웹서비스 문제 입니다.

Tomcat 홈디렉토리의 bin 폴더에서 catalina.sh 파일을 수정 하시면 됩니다. 약 231째줄이네요.

elif [ "$1" = "start" ] ; then

  shift
  touch "$CATALINA_BASE"/logs/catalina.out
  if [ "$1" = "-security" ] ; then
    echo "Using Security Manager"
    shift                                                                                                                                                             "$_RUNJAVA" $JAVA_OPTS $CATALINA_OPTS
      -Djava.endorsed.dirs="$JAVA_ENDORSED_DIRS" -classpath "$CLASSPATH"
      -Djava.security.manager
      -Djava.security.policy=="$CATALINA_BASE"/conf/catalina.policy
      -Dcatalina.base="$CATALINA_BASE"
      -Dcatalina.home="$CATALINA_HOME"
      -Djava.io.tmpdir="$CATALINA_TMPDIR"
      org.apache.catalina.startup.Bootstrap "$@" start
      >> "$CATALINA_BASE"/logs/catalina.out 2>&1 &

      if [ ! -z "$CATALINA_PID" ]; then
        echo $! > $CATALINA_PID
      fi    
  else

    CATALINA_OPTS="$CATALINA_OPTS  -server -Xms512M -Xmx1024M" <--추가
    "$_RUNJAVA" $JAVA_OPTS $CATALINA_OPTS
      -Djava.endorsed.dirs="$JAVA_ENDORSED_DIRS" -classpath "$CLASSPATH"
      -Dcatalina.base="$CATALINA_BASE"
      -Dcatalina.home="$CATALINA_HOME"
      -Djava.io.tmpdir="$CATALINA_TMPDIR"
      org.apache.catalina.startup.Bootstrap "$@" start
      >> "$CATALINA_BASE"/logs/catalina.out 2>&1 &

      if [ ! -z "$CATALINA_PID" ]; then
        echo $! > $CATALINA_PID
      fi    
  fi