Flickering in portal

Hi ,
I have designed a portal with single channel.The channel has a struts based portlet which calls a web service to populate data.But when the page gets loaded there is a lot of flickering . The header gets loaded and after sometime the portlet gets loaded on pieces.Rendering is actually not smooth.Is there anyway using which I can fix this up?
Thanks & Regards,
Vivek

Hi ,
Any suggestions please?
Thank You,
Vivek

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         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(Native Method)
         at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:102)
         at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:172)
    Arguments : com.sap.sql.log.OpenSQLException,Cannot assign NULL to host variable 1. setNull() can only be used in INSERT and UPDATE statements. The statement is "SELECT MIN("YEARMONTH") "YEARMONTH",MIN("VIOLTYPE") "VIOLTYPE",MIN("VSYSKEY") "VSYSKEY",MIN("ANLTYPE") "ANLTYPE",MIN("USERGROUP") "USERGROUP",SUM("TOTCOUNT") "TOTCOUNT",SUM("RISKLOW") "RISKLOW",SUM("RISKMED") "RISKMED",SUM("RISKHIGH") "RISKHIGH",SUM("RISKCRT") "RISKCRT",SUM("URNONE") "URNONE",SUM("URLOW") "URLOW",SUM("URMED") "URMED",SUM("URHIGH") "URHIGH",SUM("URCRT") "URCRT",SUM("URMIT") "URMIT",MAX("TOTCRTCD") "TOTCRTCD",SUM("CRTCD") "CRTCD",MAX("TOTCRROLE") "TOTCRROLE",SUM("CRROLE") "CRROLE",SUM("TOTUSER") "TOTUSER",MIN("RUNDATE") "RUNDATE" FROM "VIRSA_CC_MGMTTOT" WHERE "YEARMONTH" = ? AND "VIOLTYPE" = ? AND "VSYSKEY" LIKE ? AND "ANLTYPE" = ? AND "USERGROUP" LIKE ?".,com.sap.sql.log.OpenSQLException: Cannot assign NULL to host variable 1. setNull() can only be used in INSERT and UPDATE statements. The statement is "SELECT MIN("YEARMONTH") "YEARMONTH",MIN("VIOLTYPE") "VIOLTYPE",MIN("VSYSKEY") "VSYSKEY",MIN("ANLTYPE") "ANLTYPE",MIN("USERGROUP") "USERGROUP",SUM("TOTCOUNT") "TOTCOUNT",SUM("RISKLOW") "RISKLOW",SUM("RISKMED") "RISKMED",SUM("RISKHIGH") "RISKHIGH",SUM("RISKCRT") "RISKCRT",SUM("URNONE") "URNONE",SUM("URLOW") "URLOW",SUM("URMED") "URMED",SUM("URHIGH") "URHIGH",SUM("URCRT") "URCRT",SUM("URMIT") "URMIT",MAX("TOTCRTCD") "TOTCRTCD",SUM("CRTCD") "CRTCD",MAX("TOTCRROLE") "TOTCRROLE",SUM("CRROLE") "CRROLE",SUM("TOTUSER") "TOTUSER",MIN("RUNDATE") "RUNDATE" FROM "VIRSA_CC_MGMTTOT" WHERE "YEARMONTH" = ? AND "VIOLTYPE" = ? AND "VSYSKEY" LIKE ? AND "ANLTYPE" = ? AND "USERGROUP" LIKE ?".
         at com.sap.sql.log.Syslog.createAndLogOpenSQLException(Syslog.java:85)
         at com.sap.sql.log.Syslog.createAndLogOpenSQLException(Syslog.java:124)
         at com.sap.sql.jdbc.common.CommonPreparedStatement.setNull(CommonPreparedStatement.java:303)
         at com.sap.sql.jdbc.common.CommonPreparedStatement.setString(CommonPreparedStatement.java:509)
         at com.sap.sql.sqlj.runtime.profile.ref.RTStatementJDBCPrepared.setString(RTStatementJDBCPrepared.java:359)
         at com.virsa.cc.xsys.mgmreport.dao.sqlj.MGMTotalDAO.getResult(MGMTotalDAO.sqlj:63)
         at com.virsa.cc.ui.RARiskVGraph.refreshData(RARiskVGraph.java:476)
         at com.virsa.cc.ui.RARiskVGraph.wdDoInit(RARiskVGraph.java:130)
         at com.virsa.cc.ui.wdp.InternalRARiskVGraph.wdDoInit(InternalRARiskVGraph.java:191)
         at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.doInit(DelegatingView.java:61)
         at com.sap.tc.webdynpro.progmodel.controller.Controller.initController(Controller.java:215)
         at com.sap.tc.webdynpro.progmodel.view.View.initController(View.java:445)
         at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:200)
         at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:709)
         at com.sap.tc.webdynpro.progmodel.view.ViewManager.bind(ViewManager.java:555)
         at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:724)
         at com.sap.tc.webdynpro.progmodel.view.ViewManager.bindRoot(ViewManager.java:579)
         at com.sap.tc.webdynpro.progmodel.view.ViewManager.init(ViewManager.java:155)
         at com.sap.tc.webdynpro.progmodel.view.InterfaceView.initController(InterfaceView.java:43)
         at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:200)
         at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:709)
         at com.sap.tc.webdynpro.progmodel.view.ViewManager.bind(ViewManager.java:555)
         at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:724)
         at com.sap.tc.webdynpro.progmodel.view.ViewManager.bind(ViewManager.java:555)
         at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:724)
         at com.sap.tc.webdynpro.progmodel.view.ViewManager.bind(ViewManager.java:555)
         at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:724)
         at com.sap.tc.webdynpro.progmodel.view.ViewManager.bindRoot(ViewManager.java:579)
         at com.sap.tc.webdynpro.progmodel.view.ViewManager.init(ViewManager.java:155)
         at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.doOpen(WebDynproWindow.java:295)
         at com.sap.tc.webdynpro.clientserver.window.ApplicationWindow.show(ApplicationWindow.java:183)
         at com.sap.tc.webdynpro.clientserver.window.ApplicationWindow.open(ApplicationWindow.java:178)
         at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.init(ClientApplication.java:364)
         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.doApplicationProcessingStandalone(ClientSession.java:713)
         at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:666)
         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.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(Native Method)
         at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:102)
         at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:172)
    Dsr Component : n/a
    Dsr Transaction : d2d9c100c2b811dd9eb60003baf96a51
    Dsr User :
    Indent : 0
    Level : 0
    Message Code : com.sap.sql_0019
    Message Type : 1
    Relatives : /System/Database/sql/jdbc/common
    Resource Bundlename :
    Session : 92
    Source : com.sap.sql.jdbc.common.CommonPreparedStatement
    ThreadObject : SAPEngine_Application_Thread[impl:3]_32
    Transaction :
    User : ac_admin

    Hi,
    The shear length  of your post is frightening - this would keep many potential replies away !!
    What i woudl recommend is --> Open an OSS messgae ! This would resolve your problem !!
    Thanks

  • HOW TO SET UP PARTNER APPLICATION TO USE SSO OUTSIDE OF PORTAL

    If anyone knows how Portal switches context to run as the db user mapped to the lightweight schema and how it knows the db schema password please let me know.
    Should you have any queries please do not hesitate to contact me on 07775 896738.
    From document Oracle Portal Security Overview on PortalStudio.oracle.com:
    In Single Sign On mode (EnableSSO=Yes in the DAD), mod_plsql determines the name of the light-weight user and mapped database schema by calling
    WPG_SESSION_PRIVATE.GET_LW_USER and WPG_SESSION_PRIVATE.GET_DB_USER respectively.
    ** These calls are done using the Portal Schema (PORTAL30) and Portal schema password **
    mod_plsql then executes the procedure in the requested URL by using the N-Tier Authentication feature to connect to the database as the user returned from
    WPG_SESSION_PRIVATE.GET_DB_USER. ..... Note that N-Tier Authentication requires all schemas to be used for Portal user mappings to be granted 'connect
    through' privleges to the Portal schema (PORTAL30).
    The WWCTX packages are also used.
    So this is how it works with standard Portal
    - the document states that the WPG_SESSION_PRIVATE package is only accessible to the Portal schema
    - but I checked and it is also available to PORTAL30_SSO
    SQL> desc WPG_SESSION_PRIVATE
    PROCEDURE CREATE_SESSION
    Argument Name Type In/Out Default?
    P_COOKIE_NAME VARCHAR2 IN
    FUNCTION GET_DB_USER RETURNS VARCHAR2
    FUNCTION GET_LW_USER RETURNS VARCHAR2
    PROCEDURE GET_SESSION_INFO
    Argument Name Type In/Out Default?
    NUM_PARAMS NUMBER OUT
    PARAM_NAMES TABLE OF VARCHAR2(32000) OUT
    PARAM_VALUES TABLE OF VARCHAR2(32000) OUT
    PROCEDURE RESET_SESSION
    Argument Name Type In/Out Default?
    P_COOKIE_NAME VARCHAR2 IN
    In my case only the Login Server (PORTAL30_SSO) is going to be used/installed
    - the SAMPLE_SSO_PAPP application will only work if the DAD used to access is it set to use Basic authentication, i.e. the actual integration with the Login Server
    is done in the sample application code calls, stored in the database
    - when a DAD has enableSSO=yes it automatically accesses Portal (PORTAL30) packages to implement N-Tier authentication
    I'm currently testing:
    1. Configuring the SAMPLE_SSO_PAPP sample as documented with a DAD with Basic authentication
    2. Amending the ssoapp procedure to set context to another (db) user on successful authentication:
    wwctx_api.set_context (
    p_user_name => 'SCOTT',
    p_password => 'TIGER' );
    3. If this works then set_context with get_lw_user instead
    I have now amended the ssoapp procedure as follows to print out
    1. The userid entered when the login box is presented
    2. The Database user which the Portal Lightweight user is mapped to
    3. The Lightweight user Portal has used for authentication
    Amendments to papp.pkb:
    (ssoapp procedure, declare db_user_info and lw_user_info as VARCHAR2 in declare section)
    htp.p('Congratulations! It is working!<br>');
    db_user_info := wwctx_api.get_db_user;
    lw_user_info := wwctx_api.get_user;
    htp.p('User Information:' || l_user_info || '<br>');
    htp.p('DB User Information:' || db_user_info || '<br>');
    htp.p('LW User Information:' || lw_user_info || '<br>');
    The following shows the interesting results from my testing:
    - if the user owning the sample_sso_papp package is PORTAL30_SSO then the call to wwctx_api.get_db_user succeeds
    - if the user owning the sample_sso_papp package is a non-portal schema e.g. SSOAPP below the call to wwctx_api.get_db_user generates a User Defined exception
    Steps to test:
    Created new schema SSOAPP on the database
    - edited it in Portal and checked the use this schema for Portal users checkbox
    - created new Lightweight user SSO_LW in Portal, mapped it to SSOAPP schema
    - created new Lightweight user SSO_SCOTT in Portal, mapped to SCOTT schema
    - loadjava -user ssoapp/ssoapp@portal30 SSOHash.class
    - sqlplus portal30/portal30@portal30
    @provsyns ssoapp
    - sqlplus ssoapp/ssoapp@portal30
    @loadsdk.sql
    @loadpapp.sql
    Created DAD with basic authentication SAMPLE_SSO_PAPP
    - username: ssoapp
    - default home page: sample_sso_papp.ssoapp
    Registered the Sample SSO Partner Application with the Login Server and ran regapp.sql
    Commented out the calls to get_db_user in papp.pkb to avoid exception
    - called http://<server>/pls/sample_sso_papp
    - logged on as SSO_LW/sso_lw
    - got output:
    Congratulations! It is working!
    User Information: SSO_LW
    LW User Information: PUBLIC
    So the Portal lightweight user is not returned as SSO_LW
    if anyone knows why the Lightweight User in my test is returned as PUBLIC not SSO_LW
    Best Regards
    MIchael

    http://support.mozilla.com/en-US/kb/Changing+the+e-mail+program+used+by+Firefox

  • SSO to ECC (without java stack), BI (on NetWeaver), & Portal

    I have a client that wants to configure their SAP systems in such a way so that the users sign onto their Windows workstations, are authenticated by Windows Active Directory and from then on they can sign on directly to an ECC ABAP instance, a BI instance, and an SAP Portal without having to supply a user/password combination again. (We already have SSO setup for users access some BI reports through the Portal, but in this case we want to setup direct access to the ECC and BI systems without necessarily going through the Portal environment).
    The servers are running HP-UX, the clients Windows XP, and the AD system is running under Windows 2003.
    Is this possible without using a third-party tool and if so,can anyone point me to the appropriate documentation (I've done a lot of searching, but can't find anything).
    Thanks in advance!

    I am sure this has been done before and often discussed here?
    Take a look in the FAQ thread at the top of the forum for a general overview discussion of SSO. If you keep an eye out for the note numbers, terms used and those folks who contributed to it when searching, then I am sure will find plenty of infos to start with.
    Specific vendor evaluation details and comparisons (outside of the technical realm) are generally not provided, as the 3rd parties are generally competitors...
    Cheers,
    Julius

  • Partner application access to portal login info

    How can an SSO partner application (Java) tell whether or not a user has logged in to Portal?
    I need to log activity in a public application servlet, so I'd like to log the user as PUBLIC if not logged in or as their actual userid.
    I don't seem to have access to this info until the user has visited a secure part of the app.
    Any pointers would be appreciated.
    Thanks
    Rob

    DIY answer ...
    The cludge I used to get round this was ...
    Make a PL/SQL item which displays a Login or Logout link as appropriate, based on the current userid from portal.wwctx_api.get_user.
    The login link goes to a secure portal page called FORCE_LOGIN, passing a URL parameter called nextPageURL which contains the URL of the next page to show after the login is complete. You can use portal.wwpro_api_parameters.get_value( '_pageid', 'a'); to help build the current page URL if you want to retun to the current page.
    The FOIRCE_LOGIN page contains a PL/SQL item which builds an IFRAME whos src is a URL to my app servlet ForceLoginServlet, passing on the nextPageURL parameter. Use portal.wwpro_api_parameters.get_value( 'nextPageURL', 'a'); to help with that.
    The ForceLoginServlet is a secure servlet (set up in web.xml) so that forces a silent authentication to my app. All the servlet does is display HTML to redirect back to the URL in nextPageURL.
    Horrible! But it does the job.
    Anyone who know a better way of doing this, please tell me.
    Rob

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