Error unable to access jarfile C: \ Jar

Question

My jar P2.jar file (which has the main method and manifest file) is located in C:\Jar Folder . I tried to run it from cmd as follows:

C:SomeRandomFolder> java -jar C:\Jar Folder\P2.jar

I get an error message:

 unable to access jarfile C:\Jar 

It works when I run it from the folder the jar is in:

 C:\Jar Folder> java -jar P2.jar 

Why can't I use the 1st command? Why do I need to go to the directory of my jar file?

Answer 1

This is because of the space that you have in the path name. On Windows, use quotation marks:

java -jar "C:\Jar Folder\P2.jar"

Answer 2

If you are in the terminal and the folder you are in is deleted from you and replaced with the same content, the jar file will be displayed using ls , but will not be accessible, since your current directory has been deleted and replaced with that that looks the same.

I also got this error:

 el@apollo:/myproject/build/jar$ java -jar CalculateStats.jar Unable to access jarfile CalculateStats.jar 

To fix it. cd return the directory and cd back, for example:

 el@apollo:/myproject/build/jar$ cd .. el@apollo:/myproject/build$ cd jar/ el@apollo:/myproject/build/jar$ java -jar CalculateStats.jar Program completed successfully