java.lang.NullPointerException: Cannot invoke "String.length()" because "<parameter1>" is null

Question

Today I was not able to compile my application. This is the error that I obtain if I try to Rebuild my project.

java.lang.NullPointerException: Cannot invoke "String.length()" because "<parameter1>" is null

Execution failed for task ':app:dexBuilderDebug'.
 Could not resolve all files for configuration ':app:detachedConfiguration18'.
    Failed to transform jetified-appcompat-resources-1.7.0-beta01-runtime.jar to match attributes {artifactType=ext-dex-dexBuilderDebug, org.gradle.libraryelements=jar, org.gradle.usage=java-runtime}.
       Execution failed for DexingExternalLibArtifactTransform: C:\Users\John Doe\.gradle\caches\transforms-3\a17cb0bdbb9802eb5b30084992aad901\transformed\jetified-appcompat-resources-1.7.0-beta01-runtime.jar.
          Error while dexing.
    Failed to transform appcompat-1.7.0-beta01-runtime.jar to match attributes {artifactType=ext-dex-dexBuilderDebug, org.gradle.libraryelements=jar, org.gradle.usage=java-runtime}.
       Execution failed for DexingExternalLibArtifactTransform: C:\Users\John Doe\.gradle\caches\transforms-3\cb6538e8f72401bf3ec35fdf09737324\transformed\appcompat-1.7.0-beta01-runtime.jar.
          Error while dexing.

Any ideas on what could be wrong?

Answer 1

I added following code in app build.gradle after reviewing error details. Details were as following

Could not resolve all files for configuration ':app:stagingDebugRuntimeClasspath'. > Failed to transform core-1.14.0-alpha01.aar (androidx.core:core:1.14.0-alpha01) to match attributes.

Possible Fix:

configurations.all {
        resolutionStrategy {
            force("androidx.core:core-ktx:1.9.0")
        }
    }

Answer 2

No. No. No.

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No need to build a garden - adding even more garbage to the project!

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