我最近尝试在 Cloud Foundry 上部署 Grails 项目，执行“grails cf-push”时出现以下错误
Environment set to production.....
Error Error executing script_ CfPush: org.springframework.web.client.ResourceAccessException: I/O error on POST request for "http://api.cloudfoundry.com/users/username@gmail.com/tokens":api.cloudfoundry.com; nested exception is java.net.UnknownHostException: api.cloudfoundry.com (Use --stacktrace to see the full trace)
对于“grails cf-push --stacktrace”：
Error Error executing script_ CfPush: org.springframework.web.client.ResourceAccessException: I/O error: api.cloudfoundry.com; nested exception is java.net.UnknownHostException: api.cloudfoundry.com (NOTE: Stack trace has been filtered. Use --verbose to see entire trace.)
org.springframework.web.client.ResourceAccessException: I/O error: api.cloudfoundry.com; nested exception is java.net.UnknownHostException: api.cloudfoundry.com
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:461)
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:409)
at org.springframework.web.client.RestTemplate.postForObject(RestTemplate.java:287)
at org.cloudfoundry.client.lib.CloudFoundryClient.login(CloudFoundryClient.java:210)
at ClientWrapper.methodMissing(_CfCommon_groovy:536)
at _CfCommon_groovy$_run_closure5.doCall(_CfCommon_groovy:110)
at _CfCommon_groovy$_run_closure5.call(_CfCommon_groovy)
at org.codehaus.gant.GantMetaClass.invokeMethod(GantMetaClass.java:133)
at CfPush$_run_closure1.doCall(CfPush:40)
at org.codehaus.gant.GantMetaClass.invokeMethod(GantMetaClass.java:133)
at org.codehaus.gant.GantMetaClass.invokeMethod(GantMetaClass.java:133)
at org.codehaus.gant.GantBinding$_initializeGantBinding_closure5_closure16_closure18.doCall(GantBinding.groovy:185)
at org.codehaus.gant.GantBinding$_initializeGantBinding_closure5_closure16_closure18.doCall(GantBinding.groovy)
at java_util_concurrent_Callable$call.call(Unknown Source)
at org.codehaus.gant.GantBinding.withTargetEvent(GantBinding.groovy:90)
at org.codehaus.gant.GantBinding.this$4$withTargetEvent(GantBinding.groovy)
at org.codehaus.gant.GantBinding$_initializeGantBinding_closure5_closure16.doCall(GantBinding.groovy:185)
at org.codehaus.gant.GantBinding$_initializeGantBinding_closure5_closure16.doCall(GantBinding.groovy)
at java_util_concurrent_Callable$call.call(Unknown Source)
at gant.Gant$_dispatch_closure5.doCall(Gant.groovy:381)
at gant.Gant$_dispatch_closure7.doCall(Gant.groovy:415)
at gant.Gant$_dispatch_closure7.doCall(Gant.groovy)
at java_util_concurrent_Callable$call.call(Unknown Source)
at gant.Gant.withBuildListeners(Gant.groovy:427)
at gant.Gant.this$2$withBuildListeners(Gant.groovy)
at gant.Gant$this$2$withBuildListeners.callCurrent(Unknown Source)
at gant.Gant.dispatch(Gant.groovy:415)
at gant.Gant.this$2$dispatch(Gant.groovy)
at gant.Gant.invokeMethod(Gant.groovy)
at gant.Gant.executeTargets(Gant.groovy:591)
at gant.Gant.executeTargets(Gant.groovy:590)
Caused by: java.net.UnknownHostException: api.cloudfoundry.com
at grails.plugin.cloudfoundry.GrailsHttpRequestFactory$1.intercept(GrailsHttpRequestFactory.java:91)
at $java.net.HttpURLConnection$$EnhancerByCGLIB$$7c6bfa30.connect(<generated>)
at grails.plugin.cloudfoundry.GrailsHttpRequest.executeInternal(GrailsHttpRequest.java:75)
at grails.plugin.cloudfoundry.GrailsHttpRequest.executeInternal(GrailsHttpRequest.java:89)
at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:49)
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:446)
... 30 more
几个月前一切正常，但我不得不停止该项目的工作一段时间。当我回到它时，我意识到不再可能以我一直做的方式部署它。
我假设我需要升级我的 cloud-foundry 插件，所以在一天的工作中我升级了整个 groovy/grails 环境：
groovy 2.0.5 到 2.1.9 grails 2.1.2 到 2.3.1
连同使用这些说明的项目本身：http: //grails.org/doc/2.3.0.M1/guide/upgradingFromPreviousVersionsOfGrails.html
依赖关系很顺利地解决了（以及最新的 cloud-foundry 1.2.3 插件）。但是部署仍然失败并出现同样的错误。
“vmc info”告诉我“api.cloudfoundry.com”不存在。我出主意了。地址改了吗？是否有任何按章办事的方法来解决它，还是这里发生了其他事情？