Lenovo Software Help Center

Error using Report Services on headless server

When we click on the "insert database field" icon in Report Builder, we see a red X next to the field name. The following error is also generated: 


at java.lang.Class.forName0(Native Method) 

at java.lang.Class.forName(Unknown Source) 

at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(Unknown Source) 

at java.awt.image.BufferedImage.createGraphics(Unknown Source)

Edit your /stoneware/bin/webNetwork.lax file and find the line: 

Add the following to the end of the line : 

Save it, shut down webnetwork and restart it and the problem should go away.

    • Related Articles

    • Reporting server discovery

      The discovery of the reporting server is done automatically and cannot be configured by the end user.  The reporting server will broadcast on UDP 796 a packet containing the address of the reporting server.    - In a peer to peer environment, the ...
    • Report Troubleshooting

      This page covers troubleshooting for issues related to the Report section of the dashboard. Queries to "." (Root Hints) If you see a mysterious "." in your Top Requests report or in the Query Log, this is not a bug. Rather, this is due to a feature ...
    • Report Server Version 8 Overview

      For an overview, please see the LanSchool Report Server PDF.
    • License error

      While using Microsoft Terminal Services things just stop working. No error message, or after a while it would say that it could not connect at the browser. In the EVENT VIEWER on the terminal server it would say "the terminal server cannot issue a ...
    • Support and Professional Services

      Support is now included with an up to date UW product maintenance renewal.   The following items, however, are not included and still require purchasing Professional Services. Installation of production Unified Workspace system Installation of ...
    • Popular Articles

    • Can a Teacher see Students outside of school?

      This content has moved! Visit the new LanSchool Classic Help Desk It looks like you may be interested in LanSchool Classic General FAQ.
    • LanSchool Latest Release Notes

      This content has moved! Visit the new LanSchool Classic Help Desk It looks like you may be interested in LanSchool Classic Latest Release Notes.
    • How to uninstall LanSchool Student and WebHelper from Chromebook

      This content has moved! Visit the new LanSchool Classic Help Desk It looks like you may be interested in Mass Deploying LanSchool Student for Chromebook.
    • LanSchool Release Notes

      LanSchool™ Release Notes Updated: December 16, 2019 Component Versions LanSchool, December 16, 2019 Chromebook App, December 16, 2019 Chrome Web Helper:, December 16, 2019iOS TA and Student 8.2.0, December 16, 2019 Android ...
    • Controlling multiple students at once

      Problem: Can I remote control multiple computers at once? Cause: N/A Prerequisite(s): LanSchool Teacher and Student Solution(s): If all of the computers in the lab are the same basic image or configuration (for example. all Windows XP machines with ...
    • Recent Articles

    • Lenovo Software Newsletter

      Question Is there a way I can be notified about product updates? Solution To receive updates from Lenovo Software about product updates, we encourage customers to subscribe to our Lenovo Software Newsletter.
    • Allow Help Desk to reset Image Challenge images

      Issue Customer would like to allow Help Desk users to only be able to reset user Image Challenge images when they have been forgotten by a user. Solution This can be done by assigning specific users in the system the User Group Admin role, as well as ...
    • Troubleshoot RDS

      This is a good article, from Microsoft, on how to troubleshoot RDS/RDP logon issues. https://social.technet.microsoft.com/wiki/contents/articles/37841.remote-desktop-services-rds-logon-connectivity-overview-and-troubleshooting.aspx
    • Building an Employee Phonebook system

      Building a Mini Application Post #20 Can it really be that simple to create a little application with Report and Form Builder?  This tutorial shows you that it is - and actually helps you make a useful application at the same time as learning how to ...
    • Working with Binary Data in Report Services

      Quick Start Guide - Binary Data This tutorial is designed as a quick "How Do I Work With Binary Data" tutorial.  It walks through the steps necessary to upload an image to a database.  Every webNetwork 6.0 installation ships with a database called ...