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Exception class
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Description
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BadURLException
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Invalid URL format in the connection parameter.
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BrokerIOException
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AppServer communications error. The message contains the specific reason for the failure.
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BusySessionException
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Attempt to use a session already in use by another client thread.
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ConnectException
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Error connecting to an AppServer. The base class of several specific exceptions.
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ConnectFailedException
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Failed AppServer connection attempt. The message contains the specific reason for the failure.
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ConnectProtocolException
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Attempt to use an unknown or unsupported protocol.
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HostUnknownException
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Invalid NameServer host specified in the URL.
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InvalidNameServerPortException
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Invalid NameServer port specified in the URL.
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MetaDataException
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An inconsistency was detected during meta data validation.
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NameServerClientPortException
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NameServer was not found at the specified port number.
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NameServerClientPortRangeException
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Specified NameServer port was outside of the acceptable port range (minimum: 1024, maximum: 65535).
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NameServerClientPortRetryException
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Attempt to contact NameServer exceeded the maximum retry count.
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NameServerCommunicationsException
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NameServer communications error. The message contains the specific reason for the failure.
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NameServerInterruptException
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NameServer communications broken. Either no response was received from the NameServer or the thread was interrupted before the response was received.
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NameServerMessageFormatException
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Invalid format for message received from NameServer.
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NoSuchAppServiceException
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Application Service specified in URL is unknown to the NameServer.
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Open4GLException
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The root exception for all Open Client errors. Used for miscellaneous client-side errors.
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OutputSetException
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Output DataSet/DataTable error; for example, trying to get a column value out of column order or to make an illegal type conversion.
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ProException
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The base class for all customer-visible Open Client errors.
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RunTime4GLErrorException
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ABL ERROR condition.
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RunTime4GLException
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The base class for ABL run-time errors.
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RunTime4GLQuitException
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ABL QUIT condition.
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RunTime4GLStopException
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ABL STOP condition.
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SchemaValidationException
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An inconsistency was detected during schema validation.
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SystemErrorException
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An unexpected error indicating an OpenEdge bug or an unusual environmental problem, such as running out of disk space.
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UnknownHostnameException
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AppService host name is unknown.
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