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Posted to issues@flink.apache.org by "Matthias Pohl (Jira)" <ji...@apache.org> on 2022/10/13 08:32:00 UTC
[jira] [Updated] (FLINK-29622) KerberosDelegationTokenManager fails to load DelegationTokenProvider due to NoClassDefFoundError in various ITCases
[ https://issues.apache.org/jira/browse/FLINK-29622?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matthias Pohl updated FLINK-29622:
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Summary: KerberosDelegationTokenManager fails to load DelegationTokenProvider due to NoClassDefFoundError in various ITCases (was: KerberosDelegationTokenManager fails to load DelegationTokenProvider due to NoClassDefFoundError in various tests)
> KerberosDelegationTokenManager fails to load DelegationTokenProvider due to NoClassDefFoundError in various ITCases
> -------------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-29622
> URL: https://issues.apache.org/jira/browse/FLINK-29622
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination, Tests
> Affects Versions: 1.16.0, 1.17.0
> Reporter: Matthias Pohl
> Priority: Major
>
> There are multiple ITCases that print an error when trying to load the {{HadoopFSDelegationTokenProvider}} which is on the classpath through {{flink-runtime}} but the corresponding hadoop dependency seems to be missing:
> {code}
> 186348 02:25:25,492 [ main] INFO org.apache.flink.runtime.security.token.KerberosDelegationTokenManager [] - Loading delegation token providers
> 186349 02:25:25,493 [ main] ERROR org.apache.flink.runtime.security.token.KerberosDelegationTokenManager [] - Failed to initialize delegation token provider hadoopfs
> 186350 java.lang.NoClassDefFoundError: org/apache/hadoop/hdfs/HdfsConfiguration
> 186351 at org.apache.flink.runtime.security.token.HadoopFSDelegationTokenProvider.init(HadoopFSDelegationTokenProvider.java:68) ~[flink-runtime-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> 186352 at org.apache.flink.runtime.security.token.KerberosDelegationTokenManager.loadProviders(KerberosDelegationTokenManager.java:124) ~[flink-runtime-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> 186353 at org.apache.flink.runtime.security.token.KerberosDelegationTokenManager.<init>(KerberosDelegationTokenManager.java:109) ~[flink-runtime-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> 186354 at org.apache.flink.runtime.security.token.KerberosDelegationTokenManager.<init>(KerberosDelegationTokenManager.java:91) ~[flink-runtime-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> 186355 at org.apache.flink.runtime.security.token.KerberosDelegationTokenManagerFactory.create(KerberosDelegationTokenManagerFactory.java:47) ~[flink-runtime-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> 186356 at org.apache.flink.runtime.minicluster.MiniCluster.start(MiniCluster.java:431) ~[flink-runtime-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> 186357 at org.apache.flink.runtime.testutils.MiniClusterResource.startMiniCluster(MiniClusterResource.java:234) ~[flink-runtime-1.16-SNAPSHOT-tests.jar:1.16-SNAPSHOT]
> 186358 at org.apache.flink.runtime.testutils.MiniClusterResource.before(MiniClusterResource.java:109) ~[flink-runtime-1.16-SNAPSHOT-tests.jar:1.16-SNAPSHOT]
> 186359 at org.apache.flink.test.util.MiniClusterWithClientResource.before(MiniClusterWithClientResource.java:64) ~[flink-test-utils-1.16-SNAPSHOT.jar:1.16-SNAPSHOT]
> 186360 at org.apache.flink.test.checkpointing.EventTimeWindowCheckpointingITCase.setupTestCluster(EventTimeWindowCheckpointingITCase.java:253) ~[test-classes/:?]
> 186361 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_292]
> [...]
> {code}
> This error might be misleading/confusing to people investigating the logs. It looks like this error is actually expected since the tests not necessarily require Kerberos delegation tokens.
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