Fix some issues when debugging against package: libraries (Dartium and command-line).

editor/tools/plugins/com.google.dart.tools.debug.core/src/com/google/dart/tools/debug/core/util/ResourceServerHandler.java

Index: editor/tools/plugins/com.google.dart.tools.debug.core/src/com/google/dart/tools/debug/core/util/ResourceServerHandler.java
===================================================================
--- editor/tools/plugins/com.google.dart.tools.debug.core/src/com/google/dart/tools/debug/core/util/ResourceServerHandler.java	(revision 9145)
+++ editor/tools/plugins/com.google.dart.tools.debug.core/src/com/google/dart/tools/debug/core/util/ResourceServerHandler.java	(working copy)
@@ -45,6 +45,7 @@
 import java.net.ConnectException;
 import java.net.InetAddress;
 import java.net.Socket;
+import java.net.SocketException;
 import java.net.URI;
 import java.net.URL;
 import java.net.URLConnection;
@@ -263,7 +264,7 @@
       safeClose(socket);
 
       // ignore java.net.SocketException: Connection reset
-      if (!(ioe instanceof ConnectException)) {
+      if (!(ioe instanceof ConnectException) && !isConnectionReset(ioe)) {
         DartDebugCorePlugin.logError(ioe);
       }
     } catch (Throwable t) {
@@ -592,6 +593,16 @@
     return false;
   }
 
+  private boolean isConnectionReset(IOException ioe) {
+    // ignore java.net.SocketException: Connection reset
+
+    if (ioe instanceof SocketException) {
+      return "Connection reset".equals(ioe.getMessage());
+    }
+
+    return false;
+  }
+
   private boolean isFileJsArtifact(File javaFile) {
     return javaFile.getName().endsWith(".dart.js");
   }