[rules-users] encounter NullPointerException when adding ruleflow

[Wolfgang Laun]

Indeed. The NPE is caused by the PackageBuilder not having a ProcessBuilder.
It tries to create one, but this fails silently.

You need this class
org.jbpm.process.builder.ProcessBuilderFactoryServiceImpl

-W

On 6 September 2011 12:55, James <cyu021 at gmail.com> wrote:

> I am sure that I have "basicRule.drl" and "basicFlow.rf" in classpath as
> they
> are located in "WEB-INF\classes"
>
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