Getting Nosuchfielderror Instance Org/Apache/Http/Message/Basicheadervalueparser

Getting NoSuchFieldError INSTANCE org/apache/http/message/BasicHeaderValueParser

Unfortunately stock versions of HttpCore cannot be used in Android. Please use Apache HttpClient Android Port which also includes requisite HttpCore classes

compile('org.apache.httpcomponents:httpmime:4.3.6') {
    exclude module: 'httpclient'
}
compile 'org.apache.httpcomponents:httpclient-android:4.3.5'

NoSuchFieldError INSTANCE at org.apache.http.impl.io.DefaultHttpRequestWriterFactory

org.apache.httpcomponents:httpcore:4.1 -> 4.3.3 means 4.1 is the requested version, which is resolved to 4.3.3 by conflict resolution. Executing something like gradle -q dependencyInsight --configuration compile --dependency httpcore should give you more insight on this.

You should check the build output, and see what jars are actually packaged with your app. Also, using some file manager run a search for BasicLineFormatter.class through the build output (including archives, of course), this should give you a definite answer what jars contain what version of this class.

If there is only one version (4.3.3) this must mean that the other version comes from the container that's running your app. Ways of resolving this depend on the container.

If you do find multiple versions, you can try excluding transitive dependency to httpcore globally in the project (chapter 51.4.7 of user guide).

If you define an exclude for a particular configuration, the excluded transitive dependency will be filtered for all dependencies when resolving this configuration or any inheriting configuration.

unable to resolve Apache HTTP library to send Request and Receive Response

Unfortunately stock versions of HttpCore cannot be used in Android. Please use Apache HttpClient Android Port which also includes requisite HttpCore classes

compile('org.apache.httpcomponents:httpmime:4.3.6') {
    exclude module: 'httpclient'
}
compile 'org.apache.httpcomponents:httpclient-android:4.3.5'

MultipartEntityBuilder to send pictures to rail server

Try using httpmime version 4.3.6

I tried using 4.4+ but always the same problem.

Getting Failed resolution of: Lorg/apache/http/impl/nio/reactor/DefaultConnectingIOReactor When trying to implement a Unirest API from RapidAPI

I believe you missed one of those Apache dependencies (httpasyncclient in your case I suppose).

There are actually three of them as mentioned by the documentation:

  <groupId>org.apache.httpcomponents</groupId>
  <artifactId>httpclient</artifactId>

  <groupId>org.apache.httpcomponents</groupId>
  <artifactId>httpasyncclient</artifactId>

  <groupId>org.apache.httpcomponents</groupId>
  <artifactId>httpmime</artifactId>

So, go to this link download-add the jar file manually inside your project:

http://hc.apache.org/downloads.cgi

And look for: HttpAsyncClient.

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Use this to add jar file-library inside your project: How to add a jar in External Libraries in android studio

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