[Sussex] vvv confused with java - jre, sdk and jvm

[Richie Jarvis]

Steve Dobson wrote:

>Richie, John
>
>On Sun, Jul 24, 2005 at 06:33:30PM +0100, Richie Jarvis wrote:
>  
>
>>The normal problem with java is that by default, Linux uses GCJ, which 
>>is compiled Java, and will not run most java apps out of the box.  The 
>>way to tell is to type at the prompt of the user you are trying to run 
>>the application under:
>>
>>java -version
>>
>>If it comes back with something referencing GCJ, then you know you are 
>>having this problem.  The trick to get it to use Sun's JRE (Java Runtime 
>>Environment) is to add $JAVA_HOME before everything else in the path:
>>
>>export PATH=$JAVA_HOME:$PATH
>>    
>>
>
>John said earlier that he had set JAVA_HOME to /usr/lib/jvm/java
>If the Java system John install is the same as the JDK I install then
>you need to add set PATH thus:
>   export PATH=$JAVA_HOME/bin:$PATH
>
>  
>
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>
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Ah yes - oops - forgot that bit....