agent log is getting filled with following repeat error multiple time in a second.
[INFO] [IntroscopeAgent.ArfTransport] TCP connection attempt from client localhost:<port>
[INFO] [IntroscopeAgent.ArfTransport] New tcp ARF data connection: {"op":"dataConn","probe":"php","ver":"1","pid":"<pid>","tid":"<tid>
[INFO] [IntroscopeAgent.ArfTransport] TCP connection attempt from client has socket timeout delay set as: 1000
[ERROR] [IntroscopeAgent.ProbeCollector] TcpArfDataConnection type:php instance: <instance> port:<port> message parsing excpetion: Cannot pars
[DEBUG] [IntroscopeAgent.ProbeCollector] ARF exception
java.lang.NumberFormatException: Cannot parse null string
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