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Appendix F. Miscellaneous

F.1. JVM Installation verification

F.1.1. Verify JVM on Windows

Firstly confirm that the JAVA_HOME environment variable is set correctly by typing the following at the command prompt:

echo %JAVA_HOME%

If JAVA_HOME is set you will see something similar to the following:

c:"\PROGRA~1"\Java\jdk1.8.0_121\
      

Then confirm that a Java installation (1.8 or higher) is available:

java -version

If java is available on the path, output similar to the following will be seen:

java version "1.8.0_121-b13"
Java(TM) SE Runtime Environment (build 1.8.0_121-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode)

F.1.2. Verify JVM on Unix

Firstly confirm that the JAVA_HOME environment variable is set correctly by typing the following at the command prompt:

echo $JAVA_HOME

If JAVA_HOME is set you will see something similar to the following:

/usr/java/jdk1.8.0_121
      

Then confirm that a Java installation (1.8 or higher) is available:

java -version

If java is available on the path, output similar to the following will be seen:

java version "1.8.0_121-b13"
        Java(TM) SE Runtime Environment (build 1.8.0_121-b13)
        Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode)