How to track Jenkins failure in git subodule over ssh statement?

Question

I use beatbucket and Jenkins to do my builds. My project has a submodule that needs to be checked during the build process. The top level git repository I am using is working fine. He pulls it out of the bitpack using deployment keys with SSH access, no problem. I have the same deployment key in both repositories. I also made my submodule specific regarding my project:

[submodule "platform/web-app/WEB-INF/learning"]
    path = platform/web-app/WEB-INF/learning
    url = ./../xxxxxxxx.git

However, when Jenkins builds the project, it pulls out the top-level repository and fails during the submodule. Jenkins builds this using the EC2 plugin, so it is built on a slave unit that runs on demand. I tried to execute git manually in a field, but that is not the case. I don’t quite understand how the ssh key gets into the window, but I don’t understand how to debug this. Why does this work for a single module but not suitable for a submodule?

Here is the result:

FATAL: Command "git submodule update --init --recursive" returned status code 1:
stdout: Cloning into 'platform/web-app/WEB-INF/learning'...

stderr: Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights and the repository exists.
Clone of '[e-mail]:xxxxxxxx/xxxxxxx.git' into submodule path 'platform/web-app/WEB-INF/learning' failed

hudson.plugins.git.GitException: Command "git submodule update --init --recursive" returned status code 1:

stdout: Cloning into 'platform/web-app/WEB-INF/learning'...

stderr: Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights and the repository exists.
Clone of '[e-mail]:xxxxxxxx/xxxxxx.git' into submodule path 'platform/web-app/WEB-INF/learning' failed

    at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1148)
    at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1125)
    at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1121)
    at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommand(CliGitAPIImpl.java:937)
    at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.submoduleUpdate(CliGitAPIImpl.java:598)
    at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.submoduleUpdate(CliGitAPIImpl.java:579)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:299)
    at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:280)
    at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:239)
    at hudson.remoting.UserRequest.perform(UserRequest.java:118)
    at hudson.remoting.UserRequest.perform(UserRequest.java:48)
    at hudson.remoting.Request$2.run(Request.java:328)
    at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)

Answer 1

I think you encountered the problem described here: https://issues.jenkins-ci.org/browse/JENKINS-20941

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Answer 2

ssh-agent . "Exec shell" :

git submodule init
git submodule sync
git submodule update --init --recursive