Index: src/org/netbeans/modules/xml/schema/cookies/ShareableInputSource.java
===================================================================
RCS file: /cvs/xml/schema/src/org/netbeans/modules/xml/schema/cookies/ShareableInputSource.java,v
retrieving revision 1.2
diff -u -b -r1.2 ShareableInputSource.java
--- src/org/netbeans/modules/xml/schema/cookies/ShareableInputSource.java	17 Apr 2003 08:28:17 -0000	1.2
+++ src/org/netbeans/modules/xml/schema/cookies/ShareableInputSource.java	9 Jul 2003 13:02:02 -0000
@@ -47,8 +47,9 @@
     }
 
     public InputStream getByteStream() {
-        if (initialized[1] == false) {
-           stream = new ByteStream(peer.getByteStream(), bufferSize);
+        InputStream in = peer.getByteStream();
+        if (initialized[1] == false && in != null) {
+            stream = new ByteStream(in, bufferSize);
            stream.mark(bufferSize);
            initialized[1] = true;
         }
@@ -56,8 +57,9 @@
     }
 
     public Reader getCharacterStream() {
-        if (initialized[0] == false) {
-            reader = new CharacterStream(peer.getCharacterStream(), bufferSize/2);
+        Reader r = peer.getCharacterStream();
+        if (initialized[0] == false && r != null) {
+            reader = new CharacterStream(r, bufferSize/2);
             initialized[0] = true;
             try {
                 reader.mark(bufferSize/2);