netbackup备份aix7.1上的oracle报错？

可以正常通信。hosts也正常，
client补丁不是最新，但是netbackup server 没有升级，一直在使用，突然报错了，不知道原因

下面是日志内容

$Header 65543,50936,103,1513066532,-28800,dbbackup
2,50936,103,103,13347,1513066532487,1620,1796,0:,61:PBX_Client_Proxy::parse_line, line = ack=1 From 172.16.30.17,0:,0,(0|)
2,50936,103,103,13348,1513066532514,1620,1796,0:,69:PBX_Client_Proxy::parse_line, line = extension=EMM From 172.16.30.17,0:,0,(0|)
2,50936,103,103,13349,1513066532514,1620,1796,0:,36:hand_off looking for proxy for = EMM,0:,0,(0|)
2,50936,103,103,13350,1513066532515,1620,1796,0:,33:is_accepting about to return true,0:,0,(0|)
2,50936,103,103,13351,1513066532515,1620,1796,0:,12:Proxy found.,0:,0,(0|)
2,50936,103,103,13352,1513066532515,1620,1796,0:,30:PBX_Client_Proxy::handle_close,0:,0,(0|)
2,50936,103,103,13353,1513066532516,1620,1796,0:,32:Client Expects an ACK, sent one.,0:,0,(0|)

C:\Program Files\Veritas\NetBackup\bin\admincmd>bptestbpcd -client erpdb1 -debug

09:44:17.109 [12044.7296] <2> bptestbpcd: VERBOSE = 0
09:44:17.117 [12044.7296] <2> vnet_pbxConnect: pbxConnectEx Succeeded
09:44:17.119 [12044.7296] <2> logconnections: BPCD CONNECT FROM 172.16.30.17.52
64 TO 172.16.30.1.1556 fd = 600
09:44:17.122 [12044.7296] <2> vnet_pbxConnect: pbxConnectEx Succeeded
09:44:17.126 [12044.7296] <8> do_pbx_service: [vnet_connect.c:2108] via PBX VNE
D CONNECT FROM 172.16.30.17.52265 TO 172.16.30.1.1556 fd = 620
09:44:17.127 [12044.7296] <8> vnet_vnetd_connect_forward_socket_begin: [vnet_vn
td.c:443] VN_REQUEST_CONNECT_FORWARD_SOCKET 10 0xa
09:44:17.238 [12044.7296] <8> vnet_vnetd_connect_forward_socket_begin: [vnet_vn
td.c:460] ipc_string /tmp/vnet-38812513302007932175000000144-bVapOq
09:44:17.640 [12044.7296] <2> get_short_base: (2) premature end of file (byte 1

09:44:17.641 [12044.7296] <2> bpcr_put_vnetd_forward_socket: get_short failed:

09:44:17.642 [12044.7296] <2> local_bpcr_connect: bpcr_put_vnetd_forward_socket
failed: 23
09:44:17.642 [12044.7296] <2> ConnectToBPCD: bpcd_connect_and_verify(erpdb1, er
db1) failed: 23
<16>bptestbpcd main: Function ConnectToBPCD(erpdb1) failed: 23
09:44:17.643 [12044.7296] <16> bptestbpcd main: Function ConnectToBPCD(erpdb1)
ailed: 23
<2>bptestbpcd: socket read failed
09:44:17.644 [12044.7296] <2> bptestbpcd: socket read failed
<2>bptestbpcd: EXIT status = 23
09:44:17.644 [12044.7296] <2> bptestbpcd: EXIT status = 23
socket read failed