I have installed JSmooth. My computer has JDK 1.7 & JRE 1.7. but it says need java 1.4 or above to open & try to download. Why is that ??
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You've probably installed Java 7 in a place that JSmooth can't find, or something like that – Stephen C Apr 14 '12 at 11:22
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Java installed in program files with the OS files. Why JSmooth can't find that? – Grant Apr 14 '12 at 11:29
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3OK! It needs JAVA_HOME environmental variable assigned. :) – Grant Apr 14 '12 at 11:38
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JSmooth may need to be taught about Java 7. – Thorbjørn Ravn Andersen Jun 12 '12 at 09:00
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You need to set the JAVA_HOME environment variable to your JDK or JRE base path, e.g. C:\Program Files\Java\jdk1.8.0_91. For this, go to Control Panel -> Advanced System Settings -> Advanced -> Environment Variables -> System Variables -> New.
I was initially confused by the same problem because java and javac were working on the command line so I thought all variables were set up but JAVA_HOME does not seem to be set by default when installing a JDK.
Konrad Höffner
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From the JSmooth documentation
Something goes wrong at launch-time, and the wrapper won't start my java application. How can I investigate?
The first thing to do, is to run the wrapper with the additional argument -JskelDebug=1 (the option is case-sensitive). This will start the wrapper in debug mode, displaying a console (or using the current one, for the console wrapper), and output many useful information.
Stephen C
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I was also in the same problem for a whole night. I installed JVM again, JSmooth again, didn't happened any thing... Then I downloaded and installed this and suddenly it recognized JVM. I guess, to access JVM, this app need Microsoft VM... a rough guess though!
iMagur
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@Konrad Höffner's answer is right, you just have to set JAVA_HOME variable, not need to install any thing else :) – Andiana May 07 '17 at 03:15