org.drools.rule.InvalidRulePackage: [4,0]: unknown:4:0 mismatched token: [@17,62:69='expander',,4:0];
at org.drools.rule.Package.checkValidity(Package.java:424)
at org.drools.common.AbstractRuleBase.addPackage(AbstractRuleBase.java:384)
at com.sample.DroolsTest.readRule(DroolsTest.java:64)
at com.sample.DroolsTest.main(DroolsTest.java:21)
什么错误 啊？？？？？
加载DSL rules 用PackageBuilder.addPackageFromDrl(Reader
source, Reader dsl) ?
把报错的代码粘出来看，还有异常信息搞全一点嘛
可能是你的drl中存在在dsl找不到maping
或者像楼上说的 没加载dsl