Hey Sohail,
We've fixed several bugs in Wt::Dbo since 3.1.3 (including memory bugs
and transaction failure handling), any chance you can first see if
this has been fixed with latest Wt (3.1.6) ?
Regards,
koen
KIMI_UNIT_TEST( TestWtMapClassMemoryLeak )
{
dbo::backend::Sqlite3 connection(":memory:");
dbo::Session session;
session.setConnection(connection);
session.mapClass<Class>("class");
session.mapClass<Class>("class"); // Second one leaks
}
KIMI_UNIT_TEST( TestWtFlushLeak )
{
dbo::backend::Sqlite3 connection(":memory:");
dbo::Session session;
session.setConnection(connection);
session.mapClass<Class>("class");
Wt::Dbo::Transaction t(session);
dbo::ptr<Class> klass(new Class);
klass.modify()->integer = 5;
session.add(klass);
t.commit(); // This leaks...
}
==27331== 44 (8 direct, 36 indirect) bytes in 1 blocks are definitely lost in
loss record 3 of 3
==27331== at 0x402569A: operator new(unsigned int) (vg_replace_malloc.c:255)
==27331== by 0x80A2A9E: void
Wt::Dbo::Session::implSave<Class>(Wt::Dbo::MetaDbo<Class>&) (Session_impl.h:180)
==27331== by 0x80A2561: Wt::Dbo::MetaDbo<Class>::flush() (ptr_impl.h:45)
==27331== by 0x80B5D88: Wt::Dbo::Session::flush() (Session.C:155)
==27331== by 0x80B8D7C: Wt::Dbo::Transaction::Impl::commit()
(Transaction.C:77)
==27331== by 0x80B8C2A: Wt::Dbo::Transaction::commit() (Transaction.C:51)
==27331== by 0x809FFD5: TestWtFlushLeak::test_method()
(test_SchemaManager.cpp:113)
==27331== by 0x809FE82: TestWtFlushLeak_invoker() (test_SchemaManager.cpp:99)
==27331== by 0x8052084: boost::unit_test::ut_detail::unused
boost::unit_test::ut_detail::invoker<boost::unit_test::ut_detail::unused>::invoke<void
(*)()>(void (*&)()) (callback.hpp:56)
==27331== by 0x8052066:
boost::unit_test::ut_detail::callback0_impl_t<boost::unit_test::ut_detail::unused,
void (*)()>::invoke() (callback.hpp:89)
==27331== by 0x8193C38:
boost::unit_test::callback0<boost::unit_test::ut_detail::unused>::operator()()
const (callback.hpp:118)
==27331== by 0x8193BD9: boost::unit_test::(anonymous
namespace)::zero_return_wrapper_t<boost::unit_test::callback0<boost::unit_test::ut_detail::unused>
>::operator()() (unit_test_monitor.ipp:41)
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