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https://issues.apache.org/jira/browse/XERCESC-1947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12920195#action_12920195
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Boris Kolpackov commented on XERCESC-1947:
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Ben, is this only a problem in TranscodeToStr or can you also get this by
parsing/serializing XML? It is my understanding that this only affects
TranscodeToStr.
> XMLUTF8Transcoder::transcodeTo fails with an exception when transcoding
> single characters that require 3 or more bytes as UTF8.
> --------------------------------------------------------------------------------------------------------------------------------
>
> Key: XERCESC-1947
> URL: https://issues.apache.org/jira/browse/XERCESC-1947
> Project: Xerces-C++
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 3.1.0, 3.1.1
> Environment: Tested on mac os and debian linux. The failure is only
> manifest on v3.1.x
> Reporter: Ben Griffin
> Priority: Critical
> Attachments: TransService.patch, transtest.cpp
>
>
> This can be demonstrated with the following 2 lines of code.
> const XMLCh uval [] = { 0x254B, 0x0000}; //BOX DRAWINGS HEAVY VERTICAL
> AND HORIZONTAL (needs 3 bytes for utf-8)
> char* uc = (char*)TranscodeToStr(uval,"UTF-8").adopt(); cout << uc <<
> endl << flush; XMLString::release(&uc); //faulty exception;
> The error is: "terminate called after throwing an instance of
> 'xercesc_3_1::TranscodingException'"
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