<?xml version="1.0" encoding="UTF-8"?>
<rss xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:taxo="http://purl.org/rss/1.0/modules/taxonomy/" version="2.0">
  <channel>
    <title>question aftper config kerberos on CDH5,Service Monitor,HDFS can not start. in Archives of Support Questions (Read Only)</title>
    <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/aftper-config-kerberos-on-CDH5-Service-Monitor-HDFS-can-not/m-p/18712#M2918</link>
    <description>&lt;P&gt;Failed to start Firehose&lt;BR /&gt;java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.RuntimeException: java.io.IOException: Login failure for hue/hadoop-pcrm-06.abc@ABC from keytab hue.keytab&lt;BR /&gt;at com.google.common.base.Throwables.propagate(Throwables.java:160)&lt;BR /&gt;at com.cloudera.cmf.cdhclient.CdhExecutorFactory.createExecutor(CdhExecutorFactory.java:274)&lt;BR /&gt;at com.cloudera.cmf.cdhclient.CdhExecutorFactory.createExecutor(CdhExecutorFactory.java:309)&lt;BR /&gt;at com.cloudera.enterprise.AbstractCDHVersionAwarePeriodicService.&amp;lt;init&amp;gt;(AbstractCDHVersionAwarePeriodicService.java:73)&lt;BR /&gt;at com.cloudera.cmon.firehose.JobTrackerPoller.&amp;lt;init&amp;gt;(JobTrackerPoller.java:192)&lt;BR /&gt;at com.cloudera.cmon.firehose.TreeJobTrackerPoller.&amp;lt;init&amp;gt;(TreeJobTrackerPoller.java:45)&lt;BR /&gt;at com.cloudera.cmon.firehose.FirehosePipeline.createSecurityAwarePollers(FirehosePipeline.java:333)&lt;BR /&gt;at com.cloudera.cmon.firehose.FirehosePipeline.&amp;lt;init&amp;gt;(FirehosePipeline.java:215)&lt;BR /&gt;at com.cloudera.cmon.firehose.FirehosePipeline.&amp;lt;init&amp;gt;(FirehosePipeline.java:385)&lt;BR /&gt;at com.cloudera.cmon.firehose.Firehose.&amp;lt;init&amp;gt;(Firehose.java:241)&lt;BR /&gt;at com.cloudera.cmon.firehose.Main.main(Main.java:510)&lt;BR /&gt;Caused by: java.util.concurrent.ExecutionException: java.lang.RuntimeException: java.io.IOException: Login failure for hue/hadoop-pcrm-06.abc@ABC from keytab hue.keytab&lt;BR /&gt;at java.util.concurrent.FutureTask.report(FutureTask.java:122)&lt;BR /&gt;at java.util.concurrent.FutureTask.get(FutureTask.java:188)&lt;BR /&gt;at com.cloudera.cmf.cdhclient.CdhExecutorFactory.createExecutor(CdhExecutorFactory.java:268)&lt;BR /&gt;... 9 more&lt;BR /&gt;Caused by: java.lang.RuntimeException: java.io.IOException: Login failure for hue/hadoop-pcrm-06.abc@ABC from keytab hue.keytab&lt;BR /&gt;at com.google.common.base.Throwables.propagate(Throwables.java:160)&lt;BR /&gt;at com.cloudera.cmf.cdhclient.CdhExecutorFactory$SecureClassLoaderSetupTask.run(CdhExecutorFactory.java:491)&lt;BR /&gt;at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)&lt;BR /&gt;at java.util.concurrent.FutureTask.run(FutureTask.java:262)&lt;BR /&gt;at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)&lt;BR /&gt;at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)&lt;BR /&gt;at java.lang.Thread.run(Thread.java:744)&lt;BR /&gt;Caused by: java.io.IOException: Login failure for hue/hadoop-pcrm-06.abc@ABC from keytab hue.keytab&lt;BR /&gt;at org.apache.hadoop.security.UserGroupInformation.loginUserFromKeytab(UserGroupInformation.java:855)&lt;BR /&gt;at org.apache.hadoop.security.SecurityUtil.login(SecurityUtil.java:279)&lt;BR /&gt;at com.cloudera.cmf.cdh4client.CDH4ObjectFactoryImpl.login(CDH4ObjectFactoryImpl.java:188)&lt;BR /&gt;at com.cloudera.cmf.cdhclient.CdhExecutorFactory$SecureClassLoaderSetupTask.run(CdhExecutorFactory.java:485)&lt;BR /&gt;... 5 more&lt;BR /&gt;Caused by: javax.security.auth.login.LoginException: Connection refused&lt;BR /&gt;at com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Krb5LoginModule.java:767)&lt;BR /&gt;at com.sun.security.auth.module.Krb5LoginModule.login(Krb5LoginModule.java:584)&lt;BR /&gt;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;BR /&gt;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;BR /&gt;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;BR /&gt;at java.lang.reflect.Method.invoke(Method.java:606)&lt;BR /&gt;at javax.security.auth.login.LoginContext.invoke(LoginContext.java:762)&lt;BR /&gt;at javax.security.auth.login.LoginContext.access$000(LoginContext.java:203)&lt;BR /&gt;at javax.security.auth.login.LoginContext$4.run(LoginContext.java:690)&lt;BR /&gt;at javax.security.auth.login.LoginContext$4.run(LoginContext.java:688)&lt;BR /&gt;at java.security.AccessController.doPrivileged(Native Method)&lt;BR /&gt;at javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:687)&lt;BR /&gt;at javax.security.auth.login.LoginContext.login(LoginContext.java:595)&lt;BR /&gt;at org.apache.hadoop.security.UserGroupInformation.loginUserFromKeytab(UserGroupInformation.java:846)&lt;BR /&gt;... 8 more&lt;BR /&gt;Caused by: java.net.ConnectException: Connection refused&lt;BR /&gt;at java.net.PlainSocketImpl.socketConnect(Native Method)&lt;BR /&gt;at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)&lt;BR /&gt;at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)&lt;BR /&gt;at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)&lt;BR /&gt;at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)&lt;BR /&gt;at java.net.Socket.connect(Socket.java:579)&lt;BR /&gt;at sun.security.krb5.internal.TCPClient.&amp;lt;init&amp;gt;(NetClient.java:65)&lt;BR /&gt;at sun.security.krb5.internal.NetClient.getInstance(NetClient.java:43)&lt;BR /&gt;at sun.security.krb5.KdcComm$KdcCommunication.run(KdcComm.java:372)&lt;BR /&gt;at sun.security.krb5.KdcComm$KdcCommunication.run(KdcComm.java:343)&lt;BR /&gt;at java.security.AccessController.doPrivileged(Native Method)&lt;BR /&gt;at sun.security.krb5.KdcComm.send(KdcComm.java:327)&lt;BR /&gt;at sun.security.krb5.KdcComm.send(KdcComm.java:219)&lt;BR /&gt;at sun.security.krb5.KdcComm.send(KdcComm.java:191)&lt;BR /&gt;at sun.security.krb5.KrbAsReqBuilder.send(KrbAsReqBuilder.java:319)&lt;BR /&gt;at sun.security.krb5.KrbAsReqBuilder.action(KrbAsReqBuilder.java:364)&lt;BR /&gt;at com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Krb5LoginModule.java:735)&lt;BR /&gt;... 21 more&lt;/P&gt;</description>
    <pubDate>Tue, 21 Apr 2026 14:00:41 GMT</pubDate>
    <dc:creator>wanghualei</dc:creator>
    <dc:date>2026-04-21T14:00:41Z</dc:date>
    <item>
      <title>aftper config kerberos on CDH5,Service Monitor,HDFS can not start.</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/aftper-config-kerberos-on-CDH5-Service-Monitor-HDFS-can-not/m-p/18712#M2918</link>
      <description>&lt;P&gt;Failed to start Firehose&lt;BR /&gt;java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.RuntimeException: java.io.IOException: Login failure for hue/hadoop-pcrm-06.abc@ABC from keytab hue.keytab&lt;BR /&gt;at com.google.common.base.Throwables.propagate(Throwables.java:160)&lt;BR /&gt;at com.cloudera.cmf.cdhclient.CdhExecutorFactory.createExecutor(CdhExecutorFactory.java:274)&lt;BR /&gt;at com.cloudera.cmf.cdhclient.CdhExecutorFactory.createExecutor(CdhExecutorFactory.java:309)&lt;BR /&gt;at com.cloudera.enterprise.AbstractCDHVersionAwarePeriodicService.&amp;lt;init&amp;gt;(AbstractCDHVersionAwarePeriodicService.java:73)&lt;BR /&gt;at com.cloudera.cmon.firehose.JobTrackerPoller.&amp;lt;init&amp;gt;(JobTrackerPoller.java:192)&lt;BR /&gt;at com.cloudera.cmon.firehose.TreeJobTrackerPoller.&amp;lt;init&amp;gt;(TreeJobTrackerPoller.java:45)&lt;BR /&gt;at com.cloudera.cmon.firehose.FirehosePipeline.createSecurityAwarePollers(FirehosePipeline.java:333)&lt;BR /&gt;at com.cloudera.cmon.firehose.FirehosePipeline.&amp;lt;init&amp;gt;(FirehosePipeline.java:215)&lt;BR /&gt;at com.cloudera.cmon.firehose.FirehosePipeline.&amp;lt;init&amp;gt;(FirehosePipeline.java:385)&lt;BR /&gt;at com.cloudera.cmon.firehose.Firehose.&amp;lt;init&amp;gt;(Firehose.java:241)&lt;BR /&gt;at com.cloudera.cmon.firehose.Main.main(Main.java:510)&lt;BR /&gt;Caused by: java.util.concurrent.ExecutionException: java.lang.RuntimeException: java.io.IOException: Login failure for hue/hadoop-pcrm-06.abc@ABC from keytab hue.keytab&lt;BR /&gt;at java.util.concurrent.FutureTask.report(FutureTask.java:122)&lt;BR /&gt;at java.util.concurrent.FutureTask.get(FutureTask.java:188)&lt;BR /&gt;at com.cloudera.cmf.cdhclient.CdhExecutorFactory.createExecutor(CdhExecutorFactory.java:268)&lt;BR /&gt;... 9 more&lt;BR /&gt;Caused by: java.lang.RuntimeException: java.io.IOException: Login failure for hue/hadoop-pcrm-06.abc@ABC from keytab hue.keytab&lt;BR /&gt;at com.google.common.base.Throwables.propagate(Throwables.java:160)&lt;BR /&gt;at com.cloudera.cmf.cdhclient.CdhExecutorFactory$SecureClassLoaderSetupTask.run(CdhExecutorFactory.java:491)&lt;BR /&gt;at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)&lt;BR /&gt;at java.util.concurrent.FutureTask.run(FutureTask.java:262)&lt;BR /&gt;at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)&lt;BR /&gt;at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)&lt;BR /&gt;at java.lang.Thread.run(Thread.java:744)&lt;BR /&gt;Caused by: java.io.IOException: Login failure for hue/hadoop-pcrm-06.abc@ABC from keytab hue.keytab&lt;BR /&gt;at org.apache.hadoop.security.UserGroupInformation.loginUserFromKeytab(UserGroupInformation.java:855)&lt;BR /&gt;at org.apache.hadoop.security.SecurityUtil.login(SecurityUtil.java:279)&lt;BR /&gt;at com.cloudera.cmf.cdh4client.CDH4ObjectFactoryImpl.login(CDH4ObjectFactoryImpl.java:188)&lt;BR /&gt;at com.cloudera.cmf.cdhclient.CdhExecutorFactory$SecureClassLoaderSetupTask.run(CdhExecutorFactory.java:485)&lt;BR /&gt;... 5 more&lt;BR /&gt;Caused by: javax.security.auth.login.LoginException: Connection refused&lt;BR /&gt;at com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Krb5LoginModule.java:767)&lt;BR /&gt;at com.sun.security.auth.module.Krb5LoginModule.login(Krb5LoginModule.java:584)&lt;BR /&gt;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;BR /&gt;at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)&lt;BR /&gt;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)&lt;BR /&gt;at java.lang.reflect.Method.invoke(Method.java:606)&lt;BR /&gt;at javax.security.auth.login.LoginContext.invoke(LoginContext.java:762)&lt;BR /&gt;at javax.security.auth.login.LoginContext.access$000(LoginContext.java:203)&lt;BR /&gt;at javax.security.auth.login.LoginContext$4.run(LoginContext.java:690)&lt;BR /&gt;at javax.security.auth.login.LoginContext$4.run(LoginContext.java:688)&lt;BR /&gt;at java.security.AccessController.doPrivileged(Native Method)&lt;BR /&gt;at javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:687)&lt;BR /&gt;at javax.security.auth.login.LoginContext.login(LoginContext.java:595)&lt;BR /&gt;at org.apache.hadoop.security.UserGroupInformation.loginUserFromKeytab(UserGroupInformation.java:846)&lt;BR /&gt;... 8 more&lt;BR /&gt;Caused by: java.net.ConnectException: Connection refused&lt;BR /&gt;at java.net.PlainSocketImpl.socketConnect(Native Method)&lt;BR /&gt;at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)&lt;BR /&gt;at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)&lt;BR /&gt;at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)&lt;BR /&gt;at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)&lt;BR /&gt;at java.net.Socket.connect(Socket.java:579)&lt;BR /&gt;at sun.security.krb5.internal.TCPClient.&amp;lt;init&amp;gt;(NetClient.java:65)&lt;BR /&gt;at sun.security.krb5.internal.NetClient.getInstance(NetClient.java:43)&lt;BR /&gt;at sun.security.krb5.KdcComm$KdcCommunication.run(KdcComm.java:372)&lt;BR /&gt;at sun.security.krb5.KdcComm$KdcCommunication.run(KdcComm.java:343)&lt;BR /&gt;at java.security.AccessController.doPrivileged(Native Method)&lt;BR /&gt;at sun.security.krb5.KdcComm.send(KdcComm.java:327)&lt;BR /&gt;at sun.security.krb5.KdcComm.send(KdcComm.java:219)&lt;BR /&gt;at sun.security.krb5.KdcComm.send(KdcComm.java:191)&lt;BR /&gt;at sun.security.krb5.KrbAsReqBuilder.send(KrbAsReqBuilder.java:319)&lt;BR /&gt;at sun.security.krb5.KrbAsReqBuilder.action(KrbAsReqBuilder.java:364)&lt;BR /&gt;at com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Krb5LoginModule.java:735)&lt;BR /&gt;... 21 more&lt;/P&gt;</description>
      <pubDate>Tue, 21 Apr 2026 14:00:41 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/aftper-config-kerberos-on-CDH5-Service-Monitor-HDFS-can-not/m-p/18712#M2918</guid>
      <dc:creator>wanghualei</dc:creator>
      <dc:date>2026-04-21T14:00:41Z</dc:date>
    </item>
    <item>
      <title>Re: aftper config kerberos on CDH5,Service Monitor,HDFS can not start.</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/aftper-config-kerberos-on-CDH5-Service-Monitor-HDFS-can-not/m-p/18730#M2919</link>
      <description>&lt;P&gt;make sure forward and reverse lookup are working correctly on all nodes (per discussion here)&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;A href="http://www.cloudera.com/content/cloudera-content/cloudera-docs/CM5/latest/Cloudera-Manager-Installation-Guide/cm5ig_cm_requirements.html#cmig_topic_4_3_3_unique_1" target="_blank"&gt;http://www.cloudera.com/content/cloudera-content/cloudera-docs/CM5/latest/Cloudera-Manager-Installation-Guide/cm5ig_cm_requirements.html#cmig_topic_4_3_3_unique_1&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Make sure you deployed client configurations through CM after enabling kerberos and restarting services too (probably not the issue, but important to remember)&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;If management services were not down when you enabled kerberos, it might be necessary to kill them, try to stop them and all cluster services first, and then check if they came down clean with a ps -ef | grep java | grep cloudera&lt;/P&gt;</description>
      <pubDate>Sun, 14 Sep 2014 04:10:54 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/aftper-config-kerberos-on-CDH5-Service-Monitor-HDFS-can-not/m-p/18730#M2919</guid>
      <dc:creator>Grizzly</dc:creator>
      <dc:date>2014-09-14T04:10:54Z</dc:date>
    </item>
    <item>
      <title>Re: aftper config kerberos on CDH5,Service Monitor,HDFS can not start.</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/aftper-config-kerberos-on-CDH5-Service-Monitor-HDFS-can-not/m-p/18810#M2920</link>
      <description>&lt;P&gt;thanks a lot,but not the answer&lt;/P&gt;&lt;P&gt;when i set HADOOP_OPTS="-Dsun.security.krb5.debug=true" ,i found it connect kdc using tcp, then i check the kdc config,kdc only listined on udp, so "conneciton confused"&lt;/P&gt;</description>
      <pubDate>Tue, 16 Sep 2014 02:52:29 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/aftper-config-kerberos-on-CDH5-Service-Monitor-HDFS-can-not/m-p/18810#M2920</guid>
      <dc:creator>wanghualei</dc:creator>
      <dc:date>2014-09-16T02:52:29Z</dc:date>
    </item>
    <item>
      <title>Re: aftper config kerberos on CDH5,Service Monitor,HDFS can not start.</title>
      <link>https://community.cloudera.com/t5/Archives-of-Support-Questions/aftper-config-kerberos-on-CDH5-Service-Monitor-HDFS-can-not/m-p/44426#M2921</link>
      <description />
      <pubDate>Fri, 26 Aug 2016 17:38:41 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Archives-of-Support-Questions/aftper-config-kerberos-on-CDH5-Service-Monitor-HDFS-can-not/m-p/44426#M2921</guid>
      <dc:creator>lucasa</dc:creator>
      <dc:date>2016-08-26T17:38:41Z</dc:date>
    </item>
  </channel>
</rss>

