Most likely, the address you are getting in whatever HTTP / SOAP server you are running is invalid.

Somebody calls sockaddr_family on an address that is likely undef, most likely because some code above it failed to properly allocate a host name.

In reply to Re: sockaddr_family, length is 0, should be at least 2 by Corion
in thread sockaddr_family, length is 0, should be at least 2 by vshah

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