GitHub user fbourgine-cpu added a comment to the discussion: Pipeline Executor return no rows
Ok I succeded ! My input parameter was not set in the sub_pipelines See attached Thanks very much ! Best Regards Fabrice Le ven. 7 nov. 2025 à 11:28, Fabrice BOURGINE < ***@***.***> a écrit : > > Hi > Thank you for your reply > > I tried but get an issue (JSON..) > > Error registering execution information > sub_pipeline1.hpl.0 - Null key for a Map not allowed in JSON (use a > converting NullKeySerializer?) (through reference chain: > org.apache.hop.execution.Execution["parameterValues"]) > > Le ven. 7 nov. 2025 à 10:08, dave-csc ***@***.***> a écrit : > >> If I get correctly, you need to get the output of two distinct pipelines >> and merge them somehow in a parent pipeline. >> >> Then you can call each one with a Pipeline Executor, but as mentioned >> above you need to trigger them with a single row: use a Generate row >> transform, configure it to create a single row and no schema. Link this >> transform to (all) the subsequent Pipeline Executor(s), this is enough to >> trigger it/them (remember to "copy" the row and not to "distribute" it) >> >> Finally, link the Pipeline Executor output(s) to the merging transform >> >> — >> Reply to this email directly, view it on GitHub >> <https://github.com/apache/hop/discussions/5965#discussioncomment-14900377>, >> or unsubscribe >> <https://github.com/notifications/unsubscribe-auth/BZZ3DEHOM6ED7YU7DGZCYPT33RORXAVCNFSM6AAAAACLLWDUFOVHI2DSMVQWIX3LMV43URDJONRXK43TNFXW4Q3PNVWWK3TUHMYTIOJQGAZTONY> >> . >> You are receiving this because you authored the thread.Message ID: >> ***@***.***> >> > > > GitHub link: https://github.com/apache/hop/discussions/5965#discussioncomment-14901314 ---- This is an automatically sent email for [email protected]. To unsubscribe, please send an email to: [email protected]
