[ImageJ-devel] ImageJ will not open, needs java SE 6 runtime

[Chris]

> Hi Chris,
> 
> On Tue, 9 Jul 2013, Chris wrote:
> 
>> In attempting to open ImageJ or Fiji, I am getting an error: To open
>> "ImageJ," you need a Java SE 6 runtime.
> 
> It also offers you to install the same.
> 
>> I have never seen this error before.  I use a Mac PowerBook Pro 10.7.5.
> 
> Apple does not ship Java by default anymore, starting with 10.7. Instead,
> they show you that dialog similar to
> 
> http://www.fanuriotimetracking.com/files/releases/2.6.1/help/html/images/macosx-lion-java-install.png
> 
> which clearly has two buttons, one of them labeled "Install".

Yes, I got that exact message.  Unfortunately, I was on the Amtrak train from Bakersfield to Oakland, California at the time and had five hours to work on a project for a Canadian researcher.  Amtrak has limited wifi that does not allow downloads, so I was hoping I could start ImageJ some other way.  Wayne got back to me toward the end of the trip with the suggestion:  

java -mx256m -jar  ij.jar

which worked.

> After it installed Java, you have to run ImageJ or Fiji *again*.
> 
>> Also, in attempting to run ImageJ from the terminal, I get: 
>> 
>> ChrisGAIAG:ImageJ chris$ java -jar -mx256m ImageJ.app/Contents/Resources/Java/ij.jar
>> Error: Unable to access jarfile ImageJ.app/Contents/Resources/Java/ij.jar
>> 
>> Is this a known problem, and is there a fix for it?
> 
> I bet ij.jar is somewhere else than ImageJ.app/Contents/Resources/Java/.

You would lose that bet!  ;-)  Wayne's suggestion worked from the same directory where I got this error.

Chris

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