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## org.omg.CORBA
Class UNKNOWN

    java.lang.Object
      java.lang.Throwable
          java.lang.Exception
              java.lang.RuntimeException
                  org.omg.CORBA.SystemException
                      org.omg.CORBA.UNKNOWN

All Implemented Interfaces:
  Serializable

    public final class UNKNOWN

extends SystemException

This exception is raised if an operation implementation throws a non-CORBA exception (such as an exception specific to the implementation's programming language), or if an operation raises a user exception that does not appear in the operation's raises expression. UNKNOWN is also raised if the server returns a system exception that is unknown to the client. (This can happen if the server uses a later version of CORBA than the client and new system exceptions have been added to the later version.)

It contains a minor code, which gives more detailed information about what caused the exception, and a completion status. It may also contain a string describing the exception.

See the section Minor Code Meanings to see the minor codes for this exception.

See Also:
  documentation on Java IDL exceptions

Field Summary

Fields inherited from class org.omg.CORBA.SystemException
`completed, minor`

Constructor Summary
`UNKNOWN()` Constructs an `UNKNOWN` exception with a default minor code of 0, a completion state of CompletionStatus.COMPLETED_NO, and a null description.
`UNKNOWN(int minor, CompletionStatus completed)` Constructs an `UNKNOWN` exception with the specified minor code and completion status.
`UNKNOWN(String s)` Constructs an `UNKNOWN` exception with the specified description message, a minor code of 0, and a completion state of COMPLETED_NO.
`UNKNOWN(String s, int minor, CompletionStatus completed)` Constructs an `UNKNOWN` exception with the specified description message, minor code, and completion status.

Method Summary

Methods inherited from class org.omg.CORBA.SystemException
`toString`

Methods inherited from class java.lang.Throwable
`fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### UNKNOWN

    public UNKNOWN()

  Constructs an `UNKNOWN` exception with a default minor code of 0, a completion state of CompletionStatus.COMPLETED_NO, and a null description.

### UNKNOWN

    public UNKNOWN(String s)

  Constructs an `UNKNOWN` exception with the specified description message, a minor code of 0, and a completion state of COMPLETED_NO.

  Parameters:
    `s` - the String containing a detail message

### UNKNOWN

    public UNKNOWN(int minor,
                   CompletionStatus completed)

  Constructs an `UNKNOWN` exception with the specified minor code and completion status.

  Parameters:
    `minor` - the minor code
    `completed` - the completion status

### UNKNOWN

    public UNKNOWN(String s,
                   int minor,
                   CompletionStatus completed)

  Constructs an `UNKNOWN` exception with the specified description message, minor code, and completion status.

  Parameters:
    `s` - the String containing a description message
    `minor` - the minor code
    `completed` - the completion status

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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