Oh wait, I see the problem.  All of CodedInputStream's "readBlah()" methods
are for reading *fields* of an outer message.  So, readMessage() reads a
message-typed field, which should be a size followed by some bytes.  You're
trying to feed it a raw message (just the bytes without the size).

You should really just stick to using parseFrom().  Is there some reason you
were trying to use CodedInputStream.readMessage() instead?

On Sun, Feb 22, 2009 at 12:40 AM, Kenton Varda <ken...@google.com> wrote:

> I don't see an obvious reason why this shouldn't work (other than that your
> example code says "toArray" where I think you meant "toByteArray").  Can you
> write a small example program demonstrating the problem which I could debug?
>
>
> On Sat, Feb 21, 2009 at 5:27 PM, Nathaniel <bison...@gmail.com> wrote:
>
>>
>> I'm having a hard time with the readMessageFunction on
>> CodedInputStream
>> CodedInputStream.readMessage(Builder,ExtensionRegistry)
>>
>> org.apache.mina.filter.codec.ProtocolDecoderException:
>> com.google.protobuf.InvalidProtocolBufferException: Protocol message
>> tag had invalid wire type. (Hexdump: 6F 67 6C 65 2E 63 6F 6D)
>>
>>
>> My code looked something like this before I ripped it out to simple
>> use IngestProto.ShareLocation.parseFrom()
>>
>>   IngestProto.ShareLocation.Builder builder =
>> IngestProto.ShareLocation.newBuilder();
>>   builder.setUrl( "http://google.com";);
>>  IngestProto.ShareLocation.Builder builder2 =
>> IngestProto.ShareLocation.newBuilder();
>>  CodedInputStream cis = CodedInputStream.newInstance(builder.build
>> ().toArray());
>>  cis.readMessage( builder2, ExtensionRegistry.getEmptyRegistry());
>>
>>
>>
>> Any ideas?
>> >>
>>
>

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