oracle死锁父/子和孩子索引了FK

我需要有人帮助我找出导致死锁的原因.
涉及的表是父/子,子表已索引FK.
?父：PK_FMS_FC_MAIN_FLD_INPUT_LIMIT
?智利：FMS_FC_REL_FLD_INPUT_LIMIT

Deadlock graph:
                       ---------Blocker(s)--------  ---------Waiter(s)---------
Resource Name          process session holds waits  process session holds waits
TX-0019000b-0000b486        22    2755     X             57     492           S
TX-00010019-00061e13        57     492     X             22    2755           S

session 2755: DID 0001-0016-00000FCE    session 492: DID 0001-0039-00000719 
session 492: DID 0001-0039-00000719 session 2755: DID 0001-0016-00000FCE 

Rows waited on:
  Session 2755: obj - rowid = 000DB256 - AADbJWABbAAAYJQAAA
  (dictionary objn - 897622,file - 91,block - 98896,slot - 0)
  Session 492: no row

----- Information for the OTHER waiting sessions -----
Session 492:
  sid: 492 ser: 2757 audsid: 132281277 user: 364/GKS_IM_9990740
    flags: (0x41) USR/- flags_idl: (0x1) BSY/-/-/-/-/-
    flags2: (0x40009) -/-/INC
  pid: 57 O/S info: user: grid,term: UNKNOWN,ospid: 16372
    image: oracle@hgksdb01
  client details:
    O/S info: user: imart,term: unknown,ospid: 1234
    machine: hgkswa05 program: JDBC Thin Client
    application name: JDBC Thin Client,hash value=2546894660
  current SQL:
  DELETE FROM FMS_FC_MAIN_FLD_INPUT_LIMIT MAIN WHERE MAIN.ID = :B1 

----- End of information for the OTHER waiting sessions -----

Information for THIS session:

----- Current SQL Statement for this session (sql_id=56azrvwd48huf) -----
INSERT INTO FMS_FC_REL_FLD_INPUT_LIMIT( ID,RELATION_FIELD_MASTER_CD,CREATE_USER_CD,CREATE_DATE,RECORD_USER_CD,RECORD_DATE ) VALUES( :B4,:B3,:B2,SYSDATE,:B1,SYSDATE )
----- PL/SQL Stack -----
----- PL/SQL Call Stack -----
  object      line  object
  handle    number  name
0x1f37f7a58       462  package body GKS_IM_9990740.ZPKG_PRJ_FLDREL
0x1ed1a9d38         1  anonymous block
===================================================

CREATE TABLE GKS_IM_9990740.FMS_FC_MAIN_FLD_INPUT_LIMIT
(
ID                             NUMBER(18,0) NOT NULL,COMPANY_CD                     VARCHAR2(100) NOT NULL,MAIN_FIELD_TYPE                VARCHAR2(100) NOT NULL,RELATION_FIELD_TYPE            VARCHAR2(100) NOT NULL,START_DATE                     DATE NOT NULL,MAIN_FIELD_MASTER_CD           VARCHAR2(1000) NOT NULL,MAIN_FIELD_SUB_CD              VARCHAR2(1000),IS_INPUT_ENABLE                VARCHAR2(1) NOT NULL,IS_INPUT_COMPULSORY            VARCHAR2(1) NOT NULL,DEFAULT_VALUE                  VARCHAR2(1000),IS_INPUT_LIMIT                 VARCHAR2(1) NOT NULL,CREATE_USER_CD                 VARCHAR2(100) NOT NULL,CREATE_DATE                    TIMESTAMP(6) NOT NULL,RECORD_USER_CD                 VARCHAR2(100),RECORD_DATE                    TIMESTAMP(6),CONSTRAINT PK_FMS_FC_MAIN_FLD_INPUT_LIMIT PRIMARY KEY (ID) USING INDEX
PCTFREE 10
INITRANS 2
MAXTRANS 255
TABLESPACE FMS_DATA
STORAGE(INITIAL 64K NEXT 1M MINEXTENTS 1 MAXEXTENTS 2147483645 BUFFER_POOL DEFAULT)
LOGGING
)

CREATE TABLE GKS_IM_9990740.FMS_FC_REL_FLD_INPUT_LIMIT
(
ID                             NUMBER(18,RELATION_FIELD_MASTER_CD       VARCHAR2(1000) NOT NULL,CONSTRAINT PK_FMS_FC_REL_FLD_INPUT_LIMIT PRIMARY KEY (ID,RELATION_FIELD_MASTER_CD) USING INDEX
PCTFREE 10
INITRANS 2
MAXTRANS 255
TABLESPACE FMS_DATA
STORAGE(INITIAL 64K NEXT 1M MINEXTENTS 1 MAXEXTENTS 2147483645 BUFFER_POOL DEFAULT)
LOGGING,CONSTRAINT FK_FMS_FC_REL_FLD_INPUT_LIMIT0 FOREIGN KEY (ID) REFERENCES GKS_IM_9990740.FMS_FC_MAIN_FLD_INPUT_LIMIT (ID)
)
PCTFREE 10
MAXTRANS 255
TABLESPACE FMS_DATA
STORAGE(INITIAL 64K NEXT 1M MINEXTENTS 1 MAXEXTENTS 2147483645 BUFFER_POOL DEFAULT)
NOCACHE
LOGGING

CREATE INDEX "GKS_IM_9990740"."FK_FMS_FC_REL_FLD_INPUT_LIMIT" ON "GKS_IM_9990740"."FMS_FC_REL_FLD_INPUT_LIMIT"
(
"ID"
)
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS STORAGE
(
INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645 PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT
)
TABLESPACE "FMS_DATA" ;

解决方法

所以,鉴于上述情况,我最好的猜测是：
对于删除,位图索引或ITL插槽不足.
对于插入,重叠pk / uk.

希望有所帮助….

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