[This message was posted by Augusto Acuña of Viridian <[email protected]> 
to the "FAST Protocol" discussion forum at http://fixprotocol.org/discuss/46. 
You can reply to it on-line at http://fixprotocol.org/discuss/read/9cc4c938 - 
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Thanks to all. I couldn't solve this issue yet.
The exception message that OpenFast is throwing is:

org.openfast.error.FastException:
The presence map BitVector [00000110 00001101 10100000] has too many bits for 
the group SingleLegReferenceInformation.

So I'm assuming that the api is detecting a SingleLegReferenceInfo message ( 
TID 4) but suddenly something wrong happens with the pmap. 


These are the first 32bytes of the message in hex:

c0 81 23 38 16 80 81 02 31 7a c5 c0 f8 7f fc 84
80 c0 04 5d d4 b1 01 6c 1d ca 4e 4f 56 ce 4f d0


Can anybody guess what's wrong ?

> Assuming that OpenFAST is a reasonable application that allows a
> receiver application to decode data stream against a set of templates in
> my opinion the problem is most likely with incorrect templates.
> 
> For your information EnBS utilizes maximum 12 PMAP bits in its
> current version.
> 
> Regards, Darshan
> > There are a number of ways in which the pmap can have an excess number
> > of bits. That is, more bits than are utilized by the field operators
> > of the template. In an otherwise functional environment a possible
> > reason can be that the template used for decoding is different from
> > the one used for encoding. Other possibilities include a broken
> > encoder or decoder.
> >
> > /David
> >
> > > Hi. I don't know if this forum is the appropriate place to post
> > > this. I'm kinda lost with some openfast issues. I inserted into the
> > > template the FASTRESET message. That allowed me to decode messages
> > > other than the first VERSION msg. EBS is sending a FASTRESET in
> > > between messages. Whenever I get a freset I'm reseting the openfast
> > > context object. My main problem now is with an openfast exception.
> > > I'm receiving a Single Leg Reference message, some of them are ok
> > > and others throw:
> > >
> > > org.openfast.error.FastException: An error occurred while decoding
> > > SingleLegReferenceInformation Caused by:
> > > org.openfast.error.FastException: The presence map BitVector
> > > [00111110 00001000 11110101] has too many bits for the group
> > > SingleLegReferenceInformation
> > >
> > > How is possible for the Pmap to contain more bits that the decoder
> > > is expecting? Can you help me? Openfast people doesn't seem to read
> > > the mailing list that much.
> > >
> > >
> > > Thank you. Augusto.


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