[jira] [Created] (OOZIE-3345) forkjoin validation error when multiple(>=3) actions with "ok to""error to" same action

["wang jinyin (JIRA)" <ji...@apache.org>]

wang jinyin created OOZIE-3345:
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             Summary: forkjoin validation error when multiple(>=3) actions with "ok to""error to" same action
                 Key: OOZIE-3345
                 URL: https://issues.apache.org/jira/browse/OOZIE-3345
             Project: Oozie
          Issue Type: Bug
          Components: core
    Affects Versions: 4.3.0
            Reporter: wang jinyin


when multiple (n >= 3) actions with "ok to" "error to" transition to same action, forkjoin validation will throw WorkflowException(ErrorCode.E0743)
{quote}org.apache.oozie.workflow.WorkflowException: E0743: Multiple "ok to" transitions to the same node, [C], are not allowed
 at org.apache.oozie.workflow.lite.LiteWorkflowValidator.validateForkJoin(LiteWorkflowValidator.java:186)
 at org.apache.oozie.workflow.lite.LiteWorkflowValidator.validateForkJoin(LiteWorkflowValidator.java:267)
 at org.apache.oozie.workflow.lite.LiteWorkflowValidator.validateForkJoin(LiteWorkflowValidator.java:271)
 at org.apache.oozie.workflow.lite.LiteWorkflowValidator.validateForkJoin(LiteWorkflowValidator.java:275)
 at org.apache.oozie.workflow.lite.LiteWorkflowValidator.validateWorkflow(LiteWorkflowValidator.java:62)
 at org.apache.oozie.workflow.lite.LiteWorkflowAppParser.validateAndParse(LiteWorkflowAppParser.java:185)
 at org.apache.oozie.workflow.lite.LiteWorkflowLib.parseDef(LiteWorkflowLib.java:58)
 at org.apache.oozie.service.LiteWorkflowAppService.parseDef(LiteWorkflowAppService.java:57)
 at org.apache.oozie.service.LiteWorkflowAppService.parseDef(LiteWorkflowAppService.java:46)
 at org.apache.oozie.command.wf.SubmitXCommand.execute(SubmitXCommand.java:167)
{quote}
 

workflow definition:
{quote}<action name="A">
    <ok to="B"/>
    <error to="B"/>
</action>
<action name="B">
    <ok to="C"/>
    <error to="C"/>
</action>
<action name="C">
    <ok to="end"/>
    <error to="kill"/>
</action>
{quote}
 

[reason]

When validate A's "ok to" path -> B's "ok to" path, action node C has already been added into nodeAndDecisionParents.

When validate A's "error to" path -> B's "ok to" path, C's decisionParent == null and topDecisionParent == null. 



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