Programmer Group

1.HttpClient All calls between services in spring cloud use HttpClient. In addition, HttpClient is encapsulated in SolrJ. When calling the saveBean method of SolrTemplate, HttpClient technology is called. At present, the exposed interface of most projects is Http request, and the data format is JSON format, but webService is still used in som ...

Experimental principle The reason why PPP protocol has become a more extensive protocol in Wan is that it provides CHAP,PAP and other verification protocols to better ensure the security of the network PAP is two handshake authentication. The user name and secret are repeatedly sent to the authenticator on the link until the authentication pas ...

In my previous article HTTP request in Blazor Server application, I introduced the related technologies of HTTP request in Blazor Server application. In Blazor Server App, you can access all. NET class libraries and components. However, if you create a Blazor WebAssembly application, your code will run in the browser sandbox of the client, an ...

//If the current cache does not meet the requirements, close it if (cacheCandidate != null && cacheResponse == null) { closeQuietly(cacheCandidate.body()); // The cache candidate wasn't applicable. Close it. } // If the network cannot be used and there is no qualified cache, a 504 error will be thrown directly if (networkReques ...

8. Hystrix: service is broken Problems with Distributed Systems Applications in a complex distributed architecture have dozens of dependencies, each of which will inevitably fail at some point! 8.1 Service Avalanches When invoking between multiple micro-services, assume that micro-service A invokes micro-service B and micro-service C, ...