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Xalan and jstl 1.1 problem with transform tag

Xalan and jstl 1.1 problem with transform tag

2006-10-23       - By Erin Harris
Reply:     1     2     3     4     5     6  

Hi Valeria,

Which level of Xalan are you using?  If you are using 2.7.x then you would
also need to copy over serializer.jar into the endorsed directory.

Thanks.


Erin Harris





"Valeria P." <valeriapesce@(protected)>
22/10/2006 11:12 AM
Please respond to
"Valeria P." <valeriapesce@(protected)>


To
<xalan-j-users@(protected)>
cc

Subject
Xalan and jstl 1.1 problem with transform tag






Hallo,
I have this problem that I could not solve although I tried all the
suggestions I could find in manuals and in forums/lists archives.

I developed a simple XML based document repository using JSTL xml tags 1.0

under Tomcat 4.0.
Now I am trying to do the same with Tomcat 5 using JSTL 1.1 but I keep
receiving an error message about the instantiation of the transformer:

javax.xml.transform.TransformerFactoryConfigurationError: Provider
org.apache.xalan.transformer.TransformerImpl could not be instantiated:
java.lang.InstantiationException:
org.apache.xalan.transformer.TransformerImpl

I did the following to overcome the problem:
1) download the latest versions of xalan.jar, xercesImpl.jar and
xml-apis.jar and place them under the WEB-inf directory of my application
2) (just to be sure to override any existing old package including the
same
classes) place the same files under TOMCAT_HOME/common/endorsed and
JAVA_HOME/lib/endorsed
3) add:
-Djavax.xml.parsers.DocumentBuilderFactory=org.apache.xerces.jaxp
.DocumentBuilderFactoryImpl
-Djavax.xml.parsers.SAXParserFactory=org.apache.xerces.jaxp.SAXParserFactoryImpl
-Djavax.xml.transform.TransformerFactory=org.apache.xalan.processor
.TransformerFactoryImpl
both to JAVA_OPTS and CATALINA_OPTS

I also tried the CheckEnvironment method and it appears I am running the
correct version of Xalan.

Other details about my test environment:
- Windows XP
- JRE 1.5.0
- Tomcat 5.5.12
- A CMS compliant with Tomcat 5 and coming with JSTL 1.1 libraries
(InfoGlue: www.infoglue.org)

This is my very simple transformer page (very very basic as you can see):

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/xml" prefix="x" %>

<c:import var="xmlText" url="${requestScope.xmlUrl}" />
<c:import var="xslText" url="${requestScope.xslUrl}" />
<c:catch var="ex">
 <x:transform xslt="${xslText}" doc="${xmlText}"></x:transform>
</c:catch>
<c:if test="${not empty ex}">
 <c:out value="${ex}" />
</c:if>

The request-scoped variables contain what they should (I tested them
importing directly to the page without storing the imported contents in
variables).

I really don't know what else to try.

Thank you to those who had the patience to read and to those who will be
so
kind to reply.

Valeria




<br><font size=2 face="sans-serif">Hi Valeria,</font>
<br>
<br><font size=2 face="sans-serif">Which level of Xalan are you using?
&nbsp;If you are using 2.7.x then you would also need to copy over serializer
.jar
into the endorsed directory.</font>
<br>
<br><font size=2 face="sans-serif">Thanks.</font>
<br><font size=2 face="sans-serif"><br>
<br>
Erin Harris<br>
<br>
</font>
<br>
<br>
<br>
<table width=100%>
<tr valign=top>
<td width=40%><font size=1 face="sans-serif"><b>&quot;Valeria P.&quot;
&lt;valeriapesce@(protected)&gt;</b> </font>
<p><font size=1 face="sans-serif">22/10/2006 11:12 AM</font>
<table border>
<tr valign=top>
<td bgcolor=white>
<div align=center><font size=1 face="sans-serif">Please respond to<br>
&quot;Valeria P.&quot; &lt;valeriapesce@(protected)&gt;</font></div></table>
<br>
<td width=59%>
<table width=100%>
<tr valign=top>
<td>
<div align=right><font size=1 face="sans-serif">To</font></div>
<td><font size=1 face="sans-serif">&lt;xalan-j-users@(protected)&gt;</font>
<tr valign=top>
<td>
<div align=right><font size=1 face="sans-serif">cc</font></div>
<td>
<tr valign=top>
<td>
<div align=right><font size=1 face="sans-serif">Subject</font></div>
<td><font size=1 face="sans-serif">Xalan and jstl 1.1 problem with transform
tag</font></table>
<br>
<table>
<tr valign=top>
<td>
<td></table>
<br></table>
<br>
<br>
<br><tt><font size=2>Hallo,<br>
I have this problem that I could not solve although I tried all the <br>
suggestions I could find in manuals and in forums/lists archives.<br>
<br>
I developed a simple XML based document repository using JSTL xml tags
1.0 <br>
under Tomcat 4.0.<br>
Now I am trying to do the same with Tomcat 5 using JSTL 1.1 but I keep
<br>
receiving an error message about the instantiation of the transformer:<br>
<br>
javax.xml.transform.TransformerFactoryConfigurationError: Provider <br>
org.apache.xalan.transformer.TransformerImpl could not be instantiated:
<br>
java.lang.InstantiationException: <br>
org.apache.xalan.transformer.TransformerImpl<br>
<br>
I did the following to overcome the problem:<br>
1) download the latest versions of xalan.jar, xercesImpl.jar and <br>
xml-apis.jar and place them under the WEB-inf directory of my application<br>
2) (just to be sure to override any existing old package including the
same <br>
classes) place the same files under TOMCAT_HOME/common/endorsed and <br>
JAVA_HOME/lib/endorsed<br>
3) add:<br>
-Djavax.xml.parsers.DocumentBuilderFactory=org.apache.xerces.jaxp
.DocumentBuilderFactoryImpl<br>
-Djavax.xml.parsers.SAXParserFactory=org.apache.xerces.jaxp
.SAXParserFactoryImpl<br>
-Djavax.xml.transform.TransformerFactory=org.apache.xalan.processor
.TransformerFactoryImpl<br>
both to JAVA_OPTS and CATALINA_OPTS<br>
<br>
I also tried the CheckEnvironment method and it appears I am running the
<br>
correct version of Xalan.<br>
<br>
Other details about my test environment:<br>
- Windows XP<br>
- JRE 1.5.0<br>
- Tomcat 5.5.12<br>
- A CMS compliant with Tomcat 5 and coming with JSTL 1.1 libraries <br>
(InfoGlue: www.infoglue.org)<br>
<br>
This is my very simple transformer page (very very basic as you can see):<br>
<br>
&lt;%@ taglib uri=&quot;http://java.sun.com/jsp/jstl/core&quot; prefix=&quot;c
&quot;
%&gt;<br>
&lt;%@ taglib uri=&quot;http://java.sun.com/jsp/jstl/xml&quot; prefix=&quot;x
&quot;
%&gt;<br>
<br>
&lt;c:import var=&quot;xmlText&quot; url=&quot;${requestScope.xmlUrl}&quot;
/&gt;<br>
&lt;c:import var=&quot;xslText&quot; url=&quot;${requestScope.xslUrl}&quot;
/&gt;<br>
&lt;c:catch var=&quot;ex&quot;&gt;<br>
&nbsp;&lt;x:transform xslt=&quot;${xslText}&quot; doc=&quot;${xmlText}&quot;
&gt;&lt;/x:transform&gt;<br>
&lt;/c:catch&gt;<br>
&lt;c:if test=&quot;${not empty ex}&quot;&gt;<br>
&nbsp;&lt;c:out value=&quot;${ex}&quot; /&gt;<br>
&lt;/c:if&gt;<br>
<br>
The request-scoped variables contain what they should (I tested them <br>
importing directly to the page without storing the imported contents in
<br>
variables).<br>
<br>
I really don't know what else to try.<br>
<br>
Thank you to those who had the patience to read and to those who will be
so <br>
kind to reply.<br>
<br>
Valeria<br>
<br>
</font></tt>
<br>