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https://issues.apache.org/jira/browse/AMQCPP-481?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Lichtin resolved AMQCPP-481.
-----------------------------------
Resolution: Fixed
Fix Version/s: 3.6.0
Yes, that's right. I can no longer reproduce this issue with 3.6.0
> NullPointerException while handling broker exception
> ----------------------------------------------------
>
> Key: AMQCPP-481
> URL: https://issues.apache.org/jira/browse/AMQCPP-481
> Project: ActiveMQ C++ Client
> Issue Type: Bug
> Affects Versions: 3.5.0
> Reporter: Martin Lichtin
> Assignee: Timothy Bish
> Fix For: 3.6.0
>
>
> (Running with a modified library that aborts in case of a
> NullPointerException.)
> (gdb) bt
> #0 0x000000397b030265 in raise () from /lib64/libc.so.6
> #1 0x000000397b031d10 in abort () from /lib64/libc.so.6
> #2 0x00002aebc6308b48 in decaf::lang::Pointer<decaf::lang::Exception,
> decaf::util::concurrent::atomic::AtomicRefCounter>::operator->
> (this=0x15b32da8) at ./decaf/lang/Pointer.h:264
> #3 0x00002aebc63065ad in
> activemq::commands::BrokerError::createExceptionObject (this=0x15b32d50) at
> activemq/commands/BrokerError.cpp:128
> #4 0x00002aebc634956e in activemq::core::ActiveMQConnection::syncRequest
> (this=0x2aaaac037600, command=..., timeout=0) at
> activemq/core/ActiveMQConnection.cpp:1251
> #5 0x00002aebc634b55b in activemq::core::ActiveMQConnection::asyncRequest
> (this=0x2aaaac037600, command=..., onComplete=0x0) at
> activemq/core/ActiveMQConnection.cpp:1275
> #6 0x00002aebc6431de4 in
> activemq::core::kernels::ActiveMQSessionKernel::send (this=0x2aaaac03daa0,
> producer=0x2aaaac040800, destination=..., message=0x2aaaac0574b0,
> deliveryMode=0, priority=4, timeToLive=0, producerWindow=0x0,
> sendTimeout=0, onComplete=0x0) at
> activemq/core/kernels/ActiveMQSessionKernel.cpp:985
> #7 0x00002aebc64254e8 in
> activemq::core::kernels::ActiveMQProducerKernel::send (this=0x2aaaac040800,
> destination=0x2aaaac040068, message=0x2aaaac0574b0, deliveryMode=0,
> priority=4, timeToLive=0, onComplete=0x0)
> at activemq/core/kernels/ActiveMQProducerKernel.cpp:269
> #8 0x00002aebc6423c99 in
> activemq::core::kernels::ActiveMQProducerKernel::send (this=0x2aaaac040800,
> message=0x2aaaac0574b0) at
> activemq/core/kernels/ActiveMQProducerKernel.cpp:139
> #9 0x00002aebc63cc270 in activemq::core::ActiveMQProducer::send
> (this=0x2aaaac040de0, message=0x2aaaac0574b0) at
> activemq/core/ActiveMQProducer.cpp:62
> etc...
> (gdb) frame 3
> #3 0x00002aebc63065ad in
> activemq::commands::BrokerError::createExceptionObject (this=0x15b32d50) at
> activemq/commands/BrokerError.cpp:128
> 128 cause = new
> cms::CMSException(this->exCause->getMessage());
> (gdb) p *this
> $10 = {<activemq::commands::BaseCommand> = {<activemq::commands::Command> =
> {<activemq::commands::BaseDataStructure> =
> {<activemq::commands::DataStructure> = {<activemq::wireformat::MarshalAware>
> = {
> _vptr.MarshalAware = 0x2aebc6c88230}, <No data fields>}, <No data
> fields>}, <No data fields>}, responseRequired = false, commandId = 0},
> message = {static npos = 18446744073709551615,
> _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>>
> = {<No data fields>}, <No data fields>}, _M_p = 0x15b2f528 "malformed input
> around byte 0"}}, exceptionClass = {static npos = 18446744073709551615,
> _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>>
> = {<No data fields>}, <No data fields>}, _M_p = 0x15b2f4e8
> "java.io.UTFDataFormatException"}},
> stackTraceElements =
> {<std::_Vector_base<decaf::lang::Pointer<activemq::commands::BrokerError::StackTraceElement,
> decaf::util::concurrent::atomic::AtomicRefCounter>,
> std::allocator<decaf::lang::Pointer<activemq::commands::BrokerError::StackTraceElement,
> decaf::util::concurrent::atomic::AtomicRefCounter> > >> = {
> _M_impl =
> {<std::allocator<decaf::lang::Pointer<activemq::commands::BrokerError::StackTraceElement,
> decaf::util::concurrent::atomic::AtomicRefCounter> >> =
> {<__gnu_cxx::new_allocator<decaf::lang::Pointer<activemq::commands::BrokerError::StackTraceElement,
> decaf::util::concurrent::atomic::AtomicRefCounter> >> = {<No data fields>},
> <No data fields>}, _M_start = 0x15b33dc0, _M_finish = 0x15b34120,
> _M_end_of_storage = 0x15b34120}}, <No data fields>},
> cause = {<decaf::util::concurrent::atomic::AtomicRefCounter> =
> {_vptr.AtomicRefCounter = 0x2aebc6c88490, counter = 0x15b33cd0}, value = 0x0,
> onDelete = 0x2aebc6307434
> <decaf::lang::Pointer<activemq::commands::BrokerError,
> decaf::util::concurrent::atomic::AtomicRefCounter>::onDeleteFunc(activemq::commands::BrokerError*)>},
> exCause = {<decaf::util::concurrent::atomic::AtomicRefCounter> =
> {_vptr.AtomicRefCounter = 0x2aebc6c884d0, counter = 0x15a9ec70}, value = 0x0,
> onDelete = 0x2aebc6307348 <decaf::lang::Pointer<decaf::lang::Exception,
> decaf::util::concurrent::atomic::AtomicRefCounter>::onDeleteFunc(decaf::lang::Exception*)>}}
> (gdb) l
> 123 cause = new cms::UnsupportedOperationException(this->message);
> 124 } else {
> 125 if (exCause != NULL) {
> 126 cause = new cms::CMSException(this->message);
> 127 } else {
> 128 cause = new
> cms::CMSException(this->exCause->getMessage());
> 129 }
> 130 }
> 131
> 132 // Wrap in a Decaf exception to carry the pointer until it can be
> The check on line 125 seems wrong. It should be ==, not?
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