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Posted to dev@xalan.apache.org by Norris Boyd <nb...@atg.com> on 2001/02/23 22:35:59 UTC

[Xalan-J 2 BUG] ClassCastException in XPathAPI.selectNodeList

Problem:

java.lang.ClassCastException:
org.apache.xpath.axes.UnionPathIterator
java.lang.ClassCastException: org.apache.xpath.axes.UnionPathIterator at
org.apache.xpath.XPathAPI.selectNodeList(XPathAPI.java:201)

This is fixed by the following change:

--- XPathAPI.java.old   Fri Feb 23 16:14:59 2001
+++ XPathAPI.java       Fri Feb 23 16:21:17 2001
@@ -198,7 +198,14 @@
     XObject list = eval(contextNode, str, namespaceNode);

     // Have the XObject return its result as a NodeSet.
-    return (NodeList) list.nodeset();
+    NodeSet nodeset = list.mutableNodeset();
+
+    // setShouldCacheNodes(true) be called before the first nextNode()
is
+    //   called, in order that nodes can be added as they are fetched.
+    nodeset.setShouldCacheNodes(true);
+
+    // Return a NodeList.
+    return (NodeList) nodeset;
   }

I added the setShouldCacheNodes call after reading the javadoc for
NodeSet.

Thanks,
Norris Boyd