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SAP BO - Dashboard and Analytics Launch Error (Cannot forward, GetLogonToken)

About

You may have this error when you try to start :

An error has occurred: Cannot forward after response has been committed    

Dashboard and Analytics

Servlet Engine Exception: null
URL: /PerformanceManagement/scripts/tools/err_page.jsp?iSubMenus=0&ctxt=aa-setup&menu=/conf-syst/menu-setup
StackTrace:
java.lang.NullPointerException
	at com.bo.aa.util.SecurityStore.GetLogonToken(SecurityStore.java:28)
	at com.bo.aa.util.SecurityStore.getSecurityValue(SecurityStore.java:79)
	at com.bo.aa.impl.DBServerImpl.getSecurityToken(DBServerImpl.java:166)
	at org.apache.jsp.jsp.appsHome_jsp._jspService(appsHome_jsp.java:536)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)

Dashboard and Analytics Setup

Servlet Engine Exception: null
URL: /PerformanceManagement/scripts/tools/err_page.jsp?menu=%2Fconf-syst%2Fmenu-appdesigner&iSubMenus=0&
contextPath=..%2FPerformanceManagement&helpURL=%2FPMC_Help%2F%25LOC
%25%2Fdashboard_builder%2Fhtml%2Fcontext.htm%3Fcontextid%3D0001020&loc=en_GB&
service=%2FInfoViewApp%2Fcommon%2FappService.do&pvl=en_GB&ctxt=aa-appdesigner
StackTrace:
java.lang.NullPointerException
	at com.bo.aa.util.SecurityStore.GetLogonToken(SecurityStore.java:28)
	at com.bo.aa.util.SecurityStore.getSecurityValue(SecurityStore.java:79)
        .....................

Resolution

This problem can have two sources :

Performance Manager servers are not up

You may aware that if you use SAP BOBJ - Central Management Console (CMC) to manage you server the Servers List node can not show all Dashboard and Analytics servers. Then verify that all Dashboard and Analytics servers are up

To know how to manage the server : SAP BO - Servers Management (Services).

Bobj Server Service Category

Bad credential

If you are using Dashboard and Analytics from a client machine, restart the client machine.

By modifying the credential, you modify in background the file InitConfig.properties. It is located in the following location:

The line modified are :

Reference