title: SAP BO CMC - Error in Information Steward link on CMC (SBOP BI 4.1 sp5 & SBO EIM 4.2 sp3): Servlet execution threw an exception
body: <p>I have installed SAP Business Objects. 
  Now i installed the app Information Steward but unfortunately something goes wrong!</p>
  
  <p>At the end of the installation show up the following error:    </p>
  
  <pre><code>HTTP Status 500 - Servlet execution threw an exception
  
  
  
  
  
  
  
  type Exception report
  
  
  
  message Servlet execution threw an exception
  
  
  
  description The server encountered an internal error that prevented it from fulfilling this request.
  
  
  
  exception 
  
  
  
  javax.servlet.ServletException: Servlet execution threw an exception
  
      com.businessobjects.pinger.TimeoutManagerFilter.doFilter(TimeoutManagerFilter.java:168)
  
  
  
  
  
  root cause 
  
  
  
  java.lang.NoClassDefFoundError: org/apache/commons/fileupload/FileUpload
  
      org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:114)
  
      com.businessobjects.http.servlet.internal.FilterRegistration.doFilter(FilterRegistration.java:72)
  
      com.businessobjects.http.servlet.internal.filter.FilterChainImpl.doFilter(FilterChainImpl.java:43)
  
      com.businessobjects.mm.SessionTimeoutFilter.doFilter(SessionTimeoutFilter.java:86)
  
      com.businessobjects.http.servlet.internal.FilterRegistration.doFilter(FilterRegistration.java:72)
  
      com.businessobjects.http.servlet.internal.filter.FilterChainImpl.doFilter(FilterChainImpl.java:43)
  
      com.businessobjects.mm.TraceLogScopeFilter.doFilter(TraceLogScopeFilter.java:35)
  
      com.businessobjects.http.servlet.internal.FilterRegistration.doFilter(FilterRegistration.java:72)
  
      com.businessobjects.http.servlet.internal.filter.FilterChainImpl.doFilter(FilterChainImpl.java:43)
  
      com.businessobjects.bip.core.web.boetrustguard.BOETrustPrepareFilter.doFilter(BOETrustPrepareFilter.java:35)
  
      com.businessobjects.http.servlet.internal.FilterRegistration.doFilter(FilterRegistration.java:72)
  
      com.businessobjects.http.servlet.internal.filter.FilterChainImpl.doFilter(FilterChainImpl.java:43)
  
      com.businessobjects.bip.core.web.supportabilty.TraceLogScopeFilter.doFilter(TraceLogScopeFilter.java:38)
  
      com.businessobjects.http.servlet.internal.FilterRegistration.doFilter(FilterRegistration.java:72)
  
      com.businessobjects.http.servlet.internal.filter.FilterChainImpl.doFilter(FilterChainImpl.java:43)
  
      com.businessobjects.sdk.actionfilter.WorkflowFilter.doFilter(WorkflowFilter.java:45)
  
      com.businessobjects.http.servlet.internal.FilterRegistration.doFilter(FilterRegistration.java:72)
  
      com.businessobjects.http.servlet.internal.filter.FilterChainImpl.doFilter(FilterChainImpl.java:43)
  
      com.businessobjects.bip.core.web.appcontext.RequestInitFilter.doFilter(RequestInitFilter.java:26)
  
      com.businessobjects.http.servlet.internal.FilterRegistration.doFilter(FilterRegistration.java:72)
  
      com.businessobjects.http.servlet.internal.filter.FilterChainImpl.doFilter(FilterChainImpl.java:43)
  
      com.businessobjects.http.servlet.internal.BundlePathAwareServiceHandler.serviceHelper(BundlePathAwareServiceHandler.java:235)
  
      com.businessobjects.http.servlet.internal.BundlePathAwareServiceHandler.service(BundlePathAwareServiceHandler.java:197)
  
      com.businessobjects.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:248)
  
      javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
  
      org.eclipse.equinox.servletbridge.BridgeServlet.service(BridgeServlet.java:220)
  
      javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
  
      com.businessobjects.pinger.TimeoutManagerFilter.doFilter(TimeoutManagerFilter.java:168)
  
  
  
  note The full stack trace of the root cause is available in the Apache Tomcat/7.0.55 logs.
  
  
  
  
  
  --------------------------------------------------------------------------------
  
  
  
  Apache Tomcat/7.0.55
  </code></pre>
  
  <p>At SAP forum they do not know how fix it:</p>
  
  <p><a href="http://scn.sap.com/thread/3668812" rel="nofollow noreferrer">SAP SCN</a></p>
  
  <p>On stackoverflow neither:</p>
  
  <ul>
  <li><a href="https://stackoverflow.com/questions/13639068/tomcat7-http-status-500-servlet-execution-threw-an-exception">stack1</a></li>
  <li><a href="https://stackoverflow.com/questions/25615874/http-status-500-servlet-execution-threw-an-exception">stack2</a></li>
  </ul>
  
  <p>I do not think there is need of writing code, and i'm not sure if i have to add manually the missing class.</p>