[ImageJ-devel] ImageJ with java 1.7?

[Curtis Rueden]

Hi Chris,

> I can't find any way to download java 1.6 and have it as an option for
> running Netbeans.

You can reinstall Java 6 on OS X. See e.g.:
  http://stackoverflow.com/questions/13653597/jdk-6-on-mountain-lion

You can verify which Javas are installed using this script:
  https://github.com/ctrueden/ctr-scripts/blob/master/java-info

You can configure which JDK NetBeans uses using the Tools > Platforms menu
command. Click "Add Platform" and choose the Contents/Home subfolder of
something in /Library/Java/JavaVirtualMachines (or maybe
/System/Library/Java/JavaVirtualMachines if the JDK in question is not in
the former folder).

HTH,
Curtis


On Fri, May 31, 2013 at 10:17 AM, Chris <chris at gaiag.net> wrote:

> > Hi Chris,
> >
> > On Fri, 31 May 2013, Chris wrote:
> >
> >> I am getting this error when trying to run my plugin in ImageJ after I
> >> developed the plugin in Netbeans 7.3:
> >>
> >>> java.lang.UnsupportedClassVersionError: APC_ : Unsupported major.minor
> >>> version 51.0
> >>>
> >>> This plugin requires Java 1.7 or later.
> >>
> >> Does ImageJ work with java 1.7?
> >
> > Well, it says that the plugin requires Java 1.7, not that ImageJ requires
> > Java 1.7, although, to answer your question, ImageJ works with Java 1.7.
> >
> >> I am using Mac OS 10.7.5 and the only java version on my machine is 1.7
> >
> > This is another issue: MacOSX' Java 1.7 support is unfortunately not as
> > stable as Java 1.6 support.
> >
> > Therefore I would suggest to configure Netbeans to target Java 1.6.
> >
> > Besides, it is always better to target *not* the latest and buggiest, but
> > the most prevalent, in this case, Java 1.6, *especially* if you want to
> > make your code available (which you should, as a scientist).
>
> Yes, of course I want to make it available, that's the whole point of
> cooperation.   :-)  I downloaded Netbeans IDE 7.3 and suddenly my only
> option for java was java 1.7.0_21 on my Mac PowerBook Pro.  I no longer
> have any other version of java on my computer!  Also, I can't find any way
> to download java 1.6 and have it as an option for running Netbeans.  Even
> my older versions of Netbeans now run java 1.7.  That's my problem in
> addition to the inability to build my project on Maven anymore due to the
> unresolved (unresolvable?) error I reported earlier.
>
> And thanks for responding!  I really appreciate it!  :-)
>
> Chris
>
>
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