http://jdbc.postgresql.org/download/jdbc7.1-1.2.jar has bad format. Neither winzip nor jar can read the contents. Jar throws an IllegalArgumentException and winzip says: error [C:/jdbc7_1-1_2.jar]: start of central directory not found; Zip file corrupt. Possible cause: file transfer error.
C:\>jar -tf *.jar java.lang.IllegalArgumentException at java.util.zip.ZipInputStream.getUTF8String(ZipInputStream.java:291) at java.util.zip.ZipInputStream.readLOC(ZipInputStream.java:230) at java.util.zip.ZipInputStream.getNextEntry(ZipInputStream.java:75) at sun.tools.jar.Main.list(Main.java:736) at sun.tools.jar.Main.run(Main.java:193) at sun.tools.jar.Main.main(Main.java:904) C:\> ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster