[rules-users] XmlDumper related problem

[Mark Proctor]

i've not heard of any problems with the 3.0.x XmlDumper, the M1 
XmlDumper and schema has not been updated yet, any volunteers? Sounds 
like all the Descrs could do with good toString() info as well, patch 
welcome :)

Can you confirm the version and show us the drl?

Mark
Niloy Debnath wrote:
> hi,
>
>    i'm trying to implement the VISIT methods of XmlDumper class but it 
> gives the errors like,
>
> no visitor implementation for : class 
> org.drools.lang.descr.PatternDescr : org.drools.lang.descr.PatternDescr at 1a758cb
> no visitor implementation for : class 
> org.drools.lang.descr.PatternDescr : org.drools.lang.descr.PatternDescr at 1a758cb
> java.lang.NullPointerException
>  at org.drools.xml.XmlDumper.appendXmlDump(Unknown Source)
>  at org.drools.xml.XmlDumper.visitPackageDescr(Unknown Source)
>  at org.drools.examples.test2.main(test1.java:69)
>
> i cant understand why it is giving like...
>
> at org.drools.xml.XmlDumper.appendXmlDump(Unknown Source)
> at org.drools.xml.XmlDumper.visitPackageDescr(Unknown Source)
> i've the method like this,
>
> XmlDumper xmldumper = new XmlDumper();
> xmldumper.visitPackageDescr(pdesc);
>
> where pdesc is the object of PackageDescr class.can anybody help me ? 
> i dont know whether i am able to make you understand about my problem 
> or not,if no then plz tell me what information you need.but plz 
> provide me a solution,i need it urgently.
>
> thanking you,
>
> Niloy Debnath
> Student
>
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