On Nov 24, 7:38 am, "Michael Wood" <[EMAIL PROTECTED]> wrote: > On Mon, Nov 24, 2008 at 4:45 PM, Stuart Sierra > > <[EMAIL PROTECTED]> wrote: > > > If you're running this at the REPL, in recent versions only the name > > of the exception is printed. If you want the full backtrace, do: > > (.printStackTrace *e) > > That doesn't explain why the line number is listed as 0. > > Is that expected? > > The stack trace does not appear to be any more helpful anyway: > > user=> (let [listener (new-listener 8888)] > (.accept listener)) > java.lang.NullPointerException (NO_SOURCE_FILE:0) > user=> (.printStackTrace *e) > java.lang.NullPointerException (NO_SOURCE_FILE:0) > at clojure.lang.Compiler.eval(Compiler.java:4118) > at clojure.lang.Repl.main(Repl.java:93) > Caused by: java.lang.NullPointerException > at > clojure.lang.Reflector.invokeNoArgInstanceMember(Reflector.java:253) > at user$eval__40.invoke(Unknown Source) > at clojure.lang.Compiler.eval(Compiler.java:4107) > ... 1 more > nil > > -- > Michael Wood <[EMAIL PROTECTED]>
The reason the line number is 0 is the NPE happens in the REPL... (new- listener 8888) is not throwing the exception, it's just returning null. The NPE happens on the next line: (.accept listener) where listener is now set to null. Chris --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/clojure?hl=en -~----------~----~----~----~------~----~------~--~---
