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Lucee / Installing the Server JRE on Windows

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First download the Java 8 Server JRE.

Choose the Windows x64 edition. Once downloaded, unzip the content to a temporary folder on your server.

Installation

  1. Create the folder C:\Program Files\Oracle Java Server on your server.

  2. Browse to the expanded content in your temporary folder. Go one level deeper e.g. jdk1.8.0_XX (where XX is the current update version) and copy this content to the new folder on your server.

Command line: 

#!DOS
md "C:\Program Files\Oracle Java Server"
xcopy D:\Temp\jdk1.8.0_31\*.* "C:\Program Files\Oracle Java Server" /s
(Make sure you change the update version number as appropriate).

Set JAVA_HOME environment variable

Finally we need to set an environment variable to point to our new Java installation:

  1. Open the control panel and choose the system applet
  2. Click the Advanced tab and the button Environment Variables
  3. Click New... at the System Variables
  4. Use JAVA_HOME as the name of the variable and the path C:\Program Files\Oracle Java Server as the value.
  5. Finish this job by clicking OK until your are back at the control panel.

Or using the command line: 

#!DOS
setx JAVA_HOME "C:\Program Files\Oracle Java Server" /m

To check the environment variable has been set correctly:

  1. Open a new command prompt, type set and hit enter
  2. Scroll until you see the variable JAVA_HOME

Update

It is important to keep Java updated with the latest security patches. To do so, simply Stop your Tomcat-Service and repeat the installation steps from above, overwriting the existing files. Don't forget to re-start Tomcat after the update.

» Next: Installing Apache Tomcat

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