The resource is not on the build path of a Java project error resolution

The resource is not on the build path of a Java project

This problem is generally not found in the corresponding source code, in the corresponding project,

Right---->properties---the Source tab is found on the >java Build Path, which generally refers to the SRC directory, where the SRC directory in the company's project is not directly under the project directory, Some may be put in such as Web-inf (we do not discuss whether it is reasonable), then the source page to sign the SRC directory should point to Web-inf under the SRC, in addition, in the Libraries tab, the general specified JDK depends on the library, Also specify the jar package (the library of this project) under the Lib folder in this project, this way can solve the above problem! Generally need to put open the class, after closing, re-open on the good.

The resource is not on the build path of a Java project error resolution