there is a possibility that your daemon process is hung find it and kill it $> ps -eaf|grep impala impala 4399 1 0 Aug17 ? 00:00:00 python2.7 /usr/lib64/cmf/agent/build/env/bin/cmf-redactor /usr/lib64/cmf/service/impala/impala.sh impalad impalad_flags false clouder+ 8426 5709 0 16:34 pts/0 00:00:00 grep --color=auto impala impala 12322 1 0 Aug17 ? 00:00:00 /opt/cloudera/parcels/CDH-5.10.1-1.cdh5.10.1.p0.10/lib/impala/sbin-retail/impalad --flagfile=/run/cloudera-scm-agent/process/3639-impala-IMPALAD/impala-conf/impalad_flags $>sudo kill -9 12322 $>sudo kill -9 4399 try to restart your daemon and check the port $> sudo netstat -lntp|grep 22000
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@alpertankut, I would check the Cloudera Manager logs to see if there is a stack trace or informational lines explaining why the access denied was returned. Also, try a new browser to see if the same problem is occurring in that.
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that means you have many services running on your server so your server doesn't provide the memory request to Java. I don't know your clusters setup, but it is possible many services are running that specific server. Try to reduce the running services.
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