FileChannel incompatibility introduced between 6 and 7 (and possible compiler bug)

Alan Bateman Alan.Bateman at
Thu Jul 26 13:57:10 PDT 2012

On 26/07/2012 19:44, David M. Lloyd wrote:
> Ran into a pretty ugly little issue just now.  My NIO framework has a 
> FileChannel subclass that it uses for certain tasks.  This works fine 
> on 7, but on 6 I get errors like this:
> java.lang.NoClassDefFoundError: java/nio/channels/SeekableByteChannel
It sounds like you are compiling with 7 and running with 6, in which 
case you need to make sure to specify - bootclasspath when specifying 
-source and -target.

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