How to send DELETE with JSON to the REST API using HttpClient

Although it might be late to answer this question but I’ve faced a similar problem and the following code worked for me. HttpRequestMessage request = new HttpRequestMessage { Content = new StringContent(“[YOUR JSON GOES HERE]”, Encoding.UTF8, “application/json”), Method = HttpMethod.Delete, RequestUri = new Uri(“[YOUR URL GOES HERE]”) }; await httpClient.SendAsync(request); UPDATE on .NET 5 .NET … Read more

Modify request headers per request C# HttpClient PCL

Yes, you can create a new HttpRequestMessage, set all the properties you need to, and then pass it to SendAsync. var request = new HttpRequestMessage() { RequestUri = new Uri(“http://example.org”), Method = HttpMethod.Post, Content = new StringContent(“Here is my content”) } request.Headers.Accept.Add(…); // Set whatever headers you need to var response = await client.SendAsync(request);

Handling HttpClient Redirects

For HttpClient 4.3: HttpClient instance = HttpClientBuilder.create() .setRedirectStrategy(new LaxRedirectStrategy()).build(); For HttpClient 4.2: DefaultHttpClient client = new DefaultHttpClient(); client.setRedirectStrategy(new LaxRedirectStrategy()); For HttpClient < 4.2: DefaultHttpClient client = new DefaultHttpClient(); client.setRedirectStrategy(new DefaultRedirectStrategy() { /** Redirectable methods. */ private String[] REDIRECT_METHODS = new String[] { HttpGet.METHOD_NAME, HttpPost.METHOD_NAME, HttpHead.METHOD_NAME }; @Override protected boolean isRedirectable(String method) { for (String m … Read more

Singleton httpclient vs creating new httpclient request

Update: It seems that using a single static instance of HttpClient doesn’t respect DNS changes, so the solution is to use HttpClientFactory. See here for Microsoft docs about it. To use the HttpClientFactory you have to use Microsoft’s dependency injection. This is the default for ASP.NET Core projects, but for others you will have to … Read more

httpclient exception “org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection”

I had the same problem and I found the fix. This timeout is because of a connection leak. In my case, I’m using httpDelete method and not consuming the response. Instead, I’m checking the status of the response. The fix is, the response entity needs to be consumed. In order to ensure the proper release … Read more

The type List is not generic; it cannot be parameterized with arguments [HTTPClient]

Your import has a subtle error: import java.awt.List; It should be: import java.util.List; The problem is that both awt and Java’s util package provide a class called List. The former is a display element, the latter is a generic type used with collections. Furthermore, java.util.ArrayList extends java.util.List, not java.awt.List so if it wasn’t for the … Read more

Error: No provider for HttpHandler in angular2

HttpClient is introduced in angular 4.3,so if you want to use HttpClient you need to import HttpClientModule from ‘@angular/common/http’. Make sure to import HttpClientModule after BrowserModule as shown below. This official doc and so answer will give you indepth information. import { HttpClientModule } from ‘@angular/common/http’; @NgModule({ imports: [ BrowserModule, HttpClientModule ], …

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)