![ubuntu - "Could not find or load main class" when running executable JAR via "java -jar" - Stack Overflow ubuntu - "Could not find or load main class" when running executable JAR via "java -jar" - Stack Overflow](https://i.stack.imgur.com/dwVmb.png)
ubuntu - "Could not find or load main class" when running executable JAR via "java -jar" - Stack Overflow
![So I'm trying to install optifine.jar and to do so I need to go to the properties >> permissions >> check box to make it "executable". However this box doesn't exist for So I'm trying to install optifine.jar and to do so I need to go to the properties >> permissions >> check box to make it "executable". However this box doesn't exist for](https://i.redd.it/bpr2enfi3hj31.jpg)
So I'm trying to install optifine.jar and to do so I need to go to the properties >> permissions >> check box to make it "executable". However this box doesn't exist for
![How to register your executable JAR file to Ubuntu Server as a Service? | by Mustafa Çağatay Yılmaz | Medium How to register your executable JAR file to Ubuntu Server as a Service? | by Mustafa Çağatay Yılmaz | Medium](https://miro.medium.com/v2/resize:fit:1200/1*aJR6T7uteB9WGOTkjH7tKg.png)
How to register your executable JAR file to Ubuntu Server as a Service? | by Mustafa Çağatay Yılmaz | Medium
![jar is not marked as executable (java) how to mark as executable ubuntu jar executable bit warning - YouTube jar is not marked as executable (java) how to mark as executable ubuntu jar executable bit warning - YouTube](https://i.ytimg.com/vi/j9Wix_emtOc/maxresdefault.jpg)