尝试在Ubuntu16.04下运行asp .netcore应用程序时发生核心转储错误

Question

我正在尝试将我的asp .net核心应用程序作为一个服务在ubuntu16.04下运行。我已经按照this文档创建了服务配置

[Unit]
Description=TNW Main Service

[Service]
WorkingDirectory=/home/tnw
ExecStart=/usr/bin/dotnet /home/tnw/Tnw.MealsApi.dll
Restart=always
RestartSec=10
SyslogIdentifier=tnw
User=www-data
Environment=ASPNETCORE_ENVIRONMENT=Production

[Install]
WantedBy=multi-user.target

我启用了我的服务：

sudo systemctl enable tnw.service

最后，我试着运行它，但是我得到了异常：

● tnw.service - TNW Main Service Loaded: loaded (/etc/systemd/system/tnw.service; enabled; vendor preset: enabled)
Active: activating (auto-restart) (Result: core-dump) since Tue 2019-09-10 12:57:20 CEST; 118ms ago
Process: 15160 ExecStart=/usr/bin/dotnet /home/tnw/Tnw.MealsApi.dll (code=dumped, signal=ABRT)
Main PID: 15160 (code=dumped, signal=ABRT)

Sep 10 12:57:20 server767126 systemd[1]: tnw.service: Unit entered failed state.
Sep 10 12:57:20 server767126 systemd[1]: tnw.service: Failed with result 'core-dump'.

当我手动运行此应用程序时，它工作得很好。

sudo dotnet Tnw.MealsApi.dll

//编辑我在以下日志中发现的异常：

 System.Net.Sockets.SocketException (13): Permission denied

Answer 1

按照这个方法，使用Downloads文件夹来保存您的dll。下面是.service文件的配置

[Unit]
Description=MyService in .NET
# Requires=xyz.service
# After=xyz.service

[Service]
Type=simple
ExecStart=/usr/bin/dotnet  /home/linux/Downloads/MyService.dll

[Install]
WantedBy=multi-user.target

此路径/home/linux/Downloads/MyService.dll可以在您的情况下有所不同。

然后运行

sudo systemctl daemon-reload