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Using the Exceptions and Errors Page

The Exceptions and Errors page contains information about exceptions and errors thrown by the Java application.

This page displays exception and error information in tables. Click the By Class, By Message, or By Class and Message icons to change the arrangement of the data that appears in the tables.

Using the Exceptions and Errors Page: Selections and Aspects

Use the drop-down menus at the top of the page to choose a selection and aspect if desired. Data from other pages can be saved to the selection drop-down menu by dragging an area of a chart (or selecting data from a table) and choosing Store Selection or Store Selection and Set As Focused Selection from the context menu.

The following controls provide additional behavior:
  • Show concurrent: Show all events concurrent to the selected aspect.

  • Intersecting: Show all events that intersect the original events, or only those contained in the same timespan.

  • All threads: Show events in all threads or only in threads related to the original events.

  • Time Range: Zoom to time range on relevant places on the page, or clear the time range zoom.

Using the Exceptions and Errors Page: Tables

Table columns are labeled as follows:
  • Class: The name of the exception or error class.

  • Message: The message provided by the exception or error.

  • Count: The number of times this exception or error was thrown.

Additional information is available through the following subtabs:
  • Timeline: Contains a graph plotting the number of exceptions or errors over time.

  • Event Log: Displays event log information a table including class, message, thread, and end time.

Using the Exceptions and Errors Page: Configuring Rules

You can set configuration attributes for the rules associated with this page by clicking the Edit Configuration icon.

The following options are available:

Thrown Errors
  • Error limit: The number of error events needed to trigger a warning.

  • Excluded error classes: Regular expression describing which error classes to exclude.

Thrown Exceptions
  • Exception limit: The number of thrown exceptions needed to trigger a warning.


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