I noticed java_1.8.0 is a symlink to /etc/alternatives/java_sdk_1.8.0 and so set my $JAVA_HOME to /usr/lib/jvm/java_1.8.0. I defer to answer or just install Java with yum and set the JAVA_HOME to that (the trick is where I found where that was installed to!). The alternatives seems to only be about the JRE by default. For example: mkdir /jdks cd /jdks Navigate to the Software Downloads page on the Red Hat Customer Portal. The JDK / SDK isn't proving as obvious (I'll keep looking). Create a directory to where you want to download the archive file, and then navigate to that directory on your command-line interface (CLI). Surely alternatives offers an similarly easier solution. You have to do something similar on MacOSX but without all the grep and sed to parse out the result. In /etc/bashrc I modified the setting to JAVA_HOME to be: export JAVA_HOME=$(alternatives -display java | grep current | sed 's/link currently points to //' | sed 's|/bin/java||') This doesn't seem like the best way (open to failure) but in the 10 mins I've spent on this it seems the best. Then any hard coded JAVA_HOME is going to change (atleast it will on the Centos 6.6 I'm currently staring at). Installers are currently available for Windows and macOS JDK and JRE packages. I considered the problem of if one changes the version of java being used with: alternatives -config java Eclipse Temurin binaries are available for download in the following. slave /usr/bin/rmic rmic /usr/java/default/bin/rmicĮnsure all users have their JAVA_HOME environment variable set to the correct value: echo "export JAVA_HOME=/usr/java/default/" > /etc/profile.d/java_home.sh slave /usr/bin/jar jar /usr/java/default/bin/jar \ Second alternatives -install /usr/bin/javac javac /usr/java/default/bin/javac 999999 \ slave /usr/bin/rmiregistry rmiregistry /usr/java/default/bin/rmiregistry slave /usr/bin/keytool keytool /usr/java/default/bin/keytool \ That contains: export JAVA_HOME=/usr/java/default/Īnd I'm using the official version from Sun: jdk-1.6.0_12-fcsĮDIT: Here is how I set up Java on my machine: Install Javaĭownload and install Java JDK from Oracle Make it primaryĮnsure this Java is used instead of the OpenJDK version using the following two commands: First alternatives -install /usr/bin/java java /usr/java/default/bin/java 999999 \ I have created this file: /etc/profile.d/java.sh Scalability improvements in version 5.I'm not quite sure but if you install the normal RPMS the JAVA_HOME value can also be set to this: /usr/java/default/ĮDIT: I just checked on my home system. WiKID Android tokens had their data deleted over the weekend by Google Chrome bug Now, install the JAVA encryption files: curl -v -j -k -L -H "Cookie:oraclelicense=accept-securebackup-cookie" > jce_policy-8.zipĪnd copy them to the correct directory: cp UnlimitedJCEPolicyJDK8/* /usr/java/jdk1.8.0_51/jre/lib/security/Īnd make sure it says 8. (There's a known-issue, our RPM overwrites the JCE Policy file.) If you need to upgrade or install WiKID, do so now. ( jdk-8-linux-圆4.rpm) Install from the rpm. yum install java-latest-openjdk java -version Sample Output openjdk version '16.0.1' OpenJDK Runtime Environment 21.3 (build 16.0.1+9) OpenJDK 64-Bit Server VM 21. (There's a bug in release 4.0.3-b1903 that over-writes the JCE policy with older ones.) Download java rpm package from Oracle site. At the time of writing this article, OpenJDK 16 is the currently available version to be installed using the following commands from the EPEL repository. Install the rpm: rpm -ivh jdk-8u151-linux-i586.rpmĪt this point you should upgrade your WiKID rpms. 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.rpmįor 64 bit: curl -v -j -k -L -H "Cookie: oraclelicense=accept-securebackup-cookie" > jdk-8u151-linux-圆4.rpm Check to see of there's a newer version and use that file name instead. Note that these commands are for jdk-8u51. You can go to the Oracle website and download it or you can use the commands below. 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. Note that you can install openjdk 8: yum install java-1.8.0-openjdk
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