Accumulo Browse Console Unavailable Outside VM Virtual Machine

Question

I am running Accumulo 1.5 in an Ubuntu 12.04 VirtualBox virtual machine. I installed the accumulo-site.xml instance.zookeeper.host file on the IP address of the virtual machine, and I can connect to the drive and run requests from a remote client machine. From the client machine, I can also use a browser to see add-name-name, view the file system, etc. But I cannot connect to the Accumulo overview page (port 50095) from anywhere except directly from the Accumulo virtual machine. There is no firewall between the VM and the client, and besides the Accumulo overview page is not available, everything else works fine.

Is there a configuration parameter that I need to change to allow external access to the Accumulo Browse Console?

thanks

Answer 1

I managed to get the Accumulo monitor to communicate with all network interfaces by manually applying this patch: https://git-wip-us.apache.org/repos/asf?p=accumulo.git;a=commit;h=7655de68

In conf/accumulo-env.shadd:

# Should the monitor bind to all network interfaces -- default: false
export ACCUMULO_MONITOR_BIND_ALL="true"

In bin/config.shadd:

# ACCUMULO-1985 provide a way to use the scripts and still bind to all network interfaces
export ACCUMULO_MONITOR_BIND_ALL=${ACCUMULO_MONITOR_BIND_ALL:-"false"}

And change bin/start-server.shto match:

SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
   bin="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
   SOURCE="$(readlink "$SOURCE")"
   [[ $SOURCE != /* ]] && SOURCE="$bin/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
done
bin="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
# Stop: Resolve Script Directory

. "$bin"/config.sh

HOST="$1"
host "$1" >/dev/null 2>/dev/null
if [ $? -ne 0 ]; then
   LOGHOST="$1"
else
   LOGHOST=$(host "$1" | head -1 | cut -d' ' -f1)
fi
ADDRESS="$1"
SERVICE="$2"
LONGNAME="$3"
if [ -z "$LONGNAME" ]; then
   LONGNAME="$2"
fi
SLAVES=$( wc -l < ${ACCUMULO_HOME}/conf/slaves )

IFCONFIG=/sbin/ifconfig
if [ ! -x $IFCONFIG ]; then
   IFCONFIG='/bin/netstat -ie'
fi

# ACCUMULO-1985 Allow monitor to bind on all interfaces
if [ ${SERVICE} == "monitor" -a ${ACCUMULO_MONITOR_BIND_ALL} == "true" ]; then
    ADDRESS="0.0.0.0"
fi

ip=$($IFCONFIG 2>/dev/null| grep inet[^6] | awk '{print $2}' | sed 's/addr://' | grep -v 0.0.0.0 | grep -v 127.0.0.1 | head -n 1)
if [ $? != 0 ]
then
   ip=$(python -c 'import socket as s; print s.gethostbyname(s.getfqdn())')
fi

if [ "$HOST" = "localhost" -o "$HOST" = "`hostname`" -o "$HOST" = "$ip" ]; then
   PID=$(ps -ef | egrep ${ACCUMULO_HOME}/.*/accumulo.*.jar | grep "Main $SERVICE" | grep -v grep | awk {'print $2'} | head -1)
else
   PID=$($SSH $HOST ps -ef | egrep ${ACCUMULO_HOME}/.*/accumulo.*.jar | grep "Main $SERVICE" | grep -v grep | awk {'print $2'} | head -1)
fi

if [ -z $PID ]; then
   echo "Starting $LONGNAME on $HOST"
   if [ "$HOST" = "localhost" -o "$HOST" = "`hostname`" -o "$HOST" = "$ip" ]; then
      #${bin}/accumulo ${SERVICE} --address $1 >${ACCUMULO_LOG_DIR}/${SERVICE}_${LOGHOST}.out 2>${ACCUMULO_LOG_DIR}/${SERVICE}_${LOGHOST}.err & 
      ${bin}/accumulo ${SERVICE} --address ${ADDRESS} >${ACCUMULO_LOG_DIR}/${SERVICE}_${LOGHOST}.out 2>${ACCUMULO_LOG_DIR}/${SERVICE}_${LOGHOST}.err & 
      MAX_FILES_OPEN=$(ulimit -n)
   else
      #$SSH $HOST "bash -c 'exec nohup ${bin}/accumulo ${SERVICE} --address $1 >${ACCUMULO_LOG_DIR}/${SERVICE}_${LOGHOST}.out 2>${ACCUMULO_LOG_DIR}/${SERVICE}_${LOGHOST}.err' &"
      $SSH $HOST "bash -c 'exec nohup ${bin}/accumulo ${SERVICE} --address ${ADDRESS} >${ACCUMULO_LOG_DIR}/${SERVICE}_${LOGHOST}.out 2>${ACCUMULO_LOG_DIR}/${SERVICE}_${LOGHOST}.err' &"
      MAX_FILES_OPEN=$($SSH $HOST "/usr/bin/env bash -c 'ulimit -n'") 
   fi

   if [ -n "$MAX_FILES_OPEN" ] && [ -n "$SLAVES" ] ; then
      if [ "$SLAVES" -gt 10 ] && [ "$MAX_FILES_OPEN" -lt 65536 ]; then
         echo "WARN : Max files open on $HOST is $MAX_FILES_OPEN, recommend 65536"
      fi
   fi
else
   echo "$HOST : $LONGNAME already running (${PID})"
fi

Answer 2

Make sure that the monitor is bound to the correct interface, and not to the loopback "localhost" interface. You may need to edit the monitors file in the Accumulo configuration directory with the IP / hostname of the correct interface.