Issue as part of Jmeter 3.3...unable to generate jtl file.

[xara...@gmail.com]

Hi All,

Can someone help on this issue...I'm trying to get Perfmon stats by using cmdrunner jar. There is some issue during conversion of jtl to png file.

Getting Exception in log saying,

INFO o.a.j.s.CSVSaveService: ***********************************.jtl does not appear to have a valid header. Using default configuration

WARN o.a.j.s.CSVSaveService: Insufficient columns to parse field 'allThreads' at line 1

WARN o.a.j.r.ResultCollector: Problem reading JTL file: *********************************************************.jtl

and also unable to open the jtl from Jmeter GUI.

[mr.ko...@gmail.com]

Hi, are you able to open jtl file using any text redactor?

[xara...@gmail.com]

Hi...Yes I'm able to open from any text editors but not from Jmeter GUI.

When I try to open getting an error saying,

2018-05-31 17:29:56,205 WARN o.a.j.s.CSVSaveService: Unknown column name 1527767463693

2018-05-31 17:29:56,206 INFO o.a.j.s.CSVSaveService: D:\Deployment\git\performance\results\im\V2\V2Release\Add_To_List_June\3Users_Item_Validate\20180531172057\plg_std_result_jmx.jtl does not appear to have a valid header. Using default configuration.

2018-05-31 17:29:56,207 WARN o.a.j.s.CSVSaveService: Insufficient columns to parse field 'allThreads' at line 1

2018-05-31 17:29:56,207 WARN o.a.j.r.ResultCollector: Problem reading JTL file: D:\Deployment\git\performance\results\im\V2\V2Release\Add_To_List_June\3Users_Item_Validate\20180531172057\plg_std_result_jmx.jtl

[xara...@gmail.com]

This is what the jtl file has,

1527767463400,10615058,server-name.com Memory Used,,,,,true,0,0,0,0

1527767464400,10615105,server-name.com Memory Used,,,,,true,0,0,0,0

1527767465400,10615105,server-name.com Memory Used,,,,,true,0,0,0,0

1527767466400,10615105,server-name.com Memory Used,,,,,true,0,0,0,0

1527767467400,10615105,server-name.com Memory Used,,,,,true,0,0,0,0

1527767468400,10615105,server-name.com Memory Used,,,,,true,0,0,0,0

1527767469400,10610988,server-name.com Memory Used,,,,,true,0,0,0,0

1527767470400,10610925,server-name.com Memory Used,,,,,true,0,0,0,0

1527767471401,10610925,server-name.com Memory Used,,,,,true,0,0,0,0

1527767472406,10610925,server-name.com Memory Used,,,,,true,0,0,0,0

1527767473417,10610917,server-name.com Memory Used,,,,,true,0,0,0,0

1527767474417,10610917,server-name.com Memory Used,,,,,true,0,0,0,0

1527767475417,10610917,server-name.com Memory Used,,,,,true,0,0,0,0

1527767476417,10610910,server-name.com Memory Used,,,,,true,0,0,0,0

[mr.ko...@gmail.com]

I know what the problem here.
You don`t have valid header in your jtl file.
How did you get your jtl file?

[Anand Raj]

Thanks Krolik...yes I figured out the issue as you it was due to some data/headers missing as part of JTL. I found the Perfmon listener used as part of JMX scripts was old even though I updated the perfmon jar to latest...I missed to updated the Perfmon listener. I just deleted old perfmon listener in script and added the again with new one ...the issue got resolved and the JTL was fine.

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[mr.ko...@gmail.com]

Great. Glad that helped :-)