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https://issues.apache.org/jira/browse/HDFS-17533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17848013#comment-17848013
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Shilun Fan commented on HDFS-17533:
-----------------------------------
[~simbadzina] Thank you for the feedback! The upgrade from derby 10.14.2.0 to
10.17.1.0 was completed by us at [https://github.com/apache/hadoop/pull/6816],
and no abnormal unit tests were found at that time. I will roll back #6816.
> RBF: Unit tests that use embedded SQL failing in CI
> ---------------------------------------------------
>
> Key: HDFS-17533
> URL: https://issues.apache.org/jira/browse/HDFS-17533
> Project: Hadoop HDFS
> Issue Type: Test
> Reporter: Simbarashe Dzinamarira
> Assignee: Simbarashe Dzinamarira
> Priority: Major
>
> In the CI runs for RBF the following two tests are failing
> {noformat}
> [ERROR] Failures:
> [ERROR]
> org.apache.hadoop.hdfs.server.federation.router.security.token.TestSQLDelegationTokenSecretManagerImpl.null
> [ERROR] Run 1: TestSQLDelegationTokenSecretManagerImpl Multiple Failures (2
> failures)
> java.sql.SQLException: No suitable driver found for
> jdbc:derby:memory:TokenStore;create=true
> java.lang.RuntimeException: java.sql.SQLException: No suitable driver
> found for jdbc:derby:memory:TokenStore;drop=true
> [ERROR] Run 2: TestSQLDelegationTokenSecretManagerImpl Multiple Failures (2
> failures)
> java.sql.SQLException: No suitable driver found for
> jdbc:derby:memory:TokenStore;create=true
> java.lang.RuntimeException: java.sql.SQLException: No suitable driver
> found for jdbc:derby:memory:TokenStore;drop=true
> [ERROR] Run 3: TestSQLDelegationTokenSecretManagerImpl Multiple Failures (2
> failures)
> java.sql.SQLException: No suitable driver found for
> jdbc:derby:memory:TokenStore;create=true
> java.lang.RuntimeException: java.sql.SQLException: No suitable driver
> found for jdbc:derby:memory:TokenStore;drop=true
> [INFO]
> [ERROR]
> org.apache.hadoop.hdfs.server.federation.store.driver.TestStateStoreMySQL.null
> [ERROR] Run 1: TestStateStoreMySQL Multiple Failures (2 failures)
> java.sql.SQLException: No suitable driver found for
> jdbc:derby:memory:StateStore;create=true
> java.lang.RuntimeException: java.sql.SQLException: No suitable driver
> found for jdbc:derby:memory:StateStore;drop=true
> [ERROR] Run 2: TestStateStoreMySQL Multiple Failures (2 failures)
> java.sql.SQLException: No suitable driver found for
> jdbc:derby:memory:StateStore;create=true
> java.lang.RuntimeException: java.sql.SQLException: No suitable driver
> found for jdbc:derby:memory:StateStore;drop=true
> [ERROR] Run 3: TestStateStoreMySQL Multiple Failures (2 failures)
> java.sql.SQLException: No suitable driver found for
> jdbc:derby:memory:StateStore;create=true
> java.lang.RuntimeException: java.sql.SQLException: No suitable driver
> found for jdbc:derby:memory:StateStore;drop=true {noformat}
> [https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-6804/5/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs-rbf.txt]
>
> I believe the fix is first registering the driver:
> [https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-connect-drivermanager.html]
> [https://stackoverflow.com/questions/22384710/java-sql-sqlexception-no-suitable-driver-found-for-jdbcmysql-localhost3306]
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