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A. Hints if installation/start fails

  • Java 1.7 (or sometimes called Java 7) has to be used. Although Java 1.7 was installed, it may happen that Java 1.6 is still used. Therefore, check if 1.7 is used. 
    • On windows, you can check the version by open the command line to tool (go on "start", and "run" and enter "cmd", then press OK. In the command line enter "java -version" and hit enter. You should see some lines beginning with "java version "1.7.XXXX". if command is not found or another version is shown, check your Java installation.
    • On MacOS X, you can use the Terminal (use the spotlight to open it) and enter "/usr/libexec/java_home -t BundledApp". You should see something a path containing a number like ".../JavaVirtualMachines/1.7.0.jdk/..." - if not or the path contains 1.6.0.jdk, your system does not use the correct Java version.
  • Be sure you downloaded the x86_64 version if you have a 64 bit operating system or the x86 version if you have a 32 bit operating system.