service_name limit ?

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service_name limit ?

Is there any limit on the length of the service name that can be used? I used the PrimeNumberRequester - Replier example and playing around with the service name, I get an error of content filtered topic creation. (I've also increased the contentfilter_property_max_length (http://community.rti.com/rti-doc/510/ndds/doc/html/api_cpp/structDDS__DomainParticipantResourceLimitsQosPolicy.html#aef1ff851202f5777d31528a52d528e4f) from default 256 to 1024).  When the service name is greater than 185 characteres, I get this error, and is there any reason for this limit and what is being added to the contentfiltered topic?  

rsalem@warner:~/rti_workspace/5.3.1/examples/connext_dds/c++/hello_world_request_reply$ ./objs/x64Linux3gcc5.4.0/PrimeNumberRequester 63
PrimeNumberRequester: Sending a request to calculate the prime numbers <= 63 in sequences of 5 or less elements (on domain 0)
CorrelationCFTBuilder::create_correlation_cft:ERROR: Bad parameter: topic name is too long: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaReply
connext::details::EntityUntypedImpl::initialize:!failed (see previous errors)