[Pgpool-general] what does the error "kind is 0!" mean?

[Christopher Gorge Marges]

I'm using postgres 8.1.1, redhat linux 9, and pgpool 2.7.1

2006-02-07 12:28:13 DEBUG: pid 7275: pool_read_message_length: lenghth: 12
2006-02-07 12:28:13 DEBUG: pid 7275: read kind from backend pending
data Z len: 5 po: 276
2006-02-07 12:28:13 DEBUG: pid 7275: pool_process_query: kind from backend: Z
2006-02-07 12:28:13 DEBUG: pid 7275: pool_read_message_length: lenghth: 5
2006-02-07 12:28:13 DEBUG: pid 7275: ReadyForQuery: message length: 5
2006-02-07 12:28:13 DEBUG: pid 7275: ReadyForQuery: transaction state: I
2006-02-07 12:28:13 DEBUG: pid 7276: read kind from backend 1
2006-02-07 12:28:13 DEBUG: pid 7276: read kind from frontend D(44)
2006-02-07 12:28:13 DEBUG: pid 7276: read kind from backend pending
data ^@ len: 19 po: 1
2006-02-07 12:28:13 DEBUG: pid 7276: read kind from frontend E(45)
2006-02-07 12:28:13 DEBUG: pid 7276: Execute: portal name <>
2006-02-07 12:28:13 DEBUG: pid 7276: read kind from backend pending
data ^@ len: 18 po: 2
2006-02-07 12:28:13 DEBUG: pid 7276: read kind from frontend S(53)
2006-02-07 12:28:13 DEBUG: pid 7276: read kind from backend pending
data ^@ len: 17 po: 3
2006-02-07 12:28:13 ERROR: pid 7276: kind is 0!
2006-02-07 12:28:13 LOG:   pid 7276: do_child: exits with status 1 due to error
2006-02-07 12:28:13 DEBUG: pid 7096: reap_handler called
2006-02-07 12:28:13 DEBUG: pid 7096: child 7276 exits with status 256
by signal 0
2006-02-07 12:28:13 DEBUG: pid 7279: I am 7279
2006-02-07 12:28:13 DEBUG: pid 7096: fork a new child pid 7279
2006-02-07 12:28:13 DEBUG: pid 7275: read kind from frontend P(50)
2006-02-07 12:28:13 DEBUG: pid 7275: read kind from frontend B(42)
2006-02-07 12:28:13 DEBUG: pid 7275: read kind from frontend E(45)
2006-02-07 12:28:13 DEBUG: pid 7275: Execute: portal name <>