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From "Rajika Kumarasiri (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HTTPCORE-278) Making CharsetEncoder/CharsetDecoder CodingErrorAction to be configurable
Date Tue, 27 Sep 2011 04:55:12 GMT
Making CharsetEncoder/CharsetDecoder CodingErrorAction to be configurable
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                 Key: HTTPCORE-278
                 URL: https://issues.apache.org/jira/browse/HTTPCORE-278
             Project: HttpComponents HttpCore
          Issue Type: Improvement
            Reporter: Rajika Kumarasiri


Due to various character encoding complexities such as the system is configured to receive
UTF-16 and but receives UTF-8 streams etc.. following exception throws by the httpcore library[0].


At this point the connection will be dropped. But upon receiving this kind of errors we can
recover if we configure  CharsetEncoder/CharsetDecoder with a CodingErrorAction [1] where
the action can be report (default), ignore and resume or replace and resume the coding logic.
I think this choice should be a configuration option in  SessionInputBufferImpl/SessionOutputBufferImpl
constructors. 

A possible patch will follow. 

Rajika


[0] - java.nio.charset.MalformedInputException: Input length = 1 
        at java.nio.charset.CoderResult.throwException(Unknown Source) 
        at org.apache.http.impl.nio.reactor.SessionInputBufferImpl.readLine(SessionInputBufferImpl.java:189)

        at org.apache.http.impl.nio.codecs.AbstractMessageParser.parse(AbstractMessageParser.java:169)

        at org.apache.http.impl.nio.DefaultNHttpClientConnection.consumeInput(DefaultNHttpClientConnection.java:154)

        at org.apache.http.impl.nio.DefaultClientIOEventDispatch.inputReady(DefaultClientIOEventDispatch.java:148)

        at org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:161)

        at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:339)

        at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:319)

        at org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:275)

        at org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:104)

        at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:528)

        at java.lang.Thread.run(Unknown Source)  

[1] - http://download.oracle.com/javase/6/docs/api/java/nio/charset/CodingErrorAction.html

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