Troubleshooting Android Dependency Resolution Issues

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Question:

Task :app:androidDependencies debug

Task :app:androidDependencies FAILED

Execution failed for task ':app:androidDependencies'.

Could not resolve all artifacts for configuration ':app:debugCompileClasspath'. Could not resolve io.github.easybangumiorg:extension-api:1.11-SNAPSHOT. Required by: project :app > Could not resolve io.github.easybangumiorg:extension-api:1.11-SNAPSHOT. > Unable to load Maven meta-data from https://s01.oss.sonatype.org/content/repositories/snapshots/io/github/easybangumiorg/extension-api/1.11-SNAPSHOT/maven-metadata.xml. > org.xml.sax.SAXNotRecognizedException: Property 'http://javax.xml.XMLConstants/property/accessExternalSchema' is not recognized. > Could not resolve io.github.easybangumiorg:extension-api:1.11-SNAPSHOT. > Unable to load Maven meta-data from https://jitpack.io/io/github/easybangumiorg/extension-api/1.11-SNAPSHOT/maven-metadata.xml. > Could not GET 'https://jitpack.

Answer:

The error message you're encountering indicates that your Android project is having trouble resolving a dependency (io.github.easybangumiorg:extension-api:1.11-SNAPSHOT). This can happen for several reasons, and here are some steps you can take to troubleshoot and resolve the issue:

  1. Check Dependency Version: Ensure that the version 1.11-SNAPSHOT of the dependency is available in the specified repositories. Snapshots can sometimes be unstable or not published correctly.

  2. Repository Availability: Verify that the repositories you are using (in this case, Sonatype and JitPack) are accessible. You can do this by visiting the URLs in a web browser to see if they are reachable.

  3. Update Gradle: Make sure you are using the latest version of Gradle and the Android Gradle Plugin. Sometimes, updating these can resolve dependency resolution issues.

  4. Clear Gradle Cache: Sometimes, the Gradle cache can become corrupted. You can clear the cache by running:

    ./gradlew cleanBuildCache

  5. Check Proxy Settings: If you are behind a corporate firewall or using a proxy, ensure that your proxy settings are correctly configured in your gradle.properties file.

  6. Add Additional Repositories: If the dependency is not found in the specified repositories, you might want to add additional repositories in your build.gradle file:

    repositories {
    google()
    mavenCentral()
    maven { url 'https://jitpack.io' }
    maven { url 'https://s01.oss.sonatype.org/content/repositories/snapshots/' }
}

  7. Check for Typos: Ensure that there are no typos in the dependency declaration in your build.gradle file.

  8. Use a Stable Version: If possible, try to use a stable version of the dependency instead of a snapshot. Snapshots can be unreliable.

  9. Check for XML Parsing Issues: The error mentions an org.xml.sax.SAXNotRecognizedException. This could be related to the XML parser being used. Ensure that your Java version is compatible with the libraries you are using.

  10. Consult Documentation: Check the documentation for the extension-api library for any specific instructions regarding dependency resolution.

If you've tried all of the above and are still facing issues, consider reaching out to the maintainers of the extension-api library for further assistance.