diff --git a/core/src/main/java/hudson/Util.java b/core/src/main/java/hudson/Util.java
index 9025a6d70c99d760fb22a2eb680d812be28f8eeb..4f5c8139be3017869af483c2d76ed6d6e9b6ae8f 100644
--- a/core/src/main/java/hudson/Util.java
+++ b/core/src/main/java/hudson/Util.java
@@ -27,6 +27,8 @@ import java.io.Writer;
 import java.io.PrintStream;
 import java.net.InetAddress;
 import java.net.UnknownHostException;
+import java.net.URI;
+import java.net.URISyntaxException;
 import java.security.DigestInputStream;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
@@ -696,6 +698,23 @@ public class Util {
         }
     }
 
+    /**
+     * Encodes the URL by RFC 2396.
+     *
+     * I thought there's another spec that refers to UTF-8 as the encoding,
+     * but don't remember it right now.
+     *
+     * @since 1.204
+     */
+    public static String encodeRFC2396(String url) {
+        try {
+            return new URI(null,url,null).toASCIIString();
+        } catch (URISyntaxException e) {
+            LOGGER.warning("Failed to encode "+url);    // could this ever happen?
+            return url;
+        }
+    }
+
     /**
      * Wraps with the error icon and the CSS class to render error message.
      * @since 1.173
diff --git a/core/src/main/java/hudson/maven/reporters/MavenArtifact.java b/core/src/main/java/hudson/maven/reporters/MavenArtifact.java
index 0a2b8585ed25f0d84a70caa119e83566a900fc66..82ed67f4e35c17c43a87dc2dd269b6f194f65a4f 100644
--- a/core/src/main/java/hudson/maven/reporters/MavenArtifact.java
+++ b/core/src/main/java/hudson/maven/reporters/MavenArtifact.java
@@ -156,8 +156,8 @@ public final class MavenArtifact implements Serializable {
      * Called from within Maven to archive an artifact in Hudson.
      */
     public void archive(MavenBuildProxy build, File file, BuildListener listener) throws IOException, InterruptedException {
-        listener.getLogger().println("[HUDSON] Archiving "+ file);
         FilePath target = getArtifactArchivePath(build,groupId,artifactId,version);
+        listener.getLogger().println("[HUDSON] Archiving "+ file+" to "+target);
         new FilePath(file).copyTo(target);
         /* debug probe to investigate "missing artifact" problem typically seen like this:
 
diff --git a/core/src/main/java/hudson/model/AbstractItem.java b/core/src/main/java/hudson/model/AbstractItem.java
index 54228ca42ab47082c5aedf0dd0a14e5234a403a3..4ce5c121d89b24e6d35b0b6f7c734fd48ed3e0f4 100644
--- a/core/src/main/java/hudson/model/AbstractItem.java
+++ b/core/src/main/java/hudson/model/AbstractItem.java
@@ -12,6 +12,7 @@ import org.kohsuke.stapler.export.ExportedBean;
 import java.io.File;
 import java.io.IOException;
 import java.util.Collection;
+import java.net.URI;
 
 import org.kohsuke.stapler.StaplerRequest;
 import org.kohsuke.stapler.StaplerResponse;
@@ -150,7 +151,7 @@ public abstract class AbstractItem extends Actionable implements Item {
         StaplerRequest request = Stapler.getCurrentRequest();
         if(request==null)
             throw new IllegalStateException("Not processing a HTTP request");
-        return request.getRootPath()+'/'+getUrl();
+        return Util.encodeRFC2396(request.getRootPath()+'/'+getUrl());
     }
 
     /**