Posted by
Rasband, Wayne (NIH/NIMH) [E] on
Jan 23, 2013; 5:31pm
URL: http://imagej.273.s1.nabble.com/Installing-ImageJ-on-a-new-Mac-tp5001498p5001508.html
On Jan 22, 2013, at 2:03 PM, Jon Harman wrote:
> Hi,
> I know PC's, but am clueless about Macs. Someone with a new Mac asked
> me to help install ImageJ at a conference with only spotty internet
> access. I tried to install it, but failed. I hope someone can help me
> to figure out what I did wrong. Sorry if my memory is poor about the
> details, but in the past it seemed easy to install ImageJ on a Mac. Are
> things different now?
Apple has done several things to make ImageJ installation more difficult. Since OS X 10.7 (Lion), Java is no longer pre-installed so you are prompted to install it the first time you install a Java application. This means you will probably need fast and reliable Internet access to install ImageJ the first time.
With OS X 10.8 (Mountain Lion), you may get the message "ImageJ64 is damaged and can't be opened". To work around this problem, go to System Preferences -> Security & Privacy -> General and set "Allow applications downloaded from:" to "Anywhere". You can restore the original setting once ImageJ is running.
ImageJ does not work with Oracle Java 7 because the Apple launcher it uses (JavaApplicationStub) does not support Java 7. To use Java 7, you have to move it to the top of the list in /Applications/Utilities/Java Preferences and run ImageJ from the command line using something like "java -jar -Xmx640m ij.jar"
-wayne
> I had an old IJ install zip file(IJ 145) for a mac which I placed on the
> desktop, double clicked, then navigated into the folder that was created
> and double clicked on ImageJ. It complained that it needed Java 6.10
> (or some flavor of Java 6). OK, so when I was able to get some internet
> time I downloaded the latest Java for Mac, which was version 7. I
> installed that on his machine, but ImageJ still required Java 6 and
> would not work.
>
> What is the proper Java needed for ImageJ. If it is not provided
> anymore on Macs where can I download a version that will work for
> ImageJ? Would it be possible to have a bomb proof ImageJ installation
> package that automatically does all the needed steps. I.e just as
> ImageJ is available for the PC as a self-installing program.
>
> Jon
>
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