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

via JIRA by Michal Malohlava, 1 year ago
This exception has no message.
via JIRA by Michal Malohlava, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at water.api.MetadataHandler.fetchRoute(MetadataHandler.java:74)	at water.api.MetadataHandler.listRoutes(MetadataHandler.java:38)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at water.api.Handler.handle(Handler.java:62)	at water.api.RequestServer.handle(RequestServer.java:655)	at water.api.RequestServer.serve(RequestServer.java:596)	at water.JettyHTTPD$H2oDefaultServlet.doGeneric(JettyHTTPD.java:740)	at water.JettyHTTPD$H2oDefaultServlet.doGet(JettyHTTPD.java:670)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:735)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)