[08-7-30 11:25:02:094 CST] 00000035 ServletWrappe E SRVE0068E: 无法调用 servlet WebReport 的 service() 方法。抛出异常:java.lang.NoSuchMethodError: org.eclipse.emf.common.util.AbstractEnumerator: method <init>(ILjava/lang/String;Ljava/lang/String

V not found
at org.eclipse.birt.chart.model.attribute.Position.<init>(Position.java:285)
at org.eclipse.birt.chart.model.attribute.Position.<clinit>(Position.java:114)
at org.eclipse.birt.chart.reportitem.ChartReportItemImpl.<clinit>(ChartReportItemImpl.java:78)
就是org.eclipse.emf.common_2.2.1.v200702131851.jar,org.eclipse.emf.ecore_2.2.2.v200702131851.jar和EMF.JAR冲突.
唉,真的没办法解决了吗??