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https://issues.apache.org/jira/browse/GEODE-8436?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Blake Bender closed GEODE-8436.
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> Several threads calling PdxInstanceFactory::create() causes seg fault
> ---------------------------------------------------------------------
>
> Key: GEODE-8436
> URL: https://issues.apache.org/jira/browse/GEODE-8436
> Project: Geode
> Issue Type: Bug
> Components: native client
> Reporter: Alberto Bustamante Reyes
> Assignee: Alberto Bustamante Reyes
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.14.0
>
> Attachments: main.cpp
>
>
> I have seen a problem when "PdxInstanceFactory::create()" is called by
> several threads that are registering the same new pdx type.
> The core is produced here:
> {code}
> void PdxInstanceImpl::toDataMutable(PdxWriter& writer) {
> auto pt = getPdxType();
> std::vector<std::shared_ptr<PdxFieldType>>* pdxFieldList =
> pt->getPdxFieldTypes();
> {code}
> The problem is that "getPdxType()" returns nullptr, so in the next line,
> there is segmentation fault when calling "pt->getPdxFieldTypes()".
> The issue can be reproduced using the attached client, and executing it using
> 8 threads. This is the stack got in gdb:
> {code}
> #0 apache::geode::client::PdxType::getPdxFieldTypes (this=0x0) at
> /home/alb3rtobr/CLionProjects/Nordix/geode-native/cppcache/src/PdxType.hpp:178
> #1 0x00007f43dc4651b7 in
> apache::geode::client::PdxInstanceImpl::toDataMutable (this=0x7f43c0001600,
> writer=...) at
> /home/alb3rtobr/CLionProjects/Nordix/geode-native/cppcache/src/PdxInstanceImpl.cpp:1336
> #2 0x00007f43dc4650fd in apache::geode::client::PdxInstanceImpl::toData
> (this=0x7f43c0001600, writer=...) at
> /home/alb3rtobr/CLionProjects/Nordix/geode-native/cppcache/src/PdxInstanceImpl.cpp:1327
> #3 0x00007f43dc444971 in apache::geode::client::PdxHelper::serializePdx
> (output=..., pdxObject=warning: RTTI symbol not found for class
> 'std::_Sp_counted_ptr_inplace<apache::geode::client::PdxInstanceImpl,
> std::allocator<apache::geode::client::PdxInstanceImpl>,
> (__gnu_cxx::_Lock_policy)2>'
> warning: RTTI symbol not found for class
> 'std::_Sp_counted_ptr_inplace<apache::geode::client::PdxInstanceImpl,
> std::allocator<apache::geode::client::PdxInstanceImpl>,
> (__gnu_cxx::_Lock_policy)2>'
> std::shared_ptr<apache::geode::client::PdxSerializable> (use count 3, weak
> count 0) = {...})
> at
> /home/alb3rtobr/CLionProjects/Nordix/geode-native/cppcache/src/PdxHelper.cpp:77
> #4 0x00007f43dc44b4bc in apache::geode::client::PdxInstanceFactory::create
> (this=0x7f43c7ffecc8) at
> /home/alb3rtobr/CLionProjects/Nordix/geode-native/cppcache/src/PdxInstanceFactory.cpp:53
> #5 0x000000000040de2f in doPut () at
> /home/alb3rtobr/CLionProjects/dummy-client/main.cpp:60
> #6 0x0000000000427767 in std::__invoke_impl<void, void (*)()>
> (__f=@0x2561aa8: 0x40d860 <doPut()>) at
> /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0/../../../../include/c++/7.5.0/bits/invoke.h:60
> #7 0x00000000004276fd in std::__invoke<void (*)()> (__fn=@0x2561aa8:
> 0x40d860 <doPut()>) at
> /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0/../../../../include/c++/7.5.0/bits/invoke.h:95
> #8 0x00000000004276d5 in std::thread::_Invoker<std::tuple<void (*)()>
> >::_M_invoke<0ul> (this=0x2561aa8) at
> /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0/../../../../include/c++/7.5.0/thread:234
> #9 0x00000000004276a5 in std::thread::_Invoker<std::tuple<void (*)()>
> >::operator() (this=0x2561aa8) at
> /usr/bin/../lib/gcc/x86_64-linux-gnu/7.5.0/../../../../include/c++/7.5.0/thread:243
> #10 0x0000000000427589 in
> std::thread::_State_impl<std::thread::_Invoker<std::tuple<void (*)()> >
> >::_M_run (this=0x2561aa0)
> {code}
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