Re: Oracle error ORA-00604: ?? SQL ?? 1 ???? ORA-01000

2014-03-11 Thread yu wang
Hi Rick,
Is my case description clear enough? Any suggestions?

Regards,
Yu Wang


On Sat, Mar 8, 2014 at 3:36 PM, yu wang wangy...@gmail.com wrote:

 Hi Rick,
 I have two very big master/slave tale I made them equal-partitioned by
 time stamp columns. So when users query something from two tables, I
 separate the sql into a lot small sql for a lot of very small interval in a
 loop to expedite the Execution of the SQL.
 Then I got too many cursors opened error from Oracle. What I am trying
 to is getting a way to close the cursor explicitly after get its result
 list.

 Regards,
 Yu Wang




 On Fri, Mar 7, 2014 at 10:00 PM, Rick Curtis curti...@gmail.com wrote:

 You're going to have to give a better description of your scenario for us
 to help you.

 Thanks,
 Rick


 On Fri, Mar 7, 2014 at 3:37 AM, yu wang wangy...@gmail.com wrote:

  Hi Gurus,
  I have manager.createNativeQuery() in a loop eventually lead to Oracle
  error:
  ORA-00604 and ORA-01000, which means cursors open in the oracle exceed
 the
  maximum.
 
  My question is how can I close some cursors explicitly in a loop? I try
  manager.clear() but seems it does not work.
 
  We are using OpenJPA 1.2.3.
 
  Regards,
  Yu Wang
 



 --
 *Rick Curtis*





Re: Oracle error ORA-00604: ?? SQL ?? 1 ???? ORA-01000

2014-03-11 Thread yu wang
Actually I just want to find a OpenJpa equivalence to close() method of
JDBC Statement class


On Tue, Mar 11, 2014 at 5:56 PM, yu wang wangy...@gmail.com wrote:

 Hi Rick,
 Is my case description clear enough? Any suggestions?

 Regards,
 Yu Wang


 On Sat, Mar 8, 2014 at 3:36 PM, yu wang wangy...@gmail.com wrote:

 Hi Rick,
 I have two very big master/slave tale I made them equal-partitioned by
 time stamp columns. So when users query something from two tables, I
 separate the sql into a lot small sql for a lot of very small interval in a
 loop to expedite the Execution of the SQL.
 Then I got too many cursors opened error from Oracle. What I am trying
 to is getting a way to close the cursor explicitly after get its result
 list.

 Regards,
 Yu Wang




 On Fri, Mar 7, 2014 at 10:00 PM, Rick Curtis curti...@gmail.com wrote:

 You're going to have to give a better description of your scenario for us
 to help you.

 Thanks,
 Rick


 On Fri, Mar 7, 2014 at 3:37 AM, yu wang wangy...@gmail.com wrote:

  Hi Gurus,
  I have manager.createNativeQuery() in a loop eventually lead to Oracle
  error:
  ORA-00604 and ORA-01000, which means cursors open in the oracle exceed
 the
  maximum.
 
  My question is how can I close some cursors explicitly in a loop? I try
  manager.clear() but seems it does not work.
 
  We are using OpenJPA 1.2.3.
 
  Regards,
  Yu Wang
 



 --
 *Rick Curtis*






Re: Oracle error ORA-00604: ?? SQL ?? 1 ???? ORA-01000

2014-03-11 Thread Rick Curtis
No, your question still isn't very clear.

 Actually I just want to find a OpenJpa equivalence to close() method of JDBC
Statement class
I believe that after OpenJPA is done processing a native query we will
close the statement. If that isn't happening, you could try to cast your
query to an OpenJPAQuery and call .closeAll() on it once you are done using
it.

Hope this helps.
Rick


On Tue, Mar 11, 2014 at 5:21 AM, yu wang wangy...@gmail.com wrote:

 Actually I just want to find a OpenJpa equivalence to close() method of
 JDBC Statement class


 On Tue, Mar 11, 2014 at 5:56 PM, yu wang wangy...@gmail.com wrote:

  Hi Rick,
  Is my case description clear enough? Any suggestions?
 
  Regards,
  Yu Wang
 
 
  On Sat, Mar 8, 2014 at 3:36 PM, yu wang wangy...@gmail.com wrote:
 
  Hi Rick,
  I have two very big master/slave tale I made them equal-partitioned by
  time stamp columns. So when users query something from two tables, I
  separate the sql into a lot small sql for a lot of very small interval
 in a
  loop to expedite the Execution of the SQL.
  Then I got too many cursors opened error from Oracle. What I am trying
  to is getting a way to close the cursor explicitly after get its result
  list.
 
  Regards,
  Yu Wang
 
 
 
 
  On Fri, Mar 7, 2014 at 10:00 PM, Rick Curtis curti...@gmail.com
 wrote:
 
  You're going to have to give a better description of your scenario for
 us
  to help you.
 
  Thanks,
  Rick
 
 
  On Fri, Mar 7, 2014 at 3:37 AM, yu wang wangy...@gmail.com wrote:
 
   Hi Gurus,
   I have manager.createNativeQuery() in a loop eventually lead to
 Oracle
   error:
   ORA-00604 and ORA-01000, which means cursors open in the oracle
 exceed
  the
   maximum.
  
   My question is how can I close some cursors explicitly in a loop? I
 try
   manager.clear() but seems it does not work.
  
   We are using OpenJPA 1.2.3.
  
   Regards,
   Yu Wang
  
 
 
 
  --
  *Rick Curtis*
 
 
 
 




-- 
*Rick Curtis*


Re: Oracle error ORA-00604: ?? SQL ?? 1 ???? ORA-01000

2014-03-11 Thread yu wang
Rick,
I believe openjpa does not close the statement promptly OR an oracle
database jdbc driver issue. It seem if manager is used to create a lot of
native queries in a loop, the cursors in Oracle database will not be
released promptly enough. I am using ojdbc6.jar + openjpa-1.2.3.jar.
Anyway, I will try the cast method. thanks in advance.

Regards,
Yu Wang


On Tue, Mar 11, 2014 at 10:01 PM, Rick Curtis curti...@gmail.com wrote:

 No, your question still isn't very clear.

  Actually I just want to find a OpenJpa equivalence to close() method of
 JDBC
 Statement class
 I believe that after OpenJPA is done processing a native query we will
 close the statement. If that isn't happening, you could try to cast your
 query to an OpenJPAQuery and call .closeAll() on it once you are done using
 it.

 Hope this helps.
 Rick


 On Tue, Mar 11, 2014 at 5:21 AM, yu wang wangy...@gmail.com wrote:

  Actually I just want to find a OpenJpa equivalence to close() method of
  JDBC Statement class
 
 
  On Tue, Mar 11, 2014 at 5:56 PM, yu wang wangy...@gmail.com wrote:
 
   Hi Rick,
   Is my case description clear enough? Any suggestions?
  
   Regards,
   Yu Wang
  
  
   On Sat, Mar 8, 2014 at 3:36 PM, yu wang wangy...@gmail.com wrote:
  
   Hi Rick,
   I have two very big master/slave tale I made them equal-partitioned by
   time stamp columns. So when users query something from two tables, I
   separate the sql into a lot small sql for a lot of very small interval
  in a
   loop to expedite the Execution of the SQL.
   Then I got too many cursors opened error from Oracle. What I am
 trying
   to is getting a way to close the cursor explicitly after get its
 result
   list.
  
   Regards,
   Yu Wang
  
  
  
  
   On Fri, Mar 7, 2014 at 10:00 PM, Rick Curtis curti...@gmail.com
  wrote:
  
   You're going to have to give a better description of your scenario
 for
  us
   to help you.
  
   Thanks,
   Rick
  
  
   On Fri, Mar 7, 2014 at 3:37 AM, yu wang wangy...@gmail.com wrote:
  
Hi Gurus,
I have manager.createNativeQuery() in a loop eventually lead to
  Oracle
error:
ORA-00604 and ORA-01000, which means cursors open in the oracle
  exceed
   the
maximum.
   
My question is how can I close some cursors explicitly in a loop? I
  try
manager.clear() but seems it does not work.
   
We are using OpenJPA 1.2.3.
   
Regards,
Yu Wang
   
  
  
  
   --
   *Rick Curtis*
  
  
  
  
 



 --
 *Rick Curtis*



Re: Oracle error ORA-00604: ?? SQL ?? 1 ???? ORA-01000

2014-03-11 Thread yu wang
Rick,
I tried closeAll() but still got ora-00604 if the loop times is numberous.
I think it proves it is not an issue of openJPA and I will find the
solution from Oracle JDBC driver or datapase parameters directions.

Anyway, I appreciate your prompt help a lot.

Regards,
Yu Wang



On Tue, Mar 11, 2014 at 11:29 PM, yu wang wangy...@gmail.com wrote:

 Rick,
 I believe openjpa does not close the statement promptly OR an oracle
 database jdbc driver issue. It seem if manager is used to create a lot of
 native queries in a loop, the cursors in Oracle database will not be
 released promptly enough. I am using ojdbc6.jar + openjpa-1.2.3.jar.
 Anyway, I will try the cast method. thanks in advance.

 Regards,
 Yu Wang


 On Tue, Mar 11, 2014 at 10:01 PM, Rick Curtis curti...@gmail.com wrote:

 No, your question still isn't very clear.

  Actually I just want to find a OpenJpa equivalence to close() method of
 JDBC
 Statement class
 I believe that after OpenJPA is done processing a native query we will
 close the statement. If that isn't happening, you could try to cast your
 query to an OpenJPAQuery and call .closeAll() on it once you are done
 using
 it.

 Hope this helps.
 Rick


 On Tue, Mar 11, 2014 at 5:21 AM, yu wang wangy...@gmail.com wrote:

  Actually I just want to find a OpenJpa equivalence to close() method of
  JDBC Statement class
 
 
  On Tue, Mar 11, 2014 at 5:56 PM, yu wang wangy...@gmail.com wrote:
 
   Hi Rick,
   Is my case description clear enough? Any suggestions?
  
   Regards,
   Yu Wang
  
  
   On Sat, Mar 8, 2014 at 3:36 PM, yu wang wangy...@gmail.com wrote:
  
   Hi Rick,
   I have two very big master/slave tale I made them equal-partitioned
 by
   time stamp columns. So when users query something from two tables, I
   separate the sql into a lot small sql for a lot of very small
 interval
  in a
   loop to expedite the Execution of the SQL.
   Then I got too many cursors opened error from Oracle. What I am
 trying
   to is getting a way to close the cursor explicitly after get its
 result
   list.
  
   Regards,
   Yu Wang
  
  
  
  
   On Fri, Mar 7, 2014 at 10:00 PM, Rick Curtis curti...@gmail.com
  wrote:
  
   You're going to have to give a better description of your scenario
 for
  us
   to help you.
  
   Thanks,
   Rick
  
  
   On Fri, Mar 7, 2014 at 3:37 AM, yu wang wangy...@gmail.com wrote:
  
Hi Gurus,
I have manager.createNativeQuery() in a loop eventually lead to
  Oracle
error:
ORA-00604 and ORA-01000, which means cursors open in the oracle
  exceed
   the
maximum.
   
My question is how can I close some cursors explicitly in a loop?
 I
  try
manager.clear() but seems it does not work.
   
We are using OpenJPA 1.2.3.
   
Regards,
Yu Wang
   
  
  
  
   --
   *Rick Curtis*
  
  
  
  
 



 --
 *Rick Curtis*





Oracle error ORA-00604: ?? SQL ?? 1 ???? ORA-01000

2014-03-07 Thread yu wang
Hi Gurus,
I have manager.createNativeQuery() in a loop eventually lead to Oracle
error:
ORA-00604 and ORA-01000, which means cursors open in the oracle exceed the
maximum.

My question is how can I close some cursors explicitly in a loop? I try
manager.clear() but seems it does not work.

We are using OpenJPA 1.2.3.

Regards,
Yu Wang


Re: Oracle error ORA-00604: ?? SQL ?? 1 ???? ORA-01000

2014-03-07 Thread Rick Curtis
You're going to have to give a better description of your scenario for us
to help you.

Thanks,
Rick


On Fri, Mar 7, 2014 at 3:37 AM, yu wang wangy...@gmail.com wrote:

 Hi Gurus,
 I have manager.createNativeQuery() in a loop eventually lead to Oracle
 error:
 ORA-00604 and ORA-01000, which means cursors open in the oracle exceed the
 maximum.

 My question is how can I close some cursors explicitly in a loop? I try
 manager.clear() but seems it does not work.

 We are using OpenJPA 1.2.3.

 Regards,
 Yu Wang




-- 
*Rick Curtis*


Re: Oracle error ORA-00604: ?? SQL ?? 1 ???? ORA-01000

2014-03-07 Thread yu wang
Hi Rick,
I have two very big master/slave tale I made them equal-partitioned by time
stamp columns. So when users query something from two tables, I separate
the sql into a lot small sql for a lot of very small interval in a loop to
expedite the Execution of the SQL.
Then I got too many cursors opened error from Oracle. What I am trying to
is getting a way to close the cursor explicitly after get its result list.

Regards,
Yu Wang




On Fri, Mar 7, 2014 at 10:00 PM, Rick Curtis curti...@gmail.com wrote:

 You're going to have to give a better description of your scenario for us
 to help you.

 Thanks,
 Rick


 On Fri, Mar 7, 2014 at 3:37 AM, yu wang wangy...@gmail.com wrote:

  Hi Gurus,
  I have manager.createNativeQuery() in a loop eventually lead to Oracle
  error:
  ORA-00604 and ORA-01000, which means cursors open in the oracle exceed
 the
  maximum.
 
  My question is how can I close some cursors explicitly in a loop? I try
  manager.clear() but seems it does not work.
 
  We are using OpenJPA 1.2.3.
 
  Regards,
  Yu Wang
 



 --
 *Rick Curtis*