reduce severity of CancelledKeyExceptions

	trac ticket 928

router/java/src/net/i2p/router/transport/ntcp/EventPumper.java

@@ -187,7 +187,11 @@ class EventPumper implements Runnable {
                 } catch (IOException ioe) {
                     if (_log.shouldLog(Log.WARN))
                         _log.warn("Error selecting", ioe);
-                }
+                } catch (CancelledKeyException cke) {
+                    if (_log.shouldLog(Log.WARN))
+                        _log.warn("Error selecting", cke);
+		    continue;
+		}
                 
                 if (lastFailsafeIteration + FAILSAFE_ITERATION_FREQ < System.currentTimeMillis()) {
                     // in the *cough* unthinkable possibility that there are bugs in