{"id":6390,"date":"2014-04-17T01:14:36","date_gmt":"2014-04-17T01:14:36","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/04\/17\/problem-about-cloudera-manager-collection-of-common-programming-errors\/"},"modified":"2014-04-17T01:14:36","modified_gmt":"2014-04-17T01:14:36","slug":"problem-about-cloudera-manager-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2014\/04\/17\/problem-about-cloudera-manager-collection-of-common-programming-errors\/","title":{"rendered":"problem about cloudera-manager-Collection of common programming errors"},"content":{"rendered":"<ul>\n<li><img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/BQ0wQ.jpg?s=32&amp;g=1\" \/><br \/>\nNosk<br \/>\nhadoop cloudera sqoop cloudera-manager<br \/>\nI am running a cloudera cluster in a university. Some machine died so I had to remove them from the cluster. Now sqoop can&#8217;t start anymore. I have a log entry:16:20:36.635 ERROR org.apache.sqoop.core.SqoopServer Server startup failure org.apache.sqoop.common.SqoopException: JDBCREPO_0007:Unable to lease connectionat org.apache.sqoop.repository.JdbcRepositoryTransaction.begin(JdbcRepositoryTransaction.java:63)at org.apache.sqoop.repository.JdbcRepository.doWithConnection(JdbcRepository.ja<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/f73f2a271575b96a48e3255dee9bafe4?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\npiyush<br \/>\nhadoop hdfs cloudera-manager<br \/>\nI am trying to installing CDH 4.6 in my cluster which is of 3 nodes. One data node out of this 3 is not able to start at all. Tried searching and solving this by all possible ways, but failed. Please help me in solving this. Below is the log. 5:49:10.708 PM FATAL org.apache.hadoop.hdfs.server.datanode.DataNode Exception in secureMain java.io.IOException: the path component: &#8216;\/&#8217; is world-writable. Its permissions are 0777. Please fix this or select a different socket path.at org.apache.hado<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/wyaca.jpg?s=128&amp;g=1?s=32&amp;g=1\" \/><br \/>\nVikas Hardia<br \/>\nsecurity hadoop kerberos cloudera cloudera-manager<br \/>\nI have a Cloudera cluster of version 5 here i am facing a problem after enabling Hadoop security Hadoop services are not starting.I am getting error on YARN:PriviledgedActionException as:mapred\/cdh4hdm@IMP.CO.IN (auth:KERBEROS) cause:java.io.IOException: Couldn&#8217;t setup connection for mapred\/cdh4hdm@IMP.CO.IN to cdh4hdm\/172.26.43.40:8020 3:23:49.298 PM INFO org.apache.hadoop.service.AbstractService Service org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager failed in state INITED; cause:<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/graph.facebook.com\/1312780624\/picture?type=large\" \/><br \/>\nfranklinsun<br \/>\ncloudera-manager<br \/>\nJust through the cloud manager 0.8.2 deployed cdh4, when i start mgmt1 through cm web console, the ServiceMonitor, ActivityMonitor, and HostMonitor fail to start, logs print :2014-03-11 19:50:36,373 FATAL org.hsqldb.cmdline.SqlFile: SQL Error at &#8216;UTF-8&#8217; line 1: &#8220;ALTER TABLE PARTITION_INFO ADD COLUMN BEGIN_TS BIGINT(20)&#8221; Duplicate column name &#8216;BEGIN_TS&#8217;2014-03-11 19:50:36,374 ERROR com.cloudera.enterprise.dbutil.SqlFileRunner: Exception while executing ddl scripts.com.mysql.jdbc.exceptions.jdbc4.<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/9IaeD.jpg?s=32&amp;g=1\" \/><br \/>\nzhutoulala<br \/>\nhadoop cloudera cloudera-manager<br \/>\nI downloaded CDH 4.5 quick start vm from here. Each service looks good except for below error was seen after I opened Activities tab to view mapreduce activities:The Activity Monitor server (activitymonitor (localhost)) is unavailable or not responding to connections.The problem remains after I tried to restart Activity Monitor service, then I found following error message in the log. Can anybody help take a look?11:24:35.862 PM WARN org.mortbay.log failed SelectChannelConnector@local<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/12bdac5d4f029b01b431aeb328a17e53?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nNaren<br \/>\nhadoop hbase cloudera cloudera-manager<br \/>\nIn my setup, Because of Power interruption My VMs got down state after restarting all my VMs I cant able to start Hbase, all other services can restart\/stop\/start but in UI for CM in hbase ACTIONS tab all options were hidden..Following is my hbase master log,now its in exiting mode6:29:05.880 AM ERROR org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper ZooKeeper exists failed after 3 retries 6:29:05.880 AM WARN org.apache.hadoop.hbase.zookeeper.ZKUtil hconnection Unable to set w<\/li>\n<\/ul>\n<p>Web site is in building<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nosk hadoop cloudera sqoop cloudera-manager I am running a cloudera cluster in a university. Some machine died so I had to remove them from the cluster. Now sqoop can&#8217;t start anymore. I have a log entry:16:20:36.635 ERROR org.apache.sqoop.core.SqoopServer Server startup failure org.apache.sqoop.common.SqoopException: JDBCREPO_0007:Unable to lease connectionat org.apache.sqoop.repository.JdbcRepositoryTransaction.begin(JdbcRepositoryTransaction.java:63)at org.apache.sqoop.repository.JdbcRepository.doWithConnection(JdbcRepository.ja piyush hadoop hdfs cloudera-manager I am trying [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6390","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/6390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=6390"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/6390\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=6390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=6390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=6390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}