Running mvn install on spring-cloud-oracle Vault sample fails

[andytael]

Running mvn install on spring-cloud-oracle Vault sample fails with

[ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.009 s <<< FAILURE! -- in com.oracle.cloud.spring.sample.vault.springcloudocivaultsample.VaultTemplateIT
[ERROR] com.oracle.cloud.spring.sample.vault.springcloudocivaultsample.VaultTemplateIT -- Time elapsed: 0.009 s <<< ERROR!
java.lang.NoClassDefFoundError: com/oracle/cloud/spring/sample/vault/springcloudocivaultsample/VaultController
        at java.base/java.lang.Class.getDeclaredFields0(Native Method)
        at java.base/java.lang.Class.privateGetDeclaredFields(Class.java:3473)
        at java.base/java.lang.Class.getDeclaredFields(Class.java:2542)
        at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
Caused by: java.lang.ClassNotFoundException: com.oracle.cloud.spring.sample.vault.springcloudocivaultsample.VaultController
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
        at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
        ... 4 more

[INFO]
[INFO] Results:
[INFO]
[ERROR] Errors:
[ERROR]   VaultTemplateIT » NoClassDefFound com/oracle/cloud/spring/sample/vault/springcloudocivaultsample/VaultController