Wagon fails when compiled on Java 9+ and run on Java 8 due to JDK API breakage

[INFO] Running org.apache.maven.repository.internal.DefaultArtifactDescriptorReaderTest
[ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.802 s <<< FAILURE! - in org.apache.maven.repository.internal.DefaultArtifactDescriptorReaderTest
[ERROR] testMng5459(org.apache.maven.repository.internal.DefaultArtifactDescriptorReaderTest)  Time elapsed: 0.787 s  <<< ERROR!
java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;
        at org.apache.maven.repository.internal.DefaultArtifactDescriptorReaderTest.testMng5459(DefaultArtifactDescriptorReaderTest.java:56)

[INFO] Running org.apache.maven.repository.internal.DefaultModelResolverTest
[ERROR] Tests run: 10, Failures: 0, Errors: 8, Skipped: 0, Time elapsed: 0.354 s <<< FAILURE! - in org.apache.maven.repository.internal.DefaultModelResolverTest
[ERROR] testResolveDependencySuccessfullyResolvesExistingDependencyWithoutRange(org.apache.maven.repository.internal.DefaultModelResolverTest)  Time elapsed: 0.038 s  <<< ERROR!
java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;
        at org.apache.maven.repository.internal.DefaultModelResolverTest.testResolveDependencySuccessfullyResolvesExistingDependencyWithoutRange(DefaultModelResolverTest.java:198)

[ERROR] testResolveParentSuccessfullyResolvesExistingParentWithoutRange(org.apache.maven.repository.internal.DefaultModelResolverTest)  Time elapsed: 0.031 s  <<< ERROR!
java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;
        at org.apache.maven.repository.internal.DefaultModelResolverTest.testResolveParentSuccessfullyResolvesExistingParentWithoutRange(DefaultModelResolverTest.java:117)

[ERROR] testResolveParentSuccessfullyResolvesExistingParentUsingHighestVersion(org.apache.maven.repository.internal.DefaultModelResolverTest)  Time elapsed: 0.047 s  <<< ERROR!
java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;
        at org.apache.maven.repository.internal.DefaultModelResolverTest.testResolveParentSuccessfullyResolvesExistingParentUsingHighestVersion(DefaultModelResolverTest.java:128)

[ERROR] testResolveDependencyThrowsUnresolvableModelExceptionWhenNoMatchingVersionFound(org.apache.maven.repository.internal.DefaultModelResolverTest)  Time elapsed: 0.038 s  <<< ERROR!
java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;
        at org.apache.maven.repository.internal.DefaultModelResolverTest.testResolveDependencyThrowsUnresolvableModelExceptionWhenNoMatchingVersionFound(DefaultModelResolverTest.java:160)

[ERROR] testResolveDependencySuccessfullyResolvesExistingDependencyUsingHighestVersion(org.apache.maven.repository.internal.DefaultModelResolverTest)  Time elapsed: 0.031 s  <<< ERROR!
java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;
        at org.apache.maven.repository.internal.DefaultModelResolverTest.testResolveDependencySuccessfullyResolvesExistingDependencyUsingHighestVersion(DefaultModelResolverTest.java:209)

[ERROR] testResolveDependencyThrowsUnresolvableModelExceptionWhenUsingRangesWithoutUpperBound(org.apache.maven.repository.internal.DefaultModelResolverTest)  Time elapsed: 0.032 s  <<< ERROR!
java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;
        at org.apache.maven.repository.internal.DefaultModelResolverTest.testResolveDependencyThrowsUnresolvableModelExceptionWhenUsingRangesWithoutUpperBound(DefaultModelResolverTest.java:180)

[ERROR] testResolveParentThrowsUnresolvableModelExceptionWhenNoMatchingVersionFound(org.apache.maven.repository.internal.DefaultModelResolverTest)  Time elapsed: 0.037 s  <<< ERROR!
java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;
        at org.apache.maven.repository.internal.DefaultModelResolverTest.testResolveParentThrowsUnresolvableModelExceptionWhenNoMatchingVersionFound(DefaultModelResolverTest.java:79)

[ERROR] testResolveParentThrowsUnresolvableModelExceptionWhenUsingRangesWithoutUpperBound(org.apache.maven.repository.internal.DefaultModelResolverTest)  Time elapsed: 0.016 s  <<< ERROR!
java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;
        at org.apache.maven.repository.internal.DefaultModelResolverTest.testResolveParentThrowsUnresolvableModelExceptionWhenUsingRangesWithoutUpperBound(DefaultModelResolverTest.java:99)

[INFO] Running org.apache.maven.repository.internal.DefaultVersionResolverTest
[ERROR] Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0 s <<< FAILURE! - in org.apache.maven.repository.internal.DefaultVersionResolverTest
[ERROR] testResolveSeparateInstalledClassifiedNonUniqueVersionedArtifacts(org.apache.maven.repository.internal.DefaultVersionResolverTest)  Time elapsed: 0 s  <<< ERROR!
java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;
        at org.apache.maven.repository.internal.DefaultVersionResolverTest.testResolveSeparateInstalledClassifiedNonUniqueVersionedArtifacts(DefaultVersionResolverTest.java:59)

[INFO] Running org.apache.maven.repository.internal.MavenRepositorySystemUtilsTest
[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 s - in org.apache.maven.repository.internal.MavenRepositorySystemUtilsTest
[INFO] Running org.apache.maven.repository.internal.RemoteSnapshotMetadataTest
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 s - in org.apache.maven.repository.internal.RemoteSnapshotMetadataTest
[INFO] Running org.apache.maven.repository.internal.RepositorySystemTest
[ERROR] Tests run: 11, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 0.271 s <<< FAILURE! - in org.apache.maven.repository.internal.RepositorySystemTest
[ERROR] testCollectDependencies(org.apache.maven.repository.internal.RepositorySystemTest)  Time elapsed: 0 s  <<< ERROR!
java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;
        at org.apache.maven.repository.internal.RepositorySystemTest.testCollectDependencies(RepositorySystemTest.java:122)

[ERROR] testReadArtifactDescriptor(org.apache.maven.repository.internal.RepositorySystemTest)  Time elapsed: 0.028 s  <<< ERROR!
java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer;
        at org.apache.maven.repository.internal.RepositorySystemTest.testReadArtifactDescriptor(RepositorySystemTest.java:63)