Hi Everyone can help me please, I started NodeManager via ambari but showing an error like below Skipping unlimited key JCE policy check and setup since the Java VM is not managed by Ambari   ... View more

Everyone, can help me How to create keytab krb5.keytab in kerberos ? when I list keytab use " klist -k" show error like below root@master1:~# klist -k Keytab name: FILE:/etc/krb5.keytab klist: Key table file '/etc/krb5.keytab' not found while starting keytab scan   ... View more

Hi Everyone can help me, I'm strat NodeManger in ambari but show error "failure to login: for principal: nm/slave1.hadoop.com@HADOOP.COM from keytab /etc/security/keytabs/nm.service.keytab"  for detail like below   2024-06-11 09:30:28,202 INFO impl.MetricsSystemImpl (MetricsSystemImpl.java:shutdown(611)) - NodeManager metrics system shutdown complete. 2024-06-11 09:30:28,202 ERROR nodemanager.NodeManager (NodeManager.java:initAndStartNodeManager(965)) - Error starting NodeManager org.apache.hadoop.yarn.exceptions.YarnRuntimeException: Failed NodeManager login at org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceInit(NodeManager.java:488) at org.apache.hadoop.service.AbstractService.init(AbstractService.java:164) at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:962) at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:1042) Caused by: org.apache.hadoop.security.KerberosAuthException: failure to login: for principal: nm/slave1.hadoop.com@HADOOP.COM from keytab /etc/security/keytabs/nm.service.keytab javax.security.auth.login.LoginException: Unable to obtain password from user at org.apache.hadoop.security.UserGroupInformation.doSubjectLogin(UserGroupInformation.java:2012) at org.apache.hadoop.security.UserGroupInformation.loginUserFromKeytabAndReturnUGI(UserGroupInformation.java:1365) at org.apache.hadoop.security.UserGroupInformation.loginUserFromKeytab(UserGroupInformation.java:1125) at org.apache.hadoop.security.SecurityUtil.login(SecurityUtil.java:324) at org.apache.hadoop.security.SecurityUtil.login(SecurityUtil.java:288) at org.apache.hadoop.yarn.server.nodemanager.NodeManager.doSecureLogin(NodeManager.java:295) at org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceInit(NodeManager.java:486) ... 3 more Caused by: javax.security.auth.login.LoginException: Unable to obtain password from user at com.sun.security.auth.module.Krb5LoginModule.promptForPass(Krb5LoginModule.java:903) at com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Krb5LoginModule.java:766) at com.sun.security.auth.module.Krb5LoginModule.login(Krb5LoginModule.java:618) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at javax.security.auth.login.LoginContext.invoke(LoginContext.java:755) at javax.security.auth.login.LoginContext.access$000(LoginContext.java:195) at javax.security.auth.login.LoginContext$4.run(LoginContext.java:682) at javax.security.auth.login.LoginContext$4.run(LoginContext.java:680) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:680) at javax.security.auth.login.LoginContext.login(LoginContext.java:587) at org.apache.hadoop.security.UserGroupInformation$HadoopLoginContext.login(UserGroupInformation.java:2091) at org.apache.hadoop.security.UserGroupInformation.doSubjectLogin(UserGroupInformation.java:2001) ... 9 more 2024-06-11 09:30:28,204 INFO nodemanager.NodeManager (LogAdapter.java:info(51)) - SHUTDOWN_MSG:   any suggestions? ... View more