Description:

Build java project in jenkins and show error message

[javac] /path_of_class.java:1: error while writing Main: /path_of_class.class (Permission denied)
[javac] public class Main
[javac]        ^
[javac] 1 error

Root caused:

permission of directory is not enough
 

Solution:

1.
Open Terminal and move to parent of director which at java project
2.
sudo chmod 777 director_name