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</o:shapelayout></xml><![endif]--></head><body lang=ES link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hello everyone in the list, testing pgpool a failover is triggered but the master is running. The pgpool version is 3.5.5. This is the log reported by pgpool.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Could anybody help me to clarify this error?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The reason could be postgresql server has reached max_connections?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Regards.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2017-02-23 14:18:58: pid 5303: ERROR: unable to read data<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2017-02-23 14:18:58: pid 5303: DETAIL: child connection forced to terminate due to client_idle_limit:300 is reached<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2017-02-23 14:25:31: pid 5479: LOG: pool_read_kind: error message from 1 th backend:sorry, too many clients already<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2017-02-23 14:25:31: pid 5479: ERROR: unable to read message kind<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:red'>2017-02-23 14:25:31: pid 5479: DETAIL: kind does not match between master(52) slot[1] (45)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2017-02-23 14:25:36: pid 5287: ERROR: failed to authenticate<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2017-02-23 14:25:36: pid 5287: DETAIL: invalid authentication message response type, Expecting 'R' and received 'E'<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2017-02-23 14:25:41: pid 55651: ERROR: failed to authenticate<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2017-02-23 14:25:41: pid 55651: DETAIL: invalid authentication message response type, Expecting 'R' and received 'E'<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2017-02-23 14:25:41: pid 55651: ERROR: failed to authenticate<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2017-02-23 14:25:41: pid 55651: DETAIL: invalid authentication message response type, Expecting 'R' and received 'E'<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2017-02-23 14:25:41: pid 55651: LOG: setting backend node 1 status to NODE DOWN<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2017-02-23 14:25:41: pid 55651: LOG: received degenerate backend request for node_id: 1 from pid [55651]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2017-02-23 14:25:41: pid 55651: LOG: starting degeneration. shutdown host 192.168.5.19(5432)<o:p></o:p></span></p></div></body></html>