英文:
404 error - when running deployed Java back in Google cloud platform vm
问题
我有一个Java Spring Framework后端，其中还包含REST API。
我已经成功将应用部署在Google Cloud平台的vm实例中，在将Eclipse与Google Cloud平台连接后。我的问题是，当我尝试运行以下网址时：
https://industrial-net-242708.appspot.com/...
我收到404错误：未找到。当我运行以下网址时：https://35.228.187.51:80，我收到：
"此网站无法访问 35.228.187.51拒绝连接。"
我还在防火墙规则中为vm实例创建了端口。但我无法理解出了什么问题。
我在ssh终端中执行了命令 netstat -l，发现了这个：
活动的互联网连接（仅服务器） 协议 接收队列 发送队列 本地地址 外部地址 状态
tcp 0 0 0.0.0.0:ssh 0.0.0.0:* LISTEN
tcp6 0 0 [::]:ssh [::]:* LISTEN
udp 0 0 0.0.0.0:boo
tpc 0.0.0.0:*
udp 0 0 instance-education-:ntp 0.0.0.0:*
udp 0 0 localhost:ntp 0.0.0.0:*
udp 0 0 0.0.0.0:ntp 0.0.0.0:*
udp6 0 0 fe80::4001:aff:fea6:ntp [::]:*
udp6 0 0 localhost:ntp [::]:*
udp6 0 0 [::]:ntp [::]:
这意味着vm实例不监听内部或外部IP地址。我该如何修复它？
我想知道在Google Cloud服务器Debian 9 / Linux上成功运行我的Java应用程序的确切步骤。我的计算机使用Windows 10作为操作系统。
英文:
I have a Java spring framework back end which also contains rest API.
I deployed successfully the app in vm instance Google cloud platform, after connecting Eclipse with Google cloud platform. My problem is that when I try to run:
https://industrial-net-242708.appspot.com/..., I get a 404 error: not found. When I run this one: https://35.228.187.51:80, I get:
>```
'''This site can't be reached
35.228.187.51 refused to connect.'''
I have also created ports in firewall rules fot the vm instance. But I cannot understand what is wrong.
I executed the command netstat -l in ssh terminal and I found out this:
Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 0.0.0.0:ssh 0.0.0.0:* LISTEN
tcp6 0 0 [::]:ssh [::]:* LISTEN
udp 0 0 0.0.0.0:boo
tpc 0.0.0.0:*
udp 0 0 instance-education-:ntp 0.0.0.0:*
udp 0 0 localhost:ntp 0.0.0.0:*
udp 0 0 0.0.0.0:ntp 0.0.0.0:*
udp6 0 0 fe80::4001:aff:fea6:ntp [::]:*
udp6 0 0 localhost:ntp [::]:*
udp6 0 0 [::]:ntp [::]:
This means that the vm instance does not listen to the internal or external IP address How can I fix it?
I want to know the exact steps I have to follow in order to make my Java application run successfully in a Google cloud server debian 9 / Linux. My computer has Windows 10 as an OS.
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