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Question

 Meera Mohiddin Shaik (Mohiddin)
Wells Fargo
Senior Software Engineer
Wells Fargo
IN
Mohiddin Member since 2018 1 post
Wells Fargo
Posted: Apr 18, 2019
Last activity: Aug 7, 2020
Posted: 18 Apr 2019 0:44 EDT
Last activity: 7 Aug 2020 8:04 EDT
Closed
Solved

Cannot Launch Multiple Tracer Sessions for a requestor

Hi,

when I launch a tracer and close it. Again when I launch the trace I am getting this error "Cannot Launch Multiple Tracer Sessions for a requestor. This requestor is being traced by the operator ' ' "I am using Pega in my local machine.

I need to log off and log in to launch tracer

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Dev/Designer Studio

  • Purnendu Dash yvette tran

Accepted Solution

Posted: 6 years ago
Posted: 15 Jul 2019 21:15 EDT
Shantanu Nalawade (ShantanuN0145)
Unisys
Shantanu Nalawade
Unisys
NZ

Yes there is a rule TraceMain in which you need to replace

<script>
window.onbeforeunload = function(){closeAllWindows();};
</script>
 
with 
<script>
window.onunload = function(){closeAllWindows();};
</script>
However, since this is a final rule you will need to raise an SR for it.
The team will provide you a hotfix for this .
Thanks & Regards,
Shantanu
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Posted: 6 years ago
Posted: 22 Apr 2019 12:21 EDT
Ravi Kumar B (br001)
Pegasystems Inc.
Principal Technical Solutions Engineer
Pegasystems Inc.
IN

Hi ,

 

try clearing all cache from the browser and test the same scenario, as it worked fine for me. 

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Posted: 6 years ago
Posted: 4 May 2019 9:20 EDT
Rogier Simonis (RSIMONIS)
1DigitalNL
Lead System Architect
1DigitalNL
NL

We are on Pega 7.4 and have recently encountered the same issue, while as far a we know it was not a problem in the past. We are not aware of changing any settings in pega. We can only solve this each time by logging out and in again.

We encountered this issue using Chrome. Are you using Chrome as well (maybe the chrome browser was updated recently and causes this behaviour)?

 

 

 

Are you also using Pega Cloud?

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Posted: 6 years ago
Posted: 7 May 2019 16:10 EDT
Shekhar Yadav (Shakes)
Northbridge

Northbridge
CA
We are using 7.4 and have recently started seeing this behavior in Chrome. Only solution is to log off and bank in. Any input from Pega?
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Posted: 6 years ago
Posted: 28 May 2019 9:07 EDT
Rogier Simonis (RSIMONIS)
1DigitalNL
Lead System Architect
1DigitalNL
NL

We are now using chrome 74.0.3729.169 and do not have the issue anymore. (without changing anything in pega)

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  • Sören Albrecht Alexander Fischer Franziska Fink Andrea Knoche Li Li and 4 More
Posted: 6 years ago
Posted: 3 Jul 2019 0:35 EDT
Shantanu Nalawade (ShantanuN0145)
Unisys
Shantanu Nalawade
Unisys
NZ

Hi Guys,

We are facing the same issue with Chrome. I believe the issue is due to the Chrome update. 

If anyone has got a solution or an update from Pega please share the steps to resolve this. 

Thanks,

Shantanu

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Posted: 6 years ago
Posted: 3 Jul 2019 2:17 EDT
Vidyaranjan AV (Vidyaranjan) Senior Online Community Moderator
Pegasystems Inc.
IN

Hi,

Thank you for posting your query in the PSC. This looks like an inactive post and hence, we suggest you create a new post for your query. Click on the Write Post button here. Once created, please reply back here with the URL of the new post.

You may also refer this discussion link as a reference in the new thread.

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Accepted Solution

Posted: 6 years ago
Posted: 15 Jul 2019 21:15 EDT
Shantanu Nalawade (ShantanuN0145)
Unisys
Shantanu Nalawade
Unisys
NZ

Yes there is a rule TraceMain in which you need to replace

<script>
window.onbeforeunload = function(){closeAllWindows();};
</script>
 
with 
<script>
window.onunload = function(){closeAllWindows();};
</script>
However, since this is a final rule you will need to raise an SR for it.
The team will provide you a hotfix for this .
Thanks & Regards,
Shantanu
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Posted: 6 years ago
Posted: 18 Jul 2019 21:30 EDT
Shantanu Nalawade (ShantanuN0145)
Unisys
Shantanu Nalawade
Unisys
NZ

You are welcome !

There is a hotfix for this by the number HFIX-54777.

You can request Pega for the hotfix by raising an SR.

Regards,

Shantanu

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  • Arunkumar Velmurugan Chunzhi Hong Sakhib Hussain
Posted: 5 years ago
Posted: 27 Aug 2019 7:33 EDT
Niti Solanki (NitiS22)
Vodafone
Pega Developer
Vodafone
US

Hello ,

I am facing this same issue in Pega 7.1.8. Can anyone please provide solution.

I have searched the function name is TraceMain but i cannot find it.

 

Thanks,

Niti

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Posted: 5 years ago
Posted: 2 Sep 2019 7:07 EDT
Rogier Simonis (RSIMONIS)
1DigitalNL
Lead System Architect
1DigitalNL
NL

As said before you can request and install a hotfix. 
If you prefer a local change instead, you can search for the rule TraceMain. Since this rule is an internal rule, it is shielded of from rule search by default.

Until Pega 7.3: 
If you want to be able to find such rules anyway, you can type the prefix 'old:' in front your search text. For example: old:TraceMain

From Pega 7.4 onwards: 
If you want to be able to find such rules anyway, you can go to your operator preferences (right top click your operator icon and select 'Preferences'), and select the checkbox for 'Enable diagnostic features'. Log out, log in, and you can search for internal rules as well so you can find the TraceMain rule.

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  • Sreeni Kodati Krishnaveni Baavireddi Varadegowda V sujay paul
Posted: 5 years ago
Updated: 5 years ago
Posted: 18 Feb 2020 3:03 EST
Updated: 18 Feb 2020 3:22 EST
Miklos Wagner (MIKLOSWAGNER)
Wagner Development Solutions
Certified Lead System Architect
Wagner Development Solutions
HU

Hi, it's still occurring in Pega version 8.3 with Chrome 80.0.3987.106 even in incognito mode.

I also tried the mentioned change in private edit but did not help. 

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Posted: 5 years ago
Posted: 27 Feb 2020 1:32 EST
Masashi Tsuneizumi (tsunm)
PEGA
Senior Principal Demo Engineer
Pegasystems Inc.
JP

This is occurring in 8.2.1 too. I guess this problem is caused by recent chrome update. In my case, I can avoid logout/login to run tracer again by one of the followings.

  • Admin studio > Requestors. Run "Terminate Trace" on your requestor
  • Run pzTerminateTracerSessoin activity. The parameters can be found in clipboard. NodeId should be pxProcess.pxSystemNodeID, RequestorId should be pxRequestor.pzRequestorId
  • Private edit TraceMain (HTML). Modify "window.onbeforeunload = function(){closeAllWindows();};" to "window.parent.onunload = function(){closeAllWindows();};"
  • Use Firefox

 

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Posted: 5 years ago
Posted: 31 Mar 2020 0:58 EDT
Chiranjeevi Dupati (Chiranjeevi_Dupati)
Coforge DPA Aus Pvt Ltd
Consultant-Technology
Coforge DPA Aus Pvt Ltd
AU

work-around - 

Private Edit activity pzStartTracerSession in class Data-TRACERSettings, Delete steps 2 to 6, Save rule

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  • Alexey Kornilov Sundari R Allan Brooks Nalina Ravibiruthoji Abener Ochoa and 2 More
Posted: 5 years ago
Posted: 25 Apr 2020 16:09 EDT
Rimjhim Srivastava (srivr1)
Pegasystems Inc.
Senior Technical Solutions Engineer
Pegasystems Inc.
IN

Hi,

Try using another browser apart from chrome.

There seems an issue with the chrome browser.

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Posted: 4 years ago
Updated: 4 years ago
Posted: 6 Aug 2020 15:26 EDT
Updated: 6 Aug 2020 15:27 EDT
Sudheer Nimmagadda (Sudheer Nimmagadda)
Highmark Health
Sr Application Developer
Highmark Health

I am getting this same issue in Pega v8.3 and v8.4 as well , is pega trying to fix this issue in v8.5 ??

Thanks,

Sudheer Nimmagadda.

 

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