Java failover for DB2 ZOS

The customers who participate in the SAP/IBM Customer Technical Exchange had entered a development request last year requesting Java Engine failover for DB2/ZOS, similar to the functionality that's been in place several years for the ABAP engine. (Development request # 0020079747 0000172038 2006)
With the next Technical Exchange meeting coming up in September, I thought this forum might be a good way to have other customers respond to this thread to help prioritize the issue with SAP and IBM.
Deere is very interested in getting a solution soon for this issue, or at least getting an estimate of when it may be available when we meet again in September.
Regards,
Carol Wirth
SAP Basis Team
John Deere

Sony Europe is also very anxious to have this issue resolved. It is not acceptable to have no means of controlled DB2 failover for JAVA threads - canceling the DB2 instance is not a good option.
Gill Hanlon
Technical Consultant
Sony Europe

Similar Messages

Replicating simple Java objects for automatic failover

Is there a way to replicate a simple java object that is bound from JNDI
          across all servers so that if the primary server fails, it will
          automatically failover?
          We have a java client that uses JNDI to access EJBs on WLS5.1 SP8. In order
          to determine client information, the client currently binds a simple java
          class in the JNDI tree. The Entity and Session beans use the caller
          principal to locate the object in order to access client-information for
          such things as record locking, logging, etc..
          We have to move this architecture to a cluster environment and we are
          wondering how we can replicate this object across cluster servers so that
          failover is handled automatically, and that it is still accessible through
          JNDI.
          An RMI replicated stub is not enough, since it only works as long as the
          server hosting the RMI object is alive.
          I'd like to add that the object is created and bound at client start-up and
          destroyed at client exit.
          Thank you for any advice or information,
          Dania Kodeih.


A: Replicating simple Java objects for automatic failover

That's what I figured. I guess the only solution in this case is to persist
          the object during client sessions. I was hoping for something simpler, but I
          guess I'll have to create an Entity Bean and everything else that comes with
          it.
          Thanks,
          Dania.
          Cameron Purdy wrote in message <[email protected]>...
          >Unfortunately, when the originating server goes down, the replicated object
          >disappears.
          >
          >Peace,
          >
          >--
          >Cameron Purdy
          >Tangosol, Inc.
          >http://www.tangosol.com
          >+1.617.623.5782
          >WebLogic Consulting Available
          >
          >
          >"Don Ferguson" <[email protected]> wrote in message
          >news:[email protected]..
          >> If I am not mistaken, any serializable object will automatically be
          >replicated
          >> across the tree.
          >>
          >> Dania Kodeih wrote:
          >>
          >> > Is there a way to replicate a simple java object that is bound from
          JNDI
          >> > across all servers so that if the primary server fails, it will
          >> > automatically failover?
          >> >
          >> > We have a java client that uses JNDI to access EJBs on WLS5.1 SP8. In
          >order
          >> > to determine client information, the client currently binds a simple
          >java
          >> > class in the JNDI tree. The Entity and Session beans use the caller
          >> > principal to locate the object in order to access client-information
    �... [Show more]
Read other 4 answers

DB2 java dbms for mac osx?

Hi! i know this might be irrelevant at first sight.
First of all i am running mac osx and i want a decent dbms system.
i'm working on a windows db2 server but i want to port my java application for that dbms to mac.
Do you know any db2 compartible system? (Of course i'm working with java clients)
Thank you!

Metalburma716 wrote:
I have a macintosh Dual G5 running OSX 10.4 and I want to download a compiler, IDE, etc.. so that I can learn to program. I've tried eclipse and I just having a lot of trouble finding something that will work for me. Can anyone please help? thank you so much in advance, Daniel.An IDE is a massive development environment, worthy of plenty of learning time all by itself. Use the command line tools, get used to the concepts of classpaths, and how to structure your projects in the file system first. Then when you have mastered the basics of Java you can move onto the complications of integrated development environments. You can get nice syntax colouring from simple text editors such as TextWrangler, and TextMate.
IDEs are not beginners tools.

Error while installing NW7.3 ABAP for DB2 on z/OS Install DB CLI driver

Dear Experts,
i'm installing for the first time NW7.3 ABAP for DB2 on z/OS with AIX application server. Central Services was installed succesfull but next step Install Database on AIX stoped with error (establishConn.log):
db2radm (release: "720", patch level: "000", version: "Jan 14 2012") begin:28.02.2012 10:54:39
This is db2radm release: "720", patch level: "120", version: "Jan 14 2012".
This is db2radm setting up DB2 Connect.
Message file is /sapmnt/tmp/sapinst_instdir/NW73/INSTALL/NW73/DB2/HA/PI/DB/establishConn.log.
db2radm called as: /usr/sap/DW8/SYS/exe/uc/rs6000_64/db2radm -m db2i -P 456 -L DW8DDF -S DW88 -H s10d1 -u SAPADM -p ******** -W primary_only -l /sapmnt/tmp/sapinst_instdir/NW73/INSTALL/NW73/DB2/HA/PI/DB/establishConn.log
Adjusting environment
dbs_db2_ssid=DW88
SAPDBHOST=s10d1
dbs_db2_user=SAPADM
dbs_db2_schema=SAPADM
dbs_db2_schema8=1
dbs_db2_pw=********
Checking environment
DB host    = s10d1
SSID       = DW88
SAPSYSTEMNAME = DW8
DB2Trc:    000000 CLI_ALLOC_ENV 1
connect.ini file used: 'connect.ini.for.db2radm'
Fail over connection list of this application server:
NAME       = DW88_on_s10d1
USER       = SAPADM
PASSWORD   = <***>
SCHEMA     = SAPADM
PS         = SAP0907U
LOCATION   = DW8DDF
SSID       = DW88
HOST       = s10d1
PORT       = 456
RETRY_CNT = 3
SLEEP_TIME = 0
DB2Trc: trace level of dbdb2cli set to 1
COLLECTION ID used is "SAP0907U"
DB2 Call 'SQLDriverConnectW' Warning: SQLCODE = 8007 : [IBM][CLI Driver][DB2] SQL8007W There are "90" day(s) left in the evaluation period for the product "DB2 Connect". For evaluation license terms and conditions, refer to the License Agreement document located in the license directory in the installation path of this product. If you have licensed this product, ensure the license key is properly registered. You can register the license via the License Center or db2licm command line utility. The license key can be obtained from your licensed product CD. SQL
use lib_dbsl for DB2 version V9.
Callback functions for dynamic profile parameter registered
DbSl library successfully loaded.
WARNING: schema with 8 bytes length allowed; shadow upgrate will not work
dbs/db2/use_accounting != 1 -> DB2 accounting is switched off
dbs/db2/use_drda_lob_handling != 1 -> SAP LOB handling is used
dbs/db2/chaining = 20 -> CLI CHAIN optimization is switched on
dbs/db2/opt2_hint = 1 -> implicit 'optimize for 1 rows' hint is switched off
SQL DRIVER VERSION is "09.07.0003"
DB2Connect driver identified as THIN CLIENT
Now I'm connected to DW88_on_s10d1
DB2 DBMS version 09.01.0005
DB2 LOCATION name DW8DDF
(HYB): Info: Using OLD dbsl support.
DB2 connect shared library loaded successfully.
09.07.0003DB2Connect driver identified as THIN CLIENT
WARNING: schema with 8 bytes length allowed; shadow upgrate will not work
dbs/db2/use_accounting != 1 -> DB2 accounting is switched off
dbs/db2/use_drda_lob_handling != 1 -> SAP LOB handling is used
dbs/db2/chaining = 20 -> CLI CHAIN optimization is switched on
dbs/db2/opt2_hint = 1 -> implicit 'optimize for 1 rows' hint is switched off
DBSLHA: Got Failover profile /usr/sap/DW8/SYS/global/connect.ini
DBSLHA: Using new Failover Support
DBSLHA: Using user( SAPADM) and password(<pwd>) from profile.
DBSLHA:
DBSLHA:Connection List
DBSLHA:
DBSLHA:NAME      |HOST      |SSID|COLLECTION |PLAN    |PORT             |SCHEMA |OWNER   |LOCATION |RETRY|SLEEP|
DBSLHA:--|||||||||-|---|
DBSLHA:DW88_on_s1|s10d1     |DW88|SAP<DB2Conne|        |                 |SAPADM |SAPADM |DW8DDF    |00003|00000|
DBSLHA:--|||||||||-|---|
GetHaProfile: GetHaProfile: found 1 connections in connection profile.
GetHaProfile: found section DW88_on_s10d1, ssid DW88, port 456, location DW8DDF, host s10d1 in connection profile
connection profile /usr/sap/DW8/SYS/global/connect.ini opened.
>>>>>> dump of connection profile
ADDED 20120228 103331 by DB2RADM RELEASE 720 PATHLEVEL 000
[DEFAULT_GROUP]
CON1=DW88_on_s10d1
[DW88_on_s10d1]
SSID=DW88
HOST=s10d1
PORT=456
LOCATION=DW8DDF
<<<<<< end of dump of connection profile
ssid DW88 found in connection profile, section DW88_on_s10d1.
>>> analyse line: * ADDED 20120228 103331 by DB2RADM RELEASE 720 PATHLEVEL 000
>>> analyse line: [DEFAULT_GROUP]
>>> analyse line: CON1=DW88_on_s10d1
>>> analyse line:
>>> analyse line: [DW88_on_s10d1]
section DW88_on_s10d1 found.
>>> analyse line: SSID=DW88
>>> analyse line: HOST=s10d1
>>> analyse line: PORT=456
>>> analyse line: LOCATION=DW8DDF
>>> analyse line: section DW88_on_s10d1 found and data matches.
backup connection profile /usr/sap/DW8/SYS/global/connect.ini .
switch connection profile /usr/sap/DW8/SYS/global/connect.ini .
check for adapted connection profile.
WARNING: schema with 8 bytes length allowed; shadow upgrate will not work
dbs/db2/use_accounting != 1 -> DB2 accounting is switched off
dbs/db2/use_drda_lob_handling != 1 -> SAP LOB handling is used
dbs/db2/chaining = 20 -> CLI CHAIN optimization is switched on
dbs/db2/opt2_hint = 1 -> implicit 'optimize for 1 rows' hint is switched off
DBSLHA: Got Failover profile /usr/sap/DW8/SYS/global/connect.ini
DBSLHA: Using new Failover Support
DBSLHA: Using user( SAPADM) and password(<pwd>) from profile.
DBSLHA:
DBSLHA:Connection List
DBSLHA:
DBSLHA:NAME      |HOST      |SSID|COLLECTION |PLAN    |PORT             |SCHEMA |OWNER   |LOCATION |RETRY|SLEEP|
DBSLHA:--|||||||||-|---|
DBSLHA:DW88_on_s1|s10d1     |DW88|SAP<DB2Conne|        |                 |SAPADM |SAPADM |DW8DDF    |00003|00000|
DBSLHA:--|||||||||-|---|
GetHaProfile: GetHaProfile: found 1 connections in connection profile.
GetHaProfile: found section DW88_on_s10d1, ssid DW88, port 456, location DW8DDF, host s10d1 in connection profile
ssid DW88 found in connection profile, section DW88_on_s10d1.
check for adapted connection profile passed.
WARNING: schema with 8 bytes length allowed; shadow upgrate will not work
dbs/db2/use_accounting != 1 -> DB2 accounting is switched off
dbs/db2/use_drda_lob_handling != 1 -> SAP LOB handling is used
dbs/db2/chaining = 20 -> CLI CHAIN optimization is switched on
dbs/db2/opt2_hint = 1 -> implicit 'optimize for 1 rows' hint is switched off
DBSLHA: Got Failover profile /usr/sap/DW8/SYS/global/connect.ini
DBSLHA: Using new Failover Support
DBSLHA: Using user( SAPADM) and password(<pwd>) from profile.
DBSLHA:
DBSLHA:Connection List
DBSLHA:
DBSLHA:NAME      |HOST      |SSID|COLLECTION |PLAN    |PORT             |SCHEMA |OWNER   |LOCATION |RETRY|SLEEP|
DBSLHA:--|||||||||-|---|
DBSLHA:DW88_on_s1|s10d1     |DW88|SAP<DB2Conne|        |                 |SAPADM |SAPADM |DW8DDF    |00003|00000|
DBSLHA:--|||||||||-|---|
GetHaProfile: GetHaProfile: found 1 connections in connection profile.
GetHaProfile: found section DW88_on_s10d1, ssid DW88, port 456, location DW8DDF, host s10d1 in connection profile
WARNING: schema with 8 bytes length allowed; shadow upgrate will not work
dbs/db2/use_accounting != 1 -> DB2 accounting is switched off
dbs/db2/use_drda_lob_handling != 1 -> SAP LOB handling is used
dbs/db2/chaining = 20 -> CLI CHAIN optimization is switched on
dbs/db2/opt2_hint = 1 -> implicit 'optimize for 1 rows' hint is switched off
DBSLHA: Got Failover profile /usr/sap/DW8/SYS/global/connect.ini
DBSLHA: Using new Failover Support
DBSLHA: Using user( SAPADM) and password(<pwd>) from profile.
DBSLHA:
DBSLHA:Connection List
DBSLHA:
DBSLHA:NAME      |HOST      |SSID|COLLECTION |PLAN    |PORT             |SCHEMA |OWNER   |LOCATION |RETRY|SLEEP|
DBSLHA:--|||||||||-|---|
DBSLHA:DW88_on_s1|s10d1     |DW88|SAP<DB2Conne|        |                 |SAPADM |SAPADM |DW8DDF    |00003|00000|
DBSLHA:--|||||||||-|---|
SQL DRIVER VERSION is "09.07.0003"
DB2Connect driver identified as THIN CLIENT
DB2Trc: 00 000000 cli_get_cli_driver_bld_level 1 s101006
SQL DRIVER NAME is "libdb2.a"
SQL DBMS NAME is "DB2"
SQL DBMS VERSION is "09.01.0005"
DATABASE NAME(DB2 Connect DCS database name) is "DW8DDF"
The bind is skipped since collection for ssid DW88 is already bound.
To force the bind, use option "-B force".
DB2TRC: 0000000000 00      000000   CLI_DISCONNECT
DB2TRC: 0000000000 00      000000   CLI_FREE_DBC 1
DB2TRC: 0000000000 00      000000   CLI_FREE_ENV 1
DB VERSION is 09.01.0005.
Starting Grants .
DB2Trc:    000000 CLI_ALLOC_ENV 1
COLLECTION ID used is "SAP0907U"
DB2 Call 'SQLDriverConnectW' Warning: SQLCODE = 8007 : [IBM][CLI Driver][DB2] SQL8007W There are "90" day(s) left in the evaluation period for the product "DB2 Connect". For evaluation license terms and conditions, refer to the License Agreement document located in the license directory in the installation path of this product. If you have licensed this product, ensure the license key is properly registered. You can register the license via the License Center or db2licm command line utility. The license key can be obtained from your licensed product CD. SQL
Connecting to <DW88_on_s10d1> on connection 0 ...
Now I'm connected to DB2 (09.01.5)
SQL DRIVER NAME is "libdb2.a"
SQL DBMS NAME is "DB2"
SQL DBMS VERSION is "09.01.0005"
DATABASE NAME(DB2 Connect DCS database name) is "DW8DDF"
New functions of DB2 V9 are switched on
Profile parameter dbs/db2/cli_trace_dir is not set
dbdb2dic.c 1709 INFO    Profile: SDB2_DEBUG=<UNSET>
dbdb2dic.c 1733 INFO    Envrmnt: sdb2_debug=<UNSET>
dbdb2dic.c 1733 INFO    Envrmnt: SDB2_DEBUG=<UNSET>
DB2 Call 'CLI_EXECUTE' Error: sqlcode = -204 : [IBM][CLI Driver][DB2] SQL0204N "SAPADM.#LOBU" is an undefined name. SQLSTATE=42704
dbdb2dic.c 2251 INFO    rc=103,sqlcode=-204: ExeRead
dbdb2dic.c 1709 INFO    Profile: dbs/db2/max_retry=<UNSET>
dbdb2dic.c 1733 INFO    Envrmnt: DB2_MAX_RETRY=<UNSET>
dbdb2dic.c 1709 INFO    Profile: dbs/db2/retry_on_924=<UNSET>
dbdb2dic.c 1733 INFO    Envrmnt: DB2_RETRY_ON_924=<UNSET>
dbdb2dic.c 1709 INFO    Profile: dbs/db2/no_retry_on_10=<UNSET>
dbdb2dic.c 1733 INFO    Envrmnt: dbs_db2_no_retry_on_10=<UNSET>
dbdb2dic.c 1733 INFO    Envrmnt: DBS_DB2_NO_RETRY_ON_10=<UNSET>
DB2 Call 'SQLEndTran' Error: sqlstate = 08003 : [IBM][CLI Driver] CLI0106E Connection is closed. SQLSTATE=08003
[dbdb2dic.c 1873:rc=99: COMMIT WORK failed]
dbdb2dic.c 1873 ERROR   rc=99: COMMIT WORK failed
[dbdb2dic.c 2019:rc=99,sqlcode=268435455: ExecDDL failed (DB error)]
dbdb2dic.c 2019 ERROR   rc=99,sqlcode=268435455: ExecDDL failed (DB error)
DB2 Call 'SQLEndTran' Error: SQLCODE = -99999 : [IBM][CLI Driver] CLI0106E Connection is closed. SQLSTATE=08003
ROLLBACK failed with SQL error '-99999'
ERROR: couldn't connect to DB
rc = 99
error message returned by DbSl:
rc=99,sqlcode=268435455: ExecDDL failed (DB error)
DB2RADM EXITCODE: 12
db2radm finished (0012)
db2radm stop:28.02.2012 10:54:39
i've patched db2radm and sapinst to the latest version.
May be i should manually create "SAPADM.#LOBU"?
Please help to solve these issue.
Best regards,
Alexander V

Hi ,
Please check if Note 1581637 - Installing a System with DB2CODEPAGE other than the default is useful.
Award points if useful.
Thanks,
Ravi

DB2 zOS database export tips & tricks

Does anyone have compiled or know of the existence of a list of tips, pointers, tricks, etc. for the process of exporting a DB2 zOS database (for use in a later import into a DB2 LUW system)?
Most appreciated any help you may provide.
Regards,
Julio Porras.

I just uploaded a document with the steps that I followed for the DB2 z/OS database export.
Mind I did this back in October, 2008 (see my original post date).
You can find the document here:
http://scn.sap.com/docs/DOC-45835
I hope you find it helpful.
Regards,
JP.

Java Mapping for JDBC Interface

Hi,
please help on java mapping for my jdbc interface.
my java code for jdbc is:
Created on May 7, 2008
TODO To change the template for this generated file go to
Window - Preferences - Java - Code Style - Code Templates
package XiMappingDB2.com.xi.test;
@author miracle
TODO To change the template for this generated type comment go to
Window - Preferences - Java - Code Style - Code Templates
Created on May 2, 2008
To change the template for this generated file go to
Window>Preferences>Java>Code Generation>Code and Comments
package com.xi.test;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
import java.util.HashMap;
import java.util.Map;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import com.sap.aii.mapping.api.AbstractTrace;
import com.sap.aii.mapping.api.MappingTrace;
import com.sap.aii.mapping.api.StreamTransformation;
import com.sap.aii.mapping.api.StreamTransformationConstants;
import com.sap.aii.mapping.api.StreamTransformationException;
@author kotla
To change the template for this generated type comment go to
Window>Preferences>Java>Code Generation>Code and Comments
public class NameMerge implements StreamTransformation {
     private Map param = null;
     private MappingTrace trace = null;
     public void setParameter(Map param){
     this.param = param;
     if (param == null) {
     this.param = new HashMap();
     public void execute(InputStream input, OutputStream output)
     throws StreamTransformationException {
     AbstractTrace trace = null;
     String RESULT = new String();
     trace =
     (AbstractTrace) param.get(
     StreamTransformationConstants.MAPPING_TRACE);
     try {
    //Create DOM parser
    DocumentBuilderFactory factory =
    DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
     //Parse input to create document tree
     Document doc = builder.parse(input);
                trace.addInfo(doc.toString());
      //          Map the elements
    Node root = doc.getFirstChild(); // gets the root element
     NodeList children = root.getChildNodes();
      for (int item = 0; item < children.getLength(); item++) {
      if (children.item(item) instanceof Element) {
      root = (Element) children.item(item);
      NodeList ch = root.getChildNodes();
      RESULT = RESULT.concat(ch.item(0).getNodeValue() + " ");
      trace.addInfo(RESULT); }
      catch (Exception e) {
           trace.addDebugMessage(e.getMessage());
   //Return the output document
   String document_exit = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><ns0:Person2 xmlns:ns0=\"urn:xxxxx.com:test:mapping:lookups\"><RESULT>"
   + RESULT
   + "</RESULT></ns0:Person2>";
     insertDB(RESULT);
   try
        output.write(document_exit.getBytes());
         catch (IOException e1) {
        trace.addDebugMessage(e1.getMessage());
public void insertDB(String DETAILS){
    Statement stmt = null;
    Connection conn = null;
    try {
      conn = getConnection();
      conn.setAutoCommit(false);
      stmt = conn.createStatement();
      stmt.execute("insert into KUMAR(DETAILS) values ('"DETAILS"')");
      //System.out.println ('"DETAILS"');
      conn.commit();
      stmt.close();
      conn.close();
    } catch (Exception e) {
      System.err.println("Error: " + e.getMessage());
      e.printStackTrace();
public Connection getConnection() throws Exception {
    String driver = "com.ibm.db2.jcc.DB2Driver";
    String url = "jdbc:db2://172.17.4.24:50000/SAMPLE";
    String username = "miracle";
    String password = "sairam";
    Class.forName(driver);
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
but we are getting the following error:Linkage error occurred when loading class JavaDatabaseApp/XiMappingDB2/com/xi/test/NameMerge (http://FILE2JDBC_US, 7d7b3141-f4d1-11dc-b25e-d5d5c0a80198, -1)
Start of test
LinkageError at JavaMapping.load(): Could not load class: JavaDatabaseApp/XiMappingDB2/com/xi/test/NameMerge
java.lang.NoClassDefFoundError: JavaDatabaseApp/XiMappingDB2/com/xi/test/NameMerge (wrong name: XiMappingDB2/com/xi/test/NameMerge) at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:539) at java.lang.ClassLoader.defineClass(ClassLoader.java:448) at com.sap.aii.ibrep.server.mapping.ibrun.RepMappingLoader.findClass(RepMappingLoader.java:175) at java.lang.ClassLoader.loadClass(ClassLoader.java:289) at java.lang.ClassLoader.loadClass(ClassLoader.java:235) at com.sap.aii.ibrep.server.mapping.ibrun.RepJavaMapping.load(RepJavaMapping.java:136) at com.sap.aii.ibrep.server.mapping.ibrun.RepJavaMapping.execute(RepJavaMapping.java:50) at com.sap.aii.ibrep.server.mapping.ibrun.RepMappingHandler.run(RepMappingHandler.java:80) at com.sap.aii.ibrep.server.mapping.rt.MappingHandlerAdapter.run(MappingHandlerAdapter.java:107) at com.sap.aii.ibrep.server.mapping.ServerMapService.transformInterfaceMapping(ServerMapService.java:127) at com.sap.aii.ibrep.server.mapping.ServerMapService.transform(ServerMapService.java:104) at com.sap.aii.ibrep.sbeans.mapping.MapServiceBean.transform(MapServiceBean.java:40) at com.sap.aii.ibrep.sbeans.mapping.MapServiceRemoteObjectImpl0.transform(MapServiceRemoteObjectImpl0.java:167) at com.sap.aii.ibrep.sbeans.mapping.MapServiceRemoteObjectImpl0p4_Skel.dispatch(MapServiceRemoteObjectImpl0p4_Skel.java:104) at com.sap.engine.services.rmi_p4.DispatchImpl._runInternal(DispatchImpl.java:320) at com.sap.engine.services.rmi_p4.DispatchImpl._run(DispatchImpl.java:198) at com.sap.engine.services.rmi_p4.server.P4SessionProcessor.request(P4SessionProcessor.java:129) at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33) at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41) at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37) at java.security.AccessController.doPrivileged(Native Method) at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:100) at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170).
please solve this issue.

Uday,
May be you have uploaded class file into external definitions.
You need to Zip the class file into .jar and then upload into external definitions of integration repository
Regards,
Kiran Bobbala

Path for db2 library 'libdb2.so' could not be determined

Any ideal why i would get this error, working on upgrading a system, it was working, then SUM shut it down and now it won't restart.    i have tried lots of things and no luck. R3trans works fine.
CLASSPATH=:/db2/db2lxd/sqllib/java/db2java.zip:/db2/db2lxd/sqllib/java/runtime.zip:.:/db2/db2lxd/sqllib/java/db2java.zip:/db2/db2lxd/sqllib/java/runtime.zip:.
LD_LIBRARY_PATH=/usr/sap/LXD/SYS/exe/run:/usr/sap/LXD/SYS/exe/uc/linuxppc64
dev_w0
..retrieving configuration parameters
C ..done
C *** ERROR => path for db2 library 'libdb2.so' could not be determined
[dbdb6.c      11762]
C *** ERROR in getConfigurationAndEnvironmentHandle[/bas/741_REL/src/dbs/db6/dbdb6.c, 13610] CON = -1 (BEGIN)
C &+     DbSlConnectDB6: Unable to load DB2 libraries. Connect failed.
C &+
C &+
C *** ERROR in getConfigurationAndEnvironmentHandle[/bas/741_REL/src/dbs/db6/dbdb6.c, 13610] (END)
M ***LOG R19=> ThDbConnect, db_connect ( DB-Connect 000256) [thDatabase.c 75]
M in_ThErrHandle: 1
M *** ERROR => ThInit: db_connect (step TH_INIT, thRc ERROR-DB-CONNECT_ERROR, action STOP_WP, level 1) [thxxhead.c   2280]
M

Hi David ,
Please check in Instance Kernel Directory /usr/sap/<SID>/<INSTANCE>/exe .
there should be db6_clidriver exists and where all lib files related to Db2 exists. if not then copy in from global/db6/<LINUX> .and try .
Thanks
Manas Behra

Setting up connection pool for DB2

"whats are the settings (URL, driver, properties) required to set up a connection pool for DB2 on OS/390 ?I'm using "COM.ibm.db2.jdbc.app.DB2Driver" as DB2 driver

Amit wrote:
>
"whats are the settings (URL, driver, properties) required to set up a connection pool for DB2 on OS/390 ?I'm using "COM.ibm.db2.jdbc.app.DB2Driver" as DB2 driverHi. If you can successfully use that driver with one of it's simple
JDBC example programs, then show me that example, at least the
part that makes the connection, and I'll show you how to define a pool.
Joe
PS: Folks: BEA WebLogic is expanding rapidly, with both entry and advanced positions
for people who want to work with Java, XML, SOAP and E-Commerce infrastructure products.
We have jobs at Nashua NH, Liberty Corner NJ, San Francisco and San Jose CA.
Send resumes to [email protected]

Configuring weblogic6.1 for db2 driver

Hi all,
I want to access DB2 database from a servlet running on weblogic6.1.But i am unable
to configure weblogic 6.1 for DB2 driver.Going through the documentation for configuring
weblogic third party drivers was of no help.when i run the program i get the error
"no suitable driver found".
Please post suggestions on how to configure weblogic6.1 for DB2 driver.
Thank u in advance.

Ramesh,
We use code like the following to successfully connect to a connection pool:
// put the pool name into a properties,
// in the same way that you would put "user" and "password" in the properties
dbproperties.put("connectionPoolID", mypoolName);
Class.forName("weblogic.jdbc.pool.Driver").newInstance();
myconnection = DriverManager.getConnection("jdbc:weblogic:pool", dbproperties);
It shouldn't be much different than the code you have where you get the driver
and then connect directly. But, I do know that what we use works. Maybe the
pool name has to be specified in the info properties, rather than in the url string.
(that would be a simple and easy change to your code; to see if it worked.)
Also, we have found that the CaSe of the DB2 driver name matters:
COM.ibm.db2.jdbc.app.DB2Driver
We also put the db2java.zip as the first item in the classpath. (I don't remember
if that matters or not).
Craig
"Ramesh" <[email protected]> wrote:
>
Sree,
In the weblogic 6.1 connection pool configuration i have the following
settings:
Name:myPool
URL:jdbc:db2:database (database is the name of sample database in db2)
Driver Classname:Com.ibm.db2.jdbc.app.DB2Driver
Properties:user=db2admin;password=asits9;DatabaseName=database
ACL name:blank
Password:blank
but when i select Target-Server from Targets tab of JDBC Connection Pool
i get
the error "Error Occured while processing your request" which is something
java.lang.reflect.InvocationTargetException.
in my servlet i establish the connection with the db2 database through
the following
codes
Connection conn=null;
Driver d;
d=(Driver)Class.forName("weblogic.jdbc.pool.Driver").newInstance();
conn=d.connect("jdbc:weblogic:pool:myPool",null);
ramesh.
"Sree Bodapati" <[email protected]> wrote:
Can you show me your standalone program (or just the url, driver name
and
properties you use to get connection). Sometimes the url doesnt match
up
properly. Do you see any exceptions when the connection pool is getting
created?
sree
"ramesh" <[email protected]> wrote in message
news:[email protected]...
Sree,
I can access db2 from a simple standalone java application.
but when i create connection pool in weblogic6.1,i think it is not getting
created,bcos
when i run the servlet i get the error "Pool connect
failed:java.SQLException:Connection
pool myPool does not exist" where myPool is the name of the connection
pool
i
created.i have db2java.zip in my classpath.
do i have to set some other classpaths also.
ramesh.
"Sree Bodapati" <[email protected]> wrote:
Ramesh,
If you can write a simple standalone java program to get a DB2 connection
using the DB2 driver (without WebLogic in the picture). You will findout
what URL and Driver name to use and what properties to pass to the
driver.
Specify these properties in the connection pool properties and make
sure
the DB2 driver is in the CLASSPATH when you boot the WebLogic server.
sree
"ramesh chand" <[email protected]> wrote in message
news:[email protected]...
Hi all,
I want to access DB2 database from a servlet running on weblogic6.1.But
i am
unable
to configure weblogic 6.1 for DB2 driver.Going through the documentation
for
configuring
weblogic third party drivers was of no help.when i run the programi
get the
error
"no suitable driver found".
Please post suggestions on how to configure weblogic6.1 for DB2 driver.
Thank u in advance.

Driver and connection string for DB2 7.1 IBM Z/OS Mainframe

Hi ALL,
Could someone please provide me the connection string and driver for DB2 7.1 IBM Z/OS Mainframe?
Regards,
XIer

Hello,
With SAP and DB2 V7 still ICLI which is part of the operating system is used for DB connectivity. For details on the setup see related docs for SAP releases up to 6.20 .
As of Netweaver 2004 DB2 V8 and DB2 Connect is used.
If you're talking about Java you need a license either from IBM or if you're OEM customer for DB2 on z/OS it is delivered automatically.
Regards,
Thomas

Weblogic7/examples/clustering/ejb Automatic failover for idempotent methods ?

This one should be easy since it is from the examples folder of bea 7 about
          clustering.
          Ref : \bea7\weblogic007\samples\server\src\examples\cluster\ejb
          I am referring to the cluster example provided with the weblogic server 7.0
          on windows 2000.
          I deployed Admin server and 2 managed server as described in document.
          Everything works fine as shown by the example. I get load balancing and
          failover both. Too Good.
          Client.java is using the while loop to manage the failover. So on exception
          it will go thru the loop again.
          I understand from the documentation that the stateless session EJB will
          provide the automatic failover for Idempotent stateless bean
          Case Failover Idempotent : ( Automatic )
          If methods are written in such a way that repeated calls to the same method
          do not cause duplicate updates, the method is said to be "idempotent." For
          idempotent methods, WebLogic Server provides the
          stateless-bean-methods-are-idempotent deployment property. If you set this
          property to "true" in weblogic-ejb-jar.xml, WebLogic Server assumes that the
          method is idempotent and will provide failover services for the EJB method,
          even if a failure occurs during a method call.
          Now I made 2 changes to the code.
          1 . I added as follows to the weblogic-ejb-jar.xml of teller stateless EJB
          <stateless-clustering>
          <stateless-bean-is-clusterable>true</stateless-bean-is-clusterable>
          <stateless-bean-load-algorithm>random</stateless-bean-load-algorithm>
          <stateless-bean-methods-are-idempotent>true</stateless-bean-methods-are-idem
          potent>
          </stateless-clustering>
          So I should get the automatic failover .............
          2. Also I added the break statement in the catch on line around 230 in
          Client .java
          catch (RemoteException re) {
          System.out.println(" Error: " + re);
          // Replace teller, in case that's the problem
          teller = null;
          invoke = false;
          break;
          So that the client program does not loop again and again.
          Now I compile and restart all my three servers and redeploy application (
          just to be sure )
          I start my client and I get a automatic load balancing between the server
          which makes me happy.
          But Failover ....?
          I kill one of the managed application server in cluster at any particular
          test fail point.
          I expect the exception to be taken care automatically by error/failover
          handler in the home/remote stub
          But the client program fails and terminates.
          1. What is wrong with the code ?
          2. Does the automatic failover with the indempotent methods also has to be
          taken care by coding the similar while loop for stateless ejb ?
          Your help will be appreciated ASAP.
          Let me know if you need any thing more from my system. But I am sure this
          will be very easy as it is from the sample code.........
          Thanks


Sorry I meant to send this to the ejb newsgroup.
          dan
          dan benanav wrote:
          > Do any vendors provide for clustering with automatic failover of entity
          > beans? I know that WLS does not. How about Gemstone? If not is there
          > a reason why it is not possible?
          >
          > It seems to me that EJB servers should be capable of automatic failover
          > of entity beans.
          >
          > dan

Toplink support for DB2

I was wondering if anyone had any experiences with Toplink's support for DB2? If I have an existing application working with Oracle, is it easy to get the application working with a DB2 database or another DBMS such as SQL Server, etc.? Obviously, the different vendors have different conformities to the SQL syntax standard, and I was wondering if Toplink took these differences into account?
Thanks,
Ted

I don't know of any specific papers/docs on this.
The nature of TopLink is supporting any app server, any ide/toolset and any Database. For example, look in the source.zip file in your lib directory for TopLink... Notice there is a DB2Platform.java file in there. If there were any specific compatibility or idiosynchracies we hadn't accounted for (but we have), you could easily do so yourself just by modifying that class. We have cusotmers using dozens and dozens of different database variants just by using and modifying any of the Platform code provided...
- Don

Fedora 13: After upgrading from FF3.6 to FF6.0.2 I no longer have a Java plugin. How do I configure the Java Plugin for FF 6 ? There is no Java Plugin at the site

I am Fedora 13x64 bit. I just installed FF v6.0.2 from the FF download site. I backed up the existing FF 3.6 as firefox_old
I need to have a Java plugin to access company site, how do I configure the Java Plugin ?
At the Plugin area in FF6 there is no Java Plugin available, even after a search.
I have Java 1.6.0 installed in the OS at:
/usr/lib/jvm/java-1.6.0/jre/lib/amd64/libnpjp2.so
I googled how to configure Java Plugin for FF 6 for Fedora 13 and the trick was to create a soft link from /home/<userID>/.mozilla/plugins to the above libnpjp2.so

AVtech wrote:
. . . If a person can't get an answer here I don't know where else to turn since Sun certainly wouldn't offer tech support for a free product . . .These forums are user forums, and only occasionally visited by Sun employees. Sun does provide Java technical support options, although (of course) at a charge.
See:
http://developers.sun.com/services/
. . . I guess we'll just use JRE 5 until it's unsupported, whenever that will be. I'm still waiting for an answer on that question, too. See:
http://java.sun.com/products/archive/eol.policy.html
http://www.sun.com/service/eosl/
This document (part IV and Appendix) has some debugging and troubleshooting information that may allow someone involved in the problem to resolve the cause:
See:
http://java.sun.com/javase/6/docs/technotes/guides/plugin/developer_guide/contents.htm
Any steps that you can take to isolate the problem to specific Java versions, browsers, applets, web sites, operating systems (and versions), etc, would enhance the possibility of getting help.
You can try the applets at this Sun location and see if any of them are "slow".
See:
http://java.sun.com/javase/6/docs/technotes/samples/demos.html

How to Generate a Java file for a JSP Page

Hi ,
I am using weblogic11 .
I am working on a JSP page which nearly consists of 4000 lines of code.
I need to debug the file , but weblogic server is not generating the java file for the JSP pages .
Please let me know how can i genertae Java file for the jsp pages ??

JSPs are compiled into servlets automatically and those classes are stored in WEB-INF/classes folder. Servlet engine handles servlets.

Do I need to have a JAVA Stack for normal ECC 6.0 ?

Hi together,
we want upgrade our R/3 4.7 to ECC 6.0.
Do I need JAVA deployment on my ERP system as part of the upgrade?
What funktions are in the JAVA Stack for ECC?
best regards,
Carsten Schulz

Just as advise:
I would highly avoid any dual stack installations nowadays. You can install the J2EE engine on the same host but use a different SID so you have two separate instances.
Markus

Java failover for DB2 ZOS

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