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When I launch JMeter and start a recording in the "HTTP(S) Test Script Recorder" a window pops-up indicating that a Root CA certificate has been generated in the JMeter bin directory, but when I go to the bin directory there isn't any certificate there. I am using JMeter 5.4.1 on Windows 10.

Based on this, I tried launching JMeter with administrator permissions and checked the permissions of the bin directory but still no certificate was generated.

As suggested here, I also tried to delete the files ApacheJMeterTemporaryRootCA.crt, ApacheJMeterTemporaryRootCA.usr and proxyserver.jks from the bin directory. Afterwards, I launched JMeter again and started the recorder but still no certificate was generated.

I also tried using a different version of JMeter and downloaded version 5.4.3, but the certificate was still not generated.

[EDIT]

According to Dmitri T's suggestion, the jmeter log can be viewed here.

Tomás Ribeiro
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2 Answers2

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We cannot help without seeing your jmeter.log file, better with debug logging enabled.

Look for the following line:

ProxyControl: Created keystore in

it will contain the path where the certificates are created. If not the log file will display the error.

You may also find JMeter Chrome Extension easier to use, in this case you won't have to worry about proxies and certificates.

Dmitri T
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  • I updated the question to include a link to the logs. If you need anything else then feel free to ask. – Tomás Ribeiro Apr 01 '22 at 11:26
  • I am using the Chrome extension but, for my current use case, the JMeter recording is better because I'm handling requests with several dynamic parameters and I need to figure out where they appeared on previous requests. – Tomás Ribeiro Apr 01 '22 at 11:40
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It seems I managed to find a solution to my problem. The value I had on the system and user variable _JAVA_OPTIONS was causing the failure. I deleted those variables and the certificate was generated again.

Tomás Ribeiro
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