I installed "open jdk 7" on ubuntu 13.04, but not recognized in "other application" list to set as default. I need to open a ".jar" file with "open jdk7". Please help.
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The executable you want to associate with is "java", not "openjdk". Is that in the list? – Ash Jul 21 '13 at 05:16
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Hi Ash, thank you for answer.When I right click on ".jar" file and select "open with" the "oracle java runtime" and "open jdk" are in list but not in default. I want to set one of "java" or "open jdk" as default, but when I go >>> right click > properties > open with to set as default, none of "java" or "open jdk" are in list. Only "oracle java 7 web start" is in list. – Alex Jul 21 '13 at 13:40
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1I'm not sure, does this help: http://askubuntu.com/a/224480/121193 ? – Ash Jul 22 '13 at 10:52
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@Ash thank you for answer, I used your posted link above and fixed my problem. – Alex Jul 22 '13 at 14:19
2 Answers
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1. First you need to have installed java. Can install from Software Center or by following command in terminal. (Open terminal with pressing Ctrl+Alt+T ).
sudo apt-get install openjdk-7-jdk openjdk-7-jre openjdk-7-jre-headless
2. Right click on the .jar file and select Open With Openjdk Java 6/7 Runtime
** If there is no Open With Openjdk Java 6/7 Runtime option in menu, then select Open with and then select Openjdk Java 6/7 Runtime
** If it is not even in the Open with then select Other Aplication... and select Openjdk Java 6/7 Runtime
** If it is even not found here, then select Show other apllications Button. Here you can select Openjdk Java 6/7 Runtime
** If it is not even in Show other apllications list, you need to done something in Terminal
i. Open terminal with pressing Ctrl+Alt+T .
ii. Paste this in terminal prompt and Enter.
gksudo gedit '/usr/share/applications/openjdk-7-java.desktop'
iii. In the resulting gedit document, Change the NoDisplay=true line to NoDisplay=false: then save the file and close it.
iv. Then you will able to find Openjdk Java 6/7 Runtime in any of the above Open with menu.
3. Another method is to create a Desktop icon to launch this .jar file application. To do that :
i. In terminal run gksudo gedit /usr/share/applications/[NAME OF THE APPLICATION].desktop
** Replace the [NAME OF THE APPLICATION] with .jar file name.
iI. Add the following lines to the resulting empty gedit. Replace the text in [ ] with appropriate. Then save it and close.
[Desktop Entry]
Encoding=UTF-8
Name=[APPLICATION NAME]
Comment=[WHAT EVER]
Exec=java -jar [DIRECTORY OF THE FILE]/[FILE NAME.JAR] %F
StartupNotify=true
Terminal=false
Type=Application
Icon=/usr/share/icons/gnome/256x256/apps/[ANY ICON YOU LIKE IN THIS FOLDER]
NoDisplay=false
MimeType=applications/php
iii. You will able to find the icon for this application in Dash. You can open the .jar file application by click on it.
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For me, run with JRE option (steps until "If it is not even in Show other apllications list") is there only for JRE 6, not for JRE 7. – Suma Jul 26 '15 at 11:57
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If none of the previous answers work, you can try this:
How do I reenable opening jar files by double clicking on them?
but if you are using Ubuntu 14.04, you must make a small change in step 1 and 5.
In ubuntu 14.04, the application's name is openjdk-7-policytool.desktop and not openjdk-7-java.desktop.
So, make the changes like this:
Step 1 :
cd /usr/share/applications
ls -l openjdk-7-policytool.desktop
Step 5.
application/x-jar=openjdk-7-policytool.desktop
application/x-java-archive=openjdk-7-policytool.desktop
Then reboot and you are done. Now the java files should be open with Open JDK 7 by default.
Note: To double-click and run, make sure the file has execute permissions.
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If your answer is essentially a referral to another question, it would be better to flag this question as a duplicate of the other (with the [flag] button below this one). If you think the cited answer is outdated or needs other improvements, please suggest an edit to it and don't create a new answer. – David Foerster May 10 '15 at 13:02