Ever come across the null pointer exception in Java? We explain what this error message means, why it happens, and how to avoid the billion-dollar mistake.

Version: 0.7.0-p8 I'm trying to create an unpacker from a socket's input stream. It currently throws a NullPointerException MessagePack msgPack = new MessagePack(); Socket socket = new Socket("127.

The response is successfull, but as the response's body is null and the Observable cannot emit a null element, it throw the NullPointerException. how to deal with it ? java.lang.NullPointerExceptio ...