // July 20, 2018 at 5:14 pm // Reply

    Thanks a Tonnnnn buddy.. u explained in a very simple and efficient way !! Helped me greatly !!

  33. naveen kumar // July 20, 2018 at 5:14 pm // Reply

    Hi Raghav, very nice tutorial for beginners
    Thanks for it.

    =========================
    i am getting below error while configuring the job in jenkins
    Console Output
    Started by user admin
    Building on master in workspace C:JenkinsJenkinsHomeworkspaceHelloWorld
    Cloning the remote Git repository
    Cloning repository https://github.com/naveenaws2018/HelloWorld.git
    > git.exe init C:JenkinsJenkinsHomeworkspaceHelloWorld # timeout=10
    ERROR: Error cloning remote repo 'origin'

    Caused by: java.io.IOException: Cannot run program "git.exe" (in directory "C:JenkinsJenkinsHomeworkspaceHelloWorld"): CreateProcess error=2, The system cannot find the file specified
    at java.lang.ProcessBuilder.start(Unknown Source)
    at hudson.Proc$LocalProc.<init>(Proc.java:249)
    at hudson.Proc$LocalProc.<init>(Proc.java:218)
    at hudson.Launcher$LocalLauncher.launch(Launcher.java:930)
    at hudson.Launcher$ProcStarter.start(Launcher.java:450)
    at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1992)
    … 16 more
    Caused by: java.io.IOException: CreateProcess error=2, The system cannot find the file specified
    at java.lang.ProcessImpl.create(Native Method)
    at java.lang.ProcessImpl.<init>(Unknown Source)
    at java.lang.ProcessImpl.start(Unknown Source)
    … 22 more
    ERROR: Error cloning remote repo 'origin'
    Finished: FAILURE

    Please help

  34. Ifeoma Emodi // July 20, 2018 at 5:14 pm // Reply

    Hi am a bit confused with running the scripts on terminal, this is a brief layout of my project src – main/test – java – TestSuites – (all of my class) /Users/name/Test-Automation-suite/automationtestsuite/src/test/java/TestSuites  when I do java article, I get Not a directory. Can you help with this please

  35. Guram Kankava // July 20, 2018 at 5:14 pm // Reply

    I am so grateful, god bless you .

  36. Simona Bevilacqua // July 20, 2018 at 5:14 pm // Reply

    Great job, very helpful 🙂

  37. RUPAK DAS // July 20, 2018 at 5:14 pm // Reply

    Hi Raghav,
    Thanks a lot for your explanation .
    I am not from programming background . Is it necessary to have good programming knowledge to get into DEVOPS world ?
    Please Suggest.

  38. laxmi sai // July 20, 2018 at 5:14 pm // Reply

    I am getting GIT_ASKPASS Error with GIT PLUGIN please help

    Error Stack:
    F:InstallationsGit-2.16.1.2-64-bitbingit.exe –version # timeout=10
    using GIT_ASKPASS to set credentials
    > F:InstallationsGit-2.16.1.2-64-bitbingit.exe fetch –tags –progress https://github.com/sreenagesh/jenkinsautomation.git origin
    ERROR: Error fetching remote repo 'origin'
    hudson.plugins.git.GitException: Failed to fetch from https://github.com/sreenagesh/jenkinsautomation.git
    at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:862)
    at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1129)
    I am stuck and not able to build

  39. shubham khare // July 20, 2018 at 5:14 pm // Reply

    I was struggling around from a long time, I found other Channels tut very complicated….You explained it very smoothly like a butter…..Great Job …Thanks a lot.

  40. kriti sharma // July 20, 2018 at 5:14 pm // Reply

    wonderfull vedio… but i am having 1 doubt here you created a project and pushed it to git..suppose if i am have downloaded the project from gitlab so just we need to give url right?? if some changes happens in that project from developer side so it will trigger automatically in jenkins ryt??

  41. Shobhit // July 20, 2018 at 5:14 pm // Reply

    one quick question : why we need step 2 ? say here i am already having my code in git , and that is triggered through the new job which i set from jenkins (after installing git plugin). then why you did step 2 ? i mean executing same program from console or using freestyle project

  42. Deepak Pandey // July 20, 2018 at 5:14 pm // Reply

    getting this error. Failed to connect to repository : Error Performing command: Is-remote-h.

  43. רון גימפלביץ // July 20, 2018 at 5:14 pm // Reply

    Great tutorial. very recommended

  44. Noki Zoey // July 20, 2018 at 5:14 pm // Reply

    Good day Raghav,
    Our group is monitoring software builds that are built independently and not added to git or github. They get placed in a network file directory on our local network. Is there a way to monitor a local file in a directory so if a new file gets dropped into it we know a new software build was just added?
    Thanks

  45. yash verma // July 20, 2018 at 5:14 pm // Reply

    Hi Raghav , is there a video by you on different ways to schedule jenkins jobs ? Here you used 5 star concept .. what other standards do we have ?

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