[
https://issues.apache.org/jira/browse/HDFS-7023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14225548#comment-14225548
]
Zhanwei Wang commented on HDFS-7023:
------------------------------------
Hi [~cmccabe]
The patch looks good. But the compiler failed build the binary.
{code}
Undefined symbols for architecture x86_64:
"_XML_ErrorString", referenced from:
hdfs::internal::XmlConfigParser::ParseXml(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&) in
XmlConfigParser.cc.o
"_XML_GetCurrentLineNumber", referenced from:
hdfs::internal::XmlData::endElement(void*, char const*) in
XmlConfigParser.cc.o
hdfs::internal::XmlData::handleData(void*, char const*, int) in
XmlConfigParser.cc.o
"_XML_GetErrorCode", referenced from:
hdfs::internal::XmlConfigParser::ParseXml(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&) in
XmlConfigParser.cc.o
"_XML_Parse", referenced from:
hdfs::internal::XmlConfigParser::ParseXml(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&) in
XmlConfigParser.cc.o
"_XML_ParserCreate", referenced from:
hdfs::internal::XmlConfigParser::ParseXml(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&) in
XmlConfigParser.cc.o
"_XML_ParserFree", referenced from:
hdfs::internal::XmlData::~XmlData() in XmlConfigParser.cc.o
"_XML_SetCharacterDataHandler", referenced from:
hdfs::internal::XmlData::XmlData(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&,
XML_ParserStruct*) in XmlConfigParser.cc.o
"_XML_SetElementHandler", referenced from:
hdfs::internal::XmlData::XmlData(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&,
XML_ParserStruct*) in XmlConfigParser.cc.o
"_XML_SetUserData", referenced from:
hdfs::internal::XmlData::XmlData(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&,
XML_ParserStruct*) in XmlConfigParser.cc.o
"hdfs::internal::StrToInt32(char const*, int*)", referenced from:
hdfs::Config::getInt32(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&, int*) const in
Config.cc.o
hdfs::Config::getInt32(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&, int, int*)
const in Config.cc.o
"hdfs::internal::StrToInt64(char const*, long long*)", referenced from:
hdfs::Config::getInt64(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&, long long*)
const in Config.cc.o
hdfs::Config::getInt64(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&, long long,
long long*) const in Config.cc.o
"hdfs::internal::StrToDouble(char const*, double*)", referenced from:
hdfs::Config::getDouble(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&, double*) const
in Config.cc.o
hdfs::Config::getDouble(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&, double,
double*) const in Config.cc.o
"hdfs::internal::StrToBool(char const*, bool*)", referenced from:
hdfs::Config::getBool(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool*) const
in Config.cc.o
hdfs::Config::getBool(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool, bool*)
const in Config.cc.o
hdfs::internal::XmlData::handleData(void*, char const*, int) in
XmlConfigParser.cc.o
{code}
Seems that you forget to modify CMake file to add libexpat.
> use libexpat instead of libxml2 for libhdfs3
> --------------------------------------------
>
> Key: HDFS-7023
> URL: https://issues.apache.org/jira/browse/HDFS-7023
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: Zhanwei Wang
> Assignee: Colin Patrick McCabe
> Attachments: HDFS-7023.001.pnative.patch
>
>
> As commented in HDFS-6994, libxml2 may has some thread safe issue.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
