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From "Carl Trieloff (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Commented: (QPID-1766) Implemention of selector using Xquery
Date Mon, 13 Apr 2009 00:57:14 GMT

    [ https://issues.apache.org/jira/browse/QPID-1766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12698299#action_12698299
] 

Carl Trieloff commented on QPID-1766:
-------------------------------------


The patch is close, two issues need to be resolved before commit:

1.) I am able to create a core, this might be due to a mistake in my refactor to make it into
a plug-in, or something else. I have not had time to look into that.
2.) We need to add a test, python test would be the way to go.

I have attached the pa,tch, with all everything I have added to Chenta's work....

I have move the selector into the XML exchange plugin, so both get loaded at one.

Below is the backtrace from the core.

(gdb) bt
#0  0x0000003425fbc110 in vtable for xercesc_2_8::PanicHandler () from /usr/lib64/libxerces-c.so.28
#1  0x000000342616f528 in xercesc_2_8::RefHash2KeysTableOf<VarHashEntry<StaticAnalysis
const*> >::removeAll ()
   from /usr/lib64/libxqilla.so.4
#2  0x0000003426172720 in XQContextImpl::~XQContextImpl () from /usr/lib64/libxqilla.so.4
#3  0x00000034261c5103 in XQQuery::~XQQuery () from /usr/lib64/libxqilla.so.4
#4  0x00007f5582f80b32 in checked_delete<XQQuery> (x=<value optimized out>) at
/usr/include/boost/checked_delete.hpp:34
#5  boost::detail::sp_counted_impl_p<XQQuery>::dispose (this=<value optimized out>)
at /usr/include/boost/detail/sp_counted_impl.hpp:79
#6  0x00007f5582f85a61 in boost::detail::sp_counted_base::release () at /usr/include/boost/detail/sp_counted_base_gcc_x86.hpp:145
#7  ~shared_count () at /usr/include/boost/detail/shared_count.hpp:205
#8  ~shared_ptr () at /usr/include/boost/shared_ptr.hpp:131
#9  ~SelectorImpl (this=0x10e2d90) at qpid/xml/Selector.h:48
#10 0x00007f5583ba6bcb in boost::detail::sp_counted_base::release () at /usr/include/boost/detail/sp_counted_base_gcc_x86.hpp:145
#11 ~shared_count () at /usr/include/boost/detail/shared_count.hpp:205
#12 ~shared_ptr () at /usr/include/boost/shared_ptr.hpp:131
#13 ~ConsumerImpl (this=0x10e1f80) at qpid/broker/SemanticState.cpp:338
#14 0x00007f5583b29e39 in boost::detail::sp_counted_base::release () at /usr/include/boost/detail/sp_counted_base_gcc_x86.hpp:145
#15 ~shared_count (this=<value optimized out>) at /usr/include/boost/detail/shared_count.hpp:205
#16 0x00007f5583ba8498 in ~shared_ptr () at /usr/include/boost/shared_ptr.hpp:131
#17 ~pair () at /usr/lib/gcc/x86_64-redhat-linux/4.3.2/../../../../include/c++/4.3.2/bits/stl_pair.h:73
#18 __gnu_cxx::new_allocator<std::pair<std::string const, boost::shared_ptr<qpid::broker::SemanticState::ConsumerImpl>
> >::destroy ()
    at /usr/lib/gcc/x86_64-redhat-linux/4.3.2/../../../../include/c++/4.3.2/ext/new_allocator.h:118
#19 std::_Rb_tree<std::string, std::pair<std::string const, boost::shared_ptr<qpid::broker::SemanticState::ConsumerImpl>
>, std::_Select1st<std::pair<std::string const, boost::shared_ptr<qpid::broker::SemanticState::ConsumerImpl>
> >, std::less<std::string>, std::allocator<std::pair<std::string const,
boost::shared_ptr<qpid::broker::SemanticState::ConsumerImpl> > > >::_M_destroy_node
()
    at /usr/lib/gcc/x86_64-redhat-linux/4.3.2/../../../../include/c++/4.3.2/bits/stl_tree.h:390
#20 std::_Rb_tree<std::string, std::pair<std::string const, boost::shared_ptr<qpid::broker::SemanticState::ConsumerImpl>
>, std::_Select1st<std::pair<std::string const, boost::shared_ptr<qpid::broker::SemanticState::ConsumerImpl>
> >, std::less<std::string>, std::allocator<std::pair<std::string const,
boost::shared_ptr<qpid::broker::SemanticState::ConsumerImpl> > > >::erase ()
    at /usr/lib/gcc/x86_64-redhat-linux/4.3.2/../../../../include/c++/4.3.2/bits/stl_tree.h:1319
#21 std::map<std::string, boost::shared_ptr<qpid::broker::SemanticState::ConsumerImpl>,
std::less<std::string>, std::allocator<std::pair<std::string const, boost::shared_ptr<qpid::broker::SemanticState::ConsumerImpl>
> > >::erase ()
    at /usr/lib/gcc/x86_64-redhat-linux/4.3.2/../../../../include/c++/4.3.2/bits/stl_map.h:523
#22 qpid::broker::SemanticState::cancel (this=0x10e8de8, tag=@0x10e86d0) at qpid/broker/SemanticState.cpp:100
#23 0x00007f5583bab5ec in qpid::broker::SessionAdapter::MessageHandlerImpl::cancel (this=0x10e8fa8,
destination=@0x1157fa0)
    at qpid/broker/SessionAdapter.cpp:496
#24 0x00007f558370ad12 in std::string::_M_rep ()
    at /usr/lib/gcc/x86_64-redhat-linux/4.3.2/../../../../include/c++/4.3.2/bits/basic_string.h:286
#25 ~basic_string () at /usr/lib/gcc/x86_64-redhat-linux/4.3.2/../../../../include/c++/4.3.2/bits/basic_string.h:494
#26 ~Result () at ./qpid/framing/Invoker.h:41
#27 ~Invoker () at ./qpid/framing/Invoker.h:39
#28 ~Invoker (this=0x109f4d0) at gen/qpid/framing/ClientInvoker.h:138
#29 0x00007f558370c9b0 in ?? () from /home/cctrieloff/apache/qpid1/cpp/src/.libs/libqpidcommon.so.0
#30 0x00007f5583a3e6f0 in vtable for qpid::framing::AMQP_ClientOperations::ConnectionHandler::Invoker
()


> Implemention of selector using Xquery
> -------------------------------------
>
>                 Key: QPID-1766
>                 URL: https://issues.apache.org/jira/browse/QPID-1766
>             Project: Qpid
>          Issue Type: Improvement
>          Components: C++ Broker, C++ Client
>         Environment: Linux
>            Reporter: chenta lee
>         Attachments: Makefile.patch, Makefile.patch, selector.patch, selector.patch,
selector_broker.patch, selector_client.patch, selector_client.patch, selector_example.zip
>
>
> I implemented the message selector for C++ broker and client using Xquery.
> I will attach an example later.

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