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Posted to issues@nifi.apache.org by "Ádám Markovics (Jira)" <ji...@apache.org> on 2022/03/25 15:36:00 UTC
[jira] [Resolved] (MINIFICPP-1776) Parallel heartbeat and flow update can cause crash
[ https://issues.apache.org/jira/browse/MINIFICPP-1776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ádám Markovics resolved MINIFICPP-1776.
---------------------------------------
Resolution: Fixed
> Parallel heartbeat and flow update can cause crash
> --------------------------------------------------
>
> Key: MINIFICPP-1776
> URL: https://issues.apache.org/jira/browse/MINIFICPP-1776
> Project: Apache NiFi MiNiFi C++
> Issue Type: Bug
> Reporter: Ádám Markovics
> Assignee: Ádám Markovics
> Priority: Major
> Time Spent: 3h 40m
> Remaining Estimate: 0h
>
> Performing heartbeat and applying a flow update in parallel can lead to a data race.
> During the flow update old processors are destructed.
> While in the heartbeat we are asking information about the processors that are being destructed or are already destructed.
>
> #0 0x00007f6a5442c0ac in org::apache::nifi::minifi::state::ProcessorController::getComponentName[abi:cxx11]() const (this=0x7f6a101f2250) at /home/fgerlits/src/minifi2/libminifi/include/core/state/ProcessorController.h:46
> #1 0x00007f6a542771e0 in org::apache::nifi::minifi::state::response::AgentStatus::serializeComponents (this=0x7f6a2effc4d0) at /home/fgerlits/src/minifi2/libminifi/include/core/state/nodes/AgentInformation.h:509
> #2 0x00007f6a54276b15 in org::apache::nifi::minifi::state::response::AgentStatus::serialize (this=0x7f6a2effc4d0) at /home/fgerlits/src/minifi2/libminifi/include/core/state/nodes/AgentInformation.h:447
> #3 0x00007f6a54278e4e in org::apache::nifi::minifi::state::response::AgentNode::getAgentStatus (this=0x7f6a14007d00) at /home/fgerlits/src/minifi2/libminifi/include/core/state/nodes/AgentInformation.h:772
> #4 0x00007f6a54279298 in org::apache::nifi::minifi::state::response::AgentInformation::serialize (this=0x7f6a14007d00) at /home/fgerlits/src/minifi2/libminifi/include/core/state/nodes/AgentInformation.h:820
> #5 0x00007f6a542f20dc in org::apache::nifi::minifi::c2::C2Agent::performHeartBeat (this=0x55b75c8a93c0) at /home/fgerlits/src/minifi2/libminifi/src/c2/C2Agent.cpp:242
> #6 0x00007f6a542f7ad0 in org::apache::nifi::minifi::c2::C2Agent::produce (this=0x55b75c8a93c0) at /home/fgerlits/src/minifi2/libminifi/src/c2/C2Agent.cpp:760
> #7 0x00007f6a542efe8d in operator() (__closure=0x7f6a2effcbf0) at /home/fgerlits/src/minifi2/libminifi/src/c2/C2Agent.cpp:87
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0 0x00007f6a5442c0ac in org::apache::nifi::minifi::state::ProcessorController::getComponentName[abi:cxx11]() const (this=0x7f6a101f2250)
> at /home/fgerlits/src/minifi2/libminifi/include/core/state/ProcessorController.h:46
> 46 return processor_->getName();
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