Problem with XPath expression using JDK1.4.1 with Xalan 2.2 and higher

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Problem with XPath expression using JDK1.4.1 with Xalan 2.2 and higher

Problem with XPath expression using JDK1.4.1 with Xalan 2.2 and higher

2003-04-24 - By Anders Samuelson

Reply: 1 2 3 4 5 6

Hi,

Given the follwing extract of a xml page -

<?xml version="1.0" encoding="UTF-8"?>
<page user-id="User1" service="Login" session="41845463" base-url="servlets
/WUDisp" cache-time="0">
<page-area id="pa1" title="Login">
<paragraph id="p1">
<action id="a1" text="Ok" type="internal" service="MNU" function="Main" button=
"accept"/>
</paragraph>
</page-area>
</page>

- I'm trying to access the 'base-url' and 'session' attributes of the page
element with the XPath expression {/page/@(protected)} and {/page/@(protected)}.
(For the complete java code and stylesheet see attachments. Execute the java
class with the command:
java -Djavax.xml.parsers.DocumentBuilderFactory=org.apache.xerces.jaxp
.DocumentBuilderFactoryImpl TransformTest)

This works fine using JDK 1.4.1 and putting Xalan 2.1 and Xercex 1.4.3 in the
endorsed directory. However using any later versions e.g. Xalan 2.5 together
with Xerces 2.4 fails. The expressions evaluate to "" instead of the values
given in the xml source.

I'm not using any default namespace so there should be no issues there?!

Any help solving this problem is greatly appreciated!

Cheers,

Anders

------------------------------
Aspiro AB
Anders Samuelson, M Sc
Box 118
S-201 21 Malmö
Sweden

Mobile: +46 709 918017
Fax: +46 40 579771

http://www.aspiro.com <http://www.aspiro.com/>
---------------------------

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">

<META content="MSHTML 6.00.2723.2500" name=GENERATOR></HEAD>
<BODY>
<DIV><FONT face=Arial size=2><SPAN
class=877222813-24042003>Hi,</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=877222813-24042003></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=877222813-24042003>Given the follwing
extract of a xml page -</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=877222813-24042003></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=877222813-24042003><?xml
version="1.0" encoding="UTF-8"?><BR><page user-id="User1" service="Login"
session="41845463" base-url="servlets/WUDisp"
cache-time="0"><BR><page-area id="pa1" title="Login"><BR><paragraph
id="p1"><BR><action id="a1" text="Ok" type="internal" service="MNU"
function="Main"
button="accept"/><BR></paragraph><BR></page-area><BR></page
></SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=877222813-24042003></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=877222813-24042003>- I'm trying to
access the 'base-url' and 'session' attributes of the page element with the
XPath expression <A href="mailto:{/page/@(protected)">{/page/@(protected)</A>} and <A
href="mailto:{/page/@(protected)">{/page/@(protected)</A>}.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=877222813-24042003>(For the complete
java code and stylesheet see attachments. Execute the java class with the
command:</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=877222813-24042003>java
-Djavax.xml.parsers.DocumentBuilderFactory=org.apache.xerces.jaxp
.DocumentBuilderFactoryImpl
TransformTest)</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=877222813-24042003></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=877222813-24042003>This works fine
using JDK 1.4.1 and putting Xalan 2.1 and Xercex 1.4.3 in the endorsed
directory. However using any later versions e.g. Xalan 2.5 together with
Xerces 2.4 fails. The expressions evaluate to "" instead of the values given in
the xml source.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=877222813-24042003></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=877222813-24042003>I'm not using any
default namespace so there should be no issues there?!</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=877222813-24042003></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=877222813-24042003>Any help solving
this problem is greatly appreciated!</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=877222813-24042003></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN
class=877222813-24042003>Cheers,</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=877222813-24042003></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN
class=877222813-24042003>Anders</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=877222813-24042003></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=877222813-24042003>
<P><FONT face=Arial size=2>------------------------------</FONT> <BR><FONT
face=Arial size=2>Aspiro AB</FONT> <BR><FONT face=Arial size=2>Anders Samuelson
,
M Sc</FONT> <BR><FONT face=Arial size=2>Box 118</FONT> <BR><FONT face=Arial
size=2>S-201 21 Malmö</FONT> <BR><FONT face=Arial size=2>Sweden</FONT> </P>
<P><FONT face=Arial size=2>Mobile: +46 709 918017</FONT> <BR><FONT face=Arial
size=2>Fax: +46 40 579771</FONT> </P>
<P><FONT face=Arial size=2><A href="http://www.aspiro.com/"
target=_blank>http://www.aspiro.com</A></FONT> <BR><FONT face=Arial
size=2>---------------------------</FONT> </P></SPAN></FONT></DIV></BODY></HTML>