Does ODSI handle stale database connections?
When a connection becomes stale, does ODSI automatically refresh it? Or is there any setting that needs to be done in console by which the weblogic server renews the connection when it goes stale?
Edited by: user1055961 on Aug 20, 2010 1:28 AM
Beyond stale database connections, there are any number of reason that a query might fail. For this reason, your client application should catch the exception and then determine if it should retry. This will permit any failure that could be recovered to be recovered. For instance, if one of your (clustered) ODSI servers becomes disconnected from the network, or goes down, a retry from the client would result in the query being sent to a different ODSI server.
To answer your question directly - no, ODSI itself does not automatically retry on database or any other failures. Setting the underlying connection pool to "test on reserve" should handle that.
- Mike
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Please see the data-sources entry below for an example connection pool. They are all pretty much the same. We have a retry-interval and inactivity-timeout specified!
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data-source class="oracle.jdbc.pool.OracleConnectionCacheImpl" location="jdbc/COMMONCoreDS" password="" min-connections="10" username="" url="" xa-location="jdbc/xa/COMMONXADS" inactivity-timeout="60" connection-driver="oracle.jdbc.driver.OracleDriver" wait-timeout="10" max-connect-attempts="3" max-connections="45" name="COMMONDS" ejb-location="jdbc/COMMONDS" connection-retry-interval="30" stmt-cache-size="200">
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http://groups.google.com/group/mailing.database.myodbc/browse_thread/thread/635e32bd80aefb88/e4b7659...)
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http://groups.google.com/group/mailing.database.myodbc/browse_thread/thread/406ef72aab160032/5e9ed45....
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Hi,
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thankssomething I posted before,
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http://enhydra.enhydra.org/project/mailingLists/enhydra/199907/msg00353.html -
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Hi,
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I have also tried to close the database connection but not work.
using System;
using System.IO;
using System.Data.Common;
using System.Windows.Forms;
using System.Threading;
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using System.Data;
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class Program
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get
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set
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dbo_Test
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vi.jpg 75 KB
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I don't know enough about your problem, but you can check for this.
hope this helps,
-James
"Rodger Ball" <[email protected]> wrote in message
news:9suucb$[email protected]..
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Table TTZDF does not exist on database
HI forum
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Review the log in the work directory (dev_w0) the follow message is generated.
A Sat Jun 12 21:19:56 2010
A **GENER Trace switched off ***
B dbmyclu : info : my major identification is 3231713892, minor one 0.
B dbmyclu : info : Time Reference is 1.12.2001 00:00:00h GMT.
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C sc_p=0x2b4da28435b8,no=63,idc_p=(nil),con=0,act=0,slen=190,smax=256,#vars=1,stmt=0x19449e10,table=TTZDF
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C WHERE "CLIENT" = ? ORDER BY "CLIENT" , "DSTRULE" , "YEARACT" WITH LOCK ISOLATION LEVEL 1;
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B *** ERROR => Buffer loading failed: {fcode=293, rc=32, cnt=0, table='TTZDF'}
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C sc_p=0x2b4da28435b8,no=63,idc_p=0x2b4da2909220,con=0,act=0,slen=199,smax=256,#vars=2,stmt=0x19449e10,table=TTZDF
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C IMETO" FROM "TTZDF" WHERE "CLIENT" = ? AND "DSTRULE" = ? ORDER BY "CLIENT" , "DSTRULE" , "YEARACT" ;
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C
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C sc_p=0x2b4da28436e8,no=65,idc_p=(nil),con=0,act=0,slen=190,smax=256,#vars=1,stmt=0x1944e480,table=TTZDF
C SELECT "CLIENT" , "DSTRULE" , "YEARACT" , "DATEFROM" , "TIMEFROM" , "DATETO" , "TIMETO" FROM "TTZDF"
C WHERE "CLIENT" = ? ORDER BY "CLIENT" , "DSTRULE" , "YEARACT" WITH LOCK ISOLATION LEVEL 1;
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C IMETO" FROM "TTZDF" WHERE "CLIENT" = ? AND "DSTRULE" = ? ORDER BY "CLIENT" , "DSTRULE" , "YEARACT" ;
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C
C Sat Jun 12 21:20:28 2010
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C sc_p=0x2b4da28436e8,no=65,idc_p=0x2b4da2909350,con=0,act=0,slen=199,smax=256,#vars=2,stmt=0x1944e480,table=TTZDF
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C
C Sat Jun 12 21:20:30 2010
C *** ERROR => prepare() of C_0065, rc=1, rcSQL=-942 (POS(114) Unknown table name:TTZDF)
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C sc_p=0x2b4da28436e8,no=65,idc_p=0x2b4da2909350,con=0,act=0,slen=199,smax=256,#vars=2,stmt=0x1944e480,table=TTZDF
C SELECT /*+ KEYACCESS */ "CLIENT" , "DSTRULE" , "YEARACT" , "DATEFROM" , "TIMEFROM" , "DATETO" , "T
C IMETO" FROM "TTZDF" WHERE "CLIENT" = ? AND "DSTRULE" = ? ORDER BY "CLIENT" , "DSTRULE" , "YEARACT" ;
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C
C Sat Jun 12 21:20:31 2010
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C sc_p=0x2b4da28436e8,no=65,idc_p=0x2b4da2909350,con=0,act=0,slen=199,smax=256,#vars=2,stmt=0x1944e480,table=TTZDF
C SELECT /*+ KEYACCESS */ "CLIENT" , "DSTRULE" , "YEARACT" , "DATEFROM" , "TIMEFROM" , "DATETO" , "T
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C
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C SELECT /*+ KEYACCESS */ "CLIENT" , "DSTRULE" , "YEARACT" , "DATEFROM" , "TIMEFROM" , "DATETO" , "T
C IMETO" FROM "TTZDF" WHERE "CLIENT" = ? AND "DSTRULE" = ? ORDER BY "CLIENT" , "DSTRULE" , "YEARACT" ;
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C
C Sat Jun 12 21:21:21 2010
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C *** ERROR => SQL PREPARE on connection 0, rc=-942 (POS(114) Unknown table name:TTZDF)
C sc_p=0x2b4da28436e8,no=65,idc_p=0x2b4da2909350,con=0,act=0,slen=199,smax=256,#vars=2,stmt=0x1944e480,table=TTZDF
C SELECT /*+ KEYACCESS */ "CLIENT" , "DSTRULE" , "YEARACT" , "DATEFROM" , "TIMEFROM" , "DATETO" , "T
C IMETO" FROM "TTZDF" WHERE "CLIENT" = ? AND "DSTRULE" = ? ORDER BY "CLIENT" , "DSTRULE" , "YEARACT" ;
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abtstmp#?[613] does not handle return code 2 from dbcrtab#10[1764]
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C
C Sat Jun 12 21:21:29 2010
C *** ERROR => prepare() of C_0066, rc=1, rcSQL=-942 (POS(114) Unknown table name:TTZDF)
C *** ERROR => SQL PREPARE on connection 0, rc=-942 (POS(114) Unknown table name:TTZDF)
C sc_p=0x2b4da2843780,no=66,idc_p=0x2b4da29093e8,con=0,act=0,slen=199,smax=256,#vars=2,stmt=0x194421a0,table=TTZDF
C SELECT /*+ KEYACCESS */ "CLIENT" , "DSTRULE" , "YEARACT" , "DATEFROM" , "TIMEFROM" , "DATETO" , "T
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B ***LOG BZA=> table TTZDF does not exist on database
B *** ERROR => missing return code handler
abtstmp#?[613] does not handle return code 2 from dbcrtab#10[1764]
==> calling sap_dext to abort transaction
M ***LOG R47=> ThResFree, delete (001024) .
I search notes and in sdn forum any information about this error, but there isn´t information.
How i can solve this inconsistence durant the installation for finish the SAP IDES installation.
Hi forums
cheking the process of the installation, the problem i wait have it solve doing the reinstallation with any adjust in the database release .. i will be comment the process to the solution.
Jairothie process was solved with a new installation-
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Database connection to MS SQL 2005 (URGENT Help Needed)
Hi all,
Does anyone know how to connect my adobe form to MS SQL 2005?
I have this code:
try {
InitialContext initialContext = new InitialContext ();
DataSource dataSource = (DataSource) initialContext.lookup ("jdbc/MyAlias");
java.sql.Connection connection = dataSource.getConnection ();
} catch (SQLException e) {
// handle exception
} catch (NamingException e) {
// handle exception
Other than these, what else do i need to do inorder to get my database connection up?
And after my database connection is up, how do i test to check if my database connection is up or not?
How do i extract the information from the database and put them onto the textfields/dropdownlists on my form?
Thanks In AdvanceHi Mel,
After implementing the codes and modifying them, some of them are underlined, why is this so? =X
Or are u willing to exchange msn so i could send u the screenshot instead?
Thanks In Advance
(Sorry im not that good in this)
(I shall underline the areas which represents the red underline in my web dynpro)
//Code for database connection.
InitialContext ctx = new InitialContext();
DataSource ds = (DataSource)_ctx.lookup("jdbc/JXDataSource");_
Connection conn = ds.getConnection();
Statement st = null;
ResultSet rs = null;
IPrivateDetailed_Claims_FormView.IFillDataElement dataEle = null;
st = conn.createStatement();
// Execute the appropriate SQL query
rs = st.executeQuery("SELECT NAME WHERE VENDORCODE='9000116L' ");_
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dataEle.setName(_rs.getString(1)_);
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conn.close();
Edited by: JingXuan Lim on Jan 25, 2008 4:59 AM
Edited by: JingXuan Lim on Jan 25, 2008 5:00 AM -
Infinite loop - A stale JDBC connection was detected in the connection pool
Hello.
I have a simple JSP (no servlets) application with a single Fastlane Reader style view object to back it up. I'm deploying my application under OC4J 10g 9.0.4 using BC4J 9.0.3.11.50 (JDev 9.0.3.3) on RHEL 3.0, j2sdk1.4.2_03.
I run with -Djbo.debugoutput=console
Every so often, intermittently, and totally unpredictably, I see this on stdout for OC4J:
03/12/23 07:42:07 [33326] A stale JDBC connection was detected in the connection pool
03/12/23 07:42:07 [33327] Creating a new pool resource
03/12/23 07:42:07 [33328] Trying connection/2: url='jdbc:oracle:thin:@somedb:1521:somedbsid' info='{user=someuser, password=somepass, dll=ocijdbc9, protocol=thin}' ...
This message occurs over and over ultimately resulting in hundreds upon thousands of failed connections to the database. I have to forcibly restart OC4J to stop it.
The weird thing about it is that it seems to only start doing this on one system (which is our internal deployment site); it works fine under an OC4J running in IDE or on a preproduction machine.
Has anyone experienced this before - or at the very least, can clue me in on getting BC4J to be a little more verbose on the connection failure?
Thanks and Happy Holidays,
SeanHi did you find an answer?
if so, could you post it here?
thanks
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