2025-10-11 06:17:56,541 [22665a8e-15a8-4b12-bdd3-5500e26a4b21-EndpointStateMachineTaskThread-o108/192.168.69.108:9891-0 ] WARN ipc.Client: Exception encountered while connecting to the server o108/192.168.69.108:9891
javax.security.sasl.SaslException: Bad Kerberos server principal configuration [Caused by java.lang.IllegalArgumentException: Empty nameString not allowed]
at org.apache.hadoop.security.SaslRpcClient.createSaslClient(SaslRpcClient.java:246)
at org.apache.hadoop.security.SaslRpcClient.selectSaslClient(SaslRpcClient.java:166)
at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:399)
at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:578)
at org.apache.hadoop.ipc.Client$Connection.access$2100(Client.java:364)
at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:799)
at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:795)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:714)
at java.base/javax.security.auth.Subject.doAs(Subject.java:525)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1953)
at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:795)
at org.apache.hadoop.ipc.Client$Connection.access$3800(Client.java:364)
at org.apache.hadoop.ipc.Client.getConnection(Client.java:1649)
at org.apache.hadoop.ipc.Client.call(Client.java:1473)
at org.apache.hadoop.ipc.Client.call(Client.java:1426)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:250)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:132)
at jdk.proxy2/jdk.proxy2.$Proxy46.submitRequest(Unknown Source)
at org.apache.hadoop.ozone.protocolPB.StorageContainerDatanodeProtocolClientSideTranslatorPB.submitRequest(StorageContainerDatanodeProtocolClientSideTranslatorPB.java:105)
at org.apache.hadoop.ozone.protocolPB.StorageContainerDatanodeProtocolClientSideTranslatorPB.getVersion(StorageContainerDatanodeProtocolClientSideTranslatorPB.java:120)
at org.apache.hadoop.ozone.container.common.states.endpoint.VersionEndpointTask.call(VersionEndpointTask.java:69)
at org.apache.hadoop.ozone.container.common.states.endpoint.VersionEndpointTask.call(VersionEndpointTask.java:40)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: java.lang.IllegalArgumentException: Empty nameString not allowed
at java.security.jgss/sun.security.krb5.PrincipalName.validateNameStrings(PrincipalName.java:179)
at java.security.jgss/sun.security.krb5.PrincipalName.<init>(PrincipalName.java:400)
at java.security.jgss/sun.security.krb5.PrincipalName.<init>(PrincipalName.java:487)
at java.security.jgss/javax.security.auth.kerberos.KerberosPrincipal.<init>(KerberosPrincipal.java:198)
at org.apache.hadoop.security.SaslRpcClient.getServerPrincipal(SaslRpcClient.java:318)
at org.apache.hadoop.security.SaslRpcClient.createSaslClient(SaslRpcClient.java:242)
... 25 more
2025-10-11 06:17:56,542 [22665a8e-15a8-4b12-bdd3-5500e26a4b21-BlockDeletingService#0] INFO interfaces.ContainerDeletionChoosingPolicyTemplate: Chosen 0/5000 blocks from 0 candidate containers.
2025-10-11 06:17:58,356 [22665a8e-15a8-4b12-bdd3-5500e26a4b21-EndpointStateMachineTaskThread-o108/192.168.69.108:9891-0 ] WARN ipc.Client: Exception encountered while connecting to the server o108/192.168.69.108:9891
javax.security.sasl.SaslException: Bad Kerberos server principal configuration [Caused by java.lang.IllegalArgumentException: Empty nameString not allowed]
at org.apache.hadoop.security.SaslRpcClient.createSaslClient(SaslRpcClient.java:246)
at org.apache.hadoop.security.SaslRpcClient.selectSaslClient(SaslRpcClient.java:166)
at org.apache.hadoop.security.SaslRpcClient.saslConnect(SaslRpcClient.java:399)
at org.apache.hadoop.ipc.Client$Connection.setupSaslConnection(Client.java:578)
at org.apache.hadoop.ipc.Client$Connection.access$2100(Client.java:364)
at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:799)
at org.apache.hadoop.ipc.Client$Connection$2.run(Client.java:795)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:714)
at java.base/javax.security.auth.Subject.doAs(Subject.java:525)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1953)
at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:795)
at org.apache.hadoop.ipc.Client$Connection.access$3800(Client.java:364)
at org.apache.hadoop.ipc.Client.getConnection(Client.java:1649)
at org.apache.hadoop.ipc.Client.call(Client.java:1473)
at org.apache.hadoop.ipc.Client.call(Client.java:1426)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:250)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:132)
at jdk.proxy2/jdk.proxy2.$Proxy46.submitRequest(Unknown Source)
at org.apache.hadoop.ozone.protocolPB.StorageContainerDatanodeProtocolClientSideTranslatorPB.submitRequest(StorageContainerDatanodeProtocolClientSideTranslatorPB.java:105)
at org.apache.hadoop.ozone.protocolPB.StorageContainerDatanodeProtocolClientSideTranslatorPB.getVersion(StorageContainerDatanodeProtocolClientSideTranslatorPB.java:120)
at org.apache.hadoop.ozone.container.common.states.endpoint.VersionEndpointTask.call(VersionEndpointTask.java:69)
at org.apache.hadoop.ozone.container.common.states.endpoint.VersionEndpointTask.call(VersionEndpointTask.java:40)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: java.lang.IllegalArgumentException: Empty nameString not allowed
at java.security.jgss/sun.security.krb5.PrincipalName.validateNameStrings(PrincipalName.java:179)
at java.security.jgss/sun.security.krb5.PrincipalName.<init>(PrincipalName.java:400)
at java.security.jgss/sun.security.krb5.PrincipalName.<init>(PrincipalName.java:487)
at java.security.jgss/javax.security.auth.kerberos.KerberosPrincipal.<init>(KerberosPrincipal.java:198)
at org.apache.hadoop.security.SaslRpcClient.getServerPrincipal(SaslRpcClient.java:318)
at org.apache.hadoop.security.SaslRpcClient.createSaslClient(SaslRpcClient.java:242)
... 25 more
