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1. Top results related to what is event hub namespace server error

   • What is Consumer Group in azure Event Hub?

     Top Answer

     Answered Jan 27, 2019 · 17 votes

     From the docs:

     Consumer groups: A view (state, position, or offset) of an entire event hub. Consumer groups enable consuming applications to each have a separate view of the event stream. They read the stream independently at their own pace and with their own offsets.

     Diagram:

     According to this consumer groups are the way to logically separate your consumers, so they only see the events they are interested in.

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     1/5

   • what is event driven web server

     Top Answer

     Answered May 30, 2022 · 32 votes

     There's a nice analogy of this described here:

     http://daverecycles.tumblr.com/post/3104767110/explain-event-driven-web-servers-to-your-grandma

     Relevant text from the above link:

     Explain “Event-Driven” Web Servers to Your Grandma You’ve heard the term event-driven, event-based, or evented when it comes to web servers. Node.js is based on evented I/O. nginx is an asynchronous event-driven web server.

     But what does the term mean? Here’s an easy way to think about it.

     Let’s think of a web server as a pizza shop that needs to take orders over the phone (requests for web pages).

     Traditional Web Server

     The pizza shop hires operators (processes/threads) to take orders over the phone. Each operator has one phone line. After the operator is done taking the order, the operator keeps the customer on the line until the pizza (response web page) is done baking and then tells them it’s ready to pick up.

     So the pizza shop needs to hire as many operators as the number of pizzas that may be baked at once in order to serve all customers who call in.

     Event-Driven Web Server

     The pizza shop only hires one operator, but has trained the operator to hang up after taking the order, and call the customer back when the pizza is ready to be picked up.

     Now one operator can serve many customers.

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     2/5

   • What is exactly server.error.path property?

     Top Answer

     Answered Jul 18, 2018 · 5 votes

     server.error.path - used as part of url for error pages.

     site.getBaseUrl() + "/error"-

     For example some error happen on server side and you decide redirect user to error page like this:

     https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/images/custom-error-page-aws-404-example.png

     Code example of error controller you can find here:

     https://www.logicbig.com/tutorials/spring-framework/spring-boot/implementing-error-controller.html

     You can use this property in @RequestMapping("/error"). But instead of "/error" you can use "${server.error.path}"

     UPDATE:

     Also, Spring Boot BasicErrorController use server.error.path property

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     3/5

   • What is causing "The type or namespace name 'UI' does not exist in the namespace" error?

     Top Answer

     Answered Jan 10, 2016 · 6 votes

     The type or namespace name 'UI' does not exist in the namespace 'app name'

     That means you have a namespace in your app that contains Windows.

     Either change your namespace, or prefix the UWP one:

     global::Windows.UI.Xaml.Controls-

     See also How to: Use the Global Namespace Alias (C# Programming Guide).

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     4/5

   • What is the purpose of --url-base=/wd/hub when starting chromedriver server?

     Top Answer

     Answered Jan 17, 2018 · 13 votes

     The purpose of --url-base is to define the base entry point for all the received commands.

     The default entry point with chromedriver is /. For instance to get all the sessions the client would send:

     http://localhost:9515/sessions-

     But by default, the client (RemoteWebDriver) sends the commands to /wd/hub:

     http://localhost:9515/wd/hub/sessions-

     Thus you need to set this flag so that the client can communicate with chromedriver.

     Check all answers on Stack Overflow

     5/5

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2. learn.microsoft.com › en-us › azureTroubleshoot connectivity issues - Azure Event Hubs

   learn.microsoft.com › en-us › azure

   • Cached

   Feb 2, 2024 · When you create a virtual network service endpoint for an event hub namespace, the namespace accepts traffic only from the subnet that's bound to the service endpoint. There's an exception to this behavior. You can add specific IP addresses in the IP firewall to enable access to the event hub's public endpoint.

3. stackoverflow.com › questions › 59220251Azure Event Hub diagnostic set up for User Errors - Stack ...

   stackoverflow.com › questions › 59220251

   • Cached

   Namespace: Microsoft.Azure.EventHubs. Assembly: Microsoft.Azure.EventHubs.dll. UserError Identifies the exception as a user error and user needs to take an action to address the failure. But that is not very helpful either, as it does not even indicate whether user is the sender or receiver of message.

4. github.com › event-hubs › troubleshooting-guideazure-docs/articles/event-hubs/troubleshooting-guide.md at ...

   github.com › event-hubs › troubleshooting-guide

   • Cached

   Dec 15, 2022 · When you create a virtual network service endpoint for an event hub namespace, the namespace accepts traffic only from the subnet that's bound to the service endpoint. There's an exception to this behavior. You can add specific IP addresses in the IP firewall to enable access to the event hub's public endpoint.

5. techcommunity.microsoft.com › t5 › messaging-onHow exactly does Event Hubs Throttling Work? - Microsoft ...

   techcommunity.microsoft.com › t5 › messaging-on

   • Cached

   Mar 15, 2019 · An error code of 50002 means you are being throttled. You should log these so you can know when you need to increase your TUs. For a complete list of messaging exceptions that Service Bus may throw see: Appendix: Messaging Exceptions on MSDN. 1 Like. First published on on Jul 16, 2015 This is a good question and it comes up fairly often.

6. Videos

   • 

     19:02

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     Getting Started with Azure Event Hub: A Complete Introduction

     Feb 3, 2023

     5.8K Views

   • 

     10:00

     youtube.com

     Azure Event Hub Tutorial | Create an Event hub using Azure portal | K21Academy

     Aug 2, 2021

     22.7K Views

   • 

     32:33

     youtube.com

     Azure Event Hubs In detail with Hands-On

     Oct 11, 2021

     36.3K Views

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7. People also ask

   How do I troubleshoot network-related issues with Event Hubs?

   • To troubleshoot network-related issues with Event Hubs, follow these steps: Browse to or wget https:// .servicebus.windows.net/. It helps with checking whether you have IP filtering or virtual network or certificate chain issues (most common when using Java SDK). An example of successful message:

   Troubleshoot connectivity issues - Azure Event Hubs

   learn.microsoft.com/en-us/azure/event-hubs/troubleshooting-guide

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   Why can't I connect to Azure Event Hubs?

   • If the application isn't able to connect to the event hub at all, follow steps from this section to troubleshoot the issue. Check for the Azure Event Hubs service outage on the Azure service status site. Verify that the connection string you're using is correct.

   Troubleshoot connectivity issues - Azure Event Hubs

   learn.microsoft.com/en-us/azure/event-hubs/troubleshooting-guide

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   Why can't I connect to an event hub?

   • There are various reasons for client applications not able to connect to an event hub. The connectivity issues might be permanent or transient.

   Troubleshoot connectivity issues - Azure Event Hubs

   learn.microsoft.com/en-us/azure/event-hubs/troubleshooting-guide

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   How do I check if Azure Event Hubs Service is down?

   • Check for the Azure Event Hubs service outage on the Azure service status site. Verify that the connection string you're using is correct. See Get connection string to get the connection string using the Azure portal, CLI, or PowerShell. For Kafka clients, verify that producer.config or consumer.config files are configured properly.

   Troubleshoot connectivity issues - Azure Event Hubs

   learn.microsoft.com/en-us/azure/event-hubs/troubleshooting-guide

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