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I encountered an error in Jenkins while executing a job named UITestsJob which runs UI tests. This UITestsJob is pipeline job and its definition is in Jenkinsfile. Additioanally, I have another jobs in the same workspace and sometimes these jobs starts at the same time with this UITestsJob. I guess when two jobs starts at the same time I get this error:

UITestsJob-Runner.app encountered an error (Failed to install or launch the test runner. (Underlying error: The operation couldn’t be completed. (DVTCoreSimulatorAdditionsErrorDomain error 0.)))

I have already done cleaning step at the beginning of the pipeline, which is 

sh 'rm -rf output'
sh 'rm -rf "$DERIVED_DATA_DIR"'
sh 'rm -rf "$PWD/Pods/"'
sh 'rm -rf ~/Library/Caches/CocoaPods

And after that I am installing pod with cleaning caches which is 

 sh '(pod cache clean --all --verbose && pod install)'

After I get error, I run these commands from terminal

xcrun simctl shutdown all
xcrun simctl erase all

And this error is gone. I do not want to include this into my pipeline file, since at the same time there could be other simulators that are running for other jobs. I can not find any solution other than erasing all of the simulators from terminal. Is there any permanent solution for this error? How can I fix this issue and after I can always trust that my job is running without breaking down because of 'TestRunner' error?

user3246402
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1 Answers1

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I guess finally we come up with a solution for this issue, we installed Build Blocker Plugin to jenkins and add jobs to wait for each other to start execution, hope this helps you too! Thank you! Build Blocker Plugin

user3246402
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