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jsgilmore / gostorm

GoStorm is a Go library that implements the communications protocol required to write Storm spouts and Bolts in Go that communicate with the Storm shells.

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Undefined: proto.ErrWrongType

agopinath12 opened this issue · comments

commented

For my investigation I was using your “split sentence.go” example with the “WordCountTopology.java” example. When I run this example (mvn compile exec:java -Dstorm.topology=storm.starter.WordCountTopology) I get the following error:

This error can also be reproduced by just running the go file on it own.

github.com/jsgilmore/gostorm/messages
/Users//go/src/github.com/jsgilmore/gostorm/messages/messages.pb.go:266: undefined: proto.ErrWrongType
/Users//go/src/github.com/jsgilmore/gostorm/messages/messages.pb.go:288: undefined: proto.ErrWrongType
/Users//go/src/github.com/jsgilmore/gostorm/messages/messages.pb.go:349: undefined: proto.ErrWrongType
/Users//go/src/github.com/jsgilmore/gostorm/messages/messages.pb.go:364: undefined: proto.ErrWrongType
/Users//go/src/github.com/jsgilmore/gostorm/messages/messages.pb.go:426: undefined: proto.ErrWrongType
/Users//go/src/github.com/jsgilmore/gostorm/messages/messages.pb.go:448: undefined: proto.ErrWrongType
/Users//go/src/github.com/jsgilmore/gostorm/messages/messages.pb.go:509: undefined: proto.ErrWrongType
/Users//go/src/github.com/jsgilmore/gostorm/messages/messages.pb.go:531: undefined: proto.ErrWrongType
/Users//go/src/github.com/jsgilmore/gostorm/messages/messages.pb.go:558: undefined: proto.ErrWrongType
/Users//go/src/github.com/jsgilmore/gostorm/messages/messages.pb.go:620: undefined: proto.ErrWrongType
/Users//go/src/github.com/jsgilmore/gostorm/messages/messages.pb.go:620: too many errors

I could not find any reference on "ErrWrongType" on google documentation.

In the WordCountTopology.java I have just changed the shell that was using python to use go instead:

public static class SplitSentence extends ShellBolt implements IRichBolt {

public SplitSentence() {
  super("go","run", "splitsentence.go");
}

@Override
public void declareOutputFields(OutputFieldsDeclarer declarer) {
  declarer.declare(new Fields("word"));
}

@Override
public Map<String, Object> getComponentConfiguration() {
  return null;
}

}

I am not sure why I am getting the above error and I not able to find proto.ErrWrongType either (not sure if its been deprecated). I would very much appreciate it if you could quickly have a look.

commented

goprotobuf and gogoprotobuf removed proto.ErrWrongType.
Just regenerate the proto files with a new version of goprotobuf or gogoprotobuf.
Or you can roll back to an older version of either.

commented

Rebuilt the protocol buffer definitions to take into account recent protocol buffer changes.