Jco connections Logical System
Hi All
i have a problem with Jco destinations--the logical systems.
-->For META DATA i have used one userid and for MODELDATA i have used another user id.
-->When accessing the RFC from SAP Webdynpro am using another userid to get connect to R/3 system( at Single Server tab while getting the RFC/ Creating the model class).
-->When i deployed this application i am facing with following error:
Could not create JCOClientConnection for logical System: PWC_OTR_RFC_MODEL_DATA - Model: class pwc.ca.otr.model.OpenTaskReportModel. Please assure that you have configured the RFC connections and/or logical system name properly for this model!
Please give me the best / path to the solution atleast.
regards
Prasad
Hi Varaprasad,
Did you check your JCOs? Whether you are able to test and ping the JCO destination? Ask your basis team to check JCO settings.
Regards,
Gopal
Similar Messages
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Couldn't create jco client connection for logical system
Dear Experts,
we are facing a strange issue in our custom webdynpro java application, few of our portal users are getting the "couldn't create jco client connection for logical system" for Model Data JCO Destination. below are details
1. portal version 7.02 SP14 (we have recently updated to SP14 from SP02-- is this is causing the issue ?)
1.1. updated the NWDI track with SP14 SCA files as well as added latest WD Runtime SCA file deployed the applications to Production also.
2. above said exception is inconsistent and happening for only few users
3. ping and test of jco destinations are successfull in content administration as well as in SLD, destinations were added in the SLD system.
4. cleared the JCO ARFC meta data cache in webdynpro console
5. jco destinations are configured using uid/pwd, configured user is not locked active and tested in the backend by logging in with the same user.
6. restarted the portal server
even though, we are getting the above said exception for few of portal users randomly.
Please help me on this ASAP, as i am not getting any further help on this.
Thanks,
Ram.Hello Ram,
Check the JCo Pool Configuration settings of your JCO Destination. This message normally comes when the maximum connections has been reached. Increase the "Maximum Connections" to some number depending on the usage. A good habit is to disconnect the jco connection after executing the same in your webdynpro code if you don't want it to be synchronous.
<ModelName>.modelInstance().disconnectIfAlive()
Hope this helps.
Regards
Vijay -
JCO connection error:Couldn't create JCOClientConnection for logical System
Hi All,
We are facing a production outage issue.
We have a Federated Portal Network setup where one of our producer goes down automatically (seems on heavy load).
On this Producer server we have 3 Web Dynpro applications deployed and default trace is full with JCO connection error saying Could not create JCOClientConnection for logical System: CSVMR_WD_MODELDATA_DEST.
We had issue with max allowed JCO connections so we changed the below mentioned parameters for JCO connection settings in portal:
u2022 Minimum value of JCo Pool Size in total = 80
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As you have already increased the maximum number of connections/pool size but still you are facing this problem. I would suggest you to check the web dynpro application which might not be able to release/disconnect the JCO connection.
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Regards
Puneet -
Hi,
I have configured ESS in my portal 6.0 but I am confused with some concepts.
I have created System in portal System Landscape with alias "SAP_WebDynpro_XSS" . & also i have created JCO Connection SAP_R3_HumanResources (Appln data/Metadata).These are the steps in configuration guide.....
My backend system is ECC 5.0.
If i can access my backend for my webdynpro iview through JCO connectiones why i need to create system in portal ????
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All the Standard iviews use this System for calling the JavaWD Application.
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<i><b>Raja Sekhar</b></i> -
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Dear friends,
Can you please tell me how can i change the logical system name for a source system connection.
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http://www.sappro.com/downloads/OneClientDistribution.pdf
http://www.sapgenie.com/sapgenie/docs/ale_scenario_development_procedure.doc
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Note - Please mark all the helpful answers -
How many logical systems are required to connect between one XI and R3 sytm
Hi Experts,
I need to know how many Logical systems we need to create when connecting an SAP XI and SAP R3 system.
details wht I configured is as follows :
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Do I need to create two log'cal systems on one side?
How many logical systems can a Client can support simultaneously? is it only one or more that one?
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Sunil K ShettyHi,
>>>>I need to know how many Logical systems we need to create when connecting an SAP XI and SAP R3 system.
as you've noticed you only need 2 - one for r3 one for XI
this is enough
also shown in my book:
<a href="/people/michal.krawczyk2/blog/2006/10/11/xi-new-book-mastering-idoc-business-scenarios-with-sap-xi"><b>Mastering IDoc Business Scenarios with SAP XI</b></a>
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one per client
but you can create as much as you wish
wihtout connecting them to a client
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michal
<a href="/people/michal.krawczyk2/blog/2005/06/28/xipi-faq-frequently-asked-questions"><b>XI / PI FAQ - Frequently Asked Questions</b></a> -
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Fri Dec 21 04:25:25 2007 RELEASE 640 COMPONENT NI (network interface) VERSION 37 RC -2 COUNTER 1
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MathiHi Mathi,
Did u add the the sapgw<instance> 3600\tcp in the services file of the path mentioned above.
If so can you atleast ping the Destinations created by you successfully?
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Also to analyse the problems caused by JCO this manual should be helpful for you.
http://help.sap.com/saphelp_nw04/helpdata/en/f6/daea401675752ae10000000a155106/content.htm
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We have created the SLD connection to the ECC6.0 from the Portal 7.0.
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System Already Exist.
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(sap-wd-arfc-useSys=SAP_R3_HumanResources:FIN&sap-wd-arfc-useSys=SAP_R3_HumanResources_MetaData:FIN)
The JCo destinations have been configured and do work ....
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MarinaHi, I have created new iview for Who's Who and put the below in Application Parameters:
sap-wd-arfc-useSys=SAP_R3_HumanResources:UTL&sap-wdarfc-useSys=SAP_R3_HumanResources_MetaData:UTL&sap-wd-arfc-useSys=WD_MODELDATA_DEST:UTL&sap-wd-arfc-useSys=WD_RFC_METADATA_DEST:UTL&sap-wd-arfc-useSys=SAP_R3_SelfServiceGenerics:UTL&sap-wd-arfc-useSys=SAP_R3_SelfServiceGenerics_MetaData:UTL
The Home Page Framework is working fine. but when clicking on the who's who service the below error is there:
The initial exception that caused the request to fail, was: java.lang.NullPointerException at com.sap.pcuigp.tracking.BTrackingComp.isValuePackSystem(BTrackingComp.java:290) at com.sap.pcuigp.tracking.BTrackingComp.onInit(BTrackingComp.java:206) at com.sap.pcuigp.tracking.wdp.InternalBTrackingComp.onInit(InternalBTrackingComp.java:173) at com.sap.pcuigp.tracking.BTrackingCompInterface.onInit(BTrackingCompInterface.java:115) at com.sap.pcuigp.tracking.wdp.InternalBTrackingCompInterface.onInit(InternalBTrackingCompInterface.java:124) ... 75 more See full exception chain for details. System Environment Client Web Dynpro Client Type HTML Client User agent Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30) Version null DOM version null Client Type msie7 Client Type Profile ie6 ActiveX enabled Cookies enabled Frames enabled Java Applets enabled JavaScript enabled Tables enabled VB Script enabled Server Web Dynpro Runtime Vendor: SAP, build ID: 7.0103.20081111115141.0000 (release=NW701_03_REL, buildtime=2008-12-07:13:19:14[UTC], changelist=51958, host=pwdfm246), build date: Mon Dec 20 02:32:06 CST 2010 J2EE Engine 7.01 PatchLevel 56102. Java VM IBM J9 VM, version:2.3, vendor: IBM Corporation Operating system AIX, version: 6.1, architecture: ppc64 Session & Other Session Locale en_US Time of Failure Wed Feb 09 14:56:21 CST 2011 (Java Time: 1297284981490) Web Dynpro Code Generation Infos sap.com/pb SapDictionaryGenerationCore 7.0103.20071003090459.0000 (release=701_SP_REL, buildtime=2008-11-05:19:55:10[UTC], changelist=463950, host=PWDFM201.wdf.sap.corp) SapDictionaryGenerationTemplates 7.0103.20071003090459.0000 (release=701_SP_REL, buildtime=2008-11-05:19:55:16[UTC], changelist=463950, host=PWDFM201.wdf.sap.corp) SapGenerationFrameworkCore 7.0103.20071003090713.0000 (release=701_SP_REL, buildtime=2008-11-05:19:48:07[UTC], changelist=463957, host=PWDFM201.wdf.sap.corp) SapIdeWebDynproCheckLayer 7.0103.20080730170941.0000 (release=701_SP_REL, buildtime=2008-11-05:20:00:15[UTC], changelist=494993, host=PWDFM201.wdf.sap.corp) SapMetamodelCommon 7.0103.20071003091208.0000 (release=701_SP_REL, buildtime=2008-11-05:19:48:51[UTC], changelist=463971, host=PWDFM201.wdf.sap.corp) SapMetamodelCore 7.0103.20071003091208.0000 (release=701_SP_REL, buildtime=2008-11-05:19:48:46[UTC], changelist=463971, host=PWDFM201.wdf.sap.corp) SapMetamodelDictionary 7.0103.20071003090530.0000 (release=701_SP_REL, buildtime=2008-11-05:19:52:58[UTC], changelist=463951, host=PWDFM201.wdf.sap.corp) SapMetamodelWebDynpro 7.0103.20080730170953.0000 (release=701_SP_REL, buildtime=2008-11-05:19:57:29[UTC], changelist=494995, host=PWDFM201.wdf.sap.corp) SapWebDynproGenerationCTemplates 7.0103.20081105123737.0000 (release=701_SP_REL, buildtime=2008-11-05:20:06:40[UTC], changelist=507414, host=pwdfm201) SapWebDynproGenerationCore 7.0103.20080730170941.0000 (release=701_SP_REL, buildtime=2008-11-05:20:00:20[UTC], changelist=494993, host=PWDFM201.wdf.sap.corp) SapWebDynproGenerationTemplates 7.0103.20081105123737.0000 (release=701_SP_REL, buildtime=2008-11-05:20:06:40[UTC], changelist=507414, host=pwdfm201) sap.com/tcwddispwda No information available null sap.com/pb_api SapDictionaryGenerationCore 7.0103.20071003090459.0000 (release=701_SP_REL, buildtime=2008-11-05:19:55:10[UTC], changelist=463950, host=PWDFM201.wdf.sap.corp) SapDictionaryGenerationTemplates 7.0103.20071003090459.0000 (release=701_SP_REL, buildtime=2008-11-05:19:55:16[UTC], changelist=463950, host=PWDFM201.wdf.sap.corp) SapGenerationFrameworkCore 7.0103.20071003090713.0000 (release=701_SP_REL, buildtime=2008-11-05:19:48:07[UTC], changelist=463957, host=PWDFM201.wdf.sap.corp) SapIdeWebDynproCheckLayer 7.0103.20080730170941.0000 (release=701_SP_REL, buildtime=2008-11-05:20:00:15[UTC], changelist=494993, host=PWDFM201.wdf.sap.corp) SapMetamodelCommon 7.0103.20071003091208.0000 (release=701_SP_REL, buildtime=2008-11-05:19:48:51[UTC], changelist=463971, host=PWDFM201.wdf.sap.corp) SapMetamodelCore 7.0103.20071003091208.0000 (release=701_SP_REL, buildtime=2008-11-05:19:48:46[UTC], changelist=463971, host=PWDFM201.wdf.sap.corp) SapMetamodelDictionary 7.0103.20071003090530.0000 (release=701_SP_REL, buildtime=2008-11-05:19:52:58[UTC], changelist=463951, host=PWDFM201.wdf.sap.corp) SapMetamodelWebDynpro 7.0103.20080730170953.0000 (release=701_SP_REL, buildtime=2008-11-05:19:57:29[UTC], changelist=494995, host=PWDFM201.wdf.sap.corp) SapWebDynproGenerationCTemplates 7.0103.20081105123737.0000 (release=701_SP_REL, buildtime=2008-11-05:20:06:40[UTC], changelist=507414, host=pwdfm201) SapWebDynproGenerationCore 7.0103.20080730170941.0000 (release=701_SP_REL, buildtime=2008-11-05:20:00:20[UTC], changelist=494993, host=PWDFM201.wdf.sap.corp) SapWebDynproGenerationTemplates 7.0103.20081105123737.0000 (release=701_SP_REL, buildtime=2008-11-05:20:06:40[UTC], changelist=507414, host=pwdfm201) sap.com/tcwdcorecomp No information available null Detailed Error Information Detailed Exception Chain java.lang.NullPointerException at com.sap.pcuigp.tracking.BTrackingComp.isValuePackSystem(BTrackingComp.java:290) at com.sap.pcuigp.tracking.BTrackingComp.onInit(BTrackingComp.java:206) at com.sap.pcuigp.tracking.wdp.InternalBTrackingComp.onInit(InternalBTrackingComp.java:173) at com.sap.pcuigp.tracking.BTrackingCompInterface.onInit(BTrackingCompInterface.java:115) at com.sap.pcuigp.tracking.wdp.InternalBTrackingCompInterface.onInit(InternalBTrackingCompInterface.java:124) at com.sap.pcuigp.tracking.wdp.InternalBTrackingCompInterface$External.onInit(InternalBTrackingCompInterface.java:198) at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPM.attachComponentToUsage(FPMComponent.java:922) at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPM.attachComponentToUsage(FPMComponent.java:891) at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPMProxy.attachComponentToUsage(FPMComponent.java:1084) at com.sap.pcuigp.xssutils.pernr.FcEmployeeServices.onInit(FcEmployeeServices.java:219) at com.sap.pcuigp.xssutils.pernr.wdp.InternalFcEmployeeServices.onInit(InternalFcEmployeeServices.java:273) at com.sap.pcuigp.xssutils.pernr.FcEmployeeServicesInterface.onInit(FcEmployeeServicesInterface.java:135) at com.sap.pcuigp.xssutils.pernr.wdp.InternalFcEmployeeServicesInterface.onInit(InternalFcEmployeeServicesInterface.java:198) at com.sap.pcuigp.xssutils.pernr.wdp.InternalFcEmployeeServicesInterface$External.onInit(InternalFcEmployeeServicesInterface.java:258) at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPM.attachComponentToUsage(FPMComponent.java:922) at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPM.attachComponentToUsage(FPMComponent.java:891) at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPMProxy.attachComponentToUsage(FPMComponent.java:1084) at com.sap.xss.hr.wiw.FcWiwBusinessLogicComp.onInit(FcWiwBusinessLogicComp.java:217) at com.sap.xss.hr.wiw.wdp.InternalFcWiwBusinessLogicComp.onInit(InternalFcWiwBusinessLogicComp.java:414) at com.sap.xss.hr.wiw.FcWiwBusinessLogicCompInterface.onInit(FcWiwBusinessLogicCompInterface.java:115) at com.sap.xss.hr.wiw.wdp.InternalFcWiwBusinessLogicCompInterface.onInit(InternalFcWiwBusinessLogicCompInterface.java:298) at com.sap.xss.hr.wiw.wdp.InternalFcWiwBusinessLogicCompInterface$External.onInit(InternalFcWiwBusinessLogicCompInterface.java:358) at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPM.attachComponentToUsage(FPMComponent.java:922) at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPM.attachComponentToUsage(FPMComponent.java:891) at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPMProxy.attachComponentToUsage(FPMComponent.java:1084) at com.sap.xss.hr.wiw.selection.VcWiwSelectionComp.onInit(VcWiwSelectionComp.java:212) at com.sap.xss.hr.wiw.selection.wdp.InternalVcWiwSelectionComp.onInit(InternalVcWiwSelectionComp.java:206) at com.sap.xss.hr.wiw.selection.VcWiwSelectionCompInterface.onInit(VcWiwSelectionCompInterface.java:162) at com.sap.xss.hr.wiw.selection.wdp.InternalVcWiwSelectionCompInterface.onInit(InternalVcWiwSelectionCompInterface.java:144) at com.sap.xss.hr.wiw.selection.wdp.InternalVcWiwSelectionCompInterface$External.onInit(InternalVcWiwSelectionCompInterface.java:220) at com.sap.pcuigp.xssfpm.wd.FPMComponent.doProcessEvent(FPMComponent.java:564) at com.sap.pcuigp.xssfpm.wd.FPMComponent.doEventLoop(FPMComponent.java:438) at com.sap.pcuigp.xssfpm.wd.FPMComponent.wdDoInit(FPMComponent.java:196) at com.sap.pcuigp.xssfpm.wd.wdp.InternalFPMComponent.wdDoInit(InternalFPMComponent.java:110) at com.sap.tc.webdynpro.progmodel.generation.DelegatingComponent.doInit(DelegatingComponent.java:108) at com.sap.tc.webdynpro.progmodel.controller.Controller.initController(Controller.java:215) at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:200) at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.init(ClientComponent.java:430) at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.init(ClientApplication.java:362) at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.initApplication(ApplicationSession.java:754) at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:289) at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessingPortal(ClientSession.java:733) at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:668) at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:250) at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:149) at com.sap.tc.webdynpro.clientserver.session.core.ApplicationHandle.doProcessing(ApplicationHandle.java:73) at com.sap.tc.webdynpro.portal.pb.impl.AbstractApplicationProxy.sendDataAndProcessActionInternal(AbstractApplicationProxy.java:860) at com.sap.tc.webdynpro.portal.pb.impl.AbstractApplicationProxy.create(AbstractApplicationProxy.java:220) at com.sap.portal.pb.PageBuilder.updateApplications(PageBuilder.java:1289) at com.sap.portal.pb.PageBuilder.createPage(PageBuilder.java:356) at com.sap.portal.pb.PageBuilder.init(PageBuilder.java:549) at com.sap.portal.pb.PageBuilder.wdDoRefresh(PageBuilder.java:593) at com.sap.portal.pb.PageBuilder$1.doPhase(PageBuilder.java:865) at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.processPhaseListener(WindowPhaseModel.java:755) at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.doPortalDispatch(WindowPhaseModel.java:717) at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.processRequest(WindowPhaseModel.java:136) at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.processRequest(WebDynproWindow.java:335) at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:143) at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:319) at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:684) at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:250) at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:149) at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:62) at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doPost(DispatcherServlet.java:53) at javax.servlet.http.HttpServlet.service(HttpServlet.java:760) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:401) at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:266) at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:386) at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:364) at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:1039) at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:265) at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95) at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:175) 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(AccessController.java:219) at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:104) at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:176) -
Retrieving System Name used in JCO connection ?
Hi All,
Do you know how to retrive the System Name paramer value used in JCO connection using Web Dynpro programe. If so can you please sen me how.
I promise to award points for the correct answer.
Thank you and Regards
Maruti CRHi Jennifer,
Thank you for your reply. I am still trying to get the SAP system name for the model used. I trind to your your code but I am getting some compilation errors.
Bapi_User_Get_Detail_Input iasmodel = new Bapi_User_Get_Detail_Input();
The code I used is
Bapi_User_Get_Detail_Input iasmodel = (Bapi_User_Get_Detail_Input)WDModelFactory.getModelInstance(Bapi_User_Get_Detail_Input.class);
IWDJCOClientConnection jcoClientConn = (IWDJCOClientConnection)iasmodel.modelInstance();
I am getting compile errors..
The type of model represented by class 'com.ias.Bapi_User_Get_Detail_Input' is not compatible for creation by WDModelFactory
Can you please suggest?
Thank you and Regards
Maruti CR
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