#17279: Fix java version detection
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Reporter: jdemeyer | Owner:
Type: defect | Status: needs_review
Priority: blocker | Milestone: sage-6.4
Component: interfaces | Resolution:
Keywords: | Merged in:
Authors: François Bissey | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/gutow/ticket/17279 | 5eb4a37ae25e8a4dc3863301f9d86527fa7a9553
Dependencies: | Stopgaps:
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Comment (by gutow):
No! 'sage -dev push --ticket 17279' only seems to have added the last
couple of lines of the rewrite. I'm giving up on the trac/git
combination. Here's the corrected text.
The default live 3-D plotting for Sage 6.4+ uses
`Jmol/JSmol <http://jmol.sourceforge.net>`_
for viewing. From the command line the Jmol Java application is used,
and for in browser viewing either pure javascript or a Java applet
is used. By default in browsers pure javascript is used to avoid
the problems with some browsers that do not support java applet
plugins (namely Chrome). On each browser worksheet there is a
checkbox which must be checked before a 3-D plot is generated if
the user wants to use the Java applet (the applet is a little faster
with complex plots).
The most likely reason for a malfunction is that you do not have
a Java Run Time Environment (JRE) installed or you have one older than
version 1.7. If things work from the command line another possibility
is that your browser does not have the proper plugin to support Java
applets (at present, 2014, plugins do not work with most versions of
Chrome). Make sure you have installed either the IcedTea browser
plugin (for linux see your package manager), see:
`IcedTea <http://icedtea.classpath.org/wiki/IcedTea-Web>`_,
or the Oracle Java plugin see:
`Java <https://java.com/en/download/help/index_installing.xml>`_.
If you are using a Sage server over the web and even javascript rendering
does not work, you may have a problem with your browser's javascript
engine or have it turned off.
--
Ticket URL: <http://trac.sagemath.org/ticket/17279#comment:20>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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