Checked exception thrown when an attempt is made to invoke or complete an
I/O operation upon channel that is closed, or at least closed to that
operation. That this exception is thrown does not necessarily imply that
the channel is completely closed. A socket channel whose write half has
been shut down, for example, may still be open for reading.
For further API reference and developer documentation, see Java 2 SDK 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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