org.pentaho.di.core.exception.KettleStepException: Unable to clone row for metadata : null at java.lang.Thread.run (Thread.java:744) at org.pentaho.di.trans.step.RunThread.run (RunThread.java:60) at org.pentaho.di.trans.steps.jsonoutput.JsonOutput.processRow (JsonOutput.java:185) at org.pentaho.di.trans.steps.jsonoutput.JsonOutput.outPutRow (JsonOutput.java:235) at org.pentaho.di.trans.step.BaseStep.putRow (BaseStep.java:1116) at org.pentaho.di.ui.spoon.trans.TransPreviewDelegate$3.rowWrittenEvent (TransPreviewDelegate.java:470)

Pentaho BI Platform Tracking | Jason Ackman | 3 years ago
  1. 0

    1. Create a Transformation with the following steps: Generate Rows with 0 Rows and any columns you wish to add. JSONOutput 2. Connect the two steps. 3. Run the transformation. Expected Result: Generate Rows will have 0 output rows. JSONOutput will not execute since there are no rows to process. Actual Result: JSONOutput fails with the following stack trace: 2013/12/26 17:59:01 - Json output.0 - ERROR (version 5.0.1-stable, build 1 from 2013-11-15_16-08-58 by buildguy) : Unexpected error 2013/12/26 17:59:01 - Json output.0 - ERROR (version 5.0.1-stable, build 1 from 2013-11-15_16-08-58 by buildguy) : org.pentaho.di.core.exception.KettleStepException: 2013/12/26 17:59:01 - Json output.0 - Unable to clone row for metadata : null 2013/12/26 17:59:01 - Json output.0 - at java.lang.Thread.run (Thread.java:744) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.step.RunThread.run (RunThread.java:60) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.steps.jsonoutput.JsonOutput.processRow (JsonOutput.java:185) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.steps.jsonoutput.JsonOutput.outPutRow (JsonOutput.java:235) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.step.BaseStep.putRow (BaseStep.java:1116) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.ui.spoon.trans.TransPreviewDelegate$3.rowWrittenEvent (TransPreviewDelegate.java:470) 2013/12/26 17:59:01 - Json output.0 - 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.ui.spoon.trans.TransPreviewDelegate$3.rowWrittenEvent(TransPreviewDelegate.java:472) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.step.BaseStep.putRow(BaseStep.java:1116) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.steps.jsonoutput.JsonOutput.outPutRow(JsonOutput.java:235) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.steps.jsonoutput.JsonOutput.processRow(JsonOutput.java:185) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.step.RunThread.run(RunThread.java:60) 2013/12/26 17:59:01 - Json output.0 - at java.lang.Thread.run(Thread.java:744) 2013/12/26 17:59:01 - Json output.0 - Caused by: java.lang.NullPointerException 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.ui.spoon.trans.TransPreviewDelegate$3.rowWrittenEvent(TransPreviewDelegate.java:470) 2013/12/26 17:59:01 - Json output.0 - ... 5 more

    Pentaho BI Platform Tracking | 3 years ago | Jason Ackman
    org.pentaho.di.core.exception.KettleStepException: Unable to clone row for metadata : null at java.lang.Thread.run (Thread.java:744) at org.pentaho.di.trans.step.RunThread.run (RunThread.java:60) at org.pentaho.di.trans.steps.jsonoutput.JsonOutput.processRow (JsonOutput.java:185) at org.pentaho.di.trans.steps.jsonoutput.JsonOutput.outPutRow (JsonOutput.java:235) at org.pentaho.di.trans.step.BaseStep.putRow (BaseStep.java:1116) at org.pentaho.di.ui.spoon.trans.TransPreviewDelegate$3.rowWrittenEvent (TransPreviewDelegate.java:470)
  2. 0

    1. Create a Transformation with the following steps: Generate Rows with 0 Rows and any columns you wish to add. JSONOutput 2. Connect the two steps. 3. Run the transformation. Expected Result: Generate Rows will have 0 output rows. JSONOutput will not execute since there are no rows to process. Actual Result: JSONOutput fails with the following stack trace: 2013/12/26 17:59:01 - Json output.0 - ERROR (version 5.0.1-stable, build 1 from 2013-11-15_16-08-58 by buildguy) : Unexpected error 2013/12/26 17:59:01 - Json output.0 - ERROR (version 5.0.1-stable, build 1 from 2013-11-15_16-08-58 by buildguy) : org.pentaho.di.core.exception.KettleStepException: 2013/12/26 17:59:01 - Json output.0 - Unable to clone row for metadata : null 2013/12/26 17:59:01 - Json output.0 - at java.lang.Thread.run (Thread.java:744) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.step.RunThread.run (RunThread.java:60) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.steps.jsonoutput.JsonOutput.processRow (JsonOutput.java:185) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.steps.jsonoutput.JsonOutput.outPutRow (JsonOutput.java:235) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.step.BaseStep.putRow (BaseStep.java:1116) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.ui.spoon.trans.TransPreviewDelegate$3.rowWrittenEvent (TransPreviewDelegate.java:470) 2013/12/26 17:59:01 - Json output.0 - 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.ui.spoon.trans.TransPreviewDelegate$3.rowWrittenEvent(TransPreviewDelegate.java:472) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.step.BaseStep.putRow(BaseStep.java:1116) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.steps.jsonoutput.JsonOutput.outPutRow(JsonOutput.java:235) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.steps.jsonoutput.JsonOutput.processRow(JsonOutput.java:185) 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.trans.step.RunThread.run(RunThread.java:60) 2013/12/26 17:59:01 - Json output.0 - at java.lang.Thread.run(Thread.java:744) 2013/12/26 17:59:01 - Json output.0 - Caused by: java.lang.NullPointerException 2013/12/26 17:59:01 - Json output.0 - at org.pentaho.di.ui.spoon.trans.TransPreviewDelegate$3.rowWrittenEvent(TransPreviewDelegate.java:470) 2013/12/26 17:59:01 - Json output.0 - ... 5 more

    Pentaho BI Platform Tracking | 3 years ago | Jason Ackman
    org.pentaho.di.core.exception.KettleStepException: Unable to clone row for metadata : null at java.lang.Thread.run (Thread.java:744) at org.pentaho.di.trans.step.RunThread.run (RunThread.java:60) at org.pentaho.di.trans.steps.jsonoutput.JsonOutput.processRow (JsonOutput.java:185) at org.pentaho.di.trans.steps.jsonoutput.JsonOutput.outPutRow (JsonOutput.java:235) at org.pentaho.di.trans.step.BaseStep.putRow (BaseStep.java:1116) at org.pentaho.di.ui.spoon.trans.TransPreviewDelegate$3.rowWrittenEvent (TransPreviewDelegate.java:470)
  3. 0

    Pentaho - Transformation is killing the other steps

    Stack Overflow | 1 year ago | Rahul Nadkarni
    org.pentaho.di.core.exception.KettleStepException: Error while running the step Unexpected conversion error while converting value [flag_SALES_WEEK Integer] to an Integer java.lang.String cannot be cast to java.lang.Long
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  5. 0

    When creating a Regex Evaluation step with a regular expression like .*XXX(140110|145250)XXX.* and not checking 'Create fields for capture groups' and also not specifying any 'Capture Group Fields' then the transformation stops with an error like this: Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : The number of capture groups in the regular expression (3) does not match the number of fields specified (0)! Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : Unexpected error Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : org.pentaho.di.core.exception.KettleStepException: Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : Error in step Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : The number of capture groups in the regular expression (3) does not match the number of fields specified (0)! Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : at org.pentaho.di.trans.steps.regexeval.RegexEval.processRow(RegexEval.java:208) Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : at org.pentaho.di.trans.step.RunThread.run(RunThread.java:40) Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : at java.lang.Thread.run(Thread.java:680) Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : Caused by: org.pentaho.di.core.exception.KettleStepException: Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : The number of capture groups in the regular expression (3) does not match the number of fields specified (0)! Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : at org.pentaho.di.trans.steps.regexeval.RegexEval.processRow(RegexEval.java:161) Regex Evaluation.0 - ERROR (version 4.2.0-stable, build 15748 from 2011-09-08 13.11.42 by buildguy) : ... 2 more

    Pentaho BI Platform Tracking | 5 years ago | Axel Christ
    org.pentaho.di.core.exception.KettleStepException: Error in step The number of capture groups in the regular expression (3) does not match the number of fields specified (0)!

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.pentaho.di.ui.spoon.trans.TransPreviewDelegate$3.rowWrittenEvent()
    2. org.pentaho.di
      RunThread.run
      1. org.pentaho.di.ui.spoon.trans.TransPreviewDelegate$3.rowWrittenEvent(TransPreviewDelegate.java:470)
      2. org.pentaho.di.trans.step.BaseStep.putRow(BaseStep.java:1116)
      3. org.pentaho.di.trans.steps.jsonoutput.JsonOutput.outPutRow(JsonOutput.java:235)
      4. org.pentaho.di.trans.steps.jsonoutput.JsonOutput.processRow(JsonOutput.java:185)
      5. org.pentaho.di.trans.step.RunThread.run(RunThread.java:60)
      5 frames
    3. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:744)
      1 frame