[rules-users] Mvel compilation error
Edson Tirelli
tirelli at post.com
Fri Jul 18 10:57:03 EDT 2008
Hey John, I know it is difficult, but we need some way to reproduce...
can you isolate a few rules and run them in a loop trying to force the
exception?
2008/7/17 John Squire <jc_squire at hotmail.com>:
> Hi All,
>
> We are intermittently getting mvel compilation errors with the following:
>
> Caused by: java.lang.IllegalArgumentException: object is not an instance of
> declaring class
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at
> org.mvel.optimizers.impl.refl.MethodAccessor.getValue(MethodAccessor.java:61)
> ... 148 more
>
> The rules compile ok and the application will run normally (rules
> processing successfully) for a few days then this error will occur. Tried to
> replicate but once the application is restarted the last action before the
> failure is repeated and always processes successfully.
>
> Any help would be appreciated.
>
> Regards
> JS
>
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>
>
--
Edson Tirelli
JBoss Drools Core Development
JBoss, a division of Red Hat @ www.jboss.com
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