openGL error whenever starting MATLAB on Ubuntu

Whenever I start MATLAB, there's always same error message like below. It was fine when I've first installed, but someday it started with this problem.

javax.media.opengl.GLException: X11GLXDrawableFactory - Could not initialize shared resources for :0
  at jogamp.opengl.x11.glx.X11GLXDrawableFactory$SharedResourceImplementation.createSharedResource(X11GLXDrawableFactory.java:317)
  at jogamp.opengl.SharedResourceRunner.run(SharedResourceRunner.java:295)
  at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
  at jogamp.opengl.GLContextImpl.makeCurrent(GLContextImpl.java:628)
  at jogamp.opengl.GLContextImpl.makeCurrent(GLContextImpl.java:541)
  at jogamp.opengl.x11.glx.X11GLXDrawableFactory$SharedResourceImplementation.createSharedResource(X11GLXDrawableFactory.java:293)
  ... 2 more
Exception in thread "Startup Class Loader" java.lang.InternalError: XXX0 profile[1]: GL3bc -> profileImpl GL4bc !!! not mapped 
  at javax.media.opengl.GLProfile.computeProfileMap(GLProfile.java:2021)
  at javax.media.opengl.GLProfile.initProfilesForDeviceCritical(GLProfile.java:1889)
  at javax.media.opengl.GLProfile.initProfilesForDevice(GLProfile.java:1838)
  at javax.media.opengl.GLProfile.initProfilesForDefaultDevices(GLProfile.java:1807)
  at javax.media.opengl.GLProfile.access$000(GLProfile.java:77)
  at javax.media.opengl.GLProfile$1.run(GLProfile.java:201)
  at java.security.AccessController.doPrivileged(Native Method)
  at javax.media.opengl.GLProfile.initSingleton(GLProfile.java:187)
  at com.mathworks.hg.peer.JavaSceneServerPeer.initializeJOGL(JavaSceneServerPeer.java:134)
  at com.mathworks.hg.peer.JavaSceneServerPeer.<clinit>(JavaSceneServerPeer.java:104)
  at java.lang.Class.forName0(Native Method)
  at java.lang.Class.forName(Unknown Source)
  at com.mathworks.mde.desk.StartupClassLoader.loadClass(StartupClassLoader.java:258)
  at com.mathworks.mde.desk.StartupClassLoader.access$900(StartupClassLoader.java:25)
  at com.mathworks.mde.desk.StartupClassLoader$2.run(StartupClassLoader.java:244)
  at java.lang.Thread.run(Unknown Source)

I'm using 2015a version on ubuntu 16.04 and I've tried before with opengl command. It looked work well because there's no more error message that I mentioned above, but it was failed to use some toolbox functions such as Psychtoolbox. How can I solve it ??

matlab -softwareopengl

Answer 1

[Zenin Easa Panthakkalakath]

According to the description of 'Psychtoolbox', the toolbox uses Hardware-accelerated OpenGL. Using '-softwareopengl' flag makes MATLAB use Software OpenGL.

Try to run MATLAB using the following start-up command. This ensures that graphics libraries are loaded in the right order when MATLAB starts.

matlab -nodesktop -r "opengl info, desktop"