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From João Lobinho Amaral <>
Subject RE: Certificate error when trying to test a website with a SHA-512 self signed certificate
Date Wed, 20 Mar 2019 09:46:57 GMT
Thanks for the help guys.

Installing JCE didn't help.

Can't use that tool on Windows but here you go the details of the certificate:
Signature Algorithm: RSASSA-PSS
Signature Hash Algoritm: sha512
Valid from: ‎2 ‎October, ‎2018 8:30:30 AM
Valid to: ‎2 ‎October, ‎2019 8:30:30 AM
Public Key: RSA (1024 Bits)

Please remember it's a self signed certificate. When I try to test a website that has a valid
CA certificate it doesn't throw the error.

Thank you

-----Original Message-----
From: Kiran Badi [] 
Sent: 19 March, 2019 4:54 PM
To: JMeter Users List <>
Subject: Re: Certificate error when trying to test a website with a SHA-512 self signed certificate

try with simple httpclient get request outside of jmeter and see if you still get that error.

Are you able to get output for below call openssl s_client -showcerts -connect <server>:<port>

possible for you to paste that output.


    On Tuesday, March 19, 2019, 12:47:35 PM EDT, Brian Wolfe <>
 You might need to install JCE into your java. I think the sha512 algorithm may be one of
the restricted ones that aren't allowed to be in the standard install due to export restrictions.

On Tue, Mar 19, 2019, 11:53 João Lobinho Amaral <>

> Hello,
> I'm looking for help on this.
> When trying to test the load of a website with a SHA-512 self-signed 
> certificate I receive this error:
> Response code: Non HTTP response code: 
> Response message: Non HTTP response message:
> Certificates do not conform 
> to algorithm constraints
> I've already tried to comment out the values on 
> \Java\jre1.8.0_201\lib\security\ to what is recommended here:
> icateexception-certificates-does-not-conform-to-algori
> This doesn't help.
> java -version
> java version "1.8.0_201"
> Java(TM) SE Runtime Environment (build 1.8.0_201-b09) Java HotSpot(TM) 
> 64-Bit Server VM (build 25.201-b09, mixed mode)
> Any help here?
> Kind regards,
> João
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