get String value from Jenkins console output

Question

In the Jenkins output, I had the following assert error

but I need to get the String error from the error assert or any text. I'm using I'm My JenkinsFile:

def matcher = manager.getLogMatcher('.*Delete organization Account failed: *')

but generates the following error:

So I just want to check, that the log contains a specific string and if the texts exists make the build failed currentBuild.result = "FAILED", saving the text to send it by slack

Answer 1

You can put the condition in below way :

 if (manager.logContains('.*Delete organization Account failed:*')) {
          error("Build failed because of Delete organization Account..")    
                }