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https://issues.apache.org/jira/browse/PROTON-576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14140480#comment-14140480
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Dominic Evans commented on PROTON-576:
--------------------------------------
A small bit of improvement with that optimization, I'll attach a refreshed
patch.
{code:title=# Results|borderStyle=solid}
Benchmark Mode Samples Mean Mean
error Units
t.TestStringType.testUsingPatchedProton thrpt 4096 7.616
0.033 ops/ms
t.TestStringType.testUsingProton07 thrpt 4096 8.947
0.079 ops/ms
{code}
> 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
> Attachments: 02_fix_stringtype_encode_decode.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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