Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web null	at sun.rmi.transport.proxy.RMIMasterSocketFactory.checkConnector(Unknown Source)	at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(Unknown Source)