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https://issues.apache.org/jira/browse/PROTON-576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14146194#comment-14146194
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Robbie Gemmell commented on PROTON-576:
---------------------------------------
As above, I have altered the test slightly (unfortunately having to disable a
few of the unicode blocks of interest) to allow it to run on Java 6, since that
is what the CI jobs are using and what the poms currently still allow.
I shall now raise a discussion about that on the mailing list.
> proton-j: codec support for UTF-8 encoding and decoding appears broken?
> -----------------------------------------------------------------------
>
> Key: PROTON-576
> URL: https://issues.apache.org/jira/browse/PROTON-576
> Project: Qpid Proton
> Issue Type: Bug
> Components: proton-j
> Affects Versions: 0.7
> Reporter: Dominic Evans
> Fix For: 0.8
>
> Attachments: 02_fix_stringtype_encode_decode.patch, PROTON-576.patch
>
>
> It seems like Proton-J has its own custom UTF-8 encoder, but relies on Java
> String's built-in UTF-8 decoder. However, the code doesn't seem quite right
> and complex double byte UTF-8 like emoji ('📔🚢🍛🍴🍹🏊🏄') can quite easily fail to
> parse:
> | | Cause:1 :- java.lang.IllegalArgumentException: Cannot parse
> String
> | | Message:1 :- Cannot parse String
> | | StackTrace:1 :- java.lang.IllegalArgumentException: Cannot parse
> String
> | | at
> org.apache.qpid.proton.codec.StringType$1.decode(StringType.java:48)
> | | at
> org.apache.qpid.proton.codec.StringType$1.decode(StringType.java:36)
> | | at
> org.apache.qpid.proton.codec.DecoderImpl.readRaw(DecoderImpl.java:945)
> | | at
> org.apache.qpid.proton.codec.StringType$AllStringEncoding.readValue(StringType.java:172)
> | | at
> org.apache.qpid.proton.codec.StringType$AllStringEncoding.readValue(StringType.java:124)
> | | at
> org.apache.qpid.proton.codec.DynamicTypeConstructor.readValue(DynamicTypeConstructor.java:39)
> | | at
> org.apache.qpid.proton.codec.DecoderImpl.readObject(DecoderImpl.java:885)
> | | at
> org.apache.qpid.proton.message.impl.MessageImpl.decode(MessageImpl.java:629)
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