I'm using parallel in a pipeline, and want to be able to identify which
threads are failing when there's a failure. Since parallel doesn't return
anything useful for this, I'm trying to catch the exceptions in a try/catch
block, but no matter how many failures I have, I only ever seem to get a
single exception. Here's an example (failurejob and failurejob2 are just
freestyle jobs that run /bin/false, while successjob runs /bin/true):
def nodes = [:]
nodes['fail_1'] = {
build job: 'failurejob'
}
nodes['success_1'] = {
build job: 'successjob'
}
nodes['fail_2'] = {
build job: 'failurejob2'
}
try {
parallel nodes
} catch(org.jenkinsci.plugins.workflow.cps.steps.ParallelStepException ex) {
print "Caught the exception\n"
print ex.name
}
And here's the output:
[Pipeline] Execute in parallel : Start[Pipeline] [fail_1] parallel { (Branch:
fail_1)[Pipeline] [success_1] parallel { (Branch: success_1)[Pipeline] [fail_2]
parallel { (Branch: fail_2)[Pipeline] [fail_1] build (Building
failurejob)[fail_1] Scheduling project: failurejob
<http://jenkins.gigamon.com/job/failurejob/>[Pipeline] [success_1] build
(Building successjob)[success_1] Scheduling project: successjob
<http://jenkins.gigamon.com/job/successjob/>[Pipeline] [fail_2] build (Building
failurejob2)[fail_2] Scheduling project: failurejob2
<http://jenkins.gigamon.com/job/failurejob2/>
[success_1] Starting building: successjob #7
<http://jenkins.gigamon.com/job/successjob/7/>
[fail_2] Starting building: failurejob2 #3
<http://jenkins.gigamon.com/job/failurejob2/3/>
[fail_1] Starting building: failurejob #7
<http://jenkins.gigamon.com/job/failurejob/7/>
[Pipeline] } //parallel[Pipeline] } //parallel[Pipeline] } //parallel[Pipeline]
Execute in parallel : End[Pipeline] echoCaught the exception
[Pipeline] echofail_2[Pipeline] End of PipelineFinished: SUCCESS
fail_1 and fail_2 both failed, but I only saw an exception for fail_2.
Why? Is there some way to get both exceptions?
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