Multi-Dex and "java.exe" exited with code 2

Hello,

I had an error: "java.exe" exited with code 2, then activate multi-dex and now shows this warning:

1>can't write resource [META-INF/MANIFEST.MF] (Duplicate zip entry [android-support-multidex.jar:META-INF/MANIFEST.MF])
1>can't write resource [META-INF/MANIFEST.MF] (Duplicate zip entry [classes.jar:META-INF/MANIFEST.MF])
1>can't write resource [META-INF/MANIFEST.MF] (Duplicate zip entry [bolts-tasks.jar:META-INF/MANIFEST.MF])
1>can't write resource [META-INF/MANIFEST.MF] (Duplicate zip entry [formsviewgroup.jar:META-INF/MANIFEST.MF])
1>can't write resource [META-INF/MANIFEST.MF] (Duplicate zip entry [classes.jar:META-INF/MANIFEST.MF])
1>can't write resource [META-INF/MANIFEST.MF] (Duplicate zip entry [classes.jar:META-INF/MANIFEST.MF])
1>can't write resource [META-INF/MANIFEST.MF] (Duplicate zip entry [classes.jar:META-INF/MANIFEST.MF])
1>can't write resource [META-INF/MANIFEST.MF] (Duplicate zip entry [classes.jar:META-INF/MANIFEST.MF])
1>can't write resource [META-INF/MANIFEST.MF] (Duplicate zip entry [classes.jar:META-INF/MANIFEST.MF])

When activate multi-dex, the error disappear, it works! but shows the warning the above.

how to fix it?