Web-UI error message "Access via 'NULL' object reference not possible"

I need some help, I'm not a Basis person but I need to get this connection problem resolve.
This problem is in our DEV ICWeb system. After logging in to Web-UI, I got a error message "Access via 'NULL' object reference not possible". We have 3 clients (100, 220, & 310) in DEV and all 3 clients are giving me the same error message.
From the help.sap.com, I found this topic http://help.sap.com/saphelp_nwes70/helpdata/en/84/43f0d786304e19a652a8f80909a8ec/content.htm
but in the document it asked to go to SM59 to check the ESH_APPL_WS_TEMPLATEENGINE destination. But we don't have that destination setup in all our systems.
Here is the complete error message:
Error when processing your request
What has happened?
The URL http://crm-dev.staff.copa:8000/sap/bc/bsp/sap/crm_ui_frame/BSPWDApplication.do was not called due to an error.
Note
■The following error text was processed in the system CD1 : Access via 'NULL' object reference not possible.
■The error occurred on the application server CRM-DEV_CD1_00 and in the work process 0 .
■The termination type was: RABAX_STATE
■The ABAP call stack was:
Method: GET_DATA_LOSS_HANDLER of program CL_CRM_UI_CORE_APPL_CONTROLLERCP
Method: GET_DATA_LOSS_HANDLER of program CL_CRM_UI_CORE_APPL_CONTROLLERCP
Method: EH_TRIGGER_NAVIGATION of program CL_CRM_UI_CORE_APPL_CONTROLLERCP
Method: SET_WORKAREA_CONTENT of program CL_CRM_UI_CORE_APPL_CONTROLLERCP
Method: PROCESS_NAV_QUEUE of program CL_BSP_WD_VIEW_MANAGER========CP
Method: DO_INIT of program CL_CRM_UI_FRAME_APP_CONTROLLERCP
Method: DO_INIT of program CL_BSP_CTRL_ADAPTER===========CP
Method: GET_PAGE_CONTEXT_CURRENT of program CL_BSP_CONTEXT================CP
Method: ON_REQUEST_ENTER of program CL_BSP_RUNTIME================CP
Method: ON_REQUEST of program CL_BSP_RUNTIME================CP
What can I do?
■If the termination type was RABAX_STATE, then you can find more information on the cause of the termination in the system CD1 in transaction ST22.
■If the termination type was ABORT_MESSAGE_STATE, then you can find more information on the cause of the termination on the application server CRM-DEV_CD1_00 in transaction SM21.

Hi Michael,
Refer to the link below and check the procedure.
http://help.sap.com/saphelp_nwes70/helpdata/en/84/43f0d786304e19a652a8f80909a8ec/content.htm
Regards,
Arjun

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Webservice end up in Access via 'NULL' object reference not possible error

Hello everyone,
I have a particular issue when I run a webservice on webclient but when i run on sap R/3 it works fine.
The dump which it give when I test the web service is
Short text
    Access via 'NULL' object reference not possible.
What happened?
    Error in the ABAP Application Program
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The code where it ends up in error is
2607 data: l_wb_interface type ref to fp_wb_interface.
2609 data: p_interface_data type ref to
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2610 data: l_interface TYPE REF TO
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2611 data: l_exceptions type ref to cx_root.
2613 data: l_parameters         type ref to
                                       if_fp_parameters,
2614       l_parameter_table    type tfpiopar.
2615 data: l_fpintf_name type fpname.
2616 data: wa_dd03p type dd03p,
2617        DD40V_WA type dd40v.
2618 data: l_intf_imp_item type line of tfpiopar.
2620     l_fpintf_name = i51t8_adb_fpint.
2621            TRY.
2622               l_wb_interface = cl_fp_wb_interface=>load(
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2624                                      i_mode =
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2626                                      i_language = sy-langu
2627                                ).
2628             CATCH cx_fp_api_usage into l_exceptions.
2629 *              RAISE error.
2630             CATCH cx_fp_api_repository into l_exceptions.
2631 *              RAISE error.
2632             CATCH cx_fp_api_internal into l_exceptions.
2633 *              RAISE error.
2634           ENDTRY.
2635
>>>>>     l_interface ?= l_wb_interface->get_object
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The following error text was processed in the system IDS : Access via 'NULL' object reference not possible.

Hi all ,
Im getting the below error , actually recently i created my own custom table zstudent, later i wrote select query to fetch data from the same and dump at internal table and then bind this to the table node.
But im getting below error, even i removed the select query still same error is occuring.
Error when processing your request
What has happened?
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Note
The following error text was processed in the system IDS : Access via 'NULL' object reference not possible.
The error occurred on the application server axsids00_IDS_00 and in the work process 0 .
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The ABAP call stack was:
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Method: INIT_CONTROLLER of program CL_WDR_COMPONENT==============CP
Method: INIT of program CL_WDR_CONTROLLER=============CP
Method: INIT of program CL_WDR_CLIENT_COMPONENT=======CP
Method: INIT of program CL_WDR_CLIENT_APPLICATION=====CP
Method: IF_WDR_RUNTIME~CREATE of program CL_WDR_MAIN_TASK==============CP
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Thanks Rama,
Acutally i accidentally commented the lo_nd_student = wd_context ....etc
this line was commented .
i have one small requirement to fetch data from local customised table and fill the same to internal table and bind that to table node.
my table node is student having attributes as name , city and number , all are of type strings.
now i created one custom table zstudent having ID - char of length 10,
name of type string
city of type string
num of type string
i have inserted records
but when i use select query to fill data from this zstudent to my internal table of type lt_student type wd_this->elements_student ,
im getting same above error.

Runtime error in WebDynpro - Access via 'NULL' object reference not possibl

Hi,
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* Declaration
DATA: node                  TYPE REF TO if_wd_context_node,
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              node_importing TYPE REF TO if_wd_context_node,
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node           = wd_context->get_child_node( wd_this->wdctx_wdscreeb1 ).
node_exporting = node->get_child_node( wd_this->wdctx_exporting ).
node_importing = node->get_child_node( wd_this->wdctx_importing ).
* Bind the data to the context
node_report = node_exporting->get_child_node( name = 'T_REPORT` ).
node_report->bind_elements( lt_report ).
Its giving run time error 'Access via 'NULL' object reference not possible. ' when it comes to ' node_report->bind_elements( lt_report ).' I checked the content while debugging and found that it was initial. Not sure why Node_report is initial. all others have data.
node ->
node_exporting ->
node_importing ->
node_report ->

http://wiki.sdn.sap.com/wiki/display/EP/PointersforTroubleshootingPortalRuntime+Errors
Hope this helps.
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Getting error on Portal : Access via 'NULL' object reference not possible

hi friends,
While executing a bapi,I am getting this error : Access via 'NULL' object reference not possible., error key: RFC_ERROR_SYSTEM_FAILURE
I am calling a bapi with only one required parameter from Portal as per the design of the bapi and the bapi itself is calling some other functions internally.
I a using ECC 5.00 i,e. EA-HR 5.00. On SDN it is suggested to Apply OSS Note 1018036. But it is applicable to EA-HR 6.00 and subsequent releases,I guess.
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Hi,
ESS Personal information scenarios
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In case record is not modified successfully it should discard the
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Error when save project Access via 'NULL' object reference not possible PLM

Dear All,
we are using cProject (PLM)4.0
When i create project & try to save ,system gives me error 'Access via 'NULL' object reference not possible'
Steps
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2.save
showing below error
Note
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The ABAP call stack was:
Error code: ICF-IE-http -c: 300 -u: PLMUSER1 -l: E -s: PLD -i: Ndimdev_PLD_20 -w: 0 -d: 20090702 -t: 164926 -v: RABAX_STATE -e: OBJECTS_OBJREF_NOT_ASSIGNED
Please do needful
Regards
Ravindra

Hi,
Put a break point and check whther ur node and
element instantiation is properly done.
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IC WEBCLIENT: Access via 'NULL' object reference not possible

Hi,
Iam working in ABAP, and learning CRM ABAP on CRM5.0 IDES Demo system I was trying to create a new WebIC by copying one view from CRM_IC to ZCRM_IC bsp application. Following are the steps I following according to Cook book documentation.
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2. Created a runtime profile from SPRO->CRM->IC Webclient->Customer specific modifications->Define
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3. Copied the 'DEFAULT' runtime profile to my new profile 'Z_COOKBOOK'. Assign 'ZCRM_IC' by
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   CRM_IC BuPaMoreContactView    Z_CRM_IC         BuPaMoreContactView
4. Define IC Webclient profile:
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5. Assigned the Webclient profile to the user from t-code 'PPOMW'. Selected 'USER' from the
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6. Execute the ZCRM_IC from SE80 by rightclick and Test. Here is my problem,Iam receiving the
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     The following error text was processed in the system CR7 :
           Access via 'NULL' object reference not possible.
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The ABAP call stack was:
      Method: SET_MODELS of program CL_CRM_IC_BUPADISPCUSTOME=====CP
      Method: SET_MODELS of program CL_CRM_IC_BUPADISPCUSTOME=====CP
      Method: SET_MODELS of program CL_CRM_IC_BUPADISPCUSTOME_IMPLCP
      Method: DO_REQUEST of program CL_BSP_WD_VIEW_CONTROLLER=====CP
      Method: DO_REQUEST of program CL_BSP_CTRL_ADAPTER===========CP
      Method: ON_REQUEST of program CL_BSP_RUNTIME================CP
      Method: IF_HTTP_EXTENSION~HANDLE_REQUEST of program CL_HTTP_EXT_BSP===============CP
      Method: EXECUTE_REQUEST_FROM_MEMORY of program CL_HTTP_SERVER================CP
      Function: HTTP_DISPATCH_REQUEST of program SAPLHTTP_RUNTIME
      Module: %_HTTP_START of program SAPMHTTP
I check the CRM services and all are active, using IE8 web browser. I just copied the view and controller
from CRM_IC into Custom BSP application i.e., ZCRM_IC.
Above error is occuring even If i run the standard CRM_IC BSP application and select one simple view.
from SE80.
Not sure whether any additional configuration or any special roles to be assigned to the Webclient profile.
Thanks,
Venn.

hello swapna,
we are facing the same error while accessing the leave request link, all jco are testing fine, i checked backend connection and its fine, please tel me how did u resolved that issue,
Thanks in advance.....
ajay

Access via 'NULL' object reference not possible   - GET_RANGE_TABLE_OF_SEL_

Hi Guru's,
   i am new for WebDynpro programming.I am trying to use select-options tutorial.
System showing select options and table binding on screen when i test the application.
I have using search button to get the value which user will i/p.for that onaction method created, i have writen the code to get the values which user will input.
Method given below is of componentcontroler
method wddoinit .
data: lt_range_table type ref to data,
        rt_range_table type ref to data,
        read_only type abap_bool,
        lt_range_table1 type ref to data.
data: lr_componentcontroller type ref to ig_componentcontroller,
        l_ref_cmp_usage type ref to if_wd_component_usage.
create the used component
l_ref_cmp_usage = wd_this->wd_cpuse_select_options( ).
if l_ref_cmp_usage->has_active_component( ) is initial.
    l_ref_cmp_usage->create_component( ).
endif.
wd_this->m_wd_select_options = wd_this->wd_cpifc_select_options( ).
wd_this->m_handler = wd_this->m_wd_select_options->init_selection_screen( ).
wd_this->m_handler->set_global_options(
                          i_display_btn_cancel = abap_false
                          i_display_btn_check   = abap_false
                          i_display_btn_reset   = abap_false
                          i_display_btn_execute = abap_false ).
lt_range_table = wd_this->m_handler->create_range_table( i_typename = 'S_CARR_ID' ).
wd_this->m_handler->add_selection_field( i_id = 'CARRID'
it_result = lt_range_table i_read_only = read_only ).
call method wd_this->m_handler->add_horizontal_divider
    exporting
      i_id = 'LINE'.
endmethod.
Method given below is of VIEW.
method ONACTIONSEARCH .
DATA: NODE_FLIGHTS TYPE REF TO IF_WD_CONTEXT_NODE.
DATA: RT_CARRID TYPE REF TO DATA.
DATA: ISFLIGHT TYPE TABLE OF SFLIGHT.
DATA: WSFLIGHT TYPE SFLIGHT.
FIELD-SYMBOLS: <FS_CARRID> TYPE TABLE.
Retrieve the data from the select option
RT_CARRID = WD_THIS->M_HANDLER->GET_RANGE_TABLE_OF_SEL_FIELD( I_ID = 'S_CARR_ID' ).
Assign it to a field symbol
ASSIGN RT_CARRID->* TO <FS_CARRID>.
CLEAR ISFLIGHT. REFRESH ISFLIGHT.
SELECT * INTO CORRESPONDING FIELDS OF TABLE ISFLIGHT FROM SFLIGHT
                       WHERE CARRID IN <FS_CARRID>.
NODE_FLIGHTS = WD_CONTEXT->GET_CHILD_NODE( NAME = `FLIGHTS` ).
NODE_FLIGHTS->BIND_ELEMENTS( ISFLIGHT ).
endmethod.
while executing appln. error is trigger on line given below
RT_CARRID = WD_THIS->M_HANDLER->GET_RANGE_TABLE_OF_SEL_FIELD( I_ID = 'S_CARR_ID' ).
Err: The following error text was processed in the system BCD : Access via 'NULL' object reference not possible.
please help me out on this issue.
Thanks and Regards
Vinayak Sapkal

hi ,
The attribute M_HANDLER is an attirbute of component controller (as told by your post) and so you cannot access it as you have done it.
You will have to access it as .
WD_COMP_CONTROLLER->M_HANDLER->GET_RANGE_TABLE_OF_SEL_FIELD(I_ID = 'S_CARR_ID' ).
Try doing it.
Or else , if you have created a similar attribute in your view itself , then it is "INITIAL" and hence you are getting the dump.
You will have to assign the view attribute "M_HANDLER" with the value of your component controller attribute "M_HANDLER" ,because all the initializations are done in WDDOINIT of comp controller and on component controller atribute "M_HANDLER".
Thanks,
aditya.

WebDynpro Abap MSS: Access via "NULL" object reference not possible

hi,
My customer send me the following link to Appraisal Documents (Manager) MSS
http://server.sap.portal:1810/sap/bc/webdynpro/sap/HAP_START_PAGE_POWL_UI_MSS/
http://a.imageshack.us/img685/5959/mss3.jpg (logon in Costumer SAP System)
http://a.imageshack.us/img225/4008/mss4.jpg (Appraisal Documents (Manager) MSS run succesful)
Link that also run by the SICF in my customer is correct.
But when I run in my SAP System see the following error
http://a.imageshack.us/img715/5355/mss1j.jpg (SCIF in my SAP System)
http://a.imageshack.us/img44/5346/mss2.jpg (SCIF - test service)
http://a.imageshack.us/img840/1677/mss2b.jpg (Error, without window logon)
<b> Access via "NULL" object reference not possible</b>
Other question is: In what part of MSS is this option? because the ESS is in Career and Jobs / Appraisals Documents
http://a.imageshack.us/img683/9900/careerjob3.jpg (Employee Self Service / Career and Jobs / Appraisals Documents)
thanks for your posts and answer
Ivan

Hello
The most important information is (again) missing: which object reference is initial ("NULL")?
The ABAP dump will tell you.
Below I show an example how this can happen (and be avoided):
LOOP AT lt_accountings INTO ls_accounting.
lo_po_account ?= ls_accounting-accounting.
ENDLOOP.
" QUESTION: Are you sure that lo_po_account hold an instance ???
" If LO_PO_ACCOUNT is empty the following statement will give you the dump.
ls_mepoaccounting = lo_po_account->get_data( ).
" And that is how to avoid this (at least the dump. Whether your logic is still ok is another matter...)
CHECK ( lo_po_account IS BOUND ).
ls_mepoaccounting = lo_po_account->get_data( ).
Regards
Uwe

RFC_ERROR_SYSTEM_FAILURE - - Access via NULL object reference not possible

Hi,
RFC was working fine , suddenly starting showing error below ( not sure if i changed anything ) -
Rest of the RFC's in the same app are working fine.
The error throwed is -
com.sap.tc.webdynpro.modelimpl.dynamicrfc.WDDynamicRFCExecuteException: Access via NULL object reference not possible., error key: RFC_ERROR_SYSTEM_FAILURE
Full error details -
com.sap.tc.webdynpro.modelimpl.dynamicrfc.WDDynamicRFCExecuteException: Access via NULL object reference not possible., error key: RFC_ERROR_SYSTEM_FAILURE
     at com.sap.tc.webdynpro.modelimpl.dynamicrfc.DynamicRFCModelClassExecutable.execute(DynamicRFCModelClassExecutable.java:101)
     at com.sap.xss.per.fc.persinfo.FcPersInfo.onCleanup(FcPersInfo.java:561)
     at com.sap.xss.per.fc.persinfo.wdp.InternalFcPersInfo.onCleanup(InternalFcPersInfo.java:798)
     at com.sap.xss.per.fc.persinfo.FcPersInfoInterface.onCleanup(FcPersInfoInterface.java:246)
     at com.sap.xss.per.fc.persinfo.wdp.InternalFcPersInfoInterface.onCleanup(InternalFcPersInfoInterface.java:299)
     at com.sap.xss.per.fc.persinfo.wdp.InternalFcPersInfoInterface$External.onCleanup(InternalFcPersInfoInterface.java:459)
     at com.sap.pcuigp.xssfpm.wd.FPMComponent.cleanUp(FPMComponent.java:644)
     at com.sap.pcuigp.xssfpm.wd.FPMComponent.access$1000(FPMComponent.java:78)
     at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPM.exitCalled(FPMComponent.java:963)
     at com.sap.pcuigp.xssfpm.wd.FPMComponent$FPMProxy.exitCalled(FPMComponent.java:1134)
     at com.sap.pcuigp.xssfpm.wd.BackendConnections.wdDoExit(BackendConnections.java:124)
     at com.sap.pcuigp.xssfpm.wd.wdp.InternalBackendConnections.wdDoExit(InternalBackendConnections.java:228)
     at com.sap.tc.webdynpro.progmodel.generation.DelegatingCustomController.doExit(DelegatingCustomController.java:77)
     at com.sap.tc.webdynpro.progmodel.controller.Controller.exitController(Controller.java:180)
     at com.sap.tc.webdynpro.progmodel.controller.Controller.exit(Controller.java:154)
     at com.sap.tc.webdynpro.progmodel.controller.Component.exitController(Component.java:251)
     at com.sap.tc.webdynpro.progmodel.controller.Controller.exit(Controller.java:154)
     at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.exit(ClientComponent.java:219)
     at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.exit(ClientApplication.java:474)
     at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.destroy(ClientApplication.java:527)
     at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.destroy(ApplicationSession.java:398)
     at com.sap.tc.webdynpro.clientserver.session.ClientWindow.destroyApplicationSession(ClientWindow.java:235)
     at com.sap.tc.webdynpro.clientserver.session.ClientSession.doDestroyApplication(ClientSession.java:1003)
     at com.sap.tc.webdynpro.clientserver.session.ClientSession.doSessionManagementPostProcessing(ClientSession.java:789)
     at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:264)
     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.doGet(DispatcherServlet.java:46)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
     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:102)
     at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:172)
Caused by: com.sap.aii.proxy.framework.core.BaseProxyException: Access via 'NULL' object reference not possible., error key: RFC_ERROR_SYSTEM_FAILURE
     at com.sap.aii.proxy.framework.core.AbstractProxy.send$(AbstractProxy.java:150)
     at com.sap.xss.per.model.mac.HRXSS_PER_MAC.hrxss_Per_Cleanup(HRXSS_PER_MAC.java:331)
     at com.sap.xss.per.model.mac.Hrxss_Per_Cleanup_Input.doExecute(Hrxss_Per_Cleanup_Input.java:137)
     at com.sap.tc.webdynpro.modelimpl.dynamicrfc.DynamicRFCModelClassExecutable.execute(DynamicRFCModelClassExecutable.java:92)
     ... 43 more
Thanks,
Regards,
Ankit

Hello Vaish & Ankit,
Can you check what is the dump occurred in transaction ST22?
I hope you guys are working with HR data. So, i think some object is not passed(internally) correctly in RFC.
Please debug the RFC by keeping the breakpoint from webdynpro application, then you will come to know what is not passed when we execute the RFC from R/3.
Regards
Nizamudeen SM

Access via 'NULL' object reference not possible Error in WD application execution

Experts,
I am getting following error for web dynpro application intermittently, please find following error log:
What happened?
    Error in the ABAP Application Program
    The current ABAP program "CL_SALV_WD_C_TABLE_V_TABLE====CP" had to be
     terminated because it has
    come across a statement that unfortunately cannot be executed.
Error analysis
    An exception occurred that is explained in detail below.
    The exception, which is assigned to class 'CX_SY_REF_IS_INITIAL', was not
     caught in
    procedure "IF_SALV_WD_COMP_TABLE_DATA_MAP~MAP_TO_RESULT_CHANGES" "(METHOD)",
     nor was it propagated by a RAISING clause.
    Since the caller of the procedure could not have anticipated that the
    exception would occur, the current program is terminated.
    The reason for the exception is:
    You attempted to use a 'NULL' object reference (points to 'nothing')
    access a component.
    An object reference must point to an object (an instance of a class)
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    Either the reference was never set or it was set to 'NULL' using the
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Information on where terminated
    Termination occurred in the ABAP program "CL_SALV_WD_C_TABLE_V_TABLE====CP" -
     in "IF_SALV_WD_COMP_TABLE_DATA_MAP~MAP_TO_RESULT_CHANGES".
    The main program was "SAPMHTTP ".
    In the source code you have the termination point in line 168
    of the (Include) program "CL_SALV_WD_C_TABLE_V_TABLE====CM080".
    The termination is caused because exception "CX_SY_REF_IS_INITIAL" occurred in
    procedure "IF_SALV_WD_COMP_TABLE_DATA_MAP~MAP_TO_RESULT_CHANGES" "(METHOD)",
     but it was neither handled locally nor declared
    in the RAISING clause of its signature.
    The procedure is in program "CL_SALV_WD_C_TABLE_V_TABLE====CP "; its source
     code begins in line
    1 of the (Include program "CL_SALV_WD_C_TABLE_V_TABLE====CM080 ".
Line SourceCde
138
139         "Set new value to result data
140         if ls_changelist-r_old_value is not bound.
141           "insert new table line
142           lr_component->r_result_data->if_salv_bs_r_data_table_edit~insert_table_line(
143             index = l_result_data_index ).
144         else.
145           "Modify existing table line
146           lr_component->r_result_data->if_salv_bs_r_data_table_edit~set_table_line(
147             index     = l_result_data_index
148             data_line = <ls_table> ).
149         endif.
150       else.
151         "A single attribute value has to be updated
152
153         "Get context element from output data node
154         data lr_element type ref to if_wd_context_element.
155
156         "Retrieve the element to update from the data output node
157         if l_mass_edit_row_inserted = abap_true.
158           "The Element only exists virtually due to the mass edit mode.
159           lr_element = lr_node->get_element( l_mass_edit_virtual_index ).
160           l_mass_edit_row_inserted = abap_false.
161         else.
162           "The element already exists in the data output node.
163           lr_element = lr_node->get_element( ls_changelist-index ).
164         endif.
165
166         "Determine if the cell to be updated is set to null (Nullable)
167         data l_is_null type abap_bool.
>>>>>         l_is_null = lr_element->is_attribute_null( ls_changelist-attribute ).
169
170         "Update result data with change
171         if <l_value> is assigned.
172           "update ResultData with cell value
173           lr_component->r_result_data->if_salv_bs_r_data_table_edit~set_table_cell(
174             index     = l_result_data_index
175             attribute = ls_changelist-attribute
176             data_cell = <l_value>
177             is_null   = l_is_null ).
178         else.
179           "Update result data without any updated cell value
180           lr_component->r_result_data->if_salv_bs_r_data_table_edit~set_table_cell(
181             index     = l_result_data_index
182             attribute = ls_changelist-attribute
183             is_null   = l_is_null ).
184         endif.
Please help us on what could be the reason behind this?
Thanks,
Madan

Hi Madan,
It seems that, there are user settings saved and the attribute in the layout settings is not available with current changes.
try to delete the user settings if any.
Please find my answer in the below link
Reset user settings in WDA
Hope this helps you.
Regards,
Rama

Access via 'NULL' object reference not possible.

hi all,
                   i am getting the following error in my application(getting data from 2 data base table and kept in internal table and binding that 2 internal table to two context)
in st22 i have this.
Error analysis
    An exception occurred that is explained in detail below.
    The exception, which is assigned to class 'CX_SY_REF_IS_INITIAL', was not
     caught in
    procedure "PARSE_XML_DATA" "(METHOD)", nor was it propagated by a RAISING
     clause.
    Since the caller of the procedure could not have anticipated that the
    exception would occur, the current program is terminated.
    The reason for the exception is:
    You attempted to use a 'NULL' object reference (points to 'nothing')
    access a component.
    An object reference must point to an object (an instance of a class)
    before it can be used to access components.
    Either the reference was never set or it was set to 'NULL' using the
    CLEAR statement.
gettong error at line 52.
24       data: parseerror type ref to if_ixml_parse_error,
25             str        type string,                         "#EC NEEDED
26             i          type i,                              "#EC NEEDED
27             count      type i,
28             index      type i.
29       count = parser->num_errors( ).
30 *      write: count, ' parse errors have occured:'.
31       index = 0.
32       while index < count.
33         parseerror = parser->get_error( index = index ).
34         i = parseerror->get_line( ).
35 *        write: 'line: ', i.
36         i = parseerror->get_column( ).
37 *        write: 'column: ', i.
38         str = parseerror->get_reason( ).
39 *        write: str.
40         index = index + 1.
41       endwhile.
42     endif.
43   endif.
44
45   data l_ref_ixml_elem type ref to if_ixml_element.
46   l_ref_ixml_elem = l_ref_doc->get_root_element( ).
47
48   data l_ref_node_list type ref to if_ixml_node_list.
49   data l_ref_child type ref to if_ixml_node.
50   data nodes_index type i value 0.
51   data l_count type i.
>>>>   l_ref_node_list = l_ref_ixml_elem->get_children( ).
53   while nodes_index < l_ref_node_list->get_length( ).
54     l_ref_child = l_ref_node_list->get_item( nodes_index ).
55     nodes_index = nodes_index + 1.
56     l_count = l_ref_child->num_children( ).
57     if l_count > 0.
58       me->parse_xml_subnode( subnode                 = l_ref_child index = 0
59                              with_initial_attributes = with_initial_attributes ).
60     elseif with_initial_attributes = abap_true.
61       me->parse_xml_subnode( subnode                 = l_ref_child index = 0
62                              with_initial_attributes = with_initial_attributes ).
pls help me
regards,
vinoth.

hi thomas,
                    thanks for ur reply.
this is my scenario:
my context:
                    >contract(root node with cardinality 1:1)
                          >mandt_ekko( 1:1)
                                ebeln
                          >disp_ekko(o:n)
                               bstyp
                               lifnr
                         >disp_ekpo(o:n)
                              ebelp
                              txz01
based on ebeln fetched at run time. i have to display ekko and ekpo table details in form.i have fetched values based on that ebeln and put it in 2 internal table from ekko and ekpo table and binded that to context.but getting error.
my code:
method ONACTIONSUBMIT .
DATA lo_nd_contract TYPE REF TO if_wd_context_node.
DATA lo_nd_mandt_ekko TYPE REF TO if_wd_context_node.
DATA lo_el_mandt_ekko TYPE REF TO if_wd_context_element.
DATA ls_mandt_ekko TYPE wd_this->element_mandt_ekko.
* navigate from <CONTEXT> to <CONTRACT> via lead selection
lo_nd_contract = wd_context->get_child_node( name = wd_this->wdctx_contract ).
* navigate from <CONTRACT> to <MANDT_EKKO> via lead selection
lo_nd_mandt_ekko = lo_nd_contract->get_child_node( name = wd_this->wdctx_mandt_ekko ).
* get element via lead selection
lo_el_mandt_ekko = lo_nd_mandt_ekko->get_element( ).
* get all declared attributes
lo_el_mandt_ekko->get_static_attributes(
    IMPORTING
      static_attributes = ls_mandt_ekko ).
DATA lo_nd_disp_ekko TYPE REF TO if_wd_context_node.
DATA lo_el_disp_ekko TYPE REF TO if_wd_context_element.
DATA ls_disp_ekko TYPE wd_this->element_disp_ekko.
* navigate from <CONTEXT> to <CONTRACT> via lead selection
lo_nd_contract = wd_context->get_child_node( name = wd_this->wdctx_contract ).
* navigate from <CONTRACT> to <DISP_EKKO> via lead selection
lo_nd_disp_ekko = lo_nd_contract->get_child_node( name = wd_this->wdctx_disp_ekko ).
* @TODO handle not set lead selection
IF lo_nd_disp_ekko IS INITIAL.
ENDIF.
* get element via lead selection
lo_el_disp_ekko = lo_nd_disp_ekko->get_element( ).
* @TODO handle not set lead selection
IF lo_el_disp_ekko IS INITIAL.
   lo_el_disp_ekko = lo_nd_disp_ekko->create_element( ).
ENDIF.
data: IT_EKKO TYPE standard table of EKKO,
      lo_nd_snode_1 TYPE REF TO if_wd_context_node.
select * from EKKO into table it_EKKO WHERE EBELN = ls_mandt_ekko-EBELN.
   if sy-subrc eq 0.
    lo_nd_snode_1 = wd_context->path_get_node( 'CONTRACT.DISP_EKKO' ).
    lo_nd_snode_1->bind_table( it_EKKO ).
endif.
DATA lo_nd_disp_ekpo TYPE REF TO if_wd_context_node.
DATA lo_el_disp_ekpo TYPE REF TO if_wd_context_element.
DATA ls_disp_ekpo TYPE wd_this->element_disp_ekpo.
* navigate from <CONTEXT> to <CONTRACT> via lead selection
lo_nd_contract = wd_context->get_child_node( name = wd_this->wdctx_contract ).
* navigate from <CONTRACT> to <DISP_EKPO> via lead selection
lo_nd_disp_ekpo = lo_nd_contract->get_child_node( name = wd_this->wdctx_disp_ekpo ).
* @TODO handle not set lead selection
IF lo_nd_disp_ekpo IS INITIAL.
ENDIF.
* get element via lead selection
lo_el_disp_ekpo = lo_nd_disp_ekpo->get_element( ).
* @TODO handle not set lead selection
IF lo_el_disp_ekpo IS INITIAL.
    lo_el_disp_ekpo = lo_nd_disp_ekpo->create_element( ).
ENDIF.
data: lo_nd_snode_2 TYPE REF TO if_wd_context_node,
      IT_EKPO TYPE standard table of EKPO.
select * from EKPO into table it_EKPO WHERE EBELN = ls_mandt_ekko-EBELN.
   if sy-subrc eq 0.
    lo_nd_snode_2 = wd_context->path_get_node( 'CONTRACT.DISP_EKPO' ).
    lo_nd_snode_2->bind_table( it_EKPO ).
ENDIF.
endmethod.
when i execute got that error.any help highly appreciated.
regards,
vinoth.
Edited by: Thomas Jung on Aug 10, 2009 8:10 AM

BSP - 500 Internal Server Error Access via 'NULL' object reference not possible.

Hello Colleagues, I'm new to BSP maybe someone could help me.
I’m taking data from a DB table through select an put them into htmlb tables.
The layout looks like:
<htmlb:tableViewColumn columnName="PK_Terms"
<%--wrapping="true"--%>
width="50"
horizontalAlignment = "center"
verticalAlignment = "middle"
fixedColumn="true">
</htmlb:tableViewColumn>
After I select the vendor (first table), another table appears with additional Info (see screenshot). I've set the the visible row count to 10 and the data appears without errors, but when I click the next page button or type page number to see the next 10 rows, following error message appears:
The ABAP call hierarchy was:
Method: _ONINPUTPROCESSING of program CL_O2DH4AGZFD1H3VPXDQ9541G8559CP
Method: %_ONINPUTPROCESSING of program CL_O2DH4AGZFD1H3VPXDQ9541G8559CP
Method: DO_REQUEST of program CL_BSP_PAGE===================CP
Method: ON_REQUEST of program CL_BSP_RUNTIME================CP
Method: IF_HTTP_EXTENSION~HANDLE_REQUEST of program CL_HTTP_EXT_BSP===============CP
Method: EXECUTE_REQUEST_FROM_MEMORY of program CL_HTTP_SERVER================CP
Function: HTTP_DISPATCH_REQUEST of program SAPLHTTP_RUNTIME
Module: %_HTTP_START of program SAPMHTTP
My select statement:
if tv_data->row_key is not initial.
select ekko~lifnr ekko~ekorg as po ekpo~netwr as netwr ekko~bukrs as cc
ekpo~ebeln from ekpo join ekko on ekpo~ebeln eq ekko~ebeln
into corresponding fields of table lt_ek1
where lifnr eq tv_data->row_key.
Whats wrong ?

Hi Pramod,
we have already checked and maintain also.
but no use.
and this user moved to QUA and maintain Personnel number also it is working well in QUA.
but it is not working in PRD. it is having all authorizations also.
once we deleted user in PRD and then created in PRD assign all roles but no use.
we got same error in particular USER only.
and clear the cache in portal side and browser side also there is no use.
and PMS documentation update it.but no use.
what is missing authorization to particular user and how to solve this issue please suggest us.
regards
nagendra

Access via null objects reference not possible

Hi all,
I kept getting the error mssage above when I run this code below. I am trying to display the result of a pdf data on an interactive form on webdynpro. What is the problem actually? The node consist of n attribute typed xstring and the interactive form pdfsource is binded to this attribute.
LOOP AT lt_pdf INTO lw_pdf.
lw_string-lv_string = lw_pdf-line.
EXPORT my_data = lw_string-lv_string TO DATA BUFFER lw_buffer-lv_buffer.
IMPORT my_data TO lw_xstring-lv_xstring FROM DATA BUFFER lw_buffer-lv_buffer IN CHAR-TO-HEX MODE.
APPEND lw_xstring to lt_xstring.
CLEAR lw_pdf.
CLEAR lw_string.
CLEAR lw_buffer.
ENDLOOP.
navigate from <CONTEXT> to <PDF> via lead selection
invalidate the node
lo_node_pdf = wd_context->get_child_node( name = if_componentcontroller=>wdctx_pdf ).
lo_node_pdf->invalidate( ).
get element via lead selection
lo_elem_pdf = lo_node_pdf->get_element( ).
get single attribute
lo_elem_pdf->get_attribute(
    EXPORTING
      name = `SOURCE`
    IMPORTING
      value = lo_item_source ).
CALL FUNCTION 'CONVERT_OTF'
EXPORTING
   FORMAT                      = 'PDF'
MAX_LINEWIDTH               = 132
ARCHIVE_INDEX               = ' '
COPYNUMBER                  = 0
ASCII_BIDI_VIS2LOG          = ' '
PDF_DELETE_OTFTAB           = ' '
IMPORTING
   BIN_FILESIZE                = pdf_size
   BIN_FILE                    = pdf_data
TABLES
    otf                         = lt_pdf[]
    lines                       = lv_dummy
EXCEPTIONS
   ERR_MAX_LINEWIDTH           = 1
   ERR_FORMAT                  = 2
   ERR_CONV_NOT_POSSIBLE       = 3
   ERR_BAD_OTF                 = 4
   OTHERS                      = 5
IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
        WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
CALL METHOD lo_elem_pdf->set_attribute
EXPORTING
    VALUE = pdf_data
    name   = 'SOURCE'

objects is empty.

Access via 'NULL' object reference not possible solved

Hi Guys,
Thanks to those who contributed in solving this problem. There are several reasons for this error but in my case I traved it to table:
SCMGV_CASETYPE
When I maintained this table the error disappeared.
May someone please tell me the rationale behind this table as it relates to case management.
Thanks.

. SRMREGEDIT and in view SCMGV_CASETYPE
o H_PO (Process Object), H_FO (Scenario Object) and H_SO (Step Object).
is important for the process initiated in p and f
http://wiki.sdn.sap.com/wiki/display/ERPHCM/FrequentlyaskedquestionsforCase+Customizing

Web-UI error message "Access via 'NULL' object reference not possible"

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