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OpenJDK

< Setup:Installation Guide‎ | System Preparation‎ | Windows
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Java is a prerequisite for the operation of Advanced Search, PDF export, VisualDiff (BlueSpice pro only) and the LaTeX renderer (BlueSpice pro only). The steps listed here are optional and only required if you plan to use one or more of these services in your BlueSpice installation.

Introduction

For licensing reasons, we decided instead of the Java Runtime Environment to use the alternative OpenJDK published under the GPL. Of course, you are free to use the JRE of https://java.com/, but here we only document OpenJDK.

Download

Open the official download page (1) in your browser and select the version marked "Ready for use" (2).

OpenJDK Download 01

Select the ZIP archive in the 64bit version for Microsoft Windows

OpenJDK Download 02

Follow the further download instructions and download the ZIP archive to your hard disk.



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Please note that the download on your Windows Server with Internet Explorer will only work if you have configured the Internet Explorer Advanced Security Settings in the Server Manager. Please refer to the technical documentation from Microsoft.


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Unpacking the ZIP archive

Unzip the ZIP archive that you just downloaded into a suitable system path on your hard drive.

{{Template:Hint|text=This documentation is based on the [[Setup: Installation Guide/Advanced/Windows_Folder_Sructure | folder structure recommended by us ]. For this reason, OpenJDK is unpacked into the folder C:\bluespice\bin\jdk-11.0.2. If you have different folder requirements, you must adapt these paths accordingly.}}

Setting the environment variable

Press the key combination Windows+R.

In the following dialog, enter "SystemPropertiesAdvanced.exe" (1) and confirm with OK (2):


Umgebungsvariablen 02

Klicken Sie auf "Umgebungsvariablen":

Umgebungsvariablen 03

Klicken Sie auf "Neu...":

Umgebungsvariablen 04

Legen Sie als Name der Variablen "JAVA_HOME" (1) fest, als Wert der Variablen geben Sie das Verzeichnis Ihrer OpenJDK-Installation an, die Sie soeben nach C:\bluespice\bin kopiert haben (2). Hier können Sie sich die Arbeit durch Benutzung des "Verzeichnis durchsuchen" Buttons (3) erleichern. Klicken Sie anschließend auf "OK" (4):

Umgebungsvariablen 05

Schließen Sie alle soeben geöffneten Fenster nacheinander wieder mit Klick auf "OK".

Nächster Schritt

Haben Sie alle Schritte erfolgreich abgeschlossen können Sie die zuvor heruntergeladene Datei "openjdk-11.0.2_windows-x64_bin.zip" von Ihrer Festplatte löschen und zum nächsten Schritt "Apache Tomcat" weiter gehen.

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