Index: Zip.java
===================================================================
RCS file: /home/cvspublic/jakarta-ant/src/main/org/apache/tools/ant/taskdefs/Zip.java,v
retrieving revision 1.14
diff -u -r1.14 Zip.java
--- Zip.java	2000/09/25 14:35:50	1.14
+++ Zip.java	2000/10/12 08:53:50
@@ -135,6 +135,13 @@
         if (baseDir == null && filesets.size() == 0 && "zip".equals(archiveType))
             throw new BuildException("basedir attribute must be set, or at least one fileset must be given!");
 
+        if (zipFile == null) {
+            String fileType = "zip";
+            if ("jar".equals(taskType)) fileType = "jar";
+            if ("war".equals(taskType)) fileType = "war";
+            throw new BuildException("You must specify the " + fileType + "file to create!");
+        }
+
         Vector dss = new Vector ();
         if (baseDir != null)
             dss.addElement(getDirectoryScanner(baseDir));