Program: 88517
Project: 88517
Buggy source:
@Override public void doPut(HttpServletRequest request,HttpServletResponse response) throws IOException, ServletException {
  if (!isValidRequest(request)) {
    response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,String.format("String_Node_Str"));
    return;
  }
  final String user=request.getParameter("String_Node_Str");
  final String dimension=request.getParameter("String_Node_Str");
  final String scope=request.getParameter("String_Node_Str");
  final String provider=request.getParameter("String_Node_Str");
  String value=request.getParameter("String_Node_Str");
  final String valueType=request.getParameter("String_Node_Str");
  Object o=null;
  try {
    if (valueType == null) {
      o=value;
    }
 else     if ("String_Node_Str".equals(valueType)) {
      int i=Integer.parseInt(value);
      o=i;
    }
 else     if ("String_Node_Str".equals(valueType)) {
      double d=Double.parseDouble(value);
      o=d;
    }
 else     if ("String_Node_Str".equals(valueType)) {
      Date d=SimpleDateFormat.getDateTimeInstance().parse(value);
      o=d;
    }
  }
 catch (  Exception ex) {
    response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,String.format("String_Node_Str",value,valueType,ex.toString()));
    return;
  }
  final Object typedVal=o;
  Ref<User> refu=ofy().load().type(User.class).filter("String_Node_Str",user).first();
  final Key<User> keyu;
  User u=refu.getValue();
  if (u != null) {
    keyu=refu.getKey();
  }
 else {
    u=new User();
    u.URI=user;
    keyu=ofy().save().entity(u).now();
  }
  ofy().transact(new VoidWork(){
    @Override public void vrun(){
      Ref<UserProfileEntry> refentry=ofy().load().type(UserProfileEntry.class).ancestor(keyu).filter("String_Node_Str",dimension).filter("String_Node_Str",scope).filter("String_Node_Str",provider).first();
      UserProfileEntry entry=refentry.getValue();
      if (entry == null) {
        entry=new UserProfileEntry();
        entry.user=keyu;
        entry.dimension=dimension;
        entry.provider=provider;
        entry.scope=scope;
      }
      entry.value=typedVal;
      ofy().save().entity(entry).now();
    }
  }
);
}

Fixed version (ground truth):
@Override public void doPut(HttpServletRequest request,HttpServletResponse response) throws IOException, ServletException {
  if (!isValidRequest(request)) {
    response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,String.format("String_Node_Str"));
    return;
  }
  final String user=request.getParameter("String_Node_Str");
  final String dimension=request.getParameter("String_Node_Str");
  final String scope=request.getParameter("String_Node_Str");
  final String provider=request.getParameter("String_Node_Str");
  String value=request.getParameter("String_Node_Str");
  final String valueType=request.getParameter("String_Node_Str");
  Object o=null;
  try {
    if (valueType == null || "String_Node_Str".equals(valueType)) {
      o=value;
    }
 else     if ("String_Node_Str".equals(valueType)) {
      int i=Integer.parseInt(value);
      o=i;
    }
 else     if ("String_Node_Str".equals(valueType)) {
      double d=Double.parseDouble(value);
      o=d;
    }
 else     if ("String_Node_Str".equals(valueType)) {
      Date d=SimpleDateFormat.getDateTimeInstance().parse(value);
      o=d;
    }
 else {
      response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,String.format("String_Node_Str",valueType));
      return;
    }
  }
 catch (  Exception ex) {
    response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,String.format("String_Node_Str",value,valueType,ex.toString()));
    return;
  }
  final Object typedVal=o;
  Ref<User> refu=ofy().load().type(User.class).filter("String_Node_Str",user).first();
  final Key<User> keyu;
  User u=refu.getValue();
  if (u != null) {
    keyu=refu.getKey();
  }
 else {
    u=new User();
    u.URI=user;
    keyu=ofy().save().entity(u).now();
  }
  ofy().transact(new VoidWork(){
    @Override public void vrun(){
      Query<UserProfileEntry> query=ofy().load().type(UserProfileEntry.class).ancestor(keyu);
      if (dimension != null)       query=query.filter("String_Node_Str",dimension);
      if (scope != null)       query=query.filter("String_Node_Str",scope);
      if (provider != null)       query=query.filter("String_Node_Str",provider);
      Ref<UserProfileEntry> refentry=query.first();
      UserProfileEntry entry=refentry.getValue();
      if (entry == null) {
        entry=new UserProfileEntry();
        entry.user=keyu;
        entry.dimension=dimension;
        entry.provider=provider;
        entry.scope=scope;
      }
      entry.value=typedVal;
      ofy().save().entity(entry).now();
    }
  }
);
}