 | | | Getting NullPointerException when upgrading from 2.5.1 to 2.7.0 during setPa | Getting NullPointerException when upgrading from 2.5.1 to 2.7.0 during setPa 2006-04-26 - By toadie D
>
> We are upgrading from 2.5.1 to 2.7.0 and am seeing NPE being thrown when
> 2.5.1 used to throw a TransformerException.
>
> The use case is
>
> we are using entity parameter in the XSLT . In 2.5.1, if a parameter is
> NOT defined but referenced, a TransformerException is thrown. But in
> 2.7.0, we are getting a NPE instead . Any idea if this is a confirmed
> change of behavior in 2.7.0 ?
>
> sample XSL snippet
>
> <!DOCTYPE xsl:stylesheet [
> <!ENTITY MY_ROOT_VALUE '5'>
> ]>
>
> SAXTransformerFactory tf =
> (SAXTransformerFactory)SAXTransformerFactory.newInstance();
>
> Templates tmp = getTemplates();
> if (tmp == null)
> {
> String msg = "XSL transformer source is null.";
> ParserConfigurationException pce = new
> ParserConfigurationException(msg);
> if (m_log != null) m_log.error(msg, pce);
> throw pce;
> }
>
> TransformerHandler th = tf.newTransformerHandler(tmp);
> Transformer t = th.getTransformer();
>
> //Add any optional parameters
> if (m_parameters != null)
> {
> Iterator i = m_parameters.keySet().iterator();
> while (i.hasNext())
> {
> String name = (String)i.next();
> Object value = m_parameters.get(name);
> t.setParameter(name, value); --->>> NPE Thrown here.
> }
> }
> org.apache.xalan.transformer.TransformerImpl.setParameter(
> TransformerImpl.java:1558)
> at org.apache.xalan.transformer.TransformerImpl.setParameter(
> TransformerImpl.java:1606)
> at com.amx.translationstep.translate (translationstep.java :226)
> at ...
>
>
<div>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0
.8ex; BORDER-LEFT: #ccc 1px solid">
<div style="DIRECTION: ltr">
<div>We are upgrading from 2.5.1 to 2.7.0 and am seeing NPE being thrown when 2
.5.1 used to throw a TransformerException.</div>
<div> </div>
<div>The use case is</div>
<div> </div>
<div>we are using entity parameter in the XSLT . In 2.5.1, if a
parameter is NOT defined but referenced, a TransformerException is thrown. 
; But in 2.7.0, we are getting a NPE instead . Any idea if this is a
confirmed</div>
<div>change of behavior in 2.7.0 ? </div>
<div> </div>
<div>sample XSL snippet</div>
<div> </div>
<div><!DOCTYPE xsl:stylesheet [<br> <
!ENTITY MY_ROOT_VALUE '5'><br>]><br> <
/div>
<div> SAXTransformerFactory tf
= (SAXTransformerFactory)SAXTransformerFactory.newInstance();</div>
<div>
<p> Templates tmp =
getTemplates();<br> if (tmp == null)
<br> {<br>
String msg = "XSL
transformer source is null.";<br>  
; ParserConfigurationException pce = new
ParserConfigurationException(msg);
<br> if (m
_log != null) m_log.error(msg, pce);<br>
throw pce;<br>  
; }</p>
<p> TransformerHandler th = tf
.newTransformerHandler(tmp);<br>
Transformer t = th.getTransformer();</p>
<p> //Add any optional parameters<br>
if (m_parameters != null)<br>
{<br>
Iterator i = m_parameters.keySet().iterator();<br> 
; while (i.hasNext()
)<br> {<br>
String name = (String)i.next();
<br>
Object value = m_parameters.get(name);<br>
t
.setParameter(name, value); --->>> NPE Thrown here.
<br> }<br>
}</p></div>
<div> org.apache.xalan.transformer.TransformerImpl.setParameter
(TransformerImpl.java:1558) <br>at org.apache.xalan.transformer.TransformerImpl
.setParameter(TransformerImpl.java:1606) <br>at com.amx.translationstep
.translate
(translationstep.java :226) <br>at ...<br> </div></div></blockquote></div
><br>
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