Download & getting 'Unable to load Java Runtime Environment' If I need a Java update. I don't think NetExtender for Mac works anymore. If your upgraded Mac (probably to Yosemite) is saying 'To view this web content you need to install the Java Runtime Environment' here's how to fix it.
It sounds like the program (matlab) is a 64bit version and is using the 32bit JRE (Java Runtime Environment). This means that the MATLABJAVA environment variable is pointig to the wrong JRE path or is not set. HINT: You can set or edit an environment variable by following these instructions (but use the values in this answer post): In the section 'System variables' please modifiy or add the envirionment variable with the - variable name: MATLABJAVA - variable value: For the path to your JRE check if one of them is available: - C: Program Files Java jre8 - C: Program Files Java jre7 - resp. C: Program Files Java jre HINT: For 64bit do not use the C: Program Files (x86) Java jre path because this is the default 32bit path.
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Save it and you should be good to go. This means that the MATLABJAVA environment variable is not set. You can set an environment variable by following these instructions (but use the values in this comment): In the section 'System variables' please add the variable name 'MATLABJAVA'. As variable value use the path to your jre. Check if one of them is available: C: Program Files Java jre8 or C: Program Files Java jre7 on your system and use the one available.Now try to start Matlab. Tell me if you more detailed instructions. – Nov 26 '14 at 11:44.