JDBC batch query with insert sometimes hangs on executeBatch

We have the following problem:
Java client sends through JDBC INSERT query using batch,
and sometimes this query hangs.
In V$SESSION ACTIVE session appears, which remains ACTIVE forever.
Also locked object appears in V$LOCKED_OBJECT and open coursor appears.
How to know what happens inside the query? Why it hangs?
This is a thread dump for jdbc thread:
The thread dump is listed below:
"SdrWriterThread-1" prio=5 tid=0x184264c8 nid=0x214 runnable [18f1f000..18f1fd94]
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at oracle.net.ns.Packet.receive(Unknown Source)
at oracle.net.ns.NetInputStream.getNextPacket(Unknown Source)
at oracle.net.ns.NetInputStream.read(Unknown Source)
at oracle.net.ns.NetInputStream.read(Unknown Source)
at oracle.net.ns.NetInputStream.read(Unknown Source)
at oracle.jdbc.ttc7.MAREngine.unmarshalUB1(MAREngine.java:718)
at oracle.jdbc.ttc7.MAREngine.unmarshalSB1(MAREngine.java:690)
at oracle.jdbc.ttc7.Oall7.receive(Oall7.java:373)
at oracle.jdbc.ttc7.TTC7Protocol.doOall7(TTC7Protocol.java:1405)
at oracle.jdbc.ttc7.TTC7Protocol.parseExecuteFetch(TTC7Protocol.java:822)
- locked <0x10641b80> (a oracle.jdbc.ttc7.TTC7Protocol)
at oracle.jdbc.driver.OracleStatement.executeNonQuery(OracleStatement.java:1446)
at oracle.jdbc.driver.OracleStatement.doExecuteOther(OracleStatement.java:1371)
at oracle.jdbc.driver.OraclePreparedStatement.executeBatch(OraclePreparedStatement.java:2883)
- locked <0x100900d0> (a oracle.jdbc.driver.OraclePreparedStatement)
at com.jnetx.xr.persistence.DAO.executeBatch(DAO.java:66)

Anton,
Why it hangs?It's waiting for a lock to be released. The default behaviour of Oracle is to wait indefinitely for a lock to be released.
You can see this behaviour if you try to update the same row from tw different "SQL*Plus" sessions, for example (since the default behaviour of "SQL*Plus" is not to automatically commit changes).
In one "SQL*Plus" session, update a row -- but do not commit. In the second session, try to update the same row -- it "hangs". It will remain like this until the first session releases the lock. The simplest way to release the lock is for the first session to execute either a "commit" or "rollback". As soon as you do that, you will see the first session become unstuck.
Of-course, from the [lack of] information you have posted, I cannot tell you what is holding the lock, or why.
Good Luck,
Avi.

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SELECT /* Private - Internal learner */ r.id reg_id, i.id order_item_id, o.id order_id, o.order_no , e.id person_id, format_name(e.fname , e.lname , @@005) , c.id company_id, c.name2 , ent.id entid, ctype.id ctypeid, ctype.name , i.status , items.description , substr ( i.flags , 1 , 1 ) is_conf , r.status status1, rs.description description1 , r.wlist_priority , r.reg_no , r.flags , o.status status2, o.split, null learnerViewOnly, null statusViewOnly, i.approved_status, decode(substr(r.flags,2,1),'1','true','false') isWalkIn, oa.id offering_action_id, oa.status profile_status ,c.name2 org_name ,ctype.name audience_sub_type ,items.description description ,o.order_no order_no ,orderList.description order_status ,approvalList.description approval_status ,e.fname learner_first_name ,e.lname learner_last_name FROM tpt_registration r INNER JOIN let_pvt_offering_request pvt_offreq ON pvt_offreq.class_id = r.class_id INNER JOIN tpt_offering_action oa on oa.id = r.offering_action_id LEFT OUTER JOIN tpt_oe_order_items i ON i.part_id = pvt_offreq.id LEFT OUTER JOIN tpt_oe_order o ON i.order_id = o.id INNER JOIN cmt_person e ON r.student_id = e.id LEFT OUTER JOIN tpt_company c ON e.company_id = c.id LEFT OUTER JOIN tpt_roster_template_entry ent ON r.ros_temp_ent_id = ent.id LEFT OUTER JOIN tpt_customer_type ctype ON ent.customer_type_id = ctype.id INNER JOIN fgt_ext_sys_list_of_val rs ON to_char ( r.status ) = rs.name LEFT OUTER JOIN fgt_ext_sys_list_of_val items ON to_char ( i.status ) = items.name AND items.locale_id = @@005 AND items.list_id = 'sysli000000000000131' LEFT OUTER JOIN fgt_ext_sys_list_of_val orderList ON to_char ( o.status ) = orderList.name AND orderList.list_id = 'sysli000000000000129' AND orderList.locale_id = @@005 LEFT OUTER JOIN fgt_ext_sys_list_of_val approvalList ON to_char(i.approved_status) = approvalList.name AND approvalList.list_id = 'sysli000000000000165' AND approvalList.locale_id = @@005 WHERE e.type = 100 AND r.class_id = @@001 AND r.status = nvl ( to_number(@@002) , r.status ) AND rs.locale_id = @@005 AND rs.list_id = 'sysli000000000000100' AND ((@@003 is null) or (@@003 is not null and r.student_id = @@003))
UNION
SELECT /* Private - External learner */ r.id reg_id, i.id order_item_id, o.id order_id, o.order_no , e.id person_id, format_name(e.fname , e.lname , @@005) , c.id company_id, c.name2 , ent.id entid, ctype.id ctypeid, ctype.name , i.status , items.description , substr ( i.flags , 1 , 1 ) is_conf , r.status status1, rs.description description1 , r.wlist_priority , r.reg_no , r.flags , o.status status2, o.split, null learnerViewOnly, null statusViewOnly, i.approved_status, decode(substr(r.flags,2,1),'1','true','false') isWalkIn, oa.id offering_action_id, oa.status profile_status ,c.name2 org_name ,ctype.name audience_sub_type ,items.description description ,o.order_no order_no ,orderList.description order_status ,approvalList.description approval_status ,e.fname learner_first_name ,e.lname learner_last_name FROM tpt_registration r INNER JOIN let_pvt_offering_request pvt_offreq ON pvt_offreq.class_id = r.class_id INNER JOIN tpt_offering_action oa on r.offering_action_id = oa.id LEFT OUTER JOIN tpt_oe_order_items i ON i.part_id = pvt_offreq.id LEFT OUTER JOIN tpt_oe_order o ON i.order_id = o.id INNER JOIN cmt_person e ON r.student_id = e.id LEFT OUTER JOIN tpt_company c ON e.company_id = c.id LEFT OUTER JOIN tpt_roster_template_entry ent ON r.ros_temp_ent_id = ent.id LEFT OUTER JOIN tpt_customer_type ctype ON ent.customer_type_id = ctype.id INNER JOIN fgt_ext_sys_list_of_val rs ON to_char ( r.status ) = rs.name LEFT OUTER JOIN fgt_ext_sys_list_of_val items ON to_char ( i.status ) = items.name AND items.locale_id = @@005 AND items.list_id = 'sysli000000000000131' LEFT OUTER JOIN fgt_ext_sys_list_of_val orderList ON to_char ( o.status ) = orderList.name AND orderList.locale_id = @@005 AND orderList.list_id = 'sysli000000000000129' LEFT OUTER JOIN fgt_ext_sys_list_of_val approvalList ON to_char(i.approved_status) = approvalList.name AND approvalList.locale_id = @@005 AND approvalList.list_id = 'sysli000000000000165' WHERE e.type = 200 AND r.class_id = @@001 AND r.status = nvl ( to_number(@@002) , r.status ) AND rs.locale_id = @@005 AND rs.list_id = 'sysli000000000000100' AND ((@@003 is null) or (@@003 is not null and r.student_id = @@003)) ORDER BY 34,35,28,29,31,30,33,32

Strange results with Insert statement having select query

Hi all,
I am facing a strange issue with Insert statement based on a select query having multiple joins.
DB- Oracle 10g
Following is the layout of my query -
Insert into Table X
Select distinct Col1, Col2, Col3, Col4, Function(Col 5) from Table A, B
where trunc(updated_date) > = trunc(sysdate-3)
and join conditions for A, B
Union
Select Col1, Col2, Col3, Col4, Function(Col 5) from Table C, D
trunc(updated_date) > = trunc(sysdate-3)
and join conditions for C, D
Union
.... till 4 unions. all tables are residing in the local Database and not having records more than 50,000.
If I execute above insert in a DBMS job, it results into suppose 50 records where as if I execute the select query it gives 56 records.
We observed following things-
a) no issue with size of tablespace
b) no error while inserting
c) since query takes lot of time so we have not used Cursor and PLSQL block for inserting.
d) this discrepancy in number of records happens frequently but not everytime.
e) examined the records left out from the insert, there we couldn't find any specific pattern.
f) there is no constraint on the table X in which we are trying to insert. Also tables A, B, C....
I went through this thread -SQL insert with select statement having strange results but mainly users are having either DB Links or comparison of literal dates, in my case there is none.
Can somebody explain why is the discrepancy and what is the solution for it.
Or atleast some pointers how to proceed with the analysis.
Edited by: Pramod Verma on Mar 5, 2013 4:59 AM
Updated query and added more details

>
Since I am using Trunc() in the where clause so timing should not matter much. Also I manually ruled out records which were updated after the job run.
>
The first rule of troubleshooting is to not let your personal opinion get in the way of finding out what is wrong.
Actually this code, and the process it represents, is the most likely CAUSE of the problem.
>
where trunc(updated_date) > = trunc(sysdate-3)
>
You CANNOT reliably use columns like UPDATED_DATE to select records for processing. Your process is flawed.
The value of that column is NOT the date/time that the data was actually committed; it is the date/time that the row was populated.
If you insert a row into a table right now, using SYSDATE (8am on 3/5/2013) and don't commit that row until April your process will NEVER see that 3/5/2013 date until April.
Here is the more typical scenario that I see all the time.
1. Data is inserted/updated all day long on 3/4/2013.
2. A column, for example UPDATED_DATE is given a value of SYSDATE (3/4/2013) in a query or by a trigger on the table.
3. The insert/update query takes place at 11:55 PM - so the SYSDATE values are for THE DAY THE QUERY BEGAN
4. The data pull begins at 12:05 am (on 3/5/2013 - just after midnight)
5. The transaction is COMMITTED at 12:10 AM (on 3/5/2013); 5 minutes after the data pull began.
That data extract in step 4 will NEVER see those records! They DO NOT EXIST when the data pull query is executed since they haven't been committed.
Even worse, the next nights data pull will not see them either! That is because the next pull will pull data for 3/5/2013 but those records have a date of 3/4/2013. They will never get processed.
>
Job timing is 4am and 10pm EST
>
Another wrinkle is when data is inserted/updated from different timezones and the UPDATED_DATE value is from the CLIENT pc or server. Then you can get even more data missed since the client dates may be hours different than the server date used for the data pull process.
DO NOT try to use UPDATED_DATE type columns to do delta extraction or you can have this issue.

Querying XMLDB respository resource hangs with 10g

HI Mark,
After FTP the xml file into the OracleXMLDB repository, i try to query the contents and the sql session just hangs.
At the same time if i FTP the xml schema and then try to query i can see the contents. Also i could register the xml schema from the resource.
Do you see some problem here.
Perhaps becuase of this, when i use insert statement i get
end - of -communication .
insert into tabl_filecontent values(1, xdburitype('/public/labor/test_file.xml').getxml())
Beucase the content itself could not be queried.
Thanks.

Mark, I found the problem but don't know the solution.
The problem is , if the xmlinstance document has
xsi:noNamespaceSchemaLocation value as the registered schema_url then the query on the resource hangs. But if it not present or somehting else it succeeds.
Is it some validation getting fire or is it a bug ??
Now i have a workaround for the meantime.

Help with insert query

Hi,
I am having issue in inserting value into table by using select statement.
Source table look like this
acct eff_date amt
1 03/04/2012 100
1 03/05/2012 200
1 03/06/2012 100
target table look like this
acct eff_date end_date amt
1 03/04/2012 03/05/2012 100
1 03/05/2012 03/06/2012 200
1 03/06/2012 default value (12/31/9999) 100
My query is
insert into table_tgt
select
acct,
eff_date,
end_date,
amt
from
select
acct,
eff_date,
amt,
row_number() over(partition by acct order by eff_date) as rn,
lead(eff_date) over(partition by acct order by eff_date) as end_date
from table_src
but the query returns value as
acct eff_date end_date amt
1 03/04/2012 03/05/2012 100
1 03/05/2012 03/06/2012 200
1 03/06/2012 null 100
how to get default value when the value is null.
Kindly help.
Regards,
Punitha

936698 wrote:
Hi,
I am having issue in inserting value into table by using select statement.
Source table look like this
acct eff_date amt
1 03/04/2012 100
1 03/05/2012 200
1 03/06/2012 100
target table look like this
acct eff_date end_date amt
1 03/04/2012 03/05/2012 100
1 03/05/2012 03/06/2012 200
1 03/06/2012 default value (12/31/9999) 100
My query is
insert into table_tgt
select
acct,
eff_date,
end_date,
amt
from
select
acct,
eff_date,
amt,
row_number() over(partition by acct order by eff_date) as rn,
lead(eff_date) over(partition by acct order by eff_date) as end_date
from table_src
but the query returns value as
acct eff_date end_date amt
1 03/04/2012 03/05/2012 100
1 03/05/2012 03/06/2012 200
1 03/06/2012 null 100
how to get default value when the value is null.
Kindly help.
Regards,
PunithaJust Use the NVL() to handle NULL Values as
Try this..
select
       acct,
       eff_date,
       nvl(end_date,to_date('12/31/9999','MM/DD/YYYYY'))
       amt
from
    select
       acct,
       eff_date,
       amt,
      row_number() over(partition by acct order by eff_date) as rn,
      lead(eff_date) over(partition by acct order by eff_date) as end_date
from table_src
Thanks,
Shankar
Edited by: Shankar Viji on Jun 7, 2012 12:42 AM

Message:execute non-query failure(insert into EDCSESSIONSTOREENTITY

Hi , my error is
Adobe Reader Extensions ES2
ERROR.....
[com.adobe.idp.common.errors.exception.IDPLoggedException] UserM:GENERIC_WARNING: [Thread Hashcode: 975924454] com.adobe.idp.common.errors.exception.IDPLoggedException| [com.adobe.idp.storeprovider.jdbc.DBStatement] errorCode:12290 errorCodeHEX:0x3002 message:execute non-query failure(insert into EDCSESSIONSTOREENTITY ( id , sequencenumber , renewalcount , sessiondata , sessionendtime) values(?, ?, ?, ?, ?)) chainedException:java.sql.SQLException: Binary logging not possible. Message: Transaction level 'READ-COMMITTED' in InnoDB is not safe for binlog mode 'STATEMENT'chainedExceptionMessage:Binary logging not possible. Message: Transaction level 'READ-COMMITTED' in InnoDB is not safe for binlog mode 'STATEMENT' chainedException trace:java.sql.SQLException: Binary logging not possible. Message: Transaction level 'READ-COMMITTED' in InnoDB is not safe for binlog mode 'STATEMENT'.
why????

Hello,
Theproblem seems to be with isolation level, the below post may help here.
https://confluence.atlassian.com/pages/viewpage.action?pageId=251724630
-Vijay

How to create an ABAP Query with OR logical expression in the select-where

Hi,
In trying to create an ABAP query with parameters. So it will select data where fields are equal to the parameters entered. The default logical expression is SELECT.. WHERE... AND.. However I want to have an OR logical expression instead of AND.. how can I attain this??
Please help me on this.. Points will be rewarded.
Thanks a lot.
Regards,
Question Man

Hi Bhupal, Shanthi, and Saipriya,
Thanks for your replies. But that didn't answer my question.
Bhupal,
You cannot just replace AND with OR in an ABAP QUERY. ABAP QUERY is a self generated SAP code. You'll just declare the tables, input parameters and output fields to be displayed and it will create a SAP standard code. If you'll try to change the code and replace the AND with OR in the SAP standard code, the system will require you to enter access key/object key for that particular query.
Shanthi,
Yes, that is exactly what need to have. I need to retireve DATA whenever one of the conditions was satisfied.
Saipriya,
Like what I have said, this is a standard SAP code so we can't do your suggestion.
I have already tried to insert a code in the ABAP query (there's a part there wherein you can have extra code) but that didn't work. Can anybody help me on this.
Thanks a lot.
Points will be rewarded.
Regards,
Question Man

Need help with INSERT and WITH clause

I wrote sql statement which correctly work, but how i use this statment with INSERT query? NEED HELP. when i wrote insert i see error "ORA 32034: unsupported use of with clause"
with t1 as(
select a.budat,a.monat as period,b.vtweg,
c.gjahr,c.buzei,c.shkzg,c.hkont, c.prctr,
c.wrbtr,
c.matnr,
c.menge,
a.monat,
c.zuonr
from ldw_v1.BKPF a,ldw_v1.vbrk b, ldw_v1.bseg c
where a.AWTYP='VBRK' and a.BLART='RV' and a.BUKRS='8431' and a.awkey=b.vbeln
and a.bukrs=c.bukrs and a.belnr=c.belnr and a.gjahr=c.gjahr and c.koart='D'
and c.ktosl is null and c.gsber='4466' and a.gjahr>='2011' and b.vtweg='01'
,t2 as(
select a.BUKRS,a.BELNR, a.GJAHR,t1.vtweg,t1.budat,t1.monat from t1, ldw_v1.bkpf a
where t1.zuonr=a.xblnr and a.blart='WL' and bukrs='8431'
,tcogs as (
select t2.budat,t2.monat,t2.vtweg, bseg.gjahr,bseg.hkont,bseg.prctr,
sum(bseg.wrbtr) as COGS,bseg.matnr,bseg.kunnr,sum(bseg.menge) as QUANTITY
from t2, ldw_v1.bseg
where t2.bukrs=bseg.bukrs and t2.belnr=bseg.BELNR and t2.gjahr=bseg.gjahr and BSEG.KOART='S'
group by t2.budat,t2.monat,t2.vtweg, bseg.gjahr,bseg.hkont,bseg.prctr,
bseg.matnr,bseg.kunnr
,t3 as
select a.budat,a.monat,b.vtweg,
c.gjahr,c.buzei,c.shkzg,c.hkont, c.prctr,
case when c.shkzg='S' then c.wrbtr*(-1)
else c.wrbtr end as NTS,
c.matnr,c.kunnr,
c.menge*(-1) as Quantity
from ldw_v1.BKPF a,ldw_v1.vbrk b, ldw_v1.bseg c
where a.AWTYP='VBRK' and a.BLART='RV' and a.BUKRS='8431' and a.awkey=b.vbeln
and a.bukrs=c.bukrs and a.belnr=c.belnr and a.gjahr=c.gjahr and c.koart='S'
and c.ktosl is null and c.gsber='4466' and a.gjahr>='2011' and b.vtweg='01'
,trevenue as (
select t3.budat,t3.monat,t3.vtweg, t3.gjahr,t3.hkont,t3.prctr,
sum(t3.NTS) as NTS,t3.matnr,t3.kunnr,sum(t3.QUANTITY) as QUANTITY
from t3
group by t3.budat,t3.monat,t3.vtweg, t3.gjahr,t3.hkont,t3.prctr,t3.matnr,t3.kunnr
select NVL(tr.budat,tc.budat) as budat,
NVL(tr.monat,tc.monat) as monat,
NVL(tr.vtweg,tc.vtweg) as vtweg,
NVL(tr.gjahr, tc.gjahr) as gjahr,
tr.hkont as NTS_hkont,
tc.hkont as COGS_hkont,
NVL(tr.prctr,tc.prctr) as prctr,
NVL(tr.MATNR, tc.MATNR) as matnr,
NVL(tr.kunnr, tc.kunnr) as kunnr,
NVL(tr.Quantity, tc.Quantity) as Quantity,
tr.NTS as NTS,
tc.COGS as COGS
from trevenue TR full outer join tcogs TC
on TR.BUDAT=TC.BUDAT and TR.MONAT=TC.MONAT and TR.GJAHR=TC.GJAHR
and TR.MATNR=TC.MATNR and TR.KUNNR=TC.KUNNR and TR.QUANTITY=TC.QUANTITY
and TR.VTWEG=TC.VTWEG and TR.PRCTR=TC.PRCTR
Edited by: user13566113 on 25.03.2011 5:26

Without seeing what you tried it is hard to say what you did wrong, but this is how it would work
SQL> create table t ( n number );
Table created.
SQL> insert into t
2 with test_data as
3    (select 1 x from dual union all
4     select 2 x from dual union all
5     select 3 x from dual union all
6     select 4 x from dual)
7 select x from test_data;
4 rows created.
SQL>

SQL query with Bind variable with slower execution plan

I have a 'normal' sql select-insert statement (not using bind variable) and it yields the following execution plan:-
Execution Plan
0 INSERT STATEMENT Optimizer=CHOOSE (Cost=7 Card=1 Bytes=148)
1 0 HASH JOIN (Cost=7 Card=1 Bytes=148)
2 1 TABLE ACCESS (BY INDEX ROWID) OF 'TABLEA' (Cost=4 Card=1 Bytes=100)
3 2 INDEX (RANGE SCAN) OF 'TABLEA_IDX_2' (NON-UNIQUE) (Cost=3 Card=1)
4 1 INDEX (FAST FULL SCAN) OF 'TABLEB_IDX_003' (NON-UNIQUE)
(Cost=2 Card=135 Bytes=6480)
Statistics
0 recursive calls
18 db block gets
15558 consistent gets
47 physical reads
9896 redo size
423 bytes sent via SQL*Net to client
1095 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
1 sorts (memory)
0 sorts (disk)
55 rows processed
I have the same query but instead running using bind variable (I test it with both oracle form and SQL*plus), it takes considerably longer with a different execution plan:-
Execution Plan
0 INSERT STATEMENT Optimizer=CHOOSE (Cost=407 Card=1 Bytes=148)
1 0 TABLE ACCESS (BY INDEX ROWID) OF 'TABLEA' (Cost=3 Card=1 Bytes=100)
2 1 NESTED LOOPS (Cost=407 Card=1 Bytes=148)
3 2 INDEX (FAST FULL SCAN) OF TABLEB_IDX_003' (NON-UNIQUE) (Cost=2 Card=135 Bytes=6480)
4 2 INDEX (RANGE SCAN) OF 'TABLEA_IDX_2' (NON-UNIQUE) (Cost=2 Card=1)
Statistics
0 recursive calls
12 db block gets
3003199 consistent gets
54 physical reads
9448 redo size
423 bytes sent via SQL*Net to client
1258 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
1 sorts (memory)
0 sorts (disk)
55 rows processed
TABLEA has around 3million record while TABLEB has 300 records. Is there anyway I can improve the speed of the sql query with bind variable? I have DBA Access to the database
Regards
Ivan

Many thanks for your reply.
I have run the statistic already for the both tableA and tableB as well all the indexes associated with both table (using dbms_stats, I am on 9i db ) but not the indexed columns.
for table I use:-
begin
dbms_stats.gather_table_stats(ownname=> 'IVAN', tabname=> 'TABLEA', partname=> NULL);
end;
for index I use:-
begin
dbms_stats.gather_index_stats(ownname=> 'IVAN', indname=> 'TABLEB_IDX_003', partname=> NULL);
end;
Is it possible to show me a sample of how to collect statisc for INDEX columns stats?
regards
Ivan

JDBC batch query with insert sometimes hangs on executeBatch

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