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The Structure of Error Messages


Error messages are based on information from three separate sources:

  1. Tools/commands
  2. TTCN Core94
  3. System

The first part is always present in an error message but the other two may be inapplicable to some error messages.

Example 301

Open: Operation failure
Can not open the file /home/users/user/suite.itex-lock
Permission denied

The example above notifies you about a failed attempt to open a test suite due to you insufficient privileges to create the lock file that should automatically be created when a test suite is opened or created. Observe that as the lock file is created before any attempt is done to open the test suite, the error messages often refer to that file instead of the test suite files.

The following are examples of when the second and third parts are missing and when the third part is missing respectively.

Example 302

Replace: Illegal search pattern: \(foo

Example 303

Find table: Can not open foo
No such object


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