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As of version 4.0.1-b1903 we require Java 8. If you are running our ISO, openjdk 8 may not be available.

Note that you can install openjdk 8:

yum install java-1.8.0-openjdk

However, our earlier ISO is based on Centos 5 and it's not available for that version so installing the Oracle JDK is an option. You can go to the Oracle website and download it or you can use the commands below.

Note that these commands are for jdk-8u51. Check to see of there's a newer version and use that file name instead.

If you are on our pre-4.0.1-b1903 ISO or 32 bit linux use this:

curl -v -j -k -L -H "Cookie: oraclelicense=accept-securebackup-cookie" > jdk-8u51-linux-i586.rpm

For 64 bit:

curl -v -j -k -L -H "Cookie: oraclelicense=accept-securebackup-cookie" > jdk-8u51-linux-x64.rpm

Install the rpm:

rpm -ivh  jdk-8u51-linux-i586.rpm

At this point you should upgrade your WiKID rpms. (There's a bug in release 4.0.3-b1903 that over-writes the JCE policy with older ones.)

If you need to upgrade or install WiKID, do so now. (There's a known-issue, our RPM overwrites the JCE Policy file.)

Now, install the JAVA encryption files:

curl -v -j -k -L -H "Cookie:oraclelicense=accept-securebackup-cookie"  > 

Unzip them:


And copy them to the correct directory:

cp UnlimitedJCEPolicyJDK8/* /usr/java/jdk1.8.0_51/jre/lib/security/


java -version

and make sure it says 8. If not run:

alternatives --config java

And select 8.



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