More careful reading of org.drools.rule.Package shows that readExternal and writeExternal aren't working on plain ObjectOutputStream in combination with change set monitoring. You must<br><br> OutputStream os = new FileOutputStream( pkgPath );<br>
ObjectOutputStream oos = new <b>Drools</b>ObjectOutputStream( os );<br> KnowledgePackage kPackage = kBuilder.getKnowledgePackages().iterator().next();<br> oos.writeObject( kPackage );<br> oos.close();<br>
<br>org.drools.common.DroolsObjectOutputStream - although just a renaming subclass of ObjectOutputStream - is not part of the "stable" API.<br><br>-W<br><br><br><div class="gmail_quote">On 16 June 2011 19:46, lhorton <span dir="ltr"><<a href="mailto:LHorton@abclegal.com">LHorton@abclegal.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">That is what I was doing in my original source. Your code gives me the same<br>
original exception:<br>
<br>
Caused by: java.lang.ClassCastException: [B cannot be cast to<br>
org.drools.rule.DialectRuntimeRegistry<br>
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