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From "Keith Hatton" <khat...@axiomsystems.com>
Subject RE: Problem with JUNIT/XERCES
Date Mon, 06 Jan 2003 14:17:26 GMT
Although this FAQ refers to the GUI test runner for JUnit I think you might find it affects
tests run through Ant as well. It's all to do with class loaders and seems (in my experience)
particularly to grumble about XML libraries.

Keith

http://junit.sourceforge.net/doc/faq/faq.htm#running_8



-----Original Message-----
From: Scott Rickard [mailto:rickard43@insightbb.com]
Sent: 03 January 2003 17:59
To: ant-user@jakarta.apache.org
Subject: Problem with JUNIT/XERCES


Hello All -

I am attempting to upgrade my production build environment from ANT 1.4.1 to
ANT 1.5.1, using the precompiled binary distributions.  I am running under
IBM JDK 1.3.0.3 on AIX 4.33ML10.  Under ANT 1.4 I had no problems with my
junit tasks, but under 1.5.1 I receive the following error message in my
JUNIT tasks:

[junit] Exception in thread "main" java.lang.VerifyError: (class:
org/apache/xerces/jaxp/DocumentBuilderImpl, method: parse signature:
(Lorg/xml/sax/InputSource;)Lorg/w3c/dom/Document;) Incompatible object
argument for method call

This only seems to be affecting my 'optional' tasks, as the standard compile
and jar tasks I use work fine, and even PMD works fine.

I have already attempted upgrading my xalan and junit packages to the latest
levels(Xalan-j_2_4_1 and JUNIT 3.8.1), and the error persists, even with the
latest stable versions of all the code.

My classpath contains the proper jarfiles specified by the documentation,
and I've been using ant (since 1.2 beta release) for about 2 years now, and
never encountered a problem such as this.  I need to move to ANT 1.5.1 to
add in support for a PMD requirement, and I am stuck!  I have searched the
archives, and seen several posts like this, but none offered any
workaround - can anyone offer any insight into this problem?

Thanks in advance,
Scott Rickard
rickard43@insightbb.com


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