Howto install java JDK 7 on CentOS 6 with Java Cryptography Extension (JCE) enabled ready for Tomcat
This installation of java is for people who want to install java and use it with tomcat or any other app that don’t require the java bin to be in the $PATH…
Download the latest JDK 7 release: http://java.sun.com/javase/downloads/index.jsp
If you need to install the JCE, download it: Other Downloads -> Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files. If you don’t know what JCE is, the chance are you won’t need it..
Untar the archive and move it to /opt
# tar -xzvf jdk-7u51-linux-x64.gz
# mv jdk-7u51-linux-x64 /opt/
If you downloaded the JCE, unzip it. We’ll need to overwrite the default file. We’ll backup the file before..
# mv /opt/jdk1.7.0_51/jre/lib/security/local_policy.jar /opt/jdk1.7.0_51/jre/lib/security/local_policy.jar.orig
# mv /opt/jdk1.7.0_51/jre/lib/security/US_export_policy.jar /opt/jdk1.7.0_51/jre/lib/security/US_export_policy.jar.orig
# unzip UnlimitedJCEPolicyJDK7.zip
# cp UnlimitedJCEPolicy/*.jar /opt/jdk1.7.0_51/jre/lib/security/
And voila!
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