Options to change jdbc adapter for multiple server nodes without flag in db

Due to load, we are about to add a new server node for additional J2EE memory within XI. Reading the notes and discussions about this, it is apparent that the server nodes don't distinguish between themselves in terms of polling. i.e. If we have a jdbc channel that polls every 24 hours, and you have 2 server nodes, it polls twice at the approximate same time every 24 hours.
Question I have is how have people got around this issue where you cannot update the information to say that the data has been read. i.e. Our scenario is reading the complete table contents every day and sending all information to another system.
Hence, if we have 2 server nodes, we will execute this message twice. When we add a 3rd server node, we will have 3 messages sent at the same time per day.
One complicated option (I think) is to use an application client on XI to schedule a job which calls an ABAP Proxy on the integration client which starts off a ccBPM which in turn reads the database hence single threading this process.
Anyone got any sensible ideas?
Regards,
Matt
ps. Ignore the obvious design flaws with this approach as there is no other option in this scenario due to restrictions in the end system.

Hi Matt,
Extending Bhavesh's point, and assuming the receiver system is SAP, then why not schedule your calls on the receiver system, as the consumer of the data.
The report name and optionally a date range can be written from the RFC via XI to a separate table in the database. The select statement can join the table to the existing view. The update statement can update the new table as your source table or view is obviously out of bounds.
The advantage of this approach is that it results in a classic request response where XI is transparent.
We are planning to do something very similar in our own project.
Best Regards,
Bill

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Structure for Receiver Jdbc adapter for multiple tables

Hi,
For Receiver JDBC adapter,Standard structure
structure as
Statement
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        Action
        Access
Can i make a structure like
Statement
     Tablename(TABLE1)
        Action
        Access
            fields....
     Tablename(TABLE2)
        Action
        Access
            fields......
As i am using tables and I want to insert or update both of them or one based on some conditions.
Will Insert be possible in single Statement or I have to create separate statements for each table. Can you please help me on this?
Thanks in advance
Best Regards,
Harleen Kaur Chadha

Hi Harleen,
        As already said by Dharanveer, all that you need to do is replicate the Statement level, so, istead of using this structure:
Statement
Tablename(TABLE1)
   Action
   Access
     fields....
Tablename(TABLE2)
   Action
   Access
     fields......
        You will construct something like this:
Statement1
Tablename(TABLE1)
   Action
   Access
     fields....
Statement2
Tablename(TABLE2)
   Action
   Access
     fields......
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We are trying to connect from XI to SQL Server 2003 for the first time. Does anyone know what values to use for these 2 parms in the JDBC receiver channel:
1) JDBC Driver
2) Connection

Hi,
JDBC Driver :
jdbc:microsoft:sqlserver://<server name>;DatabaseName=Nameof database
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com.microsoft.jdbc.sqlserver.SQLServerDriver
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How to deploy JDBC driver for SQL server 2005 on PI 7.1
We are in SAP NetWeaver 7.1 Oracle 10G
Third party system is SQL server 2005
There are different JDBC versions are available to download for SQL server 2005.
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Hi,
Hope this How to Guide help you.
How To Install and Configure External Drivers for the JDBC & JMS Adapters from
www.sdn.sap.com/irj/sdn/howtoguides
Regards,
Karthick.
Edited by: Karthick Srinivasan on Apr 13, 2009 4:07 PM

Error in XI Sender JDBC adapter for AS/400 DB2

We are trying to connect to AS/400 DB2 from XI's Sender JDBC Adapter. we got the driver from DataDirect (connectjdbc.jar) and configured it within XI .The configuration according to the manual for this jar file is
// Register the driver with the driver manager
Class.forName("com.ddtek.jdbc.db2.DB2Driver");
// Establish the Connection
String url = "jdbc:datadirect:db2://corpserver1:50000;LocationName=ACCTNG";
Connection con = DriverManager.getConnection(url, "test04", "test04");
In XI we configured this as:
Driver = com.ddtek.jdbc.db2.DB2Driver
Connection = jdbc:datadirect:db2://servername;LocationName=NBHAGWAT
and specified the user id and password
<b>Note</b>: The Port Number is optional
When this was done in XI, we got the below error in the Adapter Monitoring:
Sender Adapter v2108 for Party '', Service 'JDBCtoFile':
Configured at 2006-12-19 15:45:31 MST
History:
- 2006-12-19 15:45:31 MST: Retry interval started. Length: 10.000 s
- 2006-12-19 15:45:31 MST: Error: Accessing database connection 'jdbc:datadirect:db2://AS400a;LocationName=NBHAGWAT' failed: DriverManagerException: Cannot establish connection to URL 'jdbc:datadirect:db2://AS400a;LocationName=NBHAGWAT': SAPClassNotFoundException: com.ddtek.jdbc.db2.DB2Driver
- 2006-12-19 15:45:31 MST: Processing started
Is this because there is something wrong because the way the connection string is specified.
Anybody who has configured XI Sender JDBC adapter for AS/400 DB2, please send us some information on this.
Thank you,
Regards,
Balaji

> SAPClassNotFoundException:
> com.ddtek.jdbc.db2.DB2Driver
It looks like your JDBC driver is not found. Have you deployed the driver to XI?
<a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/3867a582-0401-0010-6cbf-9644e49f1a10">https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/3867a582-0401-0010-6cbf-9644e49f1a10</a>

JNDI Lookup for multiple server instances with multiple cluster nodes

Hi Experts,
I need help with retreiving log files for multiple server instances with multiple cluster nodes. The system is Netweaver 7.01.
There are 3 server instances all instances with 3 cluster nodes.
There are EJB session beans deployed on them to retreive the log information for each server node.
In the session bean there is a method:
public List getServers() {
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ClassLoader saveLoader = Thread.currentThread().getContextClassLoader();
try {
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   String p4Port = null;
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     continue;
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    loc[0] = dispatcherIP;
    loc[1] = p4Port;
    loc[2] = null;
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   mInitialContext.close();
} catch (NamingException e) {
} catch (RemoteException e) {
} finally {
   Thread.currentThread().setContextClassLoader(saveLoader);
return servers;
and the retreived server information used here in another class:
public void run() {
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for (Iterator iter = servers.iterator(); iter.hasNext();) {
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     status = status + e.getMessage();
     System.err.println(e.getMessage());
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     System.err.println(e.getMessage());
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jobComplete = true;
The application is working for multiple server instances with a single cluster node but not working for multiple cusltered environment.
Anybody knows what should be changed to handle more cluster nodes?
Thanks,
Gergely

Thanks for the response.
I was afraid that it would be something like that although
was hoping for
something closer to the application pools we use with IIS to
isolate sites
and limit the impact one badly behaving one can have on
another.
mmr
"Ian Skinner" <[email protected]> wrote in message
news:fe5u5v$pue$[email protected]..
> Run CF with one instance. Look at your processes and see
how much memory
> the "JRun" process is using, multiply this by number of
other CF
> instances.
>
> You are most likely going to end up on implementing a
"handful" of
> instances versus "dozens" of instance on all but the
beefiest of servers.
>
> This can be affected by how much memory each instance
uses. An
> application that puts major amounts of data into
persistent scopes such as
> application and|or session will have a larger foot print
then a leaner
> application that does not put much data into memory
and|or leave it there
> for a very long time.
>
> I know the first time we made use of CF in it's
multi-home flavor, we went
> a bit overboard and created way too many. After nearly
bringing a
> moderate server to its knees, we consolidated until we
had three or four
> or so IIRC. A couple dedicated to to each of our largest
and most
> critical applications and a couple general instances
that ran many smaller
> applications each.
>
>
>
>
>

Can we use single DB Adapter for multiple tables

Hi,
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thanks & regards,
anvv sharma

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mojib

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Rewards point if found usful
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Mahesh

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Hi,
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I just found the solution to this myself.
In a very un-Apple way, this is an undocumented feature only accessible by right- (or control-) clicking.
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I'm using Microsoft Jdbc driver and see there's some leak after running application for a while. I'm sure that it's from Jdbc driver because I sitch to Jtds and the issue went away. My question is is there anybody knows which web sites talk about memory leak issue in Microsoft Jdbc driver for SQL Server?
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Unexpected Signal : EXCEPTION_ACCESS_VIOLATION occurred at PC=0x77f821e1
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0x77D40000 - 0x77DB0000      C:\WINNT\system32\RPCRT4.DLL
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Elapsed Time = 137
# The exception above was detected in native code outside the VM
# Java VM: Java HotSpot(TM) Client VM (1.3.1_02-b02 mixed mode)
I think this error occurs because I'm using sun's JDBC:ODBC Bridge. I'm hoping that using a different driver will solve the problem.
Thanks,
Dan

I used Sun's jdbc odbc driver for a while, with no problems, with Sql Server 7. But anyways, if you want a free type 4 driver, you can get the freetds driver at
https://sourceforge.net/projects/jtds/

Options to change jdbc adapter for multiple server nodes without flag in db

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