system_error.log

WARN [1163789880@qtp-716941846-0 - /] 2010-08-18 19:29:21,561 Responder.java (line 140) system error
org.apache.avro.AvroRuntimeException: Not in union ["string",{"type":"error","name":"InvalidRequestException","namespace":"org.apache.cassandra.avro","fields":[{"name":"why","type":["string","null"]}]}]: java.lang.NullPointerException
        at org.apache.avro.generic.GenericData.resolveUnion(GenericData.java:340)
        at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:67)
        at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:55)
        at org.apache.avro.specific.SpecificResponder.writeError(SpecificResponder.java:81)
        at org.apache.avro.ipc.Responder.respond(Responder.java:137)
        at org.apache.avro.ipc.ResponderServlet.doPost(ResponderServlet.java:48)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)
        at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
        at org.mortbay.jetty.Server.handle(Server.java:322)
        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:536)
        at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:930)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:405)
        at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)