Indeed. The NPE is caused by the PackageBuilder not having a ProcessBuilder. It tries to create one, but this fails silently. <br><br>You need this class <br>org.jbpm.process.builder.ProcessBuilderFactoryServiceImpl<br><br>
-W<br><br><div class="gmail_quote">On 6 September 2011 12:55, James <span dir="ltr">&lt;<a href="mailto:cyu021@gmail.com">cyu021@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
I am sure that I have &quot;basicRule.drl&quot; and &quot;basicFlow.rf&quot; in classpath as they<br>
are located in &quot;WEB-INF\classes&quot;<br>
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