src/share/classes/com/sun/tools/extcheck/ExtCheck.java

@@ -34,10 +34,11 @@
 import java.util.jar.JarFile;
 import java.util.jar.JarEntry;
 import java.util.jar.Manifest;
 import java.util.jar.Attributes;
 import java.util.jar.Attributes.Name;
+import java.util.zip.ZipException;
 import java.net.URLConnection;
 import java.security.Permission;
 import java.util.jar.*;
 import java.net.JarURLConnection;
 import sun.net.www.ParseUtil;

@@ -193,11 +194,17 @@
      */
     private boolean checkURLRecursively(int indent, URL url)
         throws IOException
     {
         verboseMessage("Comparing with " + url);
-        JarLoader jarloader = new JarLoader(url);
+        JarLoader jarloader = null;
+        try {
+            jarloader = new JarLoader(url);
+        } catch (ZipException ze) {
+            verboseMessage("... skipping non-jar file " + url);
+            return true;
+        }
         JarFile j = jarloader.getJarFile();
         Manifest man = j.getManifest();
         if (man != null) {
             Attributes attr = man.getMainAttributes();
             if (attr != null){

@@ -325,24 +332,21 @@
         private URL csu;
 
         /*
          * Creates a new Loader for the specified URL.
          */
-        JarLoader(URL url) {
+        JarLoader(URL url) throws IOException {
             String urlName = url + "!/";
             URL tmpBaseURL = null;
             try {
                 tmpBaseURL = new URL("jar","",urlName);
                 jar = findJarFile(url);
                 csu = url;
             } catch (MalformedURLException e) {
                 ExtCheck.error("Malformed url "+urlName);
-            } catch (IOException e) {
-                ExtCheck.error("IO Exception occurred");
             }
             base = tmpBaseURL;
-
         }
 
         /*
          * Returns the base URL for this Loader.
          */

@@ -403,8 +407,6 @@
                 i++;
             }
             return urls;
         }
     }
-
-
 }