Troubleshooting Web Applications

Table of Contents

Launch Web applications
IE shows "done" status and then stays blank
IE 7 reports "Internet Explorer cannot open the Internet site. Operation aborted." error
"Failed to get resource from Appeon Server" error
"Unable to validate current license file. Please reinstall Appeon Server"
Failed to install the Download Center plug-in
Failed to manually download Appeon ActiveX
Failed to initialize Appeon Weblibrary Component
Failed to download *.* file
Demo Web applications do not load in Internet Explorer
Web applications do not load in Internet Explorer
IE browser fails to open Web applications
Error "Connect EAServer failed" when loading Appeon demo applications
Error "Create instance failed" when loading n-Tier NVO Web applications
"Create Session failed"
"Load application failed"
"Failed to invoke remote procedure" error
"Automation server could not create object" error on some clients
"Object doesn't support this property or method" error
Display errors
Distributed DataWindows are not displayed
Corrupt Chinese characters are displayed in a DataWindow
Text does not display or text is grayed out
DropDownListBox does not display completely
Nested reports over five pages do not display
Nested reports over 50 rows do not display
MDI windows do not display in full
Truncated display of data or controls in a DataWindow or Window
Extra space or padding between MDI client area and toolbar
Text displays in large size and is cut off
Unable to display the double-byte characters
Runtime issues
Error 10999 - Keyword not supported: 'dsn'
Cannot update Transaction Objects for WebLogic servers
Error 404 - File or directory not found
Http 404 not found error occurs when using WebSphere as the Application Server
"Stack overflow error"
"Could not Initialize JavaVM!"
"Failed to get DataWindow syntax from Appeon Server"
Window loses focus of I-beam cursor
Receiving "Server busy" error
"Error occurred while creating an object instance" on the status box
"Are you sure you want to navigate away from this page?" warning message
DropDownDataWindow value incorrectly selected
"Predefined error_message pfc_dwdberror"
Demo Web application fails to call EJB component
Error occurs when running Distributed DataWindow in Appeon Code Examples Demo
"EonToolset60 Load resource failed"
The SQL statement cannot perform correctly when the Web server is installed on a VMWare
Data operation
Retrieved data does not display in DataWindows
Unable to retrieve data from database
Database lock
Data missing in some DataWindows
DataWindows do not respond
Manipulation on BLOB files
Fail to parse the result meta of the Select statement
Fail to update data
Fail to update dynamically generated DataWindow
Update error: Failed to update database due to java.sql.SQLException... cannot insert the value NULL...
"Error converting data type A to B"
Fail to update DataWindows with newly entered Korean characters
SelectBlob and UpdateBlob have different results for non-binary fields
How to solve the messy code issue when retrieving data in Oracle
Appeon Performance Analyzer continually popping up
ASE Chained mode issue
Windows open relatively slow
Web application is very slow if use SQL Anywhere 10 and Appeon Server for .NET
ASA/SQL Anywhere engine crashes when you insert data into AppeonDB
Server NVO cannot be activated when the Web application is running
An item which usually requires one click must be clicked twice to be selected
Special characters in URL cause missing parameters when being redirected
Weblibrary and cedownloadcenter DLLs cannot be updated

This section contains information about general troubleshooting issues when running Web applications deployed with Appeon for PowerBuilder. If you cannot resolve the problem using this troubleshooting guide, please contact technical support at