Tag: dll

Apache Tomcat Native Library (APR)

If you have ever looked at the console or logs while starting a Tomcat instance on Windows you have probably seen the following line about APR.

INFO: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path

As long as the “tcnative-1.dll”  is in the Windows PATH, generally you can place it in c:\windows\system32, but any other location in the PATH will work should you need it to be portable, or have different versions in use.

NOTE: Other Operating Systems use a similar approach as Windows to add an environmental variable, optionally you can also add the appropriate location to the “java.library.path” attribute used when calling the VM, if you are more technically inclined. Also, be aware of 32 vs. 64 bit architectures when selecting your version!

Cheers

Apache Native Client

If you do any development or even production testing with Apache Tomcat, you may have seen the following message in your logs.

“The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path”

Here’s a quick solution that will leave you with greatly improved performance.

  1. Go to the following URI’s:
  2. Download the appropriate version of tcnative-1.dll
  3. For Windows, place that file in c:\windows\system32\ 
  4. Restart your Tomcat server
  5. You are done!

Cheers