Q&A error: undefined reference to `vtable for XXXX' 错误

解决ThriftClientWrap编译错误
本文介绍了解决在Qt项目中遇到的ThriftClientWrap编译错误的方法。通过在项目配置文件中添加ThriftClientWrap.h头文件路径,成功解决了编译器无法找到ThriftClientWrap类定义的问题。

qzm碰到的ERR

/home/xhj/qzm/NetAudio_PC2/xhjIpBCST_front-end/qzmthrift/ThriftClientWrap.cpp:23: error: undefined reference to `vtable for ThriftClientWrap'

 

做、结果、分析

1)常规的做法是删除掉build-xxx,然后运行一次qmake,再build,就能解决这种moc问题,qDo,但问题仍旧.

2)在xx.pro中加入“ThriftClientWrap.h” ,问题解决. 

HEADERS += $$PWD/qzmthrift/ThriftClientWrap.h

3)问题分析

项目是用.pro控制build, 


由上面表格分析可知,Qt在预处理"ThriftClientWrap.cpp"时,找不到“ThriftClientWrap.h”,qzm把“ThriftClientWrap.h” 直接加入到xx.pro中,问题解决。

 

 

D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'D:\Qt\ZT_Modbus\ZTCommTable\ZtModbusOta.cpp:-1: error: undefined reference to `vtable for OTAThread'
03-22
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