Unable to create(Mismatch between expected number of columns) Dashboard report in Jmeter...!

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I have issues while generating dashboard report in Jmeter (through command line) 1)Coped reportgenerator Properties to User Properties file 2)Restarted Jmeter to pick up the data 3)Added below to user properties file:

jmeter.save.saveservice.bytes=true
jmeter.save.saveservice.label=true
jmeter.save.saveservice.latency=true
jmeter.save.saveservice.response_code=true
jmeter.save.saveservice.response_message=true
jmeter.save.saveservice.successful=true
jmeter.save.saveservice.thread_counts=true
jmeter.save.saveservice.thread_name=true
jmeter.save.saveservice.time=true
jmeter.save.saveservice.timestamp_format=ms
jmeter.save.saveservice.timestamp_format=yyyy/MM/dd HH:mm:ss

I feel main problem is with mismatch with the CSV file/JTL file I have and trying to create report. – Give me your suggestions

ERROR | An error occurred: org.apache.jmeter.report.dashboard.GenerationException: Error while processing samples:Mismatch between expected number of columns:16 and columns in CSV file:6, check your jmeter.save.saveservice.* configuration at org.apache.jmeter.report.dashboard.ReportGeenter code herenerator.generate(ReportGenerator.java:246) at org.apache.jmeter.JMeter.start(JMeter.java:517) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.jmeter.NewDriver.main(NewDriver.java:248) Caused by: org.apache.jmeter.report.core.SampleException: Mismatch between expected number of columns:16 and columns in CSV file:6, check your 

jmeter.save.saveservice.* configuration
        at org.apache.jmeter.report.core.CsvSampleReader.nextSample(CsvSampleReader.java:183)
        at org.apache.jmeter.report.core.CsvSampleReader.readSample(CsvSampleReader.java:201)
        at org.apache.jmeter.report.processor.CsvFileSampleSource.produce(CsvFileSampleSource.java:180)
        at org.apache.jmeter.report.processor.CsvFileSampleSource.run(CsvFileSampleSource.java:238)
        at org.apache.jmeter.report.dashboard.ReportGenerator.generate(ReportGenerator.java:244)
        ... 6 more
An error occurred: Error while processing samples:Mismatch between expected number of columns:16 and columns in CSV file:6, check your jmeter.save.saveservice.* configuration
errorlevel=1
jmeter-3.2 performance-testing jmeter
2 Answers

The file csv or jtl may be in writing still, so jmeter process report try to read file while another field and row are added to the same file. Infact I resolve the error by manual running of report generation command on the same jtl file:

jmeter -g <file csv or jtl> -o <path report>

may be possible configure a delay after running load process and the report process but I don't know if exist this option.

user_150356220
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