APR based Apache Tomcat Native library was not found on the java library path

Question

When trying to run my app with eclipse linux on tomcat I got the following info message   INFO  The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java library path   usr lib jvm java-6-sun-1 6 0 20 jre lib amd64 server  usr lib jvm java-6-sun-1 6 0 20 jre lib amd64  usr lib jvm java-6-sun-1 6 0 20 jre    lib amd64  usr lib64 xulrunner-addons  usr java packages lib amd64  usr lib64  lib64  lib  usr lib   How do I resolve this issue

User · Answer

For Ubntu Users   1  Install compilers      sudo apt-get install make      sudo apt-get install gcc      2  Install openssl and development libraries      sudo apt-get install openssl      sudo apt-get install libssl-dev     3  Install the APR package  Downloaded from http   apr apache org         tar -xzf apr-1 4 6 tar gz      cd apr-1 4 6       sudo   configure      sudo make      sudo make install      You should see the compiled file as      usr local apr lib libapr-1 a      4  Download  compile and install Tomcat Native sourse package     tomcat-native-1 1 27-src tar gz      Extract the archive into some folder       tar -xzf tomcat-native-1 1 27-src tar gz      cd tomcat-native-1 1 27-src jni native      JAVA HOME  usr lib jvm jdk1 7 0 21       sudo   configure --with-apr  usr local apr --with-java-home  JAVA HOME      sudo make      sudo make install      Now I have compiled Tomcat Native library in  usr local apr libtcnative-1 so 0 1 27 and symbolic link file  usr local apr  libtcnative-1 so pointed to the library      5  Create or edit the  CATALINA HOME bin setenv sh file with following lines       export LD LIBRARY PATH   LD LIBRARY PATH  usr local apr lib       6  Restart tomcat and see the desired result

User · Answer

Download the appropriate APR based tomcat native library for your operating system so that Apache tomcat server can take some advantage of the feature of your OS which is not included by default in tomcat  For windows it will be a  dll file   I too got the warning while starting the server and you don t have to worry about this if you are testing or developing  This is meant to be on production purposes  After putting the tcnative-1 dll file inside the bin folder of Apache Tomcat 7 following are the output in the stderr file   Apr 07  2015 1 14 12 PM org apache catalina core AprLifecycleListener init INFO  Loaded APR based Apache Tomcat Native library 1 1 33 using APR version 1 5 1  Apr 07  2015 1 14 12 PM org apache catalina core AprLifecycleListener init INFO  APR capabilities  IPv6  true   sendfile  true   accept filters  false   random  true   Apr 07  2015 1 14 14 PM org apache catalina core AprLifecycleListener initializeSSL INFO  OpenSSL successfully initialized  OpenSSL 1 0 1m 19 Mar 2015  Apr 07  2015 1 14 14 PM org apache coyote AbstractProtocol init INFO  Initializing ProtocolHandler   http-apr-127 0 0 1

User · Answer

My case  Seeing the same INFO message   Centos 6 2 x86 64 Tomcat 6 0 24  This fixed the problem for me   yum install tomcat-native   boom

User · Answer

I resolve this  On Eclipse IDE  by delete my old server and create the same again  This error is because you don t proper terminate Tomcat server and close Eclipse

[apache] APR based Apache Tomcat Native library was not found on the java.library.path?

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