引起：java.net.UnknownHostException：

Question

我正在尝试部署一个 Web 应用程序，该应用程序会在我的本地主机上访问 Web 服务。我在一个 dockerized 的属性文件中有端点 url，并且正在使用 host.docker.internal 属性。

例如，我正在尝试访问此服务 http://host.docker.internal:9002/custome/service。我希望这就像http://localhost:9002/custome/service。

但是，我在日志中收到此错误

2018-08-01 12:53:15,829 ERROR student.ws.WebServiceClientImpl::callRawService(120)  - Error calling the service: I/O error: host.docker.internal; nested exception is java.net.UnknownHostException: host.docker.internal

org.springframework.ws.client.WebServiceIOException: I/O error: host.docker.internal; nested exception is java.net.UnknownHostException: host.docker.internal

    at org.springframework.ws.client.core.WebServiceTemplate.sendAndReceive(WebServiceTemplate.java:561)

    at org.springframework.ws.client.core.WebServiceTemplate.doSendAndReceive(WebServiceTemplate.java:506)

    at org.springframework.ws.client.core.WebServiceTemplate.sendSourceAndReceiveToResult(WebServiceTemplate.java:446)

    at org.springframework.ws.client.core.WebServiceTemplate.sendSourceAndReceiveToResult(WebServiceTemplate.java:436)

    at org.springframework.ws.client.core.WebServiceTemplate.sendSourceAndReceiveToResult(WebServiceTemplate.java:424)

    at edu.vanderbilt.mis.student.ws.WebServiceClientImpl.callRawService(WebServiceClientImpl.java:115)

    at edu.vanderbilt.mis.student.ws.WebServiceClientImpl.doCallService(WebServiceClientImpl.java:93)

    at edu.vanderbilt.mis.student.ws.WebServiceClientImpl.doCallServiceAndUnmarshall(WebServiceClientImpl.java:102)

    at edu.vanderbilt.mis.student.ws.WebServiceClientImpl.callServiceAndUnmarshal(WebServiceClientImpl.java:78)

    at edu.vanderbilt.mis.more.dao.WsTermDao.getScheduledTerms(WsTermDao.java:20)