First uninstall all the versions of Java, install Jdk 8. Open new command prompt and type java -version.

Dec 17, 2020 · Important - Open a new cmd window and use the command java -version. Any already open cmd windows do not reflect the settings that you do in the environment variables form/window.

To find out the Tomcat version, find this file – version.sh for *nix or version.bat for Windows. This version.sh file is normally located in the Tomcat bin folder.

Dec 12, 2011 · There are two varieties of JRE available. Java VM: IBM vs. Sun. Is there a way to know which JRE I am using through JavaScript or some Java issued command.

Jun 20, 2017 · I want to check what version of Java is installed on my PC before installing the latest Java update. How can I do this?

Sep 19, 2013 · After installing Java, set the path in environmental variables and then open the command prompt and type java -version. If installed properly, it'll list the java version, jre version, etc.

3 Does the -verbose flag to your java command yield any useful info? If not, maybe java -X reveals something specific to your version that might help?

On most Linux distributions you can use update-alternatives like this: sudo update-alternatives --config java It will list all packages that provide java command and will let you change it. If you don't want to …

I am installing Apache Solr on Linux Debian (Squeeze). I have been instructed to install sun-java jdk 1st. Then am told that I should use the command sudo update-alternatives --config java to make ...

Jul 18, 2013 · How to get java version and want to get '6' out of java version from batch file. I tried below script, but it didn't work. REM check java exists using JAVA_HOME system variable if …