【问题标题】:IoTP boilerplate application not working after Diego migrationDiego 迁移后 IoTP 样板应用程序无法正常工作
【发布时间】:2017-01-19 15:21:42
【问题描述】:

将我的 Watson IoTP 样板应用程序迁移到 Diego 后,它不再启动。我在日志中看到了这一点:

[APP/0]      OUT Welcome to Node-RED
[APP/0]      OUT ===================
[APP/0]      OUT 18 Jan 15:43:16 - [info] Node-RED version: v0.15.3
[APP/0]      OUT 18 Jan 15:43:16 - [info] Node.js  version: v4.6.2
[APP/0]      OUT 18 Jan 15:43:16 - [info] Linux 4.4.0-45-generic x64 LE
[APP/0]      OUT 18 Jan 15:43:16 - [info] Loading palette nodes
[APP/0]      OUT 18 Jan 15:43:18 - [warn] [ibm hdfs in] Deprecated call to RED.runtime.nodes.registerType - node-set name must be provided as first argument
[APP/0]      OUT 18 Jan 15:43:18 - [warn] [ibm hdfs] Deprecated call to RED.runtime.nodes.registerType - node-set name must be provided as first argument
[APP/0]      OUT 18 Jan 15:43:18 - [warn] [ibmpush] Deprecated call to RED.runtime.nodes.registerType - node-set name must be provided as first argument
[APP/0]      OUT 18 Jan 15:43:20 - [info] Settings file  : /home/vcap/app/bluemix-settings.js
[APP/0]      OUT 18 Jan 15:43:20 - [info] Server now running at http://127.0.0.1:`**1880**`/red/
[APP/0]      OUT 18 Jan 15:43:20 - [info] Starting flows
[APP/0]      OUT 18 Jan 15:43:20 - [info] Started flows
[CELL/0]     ERR Timed out after 1m0s: health check never passed.
[CELL/0]     OUT Exit status 0
[CELL/0]     OUT Destroying container
[API/8]      OUT App instance exited with guid ca3f2bbd-ac6e-42ec-8a61-1ff704274c3e payload: {"instance"=>"", "index"=>0, "reason"=>"CRASHED", "exit_description"=>"2 error(s) occurred:\n\n* 1 error(s) occurred:\n\n* Exited with status 4\n* 2 error(s) occurred:\n\n* cancelled\n* process did not exit", "crash_count"=>2, "crash_timestamp"=>1484754267594231230, "version"=>"0361fa77-694c-4e8f-991e-0c52dd0c4c87"}

我该如何解决这个问题?

【问题讨论】:

    标签: ibm-cloud node-red watson-iot diego


    【解决方案1】:

    问题在于应用程序找到要绑定的端口的方式随着 Diego 的变化而改变。默认情况下不再填充 VCAP_APP_PORT 环境变量。要修复它,您需要为您的应用程序创建一个 git 存储库(概览选项卡 -> 持续交付 -> 添加 GIT)。使用 jazzhub 编辑 bluemix-settings.js 文件进行更改

    uiPort:process.env.VCAP_APP_PORT

    uiPort: process.env.PORT

    部署这些更改,应用程序应该会启动。

    【讨论】:

      【解决方案2】:

      我在使用 npm express 应用时遇到了类似的问题,并在无需编辑 bluemix-settings.js 文件的情况下修复了它。

      简单删除对 process.env.VCAP_APP_HOST 的所有引用(不再是 Diego 中的引用)并将 process.env.VCAP_APP_PORT 更改为 process.env.PORT。

      例如,

      var host = 'localhost';
      var port = (process.env.PORT || 1337); 
      app.listen(port, host); 
      console.log('App started on port ' + port);
      

      您可以通过键入以下内容来检查您的应用是否正在运行 Diego:

      cf has-diego-enabled APPNAME
      

      安装 diego cli 工具后

      cf install-plugin Diego-Enabler -r CF-Community
      

      我还禁用了健康检查:

      cf set-health-check APPNAME none
      

      【讨论】:

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