On 12/09/2025 15:33, Harri Pesonen wrote:
Thanks, currently we have option to use APR but NIO is the default.
Perhaps we drop APR and then switch to Tomcat Native 2.
What if we have both tcnative-1.dll and tcnative-2.dll available, I guess that
Tomcat will use tcnative-2.dll with NIO and tcnative-1.dll with APR ? 😊
You can only load one version of Tomcat Native into the JVM at any one
time. If both are present, 1.x is used in preference to 2.x.
Mark
-Harri
-----Original Message-----
From: Mark Thomas <ma...@apache.org>
Sent: perjantai 12. syyskuuta 2025 15.17
To: Tomcat Users List <users@tomcat.apache.org>
Subject: Re: Tomcat Native 1.3.1 vs 2.0.9
On 12/09/2025 12:06, Harri Pesonen wrote:
Hello,
download page for Tomcat Native has two versions, 2.0.9 and 1.3.1:
https://tomc/
at.apache.org%2Fdownload-native.cgi&data=05%7C02%7Charri.pesonen%40sin
ch.com%7C1228e855b1974189438508ddf1f6e623%7C3b518aae89214a7b8497619d75
6ce20e%7C0%7C0%7C638932764925647778%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU
1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldU
IjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=plWNOFB8KZmjPF5SgY9wB3hlSP2BVbVuWr8xcn
5IYmM%3D&reserved=0
We are currently using 1.3.1 and there has not been so many changes lately,
compare to version 2.
I fail to find documentation for why one should use one or other, what is the
difference between these two versions?
The change log would be a good place to start:
https://tomcat.apache.org/native-doc/miscellaneous/changelog.html
The 2.0.0 entry describes what was removed/changed between 1.3.1 and 2.0.0
Can I simply drop version 2 in place of version 1?
The DLL names are different, 1.3.1 is tcnative-1.dll while 2.0.9 is
tcnative-2.dll.
If you want to use one of the APR connectors, you need to use 1.3.x.
If you use NIO (or NIO2) with OpenSSL then 2.x is fine.
Note: Tomcat is moving towards just supporting NIO (no NIO2, no APR) for HTTP
and AJP with OpenSSL support via Tomcat Native as an option for HTTP.
Mark
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