https://community.cloudera.com/t5/Support-Questions/Namenode-failure/m-p/306451#M222843 <P>I appreciate your answer, could you please tell me what is the meaning of No JVM present.</P><P>And what is the default location of the Namenode log file?</P><P>&nbsp;</P><P>Thank you,</P><P>&nbsp;</P> Wed, 25 Nov 2020 10:25:37 GMT Masood 2020-11-25T10:25:37Z https://community.cloudera.com/t5/Support-Questions/Namenode-failure/m-p/290599#M214972 <P>reasons behind name node failure?</P> Thu, 27 Feb 2020 17:52:10 GMT https://community.cloudera.com/t5/Support-Questions/Namenode-failure/m-p/290599#M214972 cc1 2020-02-27T17:52:10Z https://community.cloudera.com/t5/Support-Questions/Namenode-failure/m-p/290604#M214977 <P><a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/73999">@cc1</a>&nbsp;</P><P>There can be various reasons ...starting from</P><UL><LI>- Low disk space, Low memory ,</LI><LI>- No jvm present ,</LI><LI>- Insufficient resources available on the namenode host,</LI><LI>- Corrupted fsimage,</LI><LI>- namenode port already in use</LI><LI>- Corrupted Edits log file</LI><LI>- Insufficient permissions to the NN startup user,</LI><LI>- Incorrect configurations ...<BR />...etc such various kind of reasons. ....</LI></UL><P>&nbsp;</P><P>Hence it will be good to first check the NameNode logs to find out what kind of error is it showing and then accordingly it can be troubleshooted.</P> Thu, 27 Feb 2020 11:49:32 GMT https://community.cloudera.com/t5/Support-Questions/Namenode-failure/m-p/290604#M214977 jsensharma 2020-02-27T11:49:32Z https://community.cloudera.com/t5/Support-Questions/Namenode-failure/m-p/306451#M222843 <P>I appreciate your answer, could you please tell me what is the meaning of No JVM present.</P><P>And what is the default location of the Namenode log file?</P><P>&nbsp;</P><P>Thank you,</P><P>&nbsp;</P> Wed, 25 Nov 2020 10:25:37 GMT https://community.cloudera.com/t5/Support-Questions/Namenode-failure/m-p/306451#M222843 Masood 2020-11-25T10:25:37Z