There is no standard api for this, you would have to get your hands
dirty with the source. Look at JavaRuleClassBuilder and you can see
where to put your printouts.
Mark
Yang Song wrote:
Greetings everyone,
Does anyone know how to dump the class generated from .drl file to
disk? Or even better if the generated Java source file can be dumped?
Looking for some hints here, I got a NPE when firing the rules.
However, it is really hard to find out why the NEP was thrown... If I
can have the dumped class file, then I can be disassemble it back to
Java code.
To debug this rule in Eclipse is a bit difficult here, because the
project is a little "big" and we usually use logging to do debugging...
java.lang.NullPointerException
at
monitor.Rule_ftp_other_host_alarm_0.consequence(Rule_ftp_other_host_alarm_0.java:23)
at
monitor.Rule_ftp_other_host_alarm_0ConsequenceInvoker.evaluate(Rule_ftp_other_host_alarm_0ConsequenceInvoker.java:26)
at
org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:545)
at
org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:509)
at org.drools.common.AbstractWorkingMemory.fireAllRules
(AbstractWorkingMemory.java:430)
at
org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:392)
at
com.monitor.ruleengine.InferenceMachine.fireAllRules(InferenceMachine.java:400)
at
com.monitor.ruleengine.InferenceMachine.run(InferenceMachine.java:314)
at java.lang.Thread.run(Thread.java:595)
Thanks very much,
Yang
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