<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hi all,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have been working with Drools 5.2.0 on windows xp and I have a stable project.<o:p></o:p></p><p class=MsoNormal>I upgraded to windows 8, drools 5.5.0 and upgraded to eclipse Juno (from Helios).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have now encountered a strange problem with my existing drools project. I have a accustom operator called <i>supersetof</i> which now results in the following error reported in the IDE in any file where the supersetOf is used (LHS):<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b>Error: java.lang.NullPointerException </b><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>After receving this error the drools parser does not work, hence this is the only error I have. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have tried to use the Drools 5.2.0 again (on the new windows 8 machine) but I get the same problem so I guess it has to do with some IDE\eclispe configuration or compatibility issue.<o:p></o:p></p><p class=MsoNormal>Obviously not the drools project code as I have not made any changes to the working project.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I did make sure the custom operator is configured similar to the way it was on my previous computer. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any ideas? Is there a different configuration for Juno?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal>Hezi<o:p></o:p></p></div></body></html>