perfSONAR User Q&A and Other Discussion

[Sven Ubik <>]

> It's difficult to say where is the problem. In my opinion sometimes the
> best solution in such situation is to remove perfSONAR (including
> Tomcat/Axis) stuff and install/configure it from scratch (following the
> Installation Guide).

We tried to follow installation instructions exactly. Complete
reinstallation is of course time consuming and I would prefer
to find the cause of this error. Is this Java exception meaningful
to somebody?

Regards,

Sven

> > we tried to upgrade to perfSONAR HEAD Java version. It accepts messages
> > in old format with "perfsonar" namespace, but the same request in the
> > new "nmwg" namespace fails:
> >
> >      [java] End point:
> > http://localhost:8080/axis/services/MeasurementArchiveService
> >      [java] Request file:
> > /usr/local/sonarHEAD/perfsonar/schema/example-instances/sonar/SetupDataRequest-FilterRRDSelect-Cesnet.xml
> >      [java] Response file:
> > /usr/local/sonarHEAD/perfsonar/conf/response.xml
> >      [java] SOAPClient.makeRequest: General exception encountered by
> > client
> >      [java] AxisFault
> >      [java]  faultCode:
> > {http://schemas.xmlsoap.org/soap/envelope/}Server.userException
> >      [java]  faultSubcode:
> >      [java]  faultString: java.util.EmptyStackException
> >
> >
> > Both messages are attached as request.xml and request2.xml.
> >
> > Can anybody suggest me where can be the problem?
> >
> > Thanks.
> >
> > Regards,
> >
> > Sven Ubik
> >
> > ------------------------------------------------------------------------
> >
> > <perfsonar:message id="msg4"
> >             type="SetupDataRequest"
> >             timeValue="1127250480"
> >             timeType="unix"
> >             xmlns:perfsonar="http://perfsonar.org/ns/perfsonar/";
> >             xmlns:nmwg="http://ggf.org/ns/nmwg/";
> >             xmlns:nmwgt="http://ggf.org/ns/nmwg/topology/";
> >             
> > xmlns:rrdfile="http://perfsonar.org/ns/perfsonar/keys/rrdfile/";
> >             xmlns:select="http://ggf.org/ns/nmwg/ops/select/";>
> >
> >   <perfsonar:metadata id="meta1">
> >     <perfsonar:subject id="iusub1">
> >       <nmwgt:interface>
> >         <nmwgt:direction>in</nmwgt:direction>
> >       </nmwgt:interface>
> >     </perfsonar:subject>
> >     <nmwg:characteristic>utilization</nmwg:characteristic>
> >   </perfsonar:metadata>
> >
> >   <perfsonar:metadata id="meta2">
> >     <perfsonar:subject id="iusub2" metadataIdRef="meta1"/>
> >     <nmwg:characteristic>select</nmwg:characteristic>
> >     <select:parameters id="param1">
> >         <select:parameter name="startTime">1134041680</select:parameter>
> >         <select:parameter name="endTime">1134041750</select:parameter>
> >         <select:parameter 
> > name="consolidationFunction">AVERAGE</select:parameter>
> >         <select:parameter name="resolution">5</select:parameter>
> >     </select:parameters>
> >   </perfsonar:metadata>
> >
> >   <perfsonar:data id="data1" metadataIdRef="meta2"/>
> >
> > </perfsonar:message>
> >
> > ------------------------------------------------------------------------
> >
> > <?xml version='1.0' encoding='UTF-8'?>
> >
> > <nmwg:message id="msg3"
> >               type="SetupDataRequest"
> >               
> > xmlns:netutil="http://ggf.org/ns/nmwg/characteristic/utilization/2.0/";
> >               xmlns:nmwg="http://ggf.org/ns/nmwg/base/2.0/";
> >               xmlns:select="http://ggf.org/ns/nmwg/ops/select/2.0/";>
> >
> >   <!-- Optional message level parameters -->
> >   <nmwg:parameters id="msgparam1">
> >     <nmwg:parameter name="authToken">Cesnet</nmwg:parameter>
> >     <nmwg:parameter name="timeValue">1127250480</nmwg:parameter>
> >     <nmwg:parameter name="timeType">unix</nmwg:parameter>
> >   </nmwg:parameters>
> >
> >   <nmwg:metadata id="meta1">
> >     <nmwg:key>
> >       <nmwg:parameters id="param1">
> >         <nmwg:parameter 
> > name="file">/usr/local/sonar/snmp_rrd/cesnet_gn2.rrd</nmwg:parameter>
> >         <nmwg:parameter name="dataSource">bytes_in</nmwg:parameter>
> >       </nmwg:parameters>
> >     </nmwg:key>
> >   </nmwg:metadata>
> >
> >   <!-- The second metadata is used to filter the results of the first 
> > operation,
> >        this basically means our 'subject' is the first metadata block, 
> > then we
> >        apply a parameter block to limit/transform the resulting data. -->
> >   <nmwg:metadata id="meta2">
> >     <select:subject id="iusub2" metadataIdRef="meta1"/>
> >
> >     <select:parameters id="param1">
> >       <nmwg:parameter name="startTime">1134041680</nmwg:parameter>
> >       <nmwg:parameter name="endTime">1134041750</nmwg:parameter>
> >       <nmwg:parameter 
> > name="consolidationFunction">AVERAGE</nmwg:parameter>
> >       <nmwg:parameter name="resolution">5</nmwg:parameter>
> >     </select:parameters>
> >
> >     <nmwg:eventType>select</nmwg:eventType>
> >
> >   </nmwg:metadata>
> >
> >   <!-- This is the specific data we wish to see -->
> >   <nmwg:data id="data1" metadataIdRef="meta2"/>
> >
> > </nmwg:message>