Upgrade SAP R/3 to ECC 6.0 , Java Stack Upgrade

Hi Experts
We are doing R/3 upgrade to ECC 6.0, we have done technical upgrade,Now we are planning to do Functional Upgrade. like
1. Java Stack
2. Integrated Planning
3.BI Accelarator
4.Data Transfer process
5.Web Reporting Portal
5.New BI content
6.Visual composer
7. Adminstration cockpit
8.New Authorization concept
9.Management Dashboards
Report Designer Etc Etc
At this moment I need to know at what stage we can go for java stack upgrade and what is the pre-requistes for that.
Please give me any links.docs or any previous thread which talk abt java stack will be helpful .
Thanks
Kiran

hope u have posted the same thread
Adding java stack In separate system
Ramesh

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Currently, my Java application is:
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2. using Java 1.4
3. using SAP Enterprise Connector in SAP Netweaver Developer Studio 7.0.15 to generate the BAPI proxies
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Hi,
1. Is the BAPI proxies generation process with SAP Enterprise Connector remain unchanged?
Yes. No change required except minor changes.
2. Are the BAPI structures remain the same that do not require any Java code change when calling BAPI?
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3. Is the JCo version remains unchanged?
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Which system is unicode, the satellite?
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Hope this helps,
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Source release: an R/3 4.7 32bit
Target release: ECC6.0 64bit (abap+java)
My plan is to go over the following upgrade steps:
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Is this the best way?
Thanks a lot!

Hi,
Its always best to go to the enhanced and latest version.
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the above step will increase only only the cost.
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But its always good to go for
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Hi
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MT_Target
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Source sample structure
<resultset>
<row>
<column-name>column-value</ column-name>
</row>
Then do the message mapping like below
map <row> with MT_Target
contant ----> Deatils
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0 to unbounded.
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Hello
I am new to SAP netweaver.
Our landscape has an ECC 6.0 system integrated with EP 7.0.
We recently upgraded our SAP HR from 600(SP 48) to 600(SP61) and EA HR component from 603(SP 22) to 603( SP 35).
After the upgrade we came to know that the portal users are facing some issues with Etime application on portal, i did a bit of searching and found that we have to upgrade SAP ESS, MSS and ERP5COM components. (http://wiki.sdn.sap.com/wiki/display/ERPHCM/HOWTOGETRIDOFSPSTACKMISMATCHISSUES)
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Varun

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Hello
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Strategy beyond SAP Business Suite 7 Innovations 2011 - Landscape Governance - SCN Wiki
1388258 - Version Interoperability within the SAP Business Suite
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Dear SAP,
We are on the process of upgrading SAP R/3 Enterprise 4.7 with Ext:110 to SAP ECC 5.0.But during the VERSCHK_INI phase an error is been thrown showing that
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SAP_ABA :620
SAP_APPL :470
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we searched in several documents even in the documents along with the cd but was not able to find a password for this or a solution for the error in phase VERSCHK_INI.
I request team SAP to help us in this regard.Expecting your reply ASAP.
Thanks and Regards
Anantha Raman E.

Were you able to find a resolution to this problem. We are also having a similar problem in our prepare phase and cannot find anything to help us as yet.
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Hello,
I'm currently in upgrading a SAP R/3 4.7 system to a SAP ECC 6.0 EHP4.
Therefore I followed the Upgrade Guide from marketplace - installation- and upgrade guides - SAP ERP - SAP ERP 6.0 - SAP Enhancement Package 4 for SAP ERP 6.0 - Upgrade Guide SAP ERP including EHP4 SR1 - Unix on MaxDB.
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I'm starting upgrade with upgrade master DVD 51036889_1 and      51036889_2.
Now upgrade breaks down in phase PREP_EXTRACT/PREIMP with error:
Severe error(s) occured in phase PREP_EXTRACT/PREIMP!
Last error code set: Single errors (code <= 8) found in logfile 'PREIMP.ELG'
PREIMP.ELG says:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
R3trans preimport and RETURN CODE in R710VPE.REX
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2EETW169 no connect possible: "maybe someone set invalid values for DIR_LIBRARY ('/usr/sap/REX/SYS/exe/run') or dbms_type ('ADA')"
Kernel is stored in /usr/sap/REX/SYS/exe/run and database is ADA (maxdb).
File R710VPE.REX says:
4 EPU201XBEGIN OF SECTION BEING ANALYZED
4 ETW000 R3trans version 6.13 (release 640 - 17.02.10 - 13:07:00).
4 ETW000 ===============================================
4 ETW000
4 ETW000 date&time   : 07.03.2011 - 15:28:36
4 ETW000 control file: /usr/sap/REX/upg/abap/tmp/PREIMPTRANS.CTL
4 ETW000 > import
4 ETW000 > file='/usr/sap/REX/upg/abap/bin/R710VPE.SAP'
4 ETW000 > safeandslow=yes
4 ETW000 > buffersync =yes
4 ETW000 > commit     =1048576
4 ETW000 > importtruncated =yes
4 ETW000 R3trans was called as follows: R3trans -w /usr/sap/REX/upg/abap/tmp/R710VPE.REX -u 1 /usr/sap/REX/upg/abap/tmp/PREIMPTRANS.CTL
4 ETW000 active unconditional modes: 1
2EETW169 no connect possible: "maybe someone set invalid values for DIR_LIBRARY ('/usr/sap/REX/SYS/exe/run') or dbms_type ('ADA')"
4 EPU202XEND OF SECTION BEING ANALYZED
Can anybody help me out here?
Regards,
Julia

Hello,
I run 'R3trans -x' command, but there was no problem - connection to database was working.
Problem was following:
Before starting the sdt service on host, I set environment variables JAVA_HOME and LD_LIBRARY_PATH for sidadm. That's not neccessary and that was the problem. Without setting these variables it is working now.
Thanks,
Julia

Upgrade SAP R/3 to ECC 6.0 , Java Stack Upgrade

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