Hi,
I am using XPath features from xalan.jar v1.2.1, and i am getting
AbstractMethodError. I am passing 2 parameters to the method. First
parameter is xpath string to search for and second parameter is starting
point(node) in the xml file.
Does anybody encountered this error?
Here is code which i am trying:
/* XPathHelper. java */
XPathContext xPathContext = new XPathContext();
XPathParser xPathParser = new
XPathParser(xPathContext.getErrorListener() ,
PathContext.getSAXLocator());
PrefixResolver prefixResolver;
Compiler defaultCompiler = new
Compiler(xPathContext.getErrorListener() ,
xPathContext.getSAXLocator());
public void processXPath(String xPath, Node target) throws Exception
{
prefixResolver = new PrefixResolverDefault(target);
// create the XPath and initialize it
XPath xp = new XPath(xPath, null, prefixResolver, XPath.SELECT);
xPathParser.initXPath(defaultCompiler, xPath, prefixResolver);
// now execute the XPath select statement
XObject list = xp.execute(xPathContext, target, prefixResolver);
NodeSet nodeSet = list.mutableNodeset(); // line 64 , here i get
error at runtime
}
Here is the error stack trace:
java.lang.AbstractMethodError
at
org.apache.xpath.axes.RootWalkerMultiStep.getNextNode(RootWalkerMultiStep.java:108)
at
org.apache.xpath.axes.ChildWalkerMultiStep.nextNode(ChildWalkerMultiStep.java:147)
at
org.apache.xpath.axes.LocPathIterator.nextNode(LocPathIterator.java:689)
at org.apache.xpath.NodeSet.addNodes(NodeSet.java:550)
at org.apache.xpath.NodeSet.<init>(NodeSet.java:154)
at org.apache.xpath.objects.XNodeSet.mutableNodeset(XNodeSet.java:291)
at XPathHelper.processXPath(XPathHelper.java:64)
Appreciated.
Thanks.
Neeraj
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