It solved the problem.   OS: Ubuntu 14.04.3  (on AWS) kernel: 3.13.0-121-generic   Thank you for detail explanation. ... View more

I have the same problem. I installed CDH 5.11.1 on a single machine AWS EC2. When starting impala service, Impala Catalog Server and Impala Daemon don't start. I removed the role and added again but the problem still persists. Impala Daemon stderr : ... + exec /opt/cloudera/parcels/CDH-5.11.1-1.cdh5.11.1.p0.4/lib/impala/../../bin/impalad --flagfile=/run/cloudera-scm-agent/process/154-impala-IMPALAD/impala-conf/impalad_flags Redirecting stderr to /var/log/impalad/impalad.ERROR ... Can't open /run/cloudera-scm-agent/process/154-impala-IMPALAD/config.zip: Permission denied. Can't open /run/cloudera-scm-agent/process/154-impala-IMPALAD/proc.json: Permission denied   Impala Catalog Server stderr: ... exec /opt/cloudera/parcels/CDH-5.11.1-1.cdh5.11.1.p0.4/lib/impala/../../bin/catalogd --flagfile=/run/cloudera-scm-agent/process/155-impala-CATALOGSERVER/impala-conf/catalogserver_flags Redirecting stderr to /var/log/catalogd/catalogd.ERROR ... Can't open /run/cloudera-scm-agent/process/155-impala-CATALOGSERVER/config.zip: Permission denied. Can't open /run/cloudera-scm-agent/process/155-impala-CATALOGSERVER/proc.json: Permission denied   Any help will be appreciated.   ... View more