In which file did you encounter the issue?

java-docs-samples/spanner/cloud-client

Did you change the file? If so, how?

No

Describe the issue

failed to build
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.6.1:compile (default-compile) on project spanner-google-cloud-samples: Compilation failure
[ERROR] /Users/dexter/Downloads/java-docs-samples/spanner/cloud-client/src/main/java/com/example/spanner/QuickstartSample.java:[21,32] cannot access com.google.cloud.spanner.DatabaseClient
[ERROR] bad class file: /Users/dexter/.m2/repository/com/google/cloud/google-cloud-spanner/0.21.1-beta/google-cloud-spanner-0.21.1-beta.jar(/com/google/cloud/spanner/DatabaseClient.class)
[ERROR] unable to access file: java.util.zip.ZipException: invalid distance too far back
[ERROR] Please remove or make sure it appears in the correct subdirectory of the classpath.