purescale A DRDA AS token "RECOVERABLE"问题？

请问各位大神，purescale经常出现如下错误。请问这个与什么有关系啊？
2018-03-21-11.16.41.756930+480 E474955A679 LEVEL: Error
PID : 2754000 TID : 1876084 PROC : db2sysc 1
INSTANCE: db2sdin1 NODE : 001 DB : TESTDB
APPHDL : 1-43536
HOSTNAME: p780
EDUID : 1876084 EDUNAME: db2agent (TESTDB) 1
FUNCTION: DB2 UDB, DRDA Application Server, sqljsSecurityDriver, probe:608
MESSAGE : DIA5000C A DRDA AS token "RECOVERABLE" was detected. The diagnostic

      data returned is (SRVDGN): "FUNCTION ID = 0303 , PROBE POINT = 0608 , 
      TRACE POINT = 0050 , SUBCODE1 = FFFFFFFF804B0086, SUBCODE2 = 
      000000000000200F, SUBCODE3 = 0000000000000009, ERROR MSG = ".

2018-03-21-11.16.41.759006+480 I475635A582 LEVEL: Error
PID : 2754000 TID : 1876084 PROC : db2sysc 1
INSTANCE: db2sdin1 NODE : 001 DB : TESTDB
APPHDL : 1-43536
HOSTNAME: p780
EDUID : 1876084 EDUNAME: db2agent (TESTDB) 1
FUNCTION: DB2 UDB, DRDA Application Server, sqljsSecurityDriver, probe:50
MESSAGE : ZRC=0x804B0086=-2142568314=SQLJS_PRTCLERR "HDDA PROTOCOL ERROR"
DATA #1 : DDM Object, PD_TYPE_DDM_OBJECT, 16 bytes

    data length : 5
    codepoint   : 0x200f ( RDBRLLBCK )
    length      : 9 ( COMPLETE )

2018-03-21-11.16.41.760381+480 I476218A201 LEVEL: Error
PID:2754000 TID:1876084 NODE:001 Title: DRDA ASCB
Dump File:/home/db2sdin1/sqllib/db2dump/DIAG0001/2754000.1876084.001.dump.bin