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I'm absolutely new to ubuntu. I'm going to program java using eclipse, so I extracted file "eclipse-standard-kepler-SR1-linux-gtk-x86_64.tar.gz" in some folder, and tried to run "eclipse" in the extracted folder. But it showed the following message:

"Could not display eclipse.    There is no application installed for
'executable' files. Do you want to search for an application to open
this file?"

I clicked "yes" and installed "pypar2" as its recommendation. But still I cannot execute this file. What should I do to start using eclipse? Can anyone please help me?

marked as duplicate by A.B., Eric Carvalho, Pilot6, user364819, David Foerster Oct 17 '15 at 12:20

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • Do you have a Java Development Kit installed? – David Foerster Oct 17 '15 at 12:20
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you have a variable called $PATH in your bash. any executable that in in one of the folders displayed by

$ echo $PATH

can be executed by giving the name of the executable in any working directory:

$ eclipse

but if your eclipse is not in one of the paths in $PATH you either need to go to the directory where eclipse is and use

$ ./eclipse

or use the full path: e.g.

$ /opt/eclipse/eclipse

i usually create a launcher that i can drag to the bar on the left:

1) create a file with the contents (adapt the paths to your needs):

[Desktop Entry]
Name=eclipse 4.5 mars
Comment=
Exec=/opt/eclipse/eclipse
Icon=/opt/eclipse/icon.xpm
Terminal=false
Type=Application
StartupNotify=true
  1. make the file executable (e.g. with nautlius)

  2. drag and drop the file (again, using nautilus) to the launcher bar.

  • Hi, I have done same thing. But when I open eclise, it shows error: no such directory: /opt/eclipse/eclipse I checked and directory is there. – Aakash Patel May 19 at 18:15
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    /opt/eclipse/eclipse should be an executable file (not a directory). but nowadays i suggest you install eclipse via snap... – hiro protagonist May 20 at 5:12
  • yes eclipse executable is there in /opt/eclipse folder. – Aakash Patel May 20 at 14:24

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