Troubleshoot Mobile Business Object Development

Provides troubleshooting topics for problems you may encounter while using Sybase Unwired Platform to develop, test, and deploy mobile business objects (MBOs).

See the Validation Rules section for information about validation rules and error messages.

• Unwired WorkSpace Crashes When Previewing or Test Executing Large Amounts of Data
  Problem: When previewing attributes or test executing operations that involve large amounts of data in Unwired WorkSpace, for example, either a large number of rows, or large object in the returned result, Unwired WorkSpace can run out of memory and crash.
• Cannot Start Unwired WorkSpace After Upgrade
  Problem: After applying private patches, temporary fixes, or manually changing plugin contents, Unwired WorkSpace fails to start.
• Cannot Access sampledb
  Problem: After installation, you cannot access the sample database (sampledb).
• Cannot Access Sample Database After Switching Network Types
  Problem: After switching network types, Unwired WorkSpace is unable to connect to the predefined "My Sample Database" connection profile.
• Data Source Connection Fails After Installing to a New Directory
  Problem: After uninstalling Sybase Unwired Platform, then installing to a new directory, a data source connection fails in Unwired WorkSpace, with the message: java.lang.ClassNotFoundException: com.sybase.jdbc3.jdbc.SybDriver.
• MS SQL Server Connection Errors
  Problem: When connecting to MS SQL Server, the connection succeeds but the error log receives continuous errors.
• Mobile Business Object Errors
  Provides information for problems you may encounter while developing mobile business objects.
• AutoCommit Option in JDBC Attributes or Operations
  When you create MBOs from Adaptive Server® Enterprise stored procedures that use temporary tables, you must select the AutoCommit check box in the New Attributes or New Operation definition screen.
• Preview Errors for a Web Service Mobile Business Object
  Problem: You see an error when you are previewing a Web service mobile business object (MBO).
• Compiler Errors When Deploying Device Applications
  Problem: You see compiler errors when you deploy mobile business objects (MBOs) that begin with the same characters and end with "list."
• Deploying to Unwired Server Fails
  Problem: Deployment fails with when you deploy a mobile business object (MBO) to Unwired Server.
• Deploying to Unwired Server in a Cluster Fails
  Problem: Deployment fails when you deploy a mobile business object (MBO) to Unwired Server in a cluster.
• Data Truncation for Attributes without Explicit Length
  Problem: You observe data truncation, or device performance and memory issues.
• Input Parameters Fail to Generate for Complex Data Sources
  Problem: For Web service and other data sources with very complex structures with deeply nested element trees, StackOverflow or OutOfMemory may occur, or some of the operation input parameters may not be generated properly.
• Client Device Database Performance Issues after Primary Key Changed to Composite
  Problem: You observe client device database performance issues.