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https://issues.apache.org/jira/browse/IO-799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17729977#comment-17729977
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jeroen commented on IO-799:
---------------------------
Reproduction:
{code:java}
public static void main(String[] args) throws IOException {
try (ReaderInputStream reader =
ReaderInputStream.builder().setCharset(StandardCharsets.UTF_8).setReader(new
StringReader("123")).get()) {
System.out.println(reader.read());
System.out.println(reader.read());
System.out.println(reader.read());
System.out.println(reader.read());
System.out.println(reader.read()); // This throws the exception.
}
} {code}
> [ReaderInputStream] Repeated calls to read() while EOF should keep returning
> -1
> -------------------------------------------------------------------------------
>
> Key: IO-799
> URL: https://issues.apache.org/jira/browse/IO-799
> Project: Commons IO
> Issue Type: Improvement
> Components: Streams/Writers
> Affects Versions: 2.12.0
> Environment: Ubuntu x64, Java 11.
> Reporter: jeroen
> Priority: Major
>
> Once a ReaderInputStream reaches the end of the input, it only returns -1
> once. Subsequent calls to read() throw an IllegalStateException. This
> undocumented and unexpected.
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