Why does Import Data fail in my Linux installation?

Question

Sean Fulop 2014-9-18

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https://ww2.mathworks.cn/matlabcentral/answers/155251-why-does-import-data-fail-in-my-linux-installation

回答： Sean Fulop 2014-10-20

This is what happens when I click Import Data in my newly installed R2014a for Linux. Installed on a Fedora 20 system.

com.mathworks.jmi.MatlabException: Undefined variable "multimedia" or class "multimedia.internal.audio.file.PluginManager.getInstance.ReadableFileTypes". at com.mathworks.jmi.NativeMatlab.SendMatlabMessage(Native Method) at com.mathworks.jmi.NativeMatlab.sendMatlabMessage(NativeMatlab.java:265) at com.mathworks.jmi.MatlabLooper.sendMatlabMessage(MatlabLooper.java:120) at com.mathworks.jmi.Matlab.mtFeval(Matlab.java:1619) at com.mathworks.mlwidgets.workspace.WorkspaceCommands$1.runOnMatlabThread(WorkspaceCommands.java:1246) at com.mathworks.mlwidgets.workspace.WorkspaceCommands$1.runOnMatlabThread(WorkspaceCommands.java:1241) at com.mathworks.jmi.MatlabWorker$2.run(MatlabWorker.java:79) at com.mathworks.jmi.NativeMatlab.dispatchMTRequests(NativeMatlab.java:440)

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Tom Holroyd 2014-10-20

I also get this with R2014a (8.3.0.532) 64-bit except I am on Fedora 19.

java version "1.7.0_65" OpenJDK Runtime Environment (fedora-2.5.2.4.fc19-x86_64 u65-b17) OpenJDK 64-Bit Server VM (build 24.65-b04, mixed mode)

I installed R2014a on top of a previous version.

Also the simple "HELP command" no longer works.

Sean Fulop 2014-10-20

I think I may have figured out that the problem traces back to having an old patdef.m from previous installations. Your old pathdef will continue to override path defaults which are needed to access various classes etc.

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