为什么mysql连接器失败？

Question

C:\Users\USER\Documents\NetBeansProjects\Jigger\nbproject\build-impl.xml:1012: Warning: Could not find file F:\mysql-connector-java-5.1.46-bin to copy.
BUILD FAILED (total time: 0 seconds)

有人可以帮助我吗？为什么失败？