Problems with Java Applet
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Hello List,
this is probably off-topic as I think hardly anyone uses the ImageJ applet. But I tried it in order to check whether it would give the same problems as my own "CCSim" Java applet (simulation of the bacterial cell cycle), and it did. In the past it was enough to go to the "Security" tab of the browser and enable "Java" and possibly "JavaScript". Meanwhile the user gets lost somewhere on the Internet without knowing what to do. Does anyone know a reliable step-by-step instruction that can be successfully followed by the user? I had problems both on OS X Lion and Windows 7, using various browsers. Norbert Vischer -- ImageJ mailing list: http://imagej.nih.gov/ij/list.html |
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I had no problems with either the signed or unsigned Java Applet on
Chrome or Firefox under Windows-7 or -8. If Java is not installed, the browser simply takes you to the Java download page, and after installation you can reload the applet page. Yes, if you have changed the default browser settings you may have to reset them. Chrome checks each time if you want to run the applet (unless you tell it not to). And if you have a slow connection you must be patient when nothing happens immediately :-) Alan On 28 February 2013 23:40, Norbert Vischer <[hidden email]> wrote: > Hello List, > > this is probably off-topic as I think hardly anyone uses the ImageJ applet. But I tried it in order to check whether it would give the same problems as my own "CCSim" Java applet (simulation of the bacterial cell cycle), and it did. > > In the past it was enough to go to the "Security" tab of the browser and enable "Java" and possibly "JavaScript". Meanwhile the user gets lost somewhere on the Internet without knowing what to do. Does anyone know a reliable step-by-step instruction that can be successfully followed by the user? > > I had problems both on OS X Lion and Windows 7, using various browsers. > > Norbert Vischer ______________________________________________ Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE <[hidden email]> +33.476.98.41.68 http://www.NeutronOptics.com/hewat ______________________________________________ -- ImageJ mailing list: http://imagej.nih.gov/ij/list.html |
Re: Problems with Java Applet
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In reply to this post by vischer
I do not know if this might be related or not, but we have an application that relies on Java WebStart. We had customers call in to let us know that our app would no longer launch on Apple Mac OS-X.
Apple issued a back door "fix" that essentially demanded that Java 1.6 WebStart apps would require a version of that did not exist. I believe this affected Java applets too. You can follow the links and some background from here: http://www.dsuk.biz/DSUK/News/Entries/2013/2/1_Apple_Break_Java_WebStart.html This escapade had me tearing my hear for days! It also worries me about the industries commitment to Java as a desktop platform. Any thoughts? On 28 Feb 2013, at 22:40, Norbert Vischer wrote: > Hello List, > > this is probably off-topic as I think hardly anyone uses the ImageJ applet. But I tried it in order to check whether it would give the same problems as my own "CCSim" Java applet (simulation of the bacterial cell cycle), and it did. > > In the past it was enough to go to the "Security" tab of the browser and enable "Java" and possibly "JavaScript". Meanwhile the user gets lost somewhere on the Internet without knowing what to do. Does anyone know a reliable step-by-step instruction that can be successfully followed by the user? > > I had problems both on OS X Lion and Windows 7, using various browsers. > > > Norbert Vischer > > -- > ImageJ mailing list: http://imagej.nih.gov/ij/list.html -- ImageJ mailing list: http://imagej.nih.gov/ij/list.html |
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> It also worries me about the industries commitment to Java as a desktop platform.
You mean Apple's commitment to Java ? Apple is not committed to anything NIH (where NIH does NOT mean National Institut of Health :-) Alan On 1 March 2013 12:34, Michael Ellis <[hidden email]> wrote: > I do not know if this might be related or not, but we have an application that relies on Java WebStart. We had customers call in to let us know that our app would no longer launch on Apple Mac OS-X. > > Apple issued a back door "fix" that essentially demanded that Java 1.6 WebStart apps would require a version of that did not exist. I believe this affected Java applets too. > > You can follow the links and some background from here: > > http://www.dsuk.biz/DSUK/News/Entries/2013/2/1_Apple_Break_Java_WebStart.html > > This escapade had me tearing my hear for days! > > It also worries me about the industries commitment to Java as a desktop platform. Any thoughts? > > > On 28 Feb 2013, at 22:40, Norbert Vischer wrote: > >> Hello List, >> >> this is probably off-topic as I think hardly anyone uses the ImageJ applet. But I tried it in order to check whether it would give the same problems as my own "CCSim" Java applet (simulation of the bacterial cell cycle), and it did. >> >> In the past it was enough to go to the "Security" tab of the browser and enable "Java" and possibly "JavaScript". Meanwhile the user gets lost somewhere on the Internet without knowing what to do. Does anyone know a reliable step-by-step instruction that can be successfully followed by the user? >> >> I had problems both on OS X Lion and Windows 7, using various browsers. >> >> >> Norbert Vischer Dr Alan Hewat, NeutronOptics, Grenoble, FRANCE <[hidden email]> +33.476.98.41.68 http://www.NeutronOptics.com/hewat ______________________________________________ -- ImageJ mailing list: http://imagej.nih.gov/ij/list.html |
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In reply to this post by Michael P Ellis
It appears that all those useful Java applets out there may be disabled after installing Java 7. And error messages such as "missing plugin" are simply misleading, as there is no such plugin. When the user is directed to Oracle, he is encouraged to "download the newest Java version", a 150 MB installation which does not make sense in this case.
For the time being, I tried the following work-around: My applet, which simulates multiforking patterns of bacterial DNA, is now available as ImageJ plugin when clicking "Not working?" in the browser. Maybe there are better ideas? http://simon.bio.uva.nl/cellcycle/ Norbert Vischer On 1. Mar 2013, at 12:34, Michael Ellis wrote: I do not know if this might be related or not, but we have an application that relies on Java WebStart. We had customers call in to let us know that our app would no longer launch on Apple Mac OS-X. Apple issued a back door "fix" that essentially demanded that Java 1.6 WebStart apps would require a version of that did not exist. I believe this affected Java applets too. You can follow the links and some background from here: http://www.dsuk.biz/DSUK/News/Entries/2013/2/1_Apple_Break_Java_WebStart.html This escapade had me tearing my hear for days! It also worries me about the industries commitment to Java as a desktop platform. Any thoughts? On 28 Feb 2013, at 22:40, Norbert Vischer wrote: > Hello List, > > this is probably off-topic as I think hardly anyone uses the ImageJ applet. But I tried it in order to check whether it would give the same problems as my own "CCSim" Java applet (simulation of the bacterial cell cycle), and it did. > > In the past it was enough to go to the "Security" tab of the browser and enable "Java" and possibly "JavaScript". Meanwhile the user gets lost somewhere on the Internet without knowing what to do. Does anyone know a reliable step-by-step instruction that can be successfully followed by the user? > > I had problems both on OS X Lion and Windows 7, using various browsers. > > > Norbert Vischer > > -- > ImageJ mailing list: http://imagej.nih.gov/ij/list.html -- ImageJ mailing list: http://imagej.nih.gov/ij/list.html Norbert Vischer Research Engineer Centre for Advanced Microscopy Swammerdam Institute for Life Sciences (SILS) University of Amsterdam Science Park 904 1098 XH Amsterdam, the Netherlands -- ImageJ mailing list: http://imagej.nih.gov/ij/list.html |
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