告警日志里這兩天一直顯示這個錯誤：
ORA-00600:internalerrorcode,arguments:[kcblasm_1],[103],[],[],[],[],[],[]
TueAug1209:20:17CST2014
Errorsinfile/u01/app/oracle/admin/orcl/udump/orcl_ora_29974.trc:
ORA-00600:internalerrorcode,arguments:[kcblasm_1],[103],[],[],[],[],[],[]
TueAug1209:30:17CST2014
Errorsinfile/u01/app/oracle/admin/orcl/udump/orcl_ora_30084.trc:
ORA-00600:internalerrorcode,arguments:[kcblasm_1],[103],[],[],[],[],[],[]
TueAug1209:40:17CST2014
Errorsinfile/u01/app/oracle/admin/orcl/udump/orcl_ora_29919.trc:
ORA-00600:internalerrorcode,arguments:[kcblasm_1],[103],[],[],[],[],[],[]
網上查的解決辦法：
1:臨時的解決方法
如果執行計劃中是hashjoin造成的，在會話層中設置"_hash_join_enable"=false，如：altersessionset"_hash_join_enabled"=false亦可;
如果執行計劃是hashgroupby造成的，設置"_gby_hash_aggregation_enabled"=false
2:根本的解決方法
2.1.優化sql語句，避免遇到bug；
2.2.升級
(1)將數據庫升級psu到10.2.0.5.4和11.2可以修正該問題
(2)對于10.2.0.5.0到10.2.0.5.3的版本，打PATCH7612454來避免改錯誤(該補丁替換lib中的kcbl.o文件)。
通過臨時解決辦法解決問題示例：
追蹤報警日志里提示的trace文件，找到導致出現此錯誤的sql語句
ORA-00600:internalerrorcode,arguments:[kcblasm_1],[103],[],[],[],[],[],[]
CurrentSQLstatementforthissession:
格式化后的sql語句如下：
SELECTINDENTDATE,
INDENTGROUP,
TRANSDATE,
TRANSBY,
TRANSGROUP,
FEEDBACKBY,
FEEDBACKGROUP,
FINANCEDATE,
FINANCEBY,
FINANCEGROUP,
TOTALCOST,
A.TOTALPAY,
PAY_CASH,
PAY_POINTS,
PAY_ADVANCE1,
PAY_ADVANCE2,
PAY_TYPE,
TRANS_PAY,
DISCOUNT_STAFF,
DISCOUNT_SPECIAL,
GAIN_CASH,
GAIN_POINTS,
GAIN_ADVANCE1,
GAIN_ADVANCE2,
TRANS_CUSTNAME,
TRANS_TEL,
TRANS_PROVINCE,
TRANS_CITY,
TRANS_ADDRESS,
TRANS_ZIPCODE,
TRANS_WEIGHT,
TRANS_COMMENTS,
INDENT_COMMENTS,
INDENT_ID,
A.PARTNER_GUID,
A.PROXY_GUID,
TRANS_TEL2,
CUST_MEDIA_ID,
CUST_PARTNER_GUID,
CUST_PROXY_GUID,
PARTNER_VALUE,
PROXY_VALUE,
CUST_PARTNER_VALUE,
CUST_PROXY_VALUE,
DEALBY,
A.FAILREASON,
ISFOOT,
S_REASONID,
DEALFAILREASON,
A.PRE_FUND,
MEDIA_CALLTYPE,
PRE_ADVANCE,
WEB_FLAG,
NEED_INVOICE,
INVOICE_TITLE,
TRANS_AREA,
ORDERTYPE,
PAY_POINTSPRICE,
A.MEDIA,
USERDEFINEDSTATUS,
CUSTOMERNAME,
CUSTOMERID
FROMELITE.TABCINDENTA
LEFTJOINELITE.OBJECTIVEB
ONA.RELATION_ID=B.OBJECTIVE_GUID
LEFTJOINELITE.CUSTOMERC
ONA.CUSTOMER_GUID=C.CUSTOMER_GUID
WHERE(INDENTDATEBETWEEN:1AND:2ORB.MODIFIEDDATEBETWEEN:3AND:4);
將變量:1,:2,:3,:4替換成具體的值執行：
SELECTINDENTDATE,
INDENTGROUP,
TRANSDATE,
TRANSBY,
TRANSGROUP,
FEEDBACKBY,
FEEDBACKGROUP,
FINANCEDATE,
FINANCEBY,
FINANCEGROUP,
TOTALCOST,
A.TOTALPAY,
PAY_CASH,
PAY_POINTS,
PAY_ADVANCE1,
PAY_ADVANCE2,
PAY_TYPE,
TRANS_PAY,
DISCOUNT_STAFF,
DISCOUNT_SPECIAL,
GAIN_CASH,
GAIN_POINTS,
GAIN_ADVANCE1,
GAIN_ADVANCE2,
TRANS_CUSTNAME,
TRANS_TEL,
TRANS_PROVINCE,
TRANS_CITY,
TRANS_ADDRESS,
TRANS_ZIPCODE,
TRANS_WEIGHT,
TRANS_COMMENTS,
INDENT_COMMENTS,
INDENT_ID,
A.PARTNER_GUID,
A.PROXY_GUID,
TRANS_TEL2,
CUST_MEDIA_ID,
CUST_PARTNER_GUID,
CUST_PROXY_GUID,
PARTNER_VALUE,
PROXY_VALUE,
CUST_PARTNER_VALUE,
CUST_PROXY_VALUE,
DEALBY,
A.FAILREASON,
ISFOOT,
S_REASONID,
DEALFAILREASON,
A.PRE_FUND,
MEDIA_CALLTYPE,
PRE_ADVANCE,
WEB_FLAG,
NEED_INVOICE,
INVOICE_TITLE,
TRANS_AREA,
ORDERTYPE,
PAY_POINTSPRICE,
A.MEDIA,
USERDEFINEDSTATUS,
CUSTOMERNAME,
CUSTOMERID
FROMELITE.TABCINDENTA
LEFTJOINELITE.OBJECTIVEB
ONA.RELATION_ID=B.OBJECTIVE_GUID
LEFTJOINELITE.CUSTOMERC
ONA.CUSTOMER_GUID=C.CUSTOMER_GUID
WHERE(INDENTDATEBETWEEN'2012-06-19'AND'2012-08-19'ORB.MODIFIEDDATEBETWEEN'2012-06-19'AND'2012-08-1');
執行報錯：
解決辦法：
altersessionset"_hash_join_enabled"=false;
altersessionset"_gby_hash_aggregation_enabled"=false
--先嘗試一種，如果一種解決了，就沒必要設置另外一種了。
然后再次執行上面的查詢語句，不報錯啦，嘎嘎
成功啦，(*^__^*)嘻嘻……
讓開發人員在程序里加上這條命令即可。
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