问题标签 [pcf]

帮助：当 Rails 应用程序部署在 Pivotal Cloud Foundry 中时，如何将 PDF 文件从 S3 传输到本地桌面文件目录？使用 ruby​​ 和 aws-sdk 将 PDF 文件从 S3 下载到本地客户端计算机目录。

上面的红宝石代码有效。该文件出现在 Mac 上的下载目录中。问题：将 rails 应用程序部署到 Pivotal Clown Foundry 会破坏 PDF 文件的放置及其存储位置。似乎 get_object 将 PDF 返回到“/home/vcap/app”目录中的 Cloud Foundry 容器，而不是被下拉到用户的远程计算机文件目录。但这对打开文件的人来说是不可用的。

我正在寻找一种脚本来获取输出，告诉我我在 PCF 中运行（未停止）多少个实例。我知道有一种方法可以通过大厅管道显示有多少实例，但我想知道其中有多少实际正在运行。任何帮助都会很棒！谢谢。

我正在使用 MQ Java PCF API 从 MQ 安装中检索信息。该类有几个构造函数PCFMessageAgent。有一个接受host,port和channel名称。我已经展示了文档的摘录。

我的问题是这将连接到哪个队列管理器？
它是默认队列管理器吗？
如何指定要连接的队列管理器？

我正在使用 MQ Java PCF API 从 MQ 安装中检索信息。PCFMessageAgent 类有几个构造函数。有一个接受主机、端口和通道名称。我已经展示了文档的摘录。

public PCFMessageAgent(String host, int port, String channel) throws MQException 使用与队列管理器的客户端连接初始化新的 PCFMessageAgent。
我的代码是

但我收到 MQRC_NOT_AUTHORIZED 错误

为什么我会收到此错误？我该如何解决。

我在错误日志中发现了这一点。任何帮助都感激不尽。

我尝试推送的 Web 应用程序使用 https URL 启用。当我像下面这样将图像推送到 pcf 时，我可以看到日志正在运行，但无法浏览，因为它给了我 502 Bad Gateway。我的 docker 镜像可以成功部署在我的本地仓库中。注册的端点未能处理请求，即使推送显示为成功且 Web 应用程序显示为运行状态。

我在https://tomcat.local.pcfdev.io/上推送了它正在运行的 tomcat Web 应用程序，没有问题。

我该如何解决这个问题？这可能是由于 https 网址或任何其他原因造成的吗？PCF版本：pcfdev-v0.26.0+PCF1.10.0-linux.zip

我能够在 PCF 上部署一个 .net 核心控制台应用程序，它会引发一些内部事件并运行一段时间（在 Thread.Delay() 的帮助下）并退出。我希望能够使用 Windows 机器上的批处理文件远程启动和停止此应用程序。

当我将此应用程序推送到 PCF 时，我已在推送命令中明确放置--no-start标志。该应用程序已部署但无法启动，我可以使用cf start命令远程启动它。一旦它成功退出，PCF 会尝试重新启动它，认为它已经崩溃，所以为了重新启动，我首先需要cf stop然后使用 start 命令。

我需要帮助来理解 - 如果还有其他更好的方法可以做到这一点。最初我们计划在 PCF 上使用 Tasks；但据我了解，任务是在其他应用程序上运行的命令（如果我错了，请纠正我）

任何想法都会有所帮助。提前致谢。

我将在 BOSH 中部署我的应用程序并将其与 n 个节点进行集群。例如，2 所以在我的应用程序中，当我在 manifest.yml 中部署应用程序时，我在下面定义。所以它从 10.244.15.21 开始，下一个节点从 10.244.15.22 开始，在我的 manifest.yml 中给出实例：2

因此，在我的每个应用程序中，我都需要在 XML 文件中访问其他节点的 IP。我如何在 xml 文件中动态执行此操作。请指教。谢谢

例如，

是否可以解释以下内容以及为什么 PCF 不支持它？

管理流程

将管理/管理任务作为一次性流程运行。PCF 目前不支持此功能，因此需要更仔细地检查需要此功能的应用程序和应用程序套件，以便重新调整平台的适用性。

我们使用 spring boot (1.5) 和集成连接到 Rabbit MQ 作为 PCF 上的服务

属性集 - concurrency = 15 - maxConcurrency = 25 - 默认预取和 txSize。

如何处理消息。

1. 队列在不到 1 秒的时间内收到了 26 条消息。
2. 15 个消费者在下一分钟开始并完成。
3. 每个消费者花费的平均时间约为 30 秒。
4. 很少有消费者花费不到 15 秒。
5. 随着每个消费者的确认，来自就绪的新消息（第 16 条、第 17 条消息）在兔子 MQ 上变得未确认。

正如预期的那样，因为我假设新消息正在被处理，因为旧消息被确认。但是随着新消息在 rabbitMQ 上未被确认，它们不会被任何消费者处理。消费者陷入困境和闲置。

1. 这种情况继续下去，所有就绪状态消息都不会被确认，并且不会进行任何活动。
2. 他们都在大约 15 分钟后恢复。

我总是看到这种行为。

有什么指导吗？

这是执行rabbit MQ接线的代码中间的MessageHandler具有连接到大数据并进行一些查询的代码。

线程转储：

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{"threadName":"container-13","threadId":39,"blockedTime":-1,"blockedCount":34,"waitedTime":-1,"waitedCount":66160,"lockName":null," lockOwnerId":-1,"lockOwnerName":null,"inNative":true,"suspended":false,"threadState":"RUNNABLE","stackTrace":[{"methodName":"socketRead0","fileName": "SocketInputStream.java","lineNumber":-2,"className":"java.net.SocketInputStream","nativeMethod":true},{"methodName":"socketRead","fileName":"SocketInputStream.java" ,"lineNumber":116,"className":"java.net.SocketInputStream","nativeMethod":false},{"methodName":"read","fileName":"SocketInputStream.java","lineNumber":171,"className":"java.net.SocketInputStream","nativeMethod":false},{"methodName":"read","fileName ":"SocketInputStream.java","lineNumber":141,"className":"java.net.SocketInputStream","nativeMethod":false},{"methodName":"readMore","fileName":"VisibleBufferedInputStream.java 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,"lockedMonitors":[{"className":"org.postgresql.core.v3.QueryExecutorImpl","identityHashCode":1428002949,"lockedStackDepth":9,"lockedStackFrame":{"methodName":"execute","fileName ":"QueryExecutorImpl.java","lineNumber":288,"className":"org.postgresql.core.v3.QueryExecutorImpl","nativeMethod":false}}],"lockedSynchronizers":[{"className":" java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync","identityHashCode":1110565932}],"lockInfo":无效的}

我是 PCF 的新手，我正在开发基于 documentum 的应用程序，这意味着我的 spring 应用程序使用 documentum API，在本地我的微服务工作正常，但是当我在 PCFDEV 中推送我的应用程序时，它会抛出类似于外部 API 的 classNotFoundException 的错误，我假设我必须为我的外部 API 创建 buildpack 并在推送应用程序时使用它。

有人可以帮我在这里清除我的查询吗？