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  <channel>
    <title>question Re: Cannot start cloudera-scm-agent. in Support Questions</title>
    <link>https://community.cloudera.com/t5/Support-Questions/Cannot-start-cloudera-scm-agent/m-p/280081#M208662</link>
    <description>&lt;P&gt;Fixed After Reboot Machine. And Re-Install Cloudera&lt;/P&gt;</description>
    <pubDate>Mon, 14 Oct 2019 06:29:56 GMT</pubDate>
    <dc:creator>pramana</dc:creator>
    <dc:date>2019-10-14T06:29:56Z</dc:date>
    <item>
      <title>Cannot start cloudera-scm-agent.</title>
      <link>https://community.cloudera.com/t5/Support-Questions/Cannot-start-cloudera-scm-agent/m-p/280080#M208661</link>
      <description>&lt;P&gt;I am trying install cloudera 5.16.2(single mode). In cluster instalasion&amp;nbsp; i am get this error.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;LI-SPOILER&gt;
&lt;LI-SPOILER&gt;
&lt;P&gt;&lt;BR /&gt;/tmp/scm_prepare_node.ZzLnmqNE&lt;BR /&gt;using SSH_CLIENT to get the SCM hostname: 10.0.0.4 34302 22&lt;BR /&gt;opening logging file descriptor&lt;BR /&gt;Starting installation script...&lt;BR /&gt;Acquiring installation lock...&lt;BR /&gt;BEGIN flock 4&lt;BR /&gt;END (0)&lt;BR /&gt;Detecting root privileges...&lt;BR /&gt;effective UID is 0&lt;BR /&gt;Detecting distribution...&lt;BR /&gt;BEGIN grep Tikanga /etc/redhat-release&lt;BR /&gt;END (1)&lt;BR /&gt;BEGIN grep 'CentOS release 5' /etc/redhat-release&lt;BR /&gt;END (1)&lt;BR /&gt;BEGIN grep 'Scientific Linux release 5' /etc/redhat-release&lt;BR /&gt;END (1)&lt;BR /&gt;BEGIN grep Santiago /etc/redhat-release&lt;BR /&gt;END (1)&lt;BR /&gt;BEGIN grep 'CentOS Linux release 6' /etc/redhat-release&lt;BR /&gt;END (1)&lt;BR /&gt;BEGIN grep 'CentOS release 6' /etc/redhat-release&lt;BR /&gt;END (1)&lt;BR /&gt;BEGIN grep 'Scientific Linux release 6' /etc/redhat-release&lt;BR /&gt;END (1)&lt;BR /&gt;BEGIN grep Maipo /etc/redhat-release&lt;BR /&gt;END (1)&lt;BR /&gt;BEGIN grep 'CentOS Linux release 7' /etc/redhat-release&lt;BR /&gt;CentOS Linux release 7.5.1804 (Core)&lt;BR /&gt;END (0)&lt;BR /&gt;/etc/redhat-release ==&amp;gt; CentOS 7&lt;BR /&gt;Detecting Cloudera Manager Server...&lt;BR /&gt;BEGIN host -t PTR 10.0.0.4&lt;BR /&gt;Host 4.0.0.10.in-addr.arpa. not found: 3(NXDOMAIN)&lt;BR /&gt;END (1)&lt;BR /&gt;BEGIN which python&lt;BR /&gt;/usr/bin/python&lt;BR /&gt;END (0)&lt;BR /&gt;BEGIN python -c 'import socket; import sys; s = socket.socket(socket.AF_INET); s.settimeout(5.0); s.connect((sys.argv[1], int(sys.argv[2]))); s.close();' 10.0.0.4 7182&lt;BR /&gt;END (0)&lt;BR /&gt;BEGIN which wget&lt;BR /&gt;/usr/bin/wget&lt;BR /&gt;END (0)&lt;BR /&gt;BEGIN wget -qO- -T 1 -t 1 &lt;A href="http://169.254.169.254/latest/meta-data/public-hostname" target="_blank" rel="noopener"&gt;http://169.254.169.254/latest/meta-data/public-hostname&lt;/A&gt; &amp;amp;&amp;amp; /bin/echo&lt;BR /&gt;END (8)&lt;BR /&gt;Installing package repositories...&lt;BR /&gt;validating format of repository file /tmp/scm_prepare_node.ZzLnmqNE/repos/rhel7/cloudera-manager.repo&lt;BR /&gt;installing repository file /tmp/scm_prepare_node.ZzLnmqNE/repos/rhel7/cloudera-manager.repo&lt;BR /&gt;repository file /tmp/scm_prepare_node.ZzLnmqNE/repos/rhel7/cloudera-manager.repo installed&lt;BR /&gt;Refreshing package metadata...&lt;BR /&gt;BEGIN yum --disablerepo=* --enablerepo=cloudera* clean all&lt;BR /&gt;Loaded plugins: fastestmirror, langpacks&lt;BR /&gt;Cleaning repos: cloudera-manager&lt;BR /&gt;Cleaning up everything&lt;BR /&gt;Maybe you want: rm -rf /var/cache/yum, to also free up space taken by orphaned data from disabled or removed repos&lt;BR /&gt;END (0)&lt;BR /&gt;BEGIN rm -Rf /var/cache/yum/x86_64&lt;BR /&gt;END (0)&lt;BR /&gt;BEGIN yum --disablerepo=* --enablerepo=cloudera* makecache&lt;BR /&gt;Loaded plugins: fastestmirror, langpacks&lt;BR /&gt;Determining fastest mirrors&lt;BR /&gt;Metadata Cache Created&lt;BR /&gt;END (0)&lt;BR /&gt;Installing cloudera-manager-agent package...&lt;BR /&gt;BEGIN yum --disablerepo=* --enablerepo=cloudera* list installed cloudera-manager-agent&lt;BR /&gt;Loaded plugins: fastestmirror, langpacks&lt;BR /&gt;Installed Packages&lt;BR /&gt;cloudera-manager-agent.x86_64 5.16.2-1.cm5162.p0.7.el7 &lt;a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/27805"&gt;@Cloudera&lt;/a&gt;-manager&lt;BR /&gt;END (0)&lt;BR /&gt;BEGIN echo oracle-j2sdk1.7 cloudera-manager-agent cloudera-manager-daemons | grep cloudera-manager-agent&lt;BR /&gt;oracle-j2sdk1.7 cloudera-manager-agent cloudera-manager-daemons&lt;BR /&gt;END (0)&lt;BR /&gt;BEGIN yum --disablerepo=* --enablerepo=cloudera* info cloudera-manager-agent&lt;BR /&gt;Loaded plugins: fastestmirror, langpacks&lt;BR /&gt;Loading mirror speeds from cached hostfile&lt;BR /&gt;Installed Packages&lt;BR /&gt;Name : cloudera-manager-agent&lt;BR /&gt;Arch : x86_64&lt;BR /&gt;Version : 5.16.2&lt;BR /&gt;Release : 1.cm5162.p0.7.el7&lt;BR /&gt;Size : 76 M&lt;BR /&gt;Repo : installed&lt;BR /&gt;From repo : cloudera-manager&lt;BR /&gt;Summary : The Cloudera Manager Agent&lt;BR /&gt;URL : &lt;A href="http://www.cloudera.com" target="_blank" rel="noopener"&gt;http://www.cloudera.com&lt;/A&gt;&lt;BR /&gt;License : Proprietary&lt;BR /&gt;Description : The Cloudera Manager Agent.&lt;BR /&gt;:&lt;BR /&gt;: The Agent is deployed to machines running services managed by&lt;BR /&gt;: Cloudera Manager.&lt;/P&gt;
&lt;P&gt;END (0)&lt;BR /&gt;Version : 5.16.2&lt;BR /&gt;Release : 1.cm5162.p0.7.el7&lt;BR /&gt;BEGIN yum -y install cloudera-manager-agent&lt;BR /&gt;Loaded plugins: fastestmirror, langpacks&lt;BR /&gt;Loading mirror speeds from cached hostfile&lt;BR /&gt;* epel: mirror.umd.edu&lt;BR /&gt;&lt;A href="http://csc.mcs.sdsmt.edu/epel/7/x86_64/repodata/2315a785ec9b893a28d85b3782ba8a1bb742b8d07449f7040b22305b6aaa9019-updateinfo.xml.bz2" target="_blank" rel="noopener"&gt;http://csc.mcs.sdsmt.edu/epel/7/x86_64/repodata/2315a785ec9b893a28d85b3782ba8a1bb742b8d07449f7040b22305b6aaa9019-updateinfo.xml.bz2&lt;/A&gt;: [Errno 12] Timeout on &lt;A href="http://csc.mcs.sdsmt.edu/epel/7/x86_64/repodata/2315a785ec9b893a28d85b3782ba8a1bb742b8d07449f7040b22305b6aaa9019-updateinfo.xml.bz2" target="_blank" rel="noopener"&gt;http://csc.mcs.sdsmt.edu/epel/7/x86_64/repodata/2315a785ec9b893a28d85b3782ba8a1bb742b8d07449f7040b22305b6aaa9019-updateinfo.xml.bz2&lt;/A&gt;: (28, 'Operation too slow. Less than 1000 bytes/sec transferred the last 30 seconds')&lt;BR /&gt;Trying other mirror.&lt;BR /&gt;Package cloudera-manager-agent-5.16.2-1.cm5162.p0.7.el7.x86_64 already installed and latest version&lt;BR /&gt;Nothing to do&lt;BR /&gt;END (0)&lt;BR /&gt;remote package cloudera-manager-agent installed&lt;BR /&gt;Installing cloudera-manager-daemons package...&lt;BR /&gt;BEGIN yum --disablerepo=* --enablerepo=cloudera* list installed cloudera-manager-daemons&lt;BR /&gt;Loaded plugins: fastestmirror, langpacks&lt;BR /&gt;Installed Packages&lt;BR /&gt;cloudera-manager-daemons.x86_64 5.16.2-1.cm5162.p0.7.el7 &lt;a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/27805"&gt;@Cloudera&lt;/a&gt;-manager&lt;BR /&gt;END (0)&lt;BR /&gt;BEGIN echo oracle-j2sdk1.7 cloudera-manager-agent cloudera-manager-daemons | grep cloudera-manager-daemons&lt;BR /&gt;oracle-j2sdk1.7 cloudera-manager-agent cloudera-manager-daemons&lt;BR /&gt;END (0)&lt;BR /&gt;BEGIN yum --disablerepo=* --enablerepo=cloudera* info cloudera-manager-daemons&lt;BR /&gt;Loaded plugins: fastestmirror, langpacks&lt;BR /&gt;Loading mirror speeds from cached hostfile&lt;BR /&gt;Installed Packages&lt;BR /&gt;Name : cloudera-manager-daemons&lt;BR /&gt;Arch : x86_64&lt;BR /&gt;Version : 5.16.2&lt;BR /&gt;Release : 1.cm5162.p0.7.el7&lt;BR /&gt;Size : 931 M&lt;BR /&gt;Repo : installed&lt;BR /&gt;From repo : cloudera-manager&lt;BR /&gt;Summary : Provides daemons for monitoring Hadoop and related tools.&lt;BR /&gt;URL : &lt;A href="http://www.cloudera.com" target="_blank" rel="noopener"&gt;http://www.cloudera.com&lt;/A&gt;&lt;BR /&gt;License : Proprietary&lt;BR /&gt;Description : This package includes daemons for monitoring and managing Hadoop.&lt;/P&gt;
&lt;P&gt;END (0)&lt;BR /&gt;Version : 5.16.2&lt;BR /&gt;Release : 1.cm5162.p0.7.el7&lt;BR /&gt;BEGIN yum -y install cloudera-manager-daemons&lt;BR /&gt;Loaded plugins: fastestmirror, langpacks&lt;BR /&gt;Loading mirror speeds from cached hostfile&lt;BR /&gt;* epel: iad.mirror.rackspace.com&lt;BR /&gt;Package cloudera-manager-daemons-5.16.2-1.cm5162.p0.7.el7.x86_64 already installed and latest version&lt;BR /&gt;Nothing to do&lt;BR /&gt;END (0)&lt;BR /&gt;remote package cloudera-manager-daemons installed&lt;BR /&gt;Installing Unlimited Strength Encryption policy files.&lt;BR /&gt;Installation not requested. Step will be skipped.&lt;BR /&gt;Configuring Cloudera Manager Agent...&lt;BR /&gt;BEGIN grep server_host=10.0.0.4 /etc/cloudera-scm-agent/config.ini&lt;BR /&gt;END (1)&lt;BR /&gt;BEGIN cp /etc/cloudera-scm-agent/config.ini /etc/cloudera-scm-agent/config.ini.orig&lt;BR /&gt;END (0)&lt;BR /&gt;BEGIN sed -e 's/\(server_host=\).*/\110.0.0.4/' -i /etc/cloudera-scm-agent/config.ini&lt;BR /&gt;END (0)&lt;BR /&gt;scm agent configured&lt;BR /&gt;BEGIN sed -e 's/#\(USER=.*\)/\1/' -i /etc/default/cloudera-scm-agent&lt;BR /&gt;END (0)&lt;BR /&gt;Starting Cloudera Manager Agent...&lt;BR /&gt;BEGIN /sbin/service cloudera-scm-agent status&lt;BR /&gt;● cloudera-scm-agent.service - LSB: Cloudera SCM Agent&lt;BR /&gt;Loaded: loaded (/etc/rc.d/init.d/cloudera-scm-agent; bad; vendor preset: disabled)&lt;BR /&gt;Active: failed (Result: exit-code) since Mon 2019-10-14 01:18:43 WIB; 9h ago&lt;BR /&gt;Docs: man:systemd-sysv-generator(8)&lt;BR /&gt;Process: 32808 ExecStart=/etc/rc.d/init.d/cloudera-scm-agent start (code=exited, status=1/FAILURE)&lt;/P&gt;
&lt;P&gt;Oct 14 01:18:43 xxx.xxx.xxx.xxxsystemd[1]: Starting LSB: Cloudera SCM Agent...&lt;BR /&gt;Oct 14 01:18:43 xxx.xxx.xxx.xxx su[32826]: (to cloudera-scm) root on none&lt;BR /&gt;Oct 14 01:18:43 xxx.xxx.xxx.xxx cloudera-scm-agent[32808]: Starting cloudera-scm-agent: bash: /var/log/cloudera-scm-agent/cloudera-scm-agent.out: Permission denied&lt;BR /&gt;Oct 14 01:18:43 xxx.xxx.xxx.xxx cloudera-scm-agent[32808]: [FAILED]&lt;BR /&gt;Oct 14 01:18:43 xxx.xxx.xxx.xxx systemd[1]: cloudera-scm-agent.service: control process exited, code=exited status=1&lt;BR /&gt;Oct 14 01:18:43 xxx.xxx.xxx.xxx systemd[1]: Failed to start LSB: Cloudera SCM Agent.&lt;BR /&gt;Oct 14 01:18:43 xxx.xxx.xxx.xxx systemd[1]: Unit cloudera-scm-agent.service entered failed state.&lt;BR /&gt;Oct 14 01:18:43 xxx.xxx.xxx.xxx systemd[1]: cloudera-scm-agent.service failed.&lt;BR /&gt;END (3)&lt;BR /&gt;BEGIN /sbin/service cloudera-scm-agent start&lt;BR /&gt;Starting cloudera-scm-agent (via systemctl): Job for cloudera-scm-agent.service failed because the control process exited with error code. See "systemctl status cloudera-scm-agent.service" and "journalctl -xe" for details.&lt;BR /&gt;[FAILED]&lt;BR /&gt;END (1)&lt;BR /&gt;agent logs:&lt;BR /&gt;BEGIN tail -n 50 /var/log/cloudera-scm-agent//cloudera-scm-agent.out | sed 's/^/&amp;gt;&amp;gt;/'&lt;BR /&gt;&amp;gt;&amp;gt;[14/Oct/2019 00:14:10 +0000] 26295 MainThread agent INFO SCM Agent Version: 5.16.2&lt;BR /&gt;&amp;gt;&amp;gt;[14/Oct/2019 00:14:10 +0000] 26295 MainThread agent WARNING Expected mode 0751 for /run/cloudera-scm-agent but was 0755&lt;BR /&gt;&amp;gt;&amp;gt;[14/Oct/2019 00:14:10 +0000] 26295 MainThread agent INFO Re-using pre-existing directory: /run/cloudera-scm-agent&lt;BR /&gt;&amp;gt;&amp;gt;[14/Oct/2019 00:14:10 +0000] 26295 MainThread agent INFO SCM Agent Version: 5.16.2&lt;BR /&gt;&amp;gt;&amp;gt;[14/Oct/2019 00:14:10 +0000] 26295 MainThread agent WARNING Expected mode 0751 for /run/cloudera-scm-agent but was 0755&lt;BR /&gt;&amp;gt;&amp;gt;[14/Oct/2019 00:14:10 +0000] 26295 MainThread agent INFO Re-using pre-existing directory: /run/cloudera-scm-agent&lt;BR /&gt;END (0)&lt;BR /&gt;BEGIN tail -n 50 /var/log/cloudera-scm-agent//cloudera-scm-agent.log | sed 's/^/&amp;gt;&amp;gt;/'&lt;BR /&gt;&amp;gt;&amp;gt; verbose=self.__verbose&lt;BR /&gt;&amp;gt;&amp;gt; File "/usr/lib64/cmf/agent/build/env/lib/python2.7/site-packages/supervisor-3.0-py2.7.egg/supervisor/xmlrpc.py", line 470, in request&lt;BR /&gt;&amp;gt;&amp;gt; '' )&lt;BR /&gt;&amp;gt;&amp;gt;ProtocolError: &amp;lt;ProtocolError for 127.0.0.1/RPC2: 401 Unauthorized&amp;gt;&lt;BR /&gt;&amp;gt;&amp;gt;[14/Oct/2019 00:14:14 +0000] 26309 MainThread agent INFO Trying to connect to newly launched supervisor (Attempt 3)&lt;BR /&gt;&amp;gt;&amp;gt;[14/Oct/2019 00:14:14 +0000] 26309 MainThread agent ERROR Failed! trying again in 1 second(s)&lt;BR /&gt;&amp;gt;&amp;gt;Traceback (most recent call last):&lt;BR /&gt;&amp;gt;&amp;gt; File "/usr/lib64/cmf/agent/build/env/lib/python2.7/site-packages/cmf-5.16.2-py2.7.egg/cmf/agent.py", line 2271, in connect_to_new_supervisor&lt;BR /&gt;&amp;gt;&amp;gt; self.get_supervisor_process_info()&lt;BR /&gt;&amp;gt;&amp;gt; File "/usr/lib64/cmf/agent/build/env/lib/python2.7/site-packages/cmf-5.16.2-py2.7.egg/cmf/agent.py", line 2291, in get_supervisor_process_info&lt;BR /&gt;&amp;gt;&amp;gt; self.identifier = self.supervisor_client.supervisor.getIdentification()&lt;BR /&gt;&amp;gt;&amp;gt; File "/usr/lib64/python2.7/xmlrpclib.py", line 1233, in __call__&lt;BR /&gt;&amp;gt;&amp;gt; return self.__send(self.__name, args)&lt;BR /&gt;&amp;gt;&amp;gt; File "/usr/lib64/python2.7/xmlrpclib.py", line 1591, in __request&lt;BR /&gt;&amp;gt;&amp;gt; verbose=self.__verbose&lt;BR /&gt;&amp;gt;&amp;gt; File "/usr/lib64/cmf/agent/build/env/lib/python2.7/site-packages/supervisor-3.0-py2.7.egg/supervisor/xmlrpc.py", line 470, in request&lt;BR /&gt;&amp;gt;&amp;gt; '' )&lt;BR /&gt;&amp;gt;&amp;gt;ProtocolError: &amp;lt;ProtocolError for 127.0.0.1/RPC2: 401 Unauthorized&amp;gt;&lt;BR /&gt;&amp;gt;&amp;gt;[14/Oct/2019 00:14:15 +0000] 26309 MainThread agent INFO Trying to connect to newly launched supervisor (Attempt 4)&lt;BR /&gt;&amp;gt;&amp;gt;[14/Oct/2019 00:14:15 +0000] 26309 MainThread agent ERROR Failed! trying again in 1 second(s)&lt;BR /&gt;&amp;gt;&amp;gt;Traceback (most recent call last):&lt;BR /&gt;&amp;gt;&amp;gt; File "/usr/lib64/cmf/agent/build/env/lib/python2.7/site-packages/cmf-5.16.2-py2.7.egg/cmf/agent.py", line 2271, in connect_to_new_supervisor&lt;BR /&gt;&amp;gt;&amp;gt; self.get_supervisor_process_info()&lt;BR /&gt;&amp;gt;&amp;gt; File "/usr/lib64/cmf/agent/build/env/lib/python2.7/site-packages/cmf-5.16.2-py2.7.egg/cmf/agent.py", line 2291, in get_supervisor_process_info&lt;BR /&gt;&amp;gt;&amp;gt; self.identifier = self.supervisor_client.supervisor.getIdentification()&lt;BR /&gt;&amp;gt;&amp;gt; File "/usr/lib64/python2.7/xmlrpclib.py", line 1233, in __call__&lt;BR /&gt;&amp;gt;&amp;gt; return self.__send(self.__name, args)&lt;BR /&gt;&amp;gt;&amp;gt; File "/usr/lib64/python2.7/xmlrpclib.py", line 1591, in __request&lt;BR /&gt;&amp;gt;&amp;gt; verbose=self.__verbose&lt;BR /&gt;&amp;gt;&amp;gt; File "/usr/lib64/cmf/agent/build/env/lib/python2.7/site-packages/supervisor-3.0-py2.7.egg/supervisor/xmlrpc.py", line 470, in request&lt;BR /&gt;&amp;gt;&amp;gt; '' )&lt;/P&gt;
&lt;/LI-SPOILER&gt;
&lt;/LI-SPOILER&gt;</description>
      <pubDate>Mon, 14 Oct 2019 06:34:13 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/Cannot-start-cloudera-scm-agent/m-p/280080#M208661</guid>
      <dc:creator>pramana</dc:creator>
      <dc:date>2019-10-14T06:34:13Z</dc:date>
    </item>
    <item>
      <title>Re: Cannot start cloudera-scm-agent.</title>
      <link>https://community.cloudera.com/t5/Support-Questions/Cannot-start-cloudera-scm-agent/m-p/280081#M208662</link>
      <description>&lt;P&gt;Fixed After Reboot Machine. And Re-Install Cloudera&lt;/P&gt;</description>
      <pubDate>Mon, 14 Oct 2019 06:29:56 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/Cannot-start-cloudera-scm-agent/m-p/280081#M208662</guid>
      <dc:creator>pramana</dc:creator>
      <dc:date>2019-10-14T06:29:56Z</dc:date>
    </item>
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