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From "Josh Elser (JIRA)" <>
Subject [jira] [Commented] (AMBARI-10978) Cannot access Accumulo Monitor UI
Date Wed, 06 May 2015 21:02:00 GMT


Josh Elser commented on AMBARI-10978:

[~zmarsh13], actually, can you clarify one thing for us still: you said that couldn't access
the monitor via {{<hostname FQDN>:50095}}. We can see that the server is bound on {{}}
from netstat. Can you confirm that the FQDN you were using points to a different interface
than what is on? For example, this is common when the node has both a public and
private interface. The monitor used the private hostname/IP, while you tried (and failed)
to access it from the public hostname/IP.

I had made the assumption that this was the case w/o actually asking :)

> Cannot access Accumulo Monitor UI
> ---------------------------------
>                 Key: AMBARI-10978
>                 URL:
>             Project: Ambari
>          Issue Type: Bug
>         Environment: ambari-2.1.0-376, hdp-, sles11sp3
>            Reporter: Zack Marsh
>            Assignee: Billie Rinaldi
> After installing Accumulo on my cluster, I find that I am unable to access the Accumulo
Monitor UI at <hostname FQDN>:50095. 
> Instead of a server error the page simply will not load.
> I'm seeing that the Accumulo Monitor is binding to the localhost:
> {code}
> # cat /etc/accumulo/conf/monitor
> # Licensed to the Apache Software Foundation (ASF) under one or more
> # contributor license agreements.  See the NOTICE file distributed with
> # this work for additional information regarding copyright ownership.
> # The ASF licenses this file to You under the Apache License, Version 2.0
> # (the "License"); you may not use this file except in compliance with
> # the License.  You may obtain a copy of the License at
> #
> #
> #
> # Unless required by applicable law or agreed to in writing, software
> # distributed under the License is distributed on an "AS IS" BASIS,
> # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
> # See the License for the specific language governing permissions and
> # limitations under the License.
> localhost
> {code}
> {code}
> # netstat -ltpn | grep 50095
> tcp        0      0*               LISTEN      19352/java
> # ps -ef |grep 19352
> accumulo 19352     1  3 15:35 ?        00:00:28 /opt/teradata/jvm64/jdk8/bin/java -Dapp=monitor
-XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75
-Xmx64m -Xms64m -classpath /usr/hdp/current/accumulo-monitor/conf/server:/usr/hdp/
-XX:OnOutOfMemoryError=kill -9 %p -XX:-OmitStackTraceInFastThrow
-Dorg.apache.accumulo.core.home.dir=/usr/hdp/ -Dhadoop.home.dir=/usr/hdp/current/hadoop-client
-Dzookeeper.home.dir=/usr/hdp/current/zookeeper-client org.apache.accumulo.start.Main monitor
> {code}
> I implemented the work-around specified in ACCUMULO-1985, and added the following line
to accumlo-env template in Ambari:
> {code}
> {code}
> After restarting all Accumulo components this issue remains.

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