By design when we open an SSL connection in Java (e.g. through java.net.URL.openConnection(“https://….”)) the JSSE implementation of the SSL protocol performs few validations to ensure the requested host is not fake. This involves validation of the server’s X.509 certificate with the PKIX algorithm and checking the host name agains the certificate subject. If the SSL

Today I had to solve an unusual problem: I needed to find the directory that was used to load a specific Java .class file (the location in the file system of given .class file). I needed it because I wanted to load resources located somewhere in the classPath with file access API (not with accessable