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Class java.io.OptionalDataException

java.lang.Object
   |
   +----java.lang.Throwable
           |
           +----java.lang.Exception
                   |
                   +----java.io.IOException
                           |
                           +----java.io.ObjectStreamException
                                   |
                                   +----java.io.OptionalDataException

public class OptionalDataException
extends ObjectStreamException

Unexpected data appeared in an ObjectInputStream trying to read an Object. This exception occurs when the stream contains primitive data instead of the object expected by readObject. The eof flag in the exception is true to indicate that no more primitive data is available. The count field contains the number of bytes available to read.

eof: True if there is no more data in the buffered part of the stream.
length: The number of bytes of primitive data available to be read in the current buffer.

length

 public int length

The number of bytes of primitive data available to be read in the current buffer.

eof

 public boolean eof

True if there is no more data in the buffered part of the stream.

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