How to build the manager?

[powellnorma]

When building the manager via ./gradlew aDebug --info, I get this error:

> Configure project :
Evaluating root project 'KernelSU' using build file '/home/user/code/cpp_c/KernelSU/manager/build.gradle.kts'.
Downloading https://repo.maven.apache.org/maven2/com/google/api/grpc/proto-google-common-protos/2.17.0/proto-google-common-protos-2.17.0.pom to /home/user/.gradle/.tmp/gradle_download8813959123376932620bin
[Fatal Error] proto-google-common-protos-2.17.0.pom:1:44: Content is not allowed in prolog.
Resource missing. [HTTP HEAD: https://dl.google.com/dl/android/maven2/com/google/api/grpc/proto-google-common-protos/2.17.0/proto-google-common-protos-2.17.0.pom]

FAILURE: Build failed with an exception.

* What went wrong:
A problem occurred configuring root project 'KernelSU'.
> Could not resolve all artifacts for configuration ':classpath'.
   > Could not resolve com.google.api.grpc:proto-google-common-protos:2.17.0.
     Required by:
         project : > com.android.application:com.android.application.gradle.plugin:8.3.2 > com.android.tools.build:gradle:8.3.2 > io.grpc:grpc-protobuf:1.57.0
      > Could not resolve com.google.api.grpc:proto-google-common-protos:2.17.0.
         > Could not parse POM https://repo.maven.apache.org/maven2/com/google/api/grpc/proto-google-common-protos/2.17.0/proto-google-common-protos-2.17.0.pom
            > Content is not allowed in prolog.

[powellnorma]

After:

rm -rf $HOME/.gradle/caches/
rm -rf $HOME/.m2/

I get:

* What went wrong:
A problem occurred configuring root project 'KernelSU'.
> java.util.zip.ZipException: zip END header not found

[powellnorma]

The proxy I used caused problems while downloading the dependencies. After disabling the proxy, and updating openjdk to 21 + passing -Dorg.gradle.jvmargs=-Xmx4096M to gradle, it worked