IllegalStateException, when reading after rewinding

[Mark Evenson]

Robert Munyer reports in <​https://mailman.common-lisp.net/pipermail/armedbear-devel/2020-September/004135.html>:

The code below works in CCL, CLISP and SBCL, but not in ABCL.

$ echo hello > hello.text
$ java -jar abcl-1.7.1.jar
Armed Bear Common Lisp 1.7.1
Java 1.8.0_265 Oracle Corporation
OpenJDK 64-Bit Server VM
Low-level initialization completed in 0.181 seconds.
Startup completed in 0.945 seconds.
Type ":help" for a list of available commands.
CL-USER(1): (with-open-file (in "hello.text")
              (list (read in)
                    (read in nil)
                    (file-position in :start)
                    (read in)))
java.lang.IllegalStateException: Current state = CODING_END, new state = CODING
        at java.nio.charset.CharsetDecoder.throwIllegalStateException(CharsetDecoder.java:992)
        at java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:572)
        at org.armedbear.lisp.util.RandomAccessCharacterFile.read(RandomAccessCharacterFile.java:392)

[ many stack frames elided ]

        at org.armedbear.lisp.Main$1.run(Main.java:48)
        at java.lang.Thread.run(Thread.java:748)
#<THREAD "interpreter" {2CD58E2}>: Debugger invoked on condition of type ERROR
  Caught java.lang.IllegalStateException: Current state = CODING_END, new state = CODING.
Restarts:
  0: TOP-LEVEL Return to top level.
[1] CL-USER(2):

[Mark Evenson]

Addressed in <​https://github.com/armedbear/abcl/pull/304>.

[Mark Evenson]

Fixed with <​https://github.com/armedbear/abcl/pull/304> aka <https://abcl.org/trac/changeset/15387>