'each' is currently broken in Workflow CPS scripts. https://issues.jenkins-ci.org/browse/JENKINS-26481
On 09.02.2015, at 18:25, Brian Ray <[email protected]> wrote: > Hi Robin, > > The simplest Groovy idiom for iterating over a collection is > > hostnames.each { host -> > do something interesting with host ... > } > > > > Does this work? > > Brian > > On Monday, February 9, 2015 at 5:48:11 AM UTC-8, Robin Tegg wrote: > Hi all, > > I've been trying out the workflow plugin after watching the > pimp-your-continuous-delivery-pipeline-with-jenkins-workflow-wjax-14 demo. > And in one of the slides (24), there is an example of a for loop that looks > to iterate over a list of hostnames. I've assumed that hostnames is a list > > def hostnames = ["192.168.0.1", "192.168.0.2"] > for( def hostname: hostnames ) { > sh "ssh ${hostname} ..." > } > > I'm wondering if anyone can help with my usage of arrays/lists. I'm getting > the following errors when I try the above: > > java.io.NotSerializableException: java.util.AbstractList$Itr > > Now I understand from the docs > (https://github.com/jenkinsci/workflow-plugin/blob/master/TUTORIAL.md#serialization-of-local-variables) > that some variables can't be serialized before a "sh" step might happen, but > as I'm new to groovy I'm struggling to understand how the above might be > achieved. I've tried in a method and inline as suggested. > > The workaround I have at the moment is > > def hostnames = ["192.168.0.1", "192.168.0.2"] > for( int i = 0; i < hostnames.size(); i++) { > sh "ssh ${hostnames.get(i)} ..." > } > > Any pointers would be much appreciated > > Thanks > Robin > > -- > You received this message because you are subscribed to the Google Groups > "Jenkins Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jenkinsci-users/9dde8b3d-04a5-4644-96a0-2930f78c4978%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/97311FCD-01FE-4B01-B69B-2C6DFA148B5A%40beckweb.net. For more options, visit https://groups.google.com/d/optout.
