Sorry for that,It's my IDE(eclipse) problem:(
2013/6/6 Jesse Glick <notifications@github.com>

> In src/main/java/org/jvnet/hudson/MemoryMonitor.java:
>
> > @@ -73,7 +80,7 @@ private static MemoryMonitor obtain() throws IOException {
> >          } catch (Throwable _) {
> >              // fall through next
> >          }
> > -
> > +
>
> In the future please avoid changing formatting of lines you are not
> otherwise editing.
>
> —
> Reply to this email directly or view it on GitHub<https://github.com/jenkinsci/extras-memory-monitor/pull/4/files#r4565542>
> .
>