what'd I do with this Error stack trace?

[송영빈]

I got some kind of xmlrpc problem? Is it right?   Caused by: org.apache.xmlrpc.XmlRpcException: java.lang.Exception: org.apache.xindice.core.query.CompilationException: Error Compiling XPath _expression_         at org.apache.xmlrpc.XmlRpcClient$Worker.execute(XmlRpcClient.java)         at org.apache.xmlrpc.XmlRpcClient.execute(XmlRpcClient.java)         at org.apache.xindice.client.xmldb.xmlrpc.CollectionImpl.runRemoteCommand(CollectionImpl.java:180)         at org.apache.xindice.client.xmldb.xmlrpc.CollectionImpl.query(CollectionImpl.java:551)         at org.apache.xindice.client.xmldb.XindiceCollection.query(XindiceCollection.java:285)         at org.apache.xindice.client.xmldb.services.QueryService.query(QueryService.java:129)