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I'm runnning Mathematica 9 on Ubuntu 11.10. After installing CDF player I still have problem (most of time) with Manipulate. Only way I'm able to change value of a parameter is by manually entering a value into into an edit field (dragging the slider or pushing buttons doesn't work). Can anyone suggest what I'm doing wrong? (Even simple Manipulate[x, {x, 1, 5}] doesn't work properly.)

m_goldberg
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ipy
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  • What does this code do on your machine? Slider[Dynamic[x],{0,1}] then Dynamic[x] – Szabolcs Mar 21 '13 at 18:02
  • First creates slider (like one in Manipulate) which I can not drag. Second returns 0. – ipy Mar 21 '13 at 21:54
  • Did you modify Mathematica in any way (e.g. changing it to use system Qt libraries)? What desktop environment are you using? – Szabolcs Mar 21 '13 at 21:57
  • No - I'm using mentioned Ubuntu 11.10 with Gnome 3. – ipy Mar 22 '13 at 09:47
  • Have you tried a different desktop environment? – Szabolcs Mar 22 '13 at 14:16
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    I had the same problem (but using Ubuntu 12.04/x86_64). In my case, I guess it was a configuration-problem, since restarting once with mathematica -cleanStart helped. Did you try that? – Dragos Mar 28 '13 at 00:13
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    Awesome @Dragos ! That fixed it. – ipy Apr 06 '13 at 17:23
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    I have the same issue. mathematica -cleanStart helps, but after some time the problem reappears. – Danvil May 10 '13 at 08:35
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    I also have this problem. For me it appears only if Mathematica has been running during a hibernate or sleep. I don't know any way around this beyond restarting Mathematica. – ssch Sep 11 '13 at 19:46

2 Answers2

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By way of an answer:

I had the same problem (but using Ubuntu 12.04/x86_64). In my case, I guess it was a configuration-problem, since restarting once with mathematica -cleanStart helped. Did you try that? – Dragos Mar 28 '13 at 0:13

The above answer solves the problem according to the OP:

Awesome @Dragos ! That fixed it. – ipy Apr 6 '13 at 17:23

One user has doubts:

I have the same issue. mathematica -cleanStart helps, but after some time the problem reappears. – Danvil May 10 '13 at 8:35

But the OP never returned to indicate there was a problem.

Michael E2
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I had some trouble with this and I believe it was because I was using Open JDK. I switched to the official Oracle JDK and that seemed to fix the problem. However, now that I'm running Fedora 19 with OpenJDK 1.7.0_60 Runtime Environment (fedora-2.4.2.0.fc19-x86_64) I don't see this problem, at least not often. So it might simply go away if you install Oracle's Java or upgrade to a more recent version of Ubuntu with a newer openjdk.

garrett mitchener
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    As far as I know Mathematica uses only the java it comes shipped with in .../SystemFiles/Java/ so I don't think OpenJDK is the problem. – ssch Sep 11 '13 at 19:48