Am 06.02.25 um 18:18 schrieb Darryl Baker:
> My question is why is tomcat-native dependent on APR at all? Could it
be built without that dependency?
The APR library originates in the Apache httpd project. The project
decided long ago, to split out some very basic functionality into a
separate library trying to encapsulate OS specific code in it. This
library is called APR (Apache Portable Runtime) or libapr. A second one
is celled APR Util (APR Utilities or libapr-util) which contains higher
level code but is not relevant to tcnative.
The tcnative library contains functionality that hooks into Tomcat and
uses some the APR library as an implementation of its lower level
functionality.
In order to use tcnative (confusingly sometimes also called the APR
connector) inside Tomcat you need both, the tcnative library and the APR
library.
And to build tcnative yourself you also need the APR library and its
header files (the devel package) plus OpenSSL and its header files.
Since APR is much older and also needed by the Apache httpd web server,
most Linux distributions provide the APR library binaries (and header
files) in the form of a distribution package. So you do not need to
build this by yourself, just install it.
Many distributions do not provide packages for tcnative, so you do need
to build it yourself.
> Can I build tomcat native on Rocky Linux? Then could I use it on Red
Hat? Has anyone tried that?
Currently RHEL and Rocky are binary compatible assuming that you are
using the same versions of them. You can build your binary on any of
those and use it on the other one.
Best regards,
Rainer
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