Server error when calling the DatabaseController.replaceConnection() method

Question

<p>I am receiving the error message below when calling the DatabaseController.replaceConnection() method. Can anyone tell me what may be the cause of this? The code being executed is below the error message.
</p>
<p>
Thank you.
</p>
<pre>
A server error occured while processing the CrystalReport object, wfr.rpt (AVTJyRKrfDxKtXX31l5E9Ek), from the CMS.
    Unable to connect to the server: ATHENA.ReportApplicationServer.
     --- java.lang.Boolean cannot be cast to java.lang.String
Stack Trace:
com.crystaldecisions.sdk.occa.report.lib.ReportSDKServerException: Unable to connect to the server:
    ATHENA.ReportApplicationServer. - java.lang.Boolean cannot be cast to java.lang.String--
    Error code:-2147217387 Error code name:connectServer
        at com.crystaldecisions.sdk.occa.report.lib.ReportSDKServerException.
                throwReportSDKServerException(Unknown Source)
        at com.crystaldecisions.sdk.occa.managedreports.ras.internal.CECORBACommunicationAdapter.
                request(Unknown Source)
        at com.crystaldecisions.proxy.remoteagent.y.a(Unknown Source)
        at com.crystaldecisions.proxy.remoteagent.r.a(Unknown Source)
        at com.crystaldecisions.sdk.occa.report.application.cf.a(Unknown Source)
        at com.crystaldecisions.sdk.occa.report.application.DatabaseController.replaceConnection(Unknown Source)
        at aiConfigUtility.cmdlline.ImportExportBiarFile.changeReportDataSource(ImportExportBiarFile.java:561)
        at aiConfigUtility.cmdlline.ImportExportBiarFile.processBiarFile(ImportExportBiarFile.java:726)
</pre>
<br />
<pre>
private void test(String reportName)
   throws SDKException, ReportSDKException, java.io.IOException
   IInfoObjects newInfoObjects;
   IInfoObject reportObj;
   ReportClientDocument clientDoc = new ReportClientDocument();
   DatabaseController dc;
   PropertyBag pBag;
   PropertyBag logonProps;
   ConnectionInfo newConInfo;
   ConnectionInfo oldConInfo;
   ConnectionInfos conInfos;
   int connOptions = DBOptions._ignoreCurrentTableQualifiers + DBOptions._doNotVerifyDB; //0;
   Fields connFields = null;
   String queryStr = "Select * From CI_INFOOBJECTS " +
      "Where SI_NAME='wfr.rpt' AND SI_KIND='CrystalReport' AND SI_INSTANCE=0";
   newInfoObjects = getCms().executeQuery(queryStr);
   if(newInfoObjects.size() > 0)
      reportObj = (IInfoObject)newInfoObjects.get(0);
      try
         clientDoc = getCms().getReportAppFactory().openDocument(
            reportObj
            , OpenReportOptions._refreshRepositoryObjects
            , java.util.Locale.US);
         dc = clientDoc.getDatabaseController();
         conInfos = dc.getConnectionInfos(null);
         for(int i = 0; i < conInfos.size(); ++i)
            oldConInfo = (ConnectionInfo)conInfos.getConnectionInfo(i);
            newConInfo = (ConnectionInfo)oldConInfo.clone(true);
            pBag = newConInfo.getAttributes();
            pBag.putStringValue("QE_ServerDescription", "alio");
            logonProps = new PropertyBag();
            logonProps.putStringValue("Trusted_Connection", "false");
            logonProps.putStringValue("Server", "alio");
            pBag.put("QE_LogonProperties", logonProps);
            newConInfo.setUserName("admin");
            newConInfo.setPassword("password");
            <b>dc.replaceConnection(
               oldConInfo
               , newConInfo
               , connFields
               , connOptions);</b>
      catch(ReportSDKServerException Ex)
         String msg = "A server error occured while processing the " + reportObj.getKind()
            + " object, " + reportObj.getTitle() + " (" + reportObj.getCUID() + "), from the CMS.";
         Utility.errorOut(msg, Ex);
      catch(Exception Ex)
         String msg = "An error occured while processing the " + reportObj.getKind()
            + " object, " + reportObj.getTitle() + " (" + reportObj.getCUID() + "), from the CMS.";
         Utility.errorOut(msg, Ex);
      finally
         clientDoc.save();
         getCms().commitToInfoStore(newInfoObjects);
         clientDoc.close();
</pre>
Edited by: Mark Young on Sep 10, 2009 2:13 PM

Answer 1

<p>I just wanted to provide an update to this. I did find a work-around for this, but I cannot explain it. The post I added to a related thread on 23 Sept. 2009, Trying to change the data source for a Crystal Report. (thread 1472257), explains a work-around I found for that problem. It seemed to resolve this one simultaneously. 
</p>
<p>
I don't know why it works. If anyone has a comment or some insight, it is welcome. Thank you in advance.
</p>