blank graphs on nagios

[mbizwo simon]

I successfully installed nagios and nagiosql successfully and then i
installed nagiosgrapher , the graphs are blank for my hosts.  I'm using
Debian GNU/Linux 5.0 , Nagiosql version 3.04  and nagios3

My log files are not helpful, the sample output is as below.

nms:/opt# tail -f /var/log/nagiosgrapher/ngraph.log
2011-01-18 16:54:37 VALUES: [27105900800-Ninirichi][PING]: RTA=4.18 Loss=0
2011-01-18 16:54:37 VALUES: [localhost][HTTP]: http_res=0.001474
2011-01-18 16:54:47 VALUES: [27879422857-RedAlertEL][PING]: RTA=68.98 Loss=0
2011-01-18 16:54:47 VALUES: [27879422871-Telemasters][PING]: RTA=58.94
Loss=0
2011-01-18 16:54:47 VALUES: [27879422860-ProtekUMT][PING]: RTA=66.97 Loss=0
2011-01-18 16:54:47 VALUES: [27879422863-NzelenzelePrestron][PING]:
RTA=46.54 Loss=0
2011-01-18 16:55:17 VALUES: [27879413762-TargetCranes][PING]: RTA=15.73
Loss=16
2011-01-18 16:55:17 VALUES: [27879413740-IpexDBN][PING]: RTA=37.26 Loss=0
2011-01-18 16:55:47 VALUES: [27879434778-ChalkAiRumt][PING]: RTA=65.54
Loss=0
2011-01-18 16:55:47 VALUES: [gateway][PING]: RTA=0.55 Loss=0


My ngraph config file is as below :
 pipe                    /var/lib/nagiosgrapher/ngraph.pipe
    port                    5667
    buffer                  1024
    interface               pipe

    # please use subfolder
    pidfile                 /var/run/nagiosgrapher/nagiosgrapher.pid
    user                    nagios
    group                   nagios

    # normal_check_interval
    step                   60

    # VALUE (e.g. 600 for 5 minutes ) or AUTO
    heartbeat               600

    rrdpath                 /var/lib/nagiosgrapher/rrd/
    tmppath                 /tmp/nagiosgrapher/

    fontfile

    serviceext_type         MULTIPLE
    serviceextinfo          /etc/nagiosgrapher/nagios3/serviceextinfo.cfg
    serviceext_path         /etc/nagiosgrapher/nagios3/serviceext

    url                     /cgi-bin/nagios3/graphs.cgi
    #notes_url              /wiki/index.php/$HOSTNAME$#$SERVICEDESC$
    notes_url               ""

    nagios_config           /etc/nagios3/nagios.cfg
    cgi_config              /etc/nagios3/cgi.cfg

    icon_image_tag          'dot.png' border="0"></a><A TARGET="_blank"
HREF='gr
aphs.cgi?___URL___'><img src='___IMAGESRC___' '
    icon_image_src          /nagios3/images/graph.png
    icon_image_script
/cgi-bin/nagios3/rrd2-system.cgi?___URL___&start=-54
00&title=Actual&width=20&height=20&type=AVERAGE&only-graph=true
    icon_image_static       false

    log_file                /var/log/nagiosgrapher/ngraph.log
    log_level                1

    rrd_color_background    ffffff
    rrd_color_font          333333
    rrd_color_arrow         ff0000
    rrd_color_frame         ffffff
    rrd_color_grid
    rrd_color_canvas        ffffff
    rrd_color_shadea        c0c0c0
    rrd_color_shadeb        c0c0c0

    fe_use_browser_all      false
    fe_use_browser_for      nagiosadmin
    fe_use_browser_url      false

    fe_use_timefilter       true

    use_authentication      true

    #
    # HOOKS: Comma seperated list of perl modules ...

    # All hooks before an srvext entry is created
    # hooks_serviceext        NagiosGrapher::Hooks::SrvExtTest

    # Hooks before RRD is updated
    # hooks_rrdupdate         NagiosGrapher::Hooks::RRDUpdateTest

    # Example hook for writing a hostextinfo
    # With the action=hostgraph example ...
    # The module runs under hooks_serviceext too ...
    # hooks_rrdupdate         NagiosGrapher::Hooks::SrvExtWriteHostextInfo


    # Bevor Multi- and Singlegraphs, but different types.
    # Hooks before an image is displayed
    # hooks_imagegraph        NagiosGrapher::Hooks::ImageGraphTest

    # Example for invoking multiple hooks ...
    # hooks_imagegraph
NagiosGrapher::Hooks::ImageGraphTest,NagiosGrapher
::Hooks::ImageGraphTest

}

# Includes
cfg_dir=/etc/nagiosgrapher/ngraph.d

# [EOF] (Don't remove this line ...)

Then i have changed all the other settings on nagios.cfg :


 process_peformance_data=1

service_perfdata_command=ngraph-process-service-perfdata-pipe.


All the graphs are blank on the services, and the rdd file contains all my
hosts. and there have been created at well in
/etc/nagiosgrapher/nagios3/servicext/

Anyone out there with an idea, if you require any other information i will
gladly provide so as to help resolve this issue.

Regards
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