koodin9 commented on code in PR #5775:
URL: https://github.com/apache/hive/pull/5775#discussion_r2053576969
##########
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStoreClient.java:
##########
@@ -502,6 +506,9 @@ public void reconnect() throws MetaException {
// connection has died and the default connection is likely to be the
first array element.
promoteRandomMetaStoreURI();
}
+
+ generateProxyUserDelegationToken();
Review Comment:
@deniskuzZ
If the HiveMetaStore is restarted while a service is running with the
HADOOP_PROXY_USER environment variable configured, the following error occurs:
```
[2025-04-19 15:45:48,446] INFO [45337-limtan-ib-g19-3|task-0] Trying to
connect to metastore with URI thrift://koodin-test-metastore-1.com:9083
(hive.metastore:410)
[2025-04-19 15:45:48,452] ERROR [45337-limtan-ib-g19-3|task-0] SASL
negotiation failure (org.apache.thrift.transport.TSaslTransport:278)
javax.security.sasl.SaslException: GSS initiate failed [Caused by
GSSException: No valid credentials provided (Mechanism level: Failed to find
any Kerberos tgt)]
at
jdk.security.jgss/com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(Unknown
Source)
at
org.apache.thrift.transport.TSaslClientTransport.handleSaslStartMessage(TSaslClientTransport.java:96)
at
org.apache.thrift.transport.TSaslTransport.open(TSaslTransport.java:236)
at
org.apache.thrift.transport.TSaslClientTransport.open(TSaslClientTransport.java:39)
at
org.apache.hadoop.hive.thrift.client.TUGIAssumingTransport$1.run(TUGIAssumingTransport.java:52)
at
org.apache.hadoop.hive.thrift.client.TUGIAssumingTransport$1.run(TUGIAssumingTransport.java:49)
at java.base/java.security.AccessController.doPrivileged(Unknown Source)
at java.base/javax.security.auth.Subject.doAs(Unknown Source)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1899)
at
org.apache.hadoop.hive.thrift.client.TUGIAssumingTransport.open(TUGIAssumingTransport.java:49)
at
org.apache.hadoop.hive.metastore.HiveMetaStoreClient.open(HiveMetaStoreClient.java:494)
at
org.apache.hadoop.hive.metastore.HiveMetaStoreClient.reconnect(HiveMetaStoreClient.java:341)
at
org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.invoke(RetryingMetaStoreClient.java:163)
at jdk.proxy4/jdk.proxy4.$Proxy188.getTable(Unknown Source)
at
org.apache.iceberg.hive.HiveTableOperations.lambda$doRefresh$0(HiveTableOperations.java:146)
at org.apache.iceberg.ClientPoolImpl.run(ClientPoolImpl.java:58)
at org.apache.iceberg.ClientPoolImpl.run(ClientPoolImpl.java:51)
at
org.apache.iceberg.hive.CachedClientPool.run(CachedClientPool.java:122)
at
org.apache.iceberg.hive.HiveTableOperations.doRefresh(HiveTableOperations.java:146)
at
org.apache.iceberg.BaseMetastoreTableOperations.refresh(BaseMetastoreTableOperations.java:97)
at org.apache.iceberg.BaseTable.refresh(BaseTable.java:73)
at io.tabular.iceberg.connect.channel.Worker.write(Worker.java:133)
at io.tabular.iceberg.connect.channel.TaskImpl.put(TaskImpl.java:51)
at
io.tabular.iceberg.connect.IcebergSinkTask.lambda$put$4(IcebergSinkTask.java:181)
at java.base/java.security.AccessController.doPrivileged(Unknown Source)
at java.base/javax.security.auth.Subject.doAs(Unknown Source)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1899)
at
io.tabular.iceberg.connect.IcebergSinkTask.put(IcebergSinkTask.java:179)
at
org.apache.kafka.connect.runtime.WorkerSinkTask.deliverMessages(WorkerSinkTask.java:605)
at
org.apache.kafka.connect.runtime.WorkerSinkTask.poll(WorkerSinkTask.java:344)
at
org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:246)
at
org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:215)
at
org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:225)
at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:280)
at
org.apache.kafka.connect.runtime.isolation.Plugins.lambda$withClassLoader$1(Plugins.java:237)
at
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown
Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown
Source)
at java.base/java.lang.Thread.run(Unknown Source)
Caused by: GSSException: No valid credentials provided (Mechanism level:
Failed to find any Kerberos tgt)
at
java.security.jgss/sun.security.jgss.krb5.Krb5InitCredential.getInstance(Unknown
Source)
at
java.security.jgss/sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Unknown
Source)
at
java.security.jgss/sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Unknown
Source)
at
java.security.jgss/sun.security.jgss.GSSManagerImpl.getMechanismContext(Unknown
Source)
at
java.security.jgss/sun.security.jgss.GSSContextImpl.initSecContext(Unknown
Source)
at
java.security.jgss/sun.security.jgss.GSSContextImpl.initSecContext(Unknown
Source)
... 40 more
```
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