HTTPClient::ReceiveTimeoutError: execution expired

[Kalpesh Patel]

I am trying to initiate HTTP communication using ::SOAP::RPC:river but
getting below error. Its not consistent. Sometimes it fails, sometimes
goes through.

================
#<HTTPClient::ReceiveTimeoutError: execution expired>

/usr/local/lib/ruby/gems/1.8/gems/httpclient-2.1.5.2/lib/httpclient/timeout.rb:42:in
`fill_rbuff'
/usr/local/lib/ruby/1.8/openssl/buffering.rb:106:in `gets'
/usr/local/lib/ruby/gems/1.8/gems/httpclient-2.1.5.2/lib/httpclient/session.rb:284:in
`gets'
/usr/local/lib/ruby/gems/1.8/gems/httpclient-2.1.5.2/lib/httpclient/session.rb:748:in
`parse_header'
/usr/local/lib/ruby/gems/1.8/gems/httpclient-2.1.5.2/lib/httpclient/timeout.rb:128:in
`timeout'
/usr/local/lib/ruby/gems/1.8/gems/httpclient-2.1.5.2/lib/httpclient/session.rb:746:in
`parse_header'
/usr/local/lib/ruby/gems/1.8/gems/httpclient-2.1.5.2/lib/httpclient/session.rb:727:in
`read_header'
/usr/local/lib/ruby/gems/1.8/gems/httpclient-2.1.5.2/lib/httpclient/session.rb:568:in
`get_header'
/usr/local/lib/ruby/gems/1.8/gems/httpclient-2.1.5.2/lib/httpclient.rb:1003:in
`do_get_header'
/usr/local/lib/ruby/gems/1.8/gems/httpclient-2.1.5.2/lib/httpclient.rb:956:in
`do_get_block'
/usr/local/lib/ruby/gems/1.8/gems/httpclient-2.1.5.2/lib/httpclient.rb:765:in
`do_request'
/usr/local/lib/ruby/gems/1.8/gems/httpclient-2.1.5.2/lib/httpclient.rb:848:in
`protect_keep_alive_disconnected'
/usr/local/lib/ruby/gems/1.8/gems/httpclient-2.1.5.2/lib/httpclient.rb:764:in
`do_request'
/usr/local/lib/ruby/gems/1.8/gems/httpclient-2.1.5.2/lib/httpclient.rb:666:in
`request'
/usr/local/lib/ruby/gems/1.8/gems/httpclient-2.1.5.2/lib/httpclient.rb:596:in
`post'
/usr/local/lib/ruby/gems/1.8/gems/soap4r-1.5.8/lib/soap/streamHandler.rb:238:in
`send_post'
/usr/local/lib/ruby/gems/1.8/gems/soap4r-1.5.8/lib/soap/streamHandler.rb:172:in
`send'
/usr/local/lib/ruby/gems/1.8/gems/soap4r-1.5.8/lib/soap/rpc/proxy.rb:179:in
`route'
/usr/local/lib/ruby/gems/1.8/gems/soap4r-1.5.8/lib/soap/rpc/proxy.rb:143:in
`call'
/usr/local/lib/ruby/gems/1.8/gems/soap4r-1.5.8/lib/soap/rpc/driver.rb:181:in
`call'(eval):6:in `create'

================

I am using "ruby 1.8.7 (2008-08-11 patchlevel 72) [i686-linux]"

Could not find any solution.

Any help?

-Kalpesh