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I have a freestyle jenkins job B which will run after the run of job A. Now I choose:

  • Promote builds when...
  • Custom Groovy script

I check Groovy Sandbox and I define a simple groovy script. When I try to save my job I got this error:

java.net.MalformedURLException: JENKINS-37599: empty classpath entries not allowed

I have to define a class path entry: JAR file path or URL

Definition:

A path or URL to a JAR file. This path should be approved by an administrator or a user with the RUN_SCRIPT permission, or the script fails. If the file or files are once approved, they are treated approved even located in another path.

I really don't know to what file I have to point or what I have to do. Why isn't it just working when I check the sandbox?

DenCowboy
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2 Answers2

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This is a jenkins bug. It requires removing that Classpath entry every time before saving the job. I found a workaround, to set the value to any of the existing jars, like https://your-jenkins-host/jnlpJars/slave.jar. This won't affect script execution and won't require you to remember removing that stupid UI block every time you update your jenkins job config.

Eugene Tiutiunnyk
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I had a similar issue and I clicked the red box with the white "X" to close that additional classpath window. I then saved the script.

Ozsaffer
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