Android Question Error in ExecuteQuery function from DBRequestManager

[Bernard Harris]

Hello, I am updating an app I created in 2018. The app does SQL queries to a remote server and once I upgraded B4A I also had to copy the HTTP.jar/.xml and HttpUtils2.jar/xml into the Libraries folder because they weren't there with the new version of B4A. I'm now getting a strange error when performing the ExecuteQuery function in DBRequestManager.

It's at this statement in ExecuteQuery where it gets the error:
j.PostBytes(link & "?method=query", ms.ToBytesArray)

And the error I get is:
java.lang.NoClassDefFoundError: Failed resolution of: Lorg/apache/http/client/methods/HttpPost;

Do I need to upgrade the code or use some newer methods to make this work? Just looking for help on understanding what might have changed with the newer version of B4A.

Sorry but it's been a while since the app was written and it's been working fine but we need to upgrade.

 

[DonManfred]

HttpUtils2.jar/xml

REMOVE THEM! They are deprecated SINCE YEARS now!
Use okhttputils2 and okhttp (they are already in the internal library folder....

 

[Bernard Harris]

Okay, I replaced that file with the OKHttpUtils2 and it went further but I'm now getting a strange error and I think it's from the remote server.

The error is:
ResponseError. Reason: java.net.UnknownServiceException: CLEARTEXT communication to 71.13.118.169 not permitted by network security policy, Response:
Error: java.net.UnknownServiceException: CLEARTEXT communication to 71.13.118.169 not permitted by network security policy

I am not running CLEARTEXT anywhere so now wondering what would cause this error. Thanks!

 

[DonManfred]

CLEARTEXT communication to 71.13.118.169 not permitted by network security policy, Response

Solution: Use HTTPS-URLs

android.jar / targetSdkVersion / minSdkVersion

There are several versioned components that affect the compilation process and the runtime behavior of our apps. The purpose of this tutorial is to explain the differences between them and help you choose which version to use. Each Android version is mapped to an api level. You can see this...

www.b4x.com

Alternative
Add

CreateResourceFromFile(Macro, Core.NetworkClearText)

to your Manifest.

 

[Bernard Harris]

Thanks! I just read about that in the forum and added it. But now I get a different error.

ResponseError. Reason: java.lang.NullPointerException: Parameter specified as non-null is null: method kotlin.jvm.internal.Intrinsics.checkNotNullParameter, parameter source, Response:
Error: java.lang.NullPointerException: Parameter specified as non-null is null: method kotlin.jvm.internal.Intrinsics.checkNotNullParameter, parameter source
HandleJob: 1

 

[Erel]

It is better to start a new thread for a new error. And provide more information including some code.

 

[Bernard Harris]

Thanks Erel. I will create a new thread once I'm ready.