Exception when I try to trigger buildflow job from workflow job

[EK]

Hi , 

    I am facing the following error , we recently moved to workflow and when we try to run\trigger old build flow jobs from workflow jobs we get exception:

Stacktrace of exception is as below , appreciate if anyone can help\advice on this and how we can overcome the issue ? 

Best Regards

EK

FATAL: Cannot cast object 'MyWorkFlowJobName #3' with class 'org.jenkinsci.plugins.workflow.job.WorkflowRun' to class 'hudson.model.AbstractBuild'
org.codehaus.groovy.runtime.typehandling.GroovyCastException: Cannot cast object 'MyWorkFlowJobName #3' with class 'org.jenkinsci.plugins.workflow.job.WorkflowRun' to class 'hudson.model.AbstractBuild'
	at org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation.castToType(DefaultTypeTransformation.java:360)
	at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.castToType(ScriptBytecodeAdapter.java:599)
	at com.cloudbees.plugins.flow.FlowDSL$_executeFlowScript_closure1.doCall(FlowDSL.groovy:55)
	at sun.reflect.GeneratedMethodAccessor1187.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
	at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233)
	at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:272)
	at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:903)
	at groovy.lang.Closure.call(Closure.java:415)
	at groovy.lang.Closure.call(Closure.java:428)
	at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:1379)
	at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:1351)
	at org.codehaus.groovy.runtime.DefaultGroovyMethods$each.call(Unknown Source)
	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:42)
	at org.codehaus.groovy.runtime.DefaultGroovyMethods$each.call(Unknown Source)
	at com.cloudbees.groovy.cps.CpsDefaultGroovyMethods.each(CpsDefaultGroovyMethods.groovy:26)
	at sun.reflect.GeneratedMethodAccessor941.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.codehaus.groovy.runtime.metaclass.ReflectionMetaMethod.invoke(ReflectionMetaMethod.java:51)
	at org.codehaus.groovy.runtime.metaclass.NewInstanceMetaMethod.invoke(NewInstanceMetaMethod.java:54)
	at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoMetaMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java:271)
	at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:53)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116)
	at com.cloudbees.plugins.flow.FlowDSL.executeFlowScript(FlowDSL.groovy:52)
	at com.cloudbees.plugins.flow.FlowRun$FlyweightTaskRunnerImpl.run(FlowRun.java:219)
	at hudson.model.Run.execute(Run.java:1738)
	at com.cloudbees.plugins.flow.FlowRun.run(FlowRun.java:155)
	at hudson.model.ResourceController.execute(ResourceController.java:98)
	at hudson.model.Executor.run(Executor.java:410)

[EK]

An example to reproduce :

this is my workflow script , it takes param1 (string) from user when running, and executes buildflowjob : 

#########

println(param1);

build job: 'buildflowjob', parameters: [[$class: 'StringParameterValue', name: 'param1', value:param1]]

#########

this is my buildflowjob script, it takes param1 (string) from user when running

########

println(params['param1']));

########

[Craig Rodrigues]

Hi,

Thanks for posting your sample scripts.

I was able to reproduce your problem.

It looks like the Build Flow plugin needs to change to use the Run class, instead of AbstractBuild

in order to be compatible with workflow/pipeline plugin.

--

Craig

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[Craig Rodrigues]

Hi,

I have a patch to address this issue.

Would you be willing to build the build-flow-plugin from my branch and provide feedback?

You can build it with:

git clone https://github.com/jenkinsci/build-flow-plugin
cd build-flow-plugin
git fetch origin pull/70/head:70
git checkout 70

mvn install

--

Craig

[EK]

Hi , 

I tired to follow your instruction to build the buildflow plugin and and got the following failures : 

Tests run: 45, Failures: 0, Errors: 45, Skipped: 0

[INFO] ------------------------------------------------------------------------

[INFO] BUILD FAILURE

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 12:57 min

[INFO] Finished at: 2016-01-24T13:37:31+02:00

[INFO] Final Memory: 56M/251M

[INFO] ------------------------------------------------------------------------

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.9:test (default-test) on project build-flow-plugin: There are test failures.

[ERROR]

[ERROR] Please refer to C:\GitTests\build-flow-plugin\target\surefire-reports for the individual test results.

[ERROR] -> [Help 1]

[ERROR]

[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.

[ERROR] Re-run Maven using the -X switch to enable full debug logging.

[ERROR]

[ERROR] For more information about the errors and possible solutions, please read the following articles:

[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException

[Craig Rodrigues]

Hi,

It looks like you are running under Windows.  I'm not sure if the tests run under Windows.
Try:

mvn -DskipTests install

--
Craig

On Jan 24, 2016 4:05 AM, "EK" <eyas....@gmail.com> wrote:
>
> Hi , 
> I tired to follow your instruction to build the buildflow plugin and and got the following failures : 
>

[EK]

Hi Craig, 

Looks like issue is solved and now can run build flow job from workflow job.

Many thanks for that as now I don't need to convert all my build flow jobs to workflow.

question : 

will this be an official fix to the build flow plugin? 

Best Regards

On Sunday, January 24, 2016 at 10:56:59 PM UTC+2, Craig Rodrigues wrote:

Hi,

It looks like you are running under Windows.  I'm not sure if the tests run under Windows.
Try:

mvn -DskipTests install

--
Craig

[Craig Rodrigues]

Hi,

Sorry for the delay.  This fix is now in build-flow-plugin 0.19.  Please give it a try and provide feedback.

--

Craig