Sorry forgot to add this information, g++ complier and protoc version I am 
using 


[tsutton@ssa-syr-g1x-dev01 simple_proto]$ g++ --version
g++ (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44)
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

[tsutton@ssa-syr-g1x-dev01 simple_proto]$ protoc --version
libprotoc 3.21.5

On Wednesday, August 31, 2022 at 11:36:44 AM UTC-4 Timothy Sutton wrote:

> I am getting a sigabrt when my deconstructor is being called. I have a 
> fairly  proto file. Which is below highlighted in yellow (sorry I cant do 
> attachments). I did a simple main to create my Data and then assign a 
> heartbeat, and then try to unassign the heartbeat and this creates a 
> SIGABRT with _int_free() issue. My quick main application is highlighted in 
> red below. 
>
>
>
>
> syntax = "proto3";
> package common;
>
> option java_package = "com.corporate";
> option java_multiple_files = true;
>
> enum Kind {
>     COMMON = 0;
> }
>
> message Data { //header.kind == "COMMON"
>     oneof content {
>         Heartbeat           heartbeat            = 1;
>         Acknowledge         acknowledge          = 2;
>         DataUpdateRequest   dataupdateRequest    = 3;
>     }
> }
>
> message Heartbeat {
> }
>
> message Acknowledge {
>     uint64 counter          = 1; //counter from originating message
>     AcknowledgeKind kind    = 2;
> }
>
> message DataUpdateRequest {
> }
>
> enum AcknowledgeKind {
>     ACKNOWLEDGE_OK = 0; //the originating messages has been accepted
>     ACKNOWLEDGE_ERROR = 1; //processing error during processing of message
>     ACKNOWLEDGE_ERROR_NOT_IMPLEMENTED = 2; //the processing of the 
> originating messages is not implemented
>     ACKNOWLEDGE_ERROR_NOT_FOUND = 3;  //the processing of the originating 
> message could not be performed, the referenced object was not found
> }
>
>
>
> #include <iostream>
> using namespace std;
>
> #include "src/main/cpp/proto_api/common/data.pb.h"
> int main(int argc, char **argv) {
>     // Simple example of destructor failure
>     while(true){
>         common::Data data;
>         common::Heartbeat heartbeat;
>         data.set_allocated_heartbeat(&heartbeat);
>         cerr << "Created data and heartbeat" << endl;
>         try {
>             data.clear_heartbeat();
>         } catch (const std::exception& e)
>         {
>             cerr << " Exception " << e.what() << endl;
>         }
>
>     }
>     return 0;
> }
>
>
>
>
>

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