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From YunHee Kang <yunh.k...@gmail.com>
Subject Re: Problem when running pushpull
Date Thu, 26 Jul 2012 22:37:01 GMT
Hi Brian,

I attach a tar file including etc and policy directories.

Thanks,
Yunhee

2012/7/27 Brian Foster <holenoter@mac.com>:
> Hey YunHee,
>
> send me a tarball with your etc and policy directories i will spend some
> time today figuring out what is going on here
>
> -brian
>
>
> On Jul 26, 2012, at 01:26 AM, YunHee Kang <yunh.kang@gmail.com> wrote:
>
> Hi Brian,
>
> I just applied the patch you made according to the following steps:
> cd apache-oodt-0.4-src/pushpull
> patch -p0 < OODT-476.2012-07-25.txt
> mvn clean
> mvn install
> cp target/cas-pushpull-0.4.jar ~/oodt/cas-pushpull/lib/
>
> After I got a new cas-pushpull-0.4.jar,
> yhkang@yunhee-kisti:~/oodt/cas-pushpull/lib$ ls -l cas-pushpull-0.4.jar
> -rw-r--r-- 1 yhkang yhkang 422602 2012-07-26 16:58 cas-pushpull-0.4.jar
> I ran the script pushpull.
>
>
> But the same error message was generated:
>
> INFO: Successfully connected to ftp://l4ftl01.larc.nasa.gov with
> protocol 'org.apache.oodt.cas.protocol.ftp.CommonsNetFtpProtocol' and
> username 'anonymous'
> Jul 26, 2012 5:12:56 PM
> org.apache.oodt.cas.pushpull.retrievalsystem.RetrievalSetup
> retrieveFiles
> SEVERE: Failed to finish downloading per property files
> /home/yhkang/oodt/cas-pushpull/etc/examples/DirStructXmlParserFiles/TESL2CO2.xml
> : null
> java.lang.NullPointerException
> at
> org.apache.oodt.cas.pushpull.retrievalsystem.FileRetrievalSystem.validate(FileRetrievalSystem.java:368)
> at
> org.apache.oodt.cas.pushpull.retrievalsystem.FileRetrievalSystem.changeToDir(FileRetrievalSystem.java:312)
> at
> org.apache.oodt.cas.pushpull.retrievalsystem.FileRetrievalSystem.changeToDir(FileRetrievalSystem.java:301)
> at
> org.apache.oodt.cas.pushpull.retrievalmethod.RemoteCrawler.processPropFile(RemoteCrawler.java:104)
> at
> org.apache.oodt.cas.pushpull.retrievalsystem.RetrievalSetup.retrieveFiles(RetrievalSetup.java:109)
> at org.apache.oodt.cas.pushpull.daemon.Daemon$1.run(Daemon.java:218)
> at java.lang.Thread.run(Thread.java:662)
>
> Could you check a class name for handling ftp protocol ?
> I used "CommonsNetFtpProtocolFactory.class" in the jar named
> "cas-protocol-ftp-0.4.jar".
> The class file was described in the file ProtocolFactoryInfo.xml as follows:
> <protocol type="ftp">
> ....
> <!-- cas-protocol-ftp-0.4.jar -->
> <!--protocolFactory
> class="org.apache.oodt.cas.protocol.ftp.CommonsNetFtpClientFactory"/-->
> <protocolFactory
> class="org.apache.oodt.cas.protocol.ftp.CommonsNetFtpProtocolFactory"/>
> </protocol>
>
> Thanks,
> Yunhee
>
>
>
>
> 2012/7/26 Brian Foster <holenoter@mac.com>:
>> hey Yunhee,
>>
>> i just realized that your probably not on the dev list and my last email
>> just went to the list and didn't have you cc'ed
>>
>> try the patch attached to this issue mentioned below...
>>
>> -brian
>>
>> Begin forwarded message:
>>
>> From: Brian Foster <holenoter@mac.com>
>> Date: July 25, 2012 12:43:10 AM
>> To: dev@oodt.apache.org,dev@oodt.apache.org
>> Subject: Re: Problem when running pushpull
>>
>> hey Yunhee,
>>
>> Try patching your pushpull code with the fix i've attached to issue:
>>
>> https://issues.apache.org/jira/browse/OODT-476
>>
>> -brian
>>
>> On Jul 24, 2012, at 09:24 PM, YunHee Kang <yunh.kang@gmail.com> wrote:
>>
>> Hi Brian,
>>
>> I changed the file RetrievalSetup.java to get the stacktrace.
>> So I got a new cas-pushpull-0.4.jar after rebuilt it.
>>
>> The following is a message including the stacktrace with information
>> about excpetion propation.
>>
>> SEVERE: Failed to finish downloading per property files
>>
>> /home/yhkang/oodt/cas-pushpull/etc/examples/DirStructXmlParserFiles/RTG_SST.xml
>> : null
>> java.lang.NullPointerException
>> at
>>
>> org.apache.oodt.cas.pushpull.retrievalsystem.FileRetrievalSystem.validate(FileRetrievalSystem.java:367)
>> at
>>
>> org.apache.oodt.cas.pushpull.retrievalsystem.FileRetrievalSystem.changeToDir(FileRetrievalSystem.java:311)
>> at
>>
>> org.apache.oodt.cas.pushpull.retrievalsystem.FileRetrievalSystem.changeToDir(FileRetrievalSystem.java:300)
>> at
>>
>> org.apache.oodt.cas.pushpull.retrievalmethod.RemoteCrawler.processPropFile(RemoteCrawler.java:103)
>> at
>>
>> org.apache.oodt.cas.pushpull.retrievalsystem.RetrievalSetup.retrieveFiles(RetrievalSetup.java:109)
>> at org.apache.oodt.cas.pushpull.daemon.Daemon$1.run(Daemon.java:218)
>> at java.lang.Thread.run(Thread.java:662)
>>
>> Please let me know what java programs I check frist.
>>
>> Thanks,
>>
>> Yunhee
>> 2012/7/25 Brian Foster <holenoter@mac.com>:
>>> YunHee,
>>>
>>> There is a NullPointerException being thrown... on line 118 of
>>> org.apache.oodt.cas.pushpull.retrievalsystem.RetrievalSetup.java change
>>> it
>>>
>>> rebuild and deploy and that should give you the stacktrace which will
>>> answer
>>> what is going on here.
>>>
>>> -brian
>>>
>>>
>>> On Jul 24, 2012, at 10:51 AM, "Mattmann, Chris A (388J)"
>>
>>> <chris.a.mattmann@jpl.nasa.gov> wrote:
>>>
>>> Hi YunHee,
>>>
>>> Thanks for your mail.
>>>
>>> Let me take a look at the configs again. Does anyone else using
>>> PushPull have any advice for YunHee here? That error message
>>> seems to indicate there is a config file error somewhere. I'm wondering
>>> if your etc/push_pull_framework.properties has all the right values
>>> in there. Did you go through Cameron's guide to getting Push Pull
>>> running on the wiki?
>>>
>>> Cheers,
>>> Chris
>>
>>>
>>> On Jul 24, 2012, at 10:48 AM, YunHee Kang wrote:
>>>
>>>> Hi Chris,
>>>>
>>>> There are some problems in the configuration files.
>>>> I found there is a dead link which does not connect two information
>>>> in two files :RemoteSpecs.xml and ExternalSources.xml.
>>>> For example an alias named "DewFtp" in RemoteSpecs.xml has no
>>>> associated source in "ExternalSources.xml.
>>>>
>>>> After I tailored those two XML files, I just tested one of
>>>> configurations, whose alias is PolarNcepNoaaFtp.
>>>> I also faced the same problem as follows:
>>>>
>>>> INFO: Successfully connected to ftp://polar.ncep.noaa.gov with
>>>> protocol 'org.apache.oodt.cas.protocol.ftp.CommonsNetFtpProtocol' and
>>>> username 'anonymous'
>>>> Jul 25, 2012 2:21:04 AM
>>>> org.apache.oodt.cas.pushpull.retrievalsystem.RetrievalSetup
>>>> retrieveFiles
>>>> SEVERE: Failed to finish downloading per property files
>>>>
>>>>
>>>>
>>>> /home/yhkang/oodt/cas-pushpull/etc/examples/DirStructXmlParserFiles/RTG_SST.xml
>>>> : null
>>>> Jul 25, 2012 2:21:04 AM org.apache.oodt.cas.pushpull.daemon.Daemon sleep
>>>>
>>>>
>>>> Thanks,
>>>> Yunhee
>>>>
>>>> 2012/7/25 Mattmann, Chris A (388J) <chris.a.mattmann@jpl.nasa.gov>:
>>>>> Hi YunHee,
>>>>>
>>>>> Thanks!
>>>>>
>>>>> Cheers,
>>>>> Chris
>>
>>>>>
>>>>> On Jul 24, 2012, at 9:54 AM, YunHee Kang wrote:
>>>>>
>>>>>> Hi Chris,
>>>>>>
>>>>>>> Thanks, can you try some of the other XML file configs.
>>>>>> Yes, I will try it and let you know its result.
>>>>>>
>>>>>>> Maybe it's being blocked in your country,
>>>>>> That site may be blocked.
>>>>>>
>>>>>>
>>>>>> Thanks,
>>>>>> Yunhee
>>>>>>
>>>>>> 2012/7/25 Mattmann, Chris A (388J) <chris.a.mattmann@jpl.nasa.gov>:
>>>>>>> Hi YunHee,
>>>>>>>
>>
>>>>>>> Thanks, can you try some of the other XML file configs. Maybe
it's
>>>>>>> being
>>>>>>> blocked in your country, or something, but let's see if we can
get
>>>>>>> some
>>>>>>> of the other XML RemoteSpec configs to work?
>>>>>>>
>>>>>>> Cheers,
>>>>>>> Chris
>>>>>>>
>>>>>>> On Jul 24, 2012, at 9:40 AM, YunHee Kang wrote:
>>>>>>>
>>>>>>>> Hi Chris,
>>>>>>>>
>>>>>>>>
>>>>>>>>> Try out the MODIS one there, does that work?
>>>>>>>> No, it doesn't.
>>>>>>>> I think that the ftp site e4ftl01u.ecs.nasa.gov has a connection
>>>>>>>> problem.
>>>>>>>>
>>>>>>>> $ ftp e4ftl01u.ecs.nasa.gov
>>>>>>>> ftp: connect: Connection timed out
>>>>>>>> ftp>
>>>>>>>>
>>>>>>>> The message below also say the reason why the problem was
occurred.
>>>>>>>> WARNING: Error occurred while connecting to RemoteSite: alias
=
>>>>>>>> 'ModisFtp' url = 'ftp://e4ftl01u.ecs.nasa.gov' username =
>>>>>>>> 'anonymous' cdTestDir = 'null' maxConnections = '-1' : Failed
to
>>>>>>>> connect to server : Connection timed out
>>>>>>>> Jul 25, 2012 1:31:25 AM
>>>>>>>> org.apache.oodt.cas.pushpull.protocol.ProtocolHandler connect
>>>>>>>> INFO: Will retry connecting to RemoteSite: alias = 'ModisFtp'
url =
>>>>>>>> 'ftp://e4ftl01u.ecs.nasa.gov' username = 'anonymous' cdTestDir
=
>>>>>>>> 'null' maxConnections = '-1' in 5 seconds
>>>>>>>> Waiting . . . . .
>>>>>>>>
>>>>>>>> Thanks,
>>>>>>>> Yunhee
>>>>>>>>
>>>>>>>> 2012/7/25 Mattmann, Chris A (388J) <chris.a.mattmann@jpl.nasa.gov>:
>>>>>>>>> Hi YunHee,
>>>>>>>>>
>>
>>>>>>>>> OK, can you try some of the other files, e.g., the ones
in:
>>>>>>>>>
>>>>>>>>> http://s.apache.org/ks0
>>>>>>>>>
>>>>>>>>> Try out the MODIS one there, does that work?
>>>>>>>>>
>>>>>>>>> Cheers,
>>>>>>>>> Chris
>>>>>>>>>
>>>>>>>>> On Jul 24, 2012, at 8:38 AM, YunHee Kang wrote:
>>>>>>>>>
>>>>>>>>>> Hi Chris,
>>>>>>>>>>
>>>>>>>>>> I added the header of XML as follows:
>>>>>>>>>> <?xml version="1.0"?>
>>>>>>>>>>
>>>>>>>>>> Next the value of elements was changed into specific
one.
>>>>>>>>>> The following is the output of the XML:
>>>>>>>>>> <?xml version="1.0"?>
>>>>>>>>>> <root>
>>>>>>>>>> <dirstruct starting_path="/TES/TL2CO2N.005">
>>>>>>>>>> <nofiles/>
>>>>>>>>>> <!--dir name="\d{4}\.\d{2}\.\d{2}"-->
>>>>>>>>>> <dir name="2004\.09\.20">
>>>>>>>>>> <nodirs/>
>>>>>>>>>> <!--file
>>>>>>>>>> name="TES-Aura\_L2-CO2-Nadir\_r\d{10}\w{2}\d{2}\w\d{2}\.he5"/-->
>>>>>>>>>> <file name="TES-Aura\_L2-CO2-Nadir\_r0000002147\_F06\_09\.he5"/>
>>>>>>>>>> </dir>
>>>>>>>>>> </dirstruct>
>>>>>>>>>> </root>
>>>>>>>>>>
>>>>>>>>>> Unfortunately I got the same result before:
>>>>>>>>>> ...
>>>>>>>>>> INFO: Testing protocol
>>>>>>>>>> org.apache.oodt.cas.protocol.ftp.CommonsNetFtpProtocol
. . . this
>>>>>>>>>> ma
>>>>>>>>>> y take a few minutes . . .
>>>>>>>>>> Jul 25, 2012 12:30:03 AM
>>>>>>>>>> org.apache.oodt.cas.pushpull.protocol.ProtocolHandler
connect
>>>>>>>>>> INFO: Successfully connected to ftp://l4ftl01.larc.nasa.gov
with
>>>>>>>>>> protocol 'org.apache.oodt.
>>>>>>>>>> cas.protocol.ftp.CommonsNetFtpProtocol' and username
'anonymous'
>>>>>>>>>> Jul 25, 2012 12:30:03 AM
>>>>>>>>>> org.apache.oodt.cas.pushpull.retrievalsystem.RetrievalSetup
retrie
>>>>>>>>>> veFiles
>>>>>>>>>> SEVERE: Failed to finish downloading per property
files
>>>>>>>>>> /home/yhkang/oodt/cas-pushpull/etc/
>>>>>>>>>> examples/DirStructXmlParserFiles/TESL2CO2.xml : null
>>>>>>>>>> Jul 25, 2012 12:30:04 AM
>>>>>>>>>> org.apache.oodt.cas.pushpull.daemon.Daemon
>>>>>>>>>> sleep
>>>>>>>>>> INFO: Daemon with ID = 91131 on RMI registry port
9113 is going to
>>>>>>>>>> sleep until Wed Jul 25 0
>>>>>>>>>> ...
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Thanks,
>>>>>>>>>> Yunhee
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> 2012/7/25 Mattmann, Chris A (388J)
>>>>>>>>>> <chris.a.mattmann@jpl.nasa.gov>:
>>>>>>>>>>> Hi YunHee,
>>>>>>>>>>>
>>
>>>>>>>>>>> Can you try simply putting a specific <dir
name="..."> instead of
>>>>>>>>>>> \d{4}, etc., and
>>>>>>>>>>> then can you put a specific file name in the
<file name="..">. If
>>>>>>>>>>> that works and
>>>>>>>>>>> downloads, then we know there is something up
with the regex
>>>>>>>>>>> somehow.
>>>>>>>>>>> Also can you try adding the <?xml version="1.0"?>
start to your
>>>>>>>>>>> file?
>>>>>>>>>>>
>>>>>>>>>>> Cheers,
>>>>>>>>>>> Chris
>>>>>>>>>>>
>>>>>>>>>>> On Jul 24, 2012, at 8:16 AM, YunHee Kang wrote:
>>>>>>>>>>>
>>>>>>>>>>>> Hi Chris,
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> The following is the content of TESL2CO2.xml.
>>>>>>>>>>>> $ cat
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> /home/yhkang/oodt/cas-pushpull/etc/examples/DirStructXmlParserFiles/TESL2CO2.xml
>>>>>>>>>>>> <root>
>>>>>>>>>>>> <dirstruct starting_path="/TES/TL2CO2N.005">
>>>>>>>>>>>> <nofiles/>
>>>>>>>>>>>> <dir name="\d{4}\.\d{2}\.\d{2}">
>>>>>>>>>>>> <nodirs/>
>>>>>>>>>>>> <file
>>>>>>>>>>>> name="TES-Aura\_L2-CO2-Nadir\_r\d{10}\w{2}\d{2}\w\d{2}\.he5"/>
>>>>>>>>>>>> </dir>
>>>>>>>>>>>> </dirstruct>
>>>>>>>>>>>> </root>
>>>>>>>>>>>>
>>>>>>>>>>>> Let me know if there is a problem in the
configuration file.
>>>>>>>>>>>>
>>>>>>>>>>>> Thanks,
>>>>>>>>>>>> Yunhee
>>>>>>>>>>>>
>>>>>>>>>>>> 2012/7/24 Mattmann, Chris A (388J)
>>>>>>>>>>>> <chris.a.mattmann@jpl.nasa.gov>:
>>>>>>>>>>>>> Hi YunHee,
>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Jul 24, 2012, at 12:30 AM, YunHee
Kang wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> Hi Chris,
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> I am stuck on the problem related
with "pushpull" script
>>>>>>>>>>>>>> occurred
>>>>>>>>>>>>>> the following error message:
>>>>>>>>>>>>>> ....
>>>>>>>>>>>>>> INFO: Testing protocol
>>>>>>>>>>>>>> org.apache.oodt.cas.protocol.ftp.CommonsNetFtpProtocol
. . .
>>>>>>>>>>>>>> this may
>>>>>>>>>>>>>> take a few minutes . . .
>>>>>>>>>>>>>> Jul 24, 2012 4:05:02 PM
>>>>>>>>>>>>>> org.apache.oodt.cas.pushpull.protocol.ProtocolHandler
connect
>>>>>>>>>>>>>> INFO: Successfully connected to ftp://l4ftl01.larc.nasa.gov
>>>>>>>>>>>>>> with
>>>>>>>>>>>>>> protocol
>>>>>>>>>>>>>> 'org.apache.oodt.cas.protocol.ftp.CommonsNetFtpProtocol'
and
>>>>>>>>>>>>>> username 'anonymous'
>>>>>>>>>>>>>> Jul 24, 2012 4:05:02 PM
>>>>>>>>>>>>>> org.apache.oodt.cas.pushpull.retrievalsystem.RetrievalSetup
>>>>>>>>>>>>>> retrieveFiles
>>>>>>>>>>>>>> SEVERE: Failed to finish downloading
per property files
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> /home/yhkang/oodt/cas-pushpull/etc/examples/DirStructXmlParserFiles/TESL2CO2.xml
>>>>>>>>>>>>>> : null
>>>>>>>>>>>>>
>>>>>>>>>>>>> Can you do me a favor and simply run
this command:
>>>>>>>>>>>>>
>>>>>>>>>>>>> cat
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> /home/yhkang/oodt/cas-pushpull/etc/examples/DirStructXmlParserFiles/TESL2CO2.xml
>>>>>>>>>>>>>
>>>>>>>>>>>>> What do you get?
>>>>>>>>>>>>>
>>>>>>>>>>>>>> Jul 24, 2012 4:05:02 PM
>>>>>>>>>>>>>> org.apache.oodt.cas.pushpull.daemon.Daemon
sleep
>>>>>>>>>>>>>> INFO: Daemon with ID = 91131 on RMI
registry port 9113 is
>>>>>>>>>>>>>> going
>>>>>>>>>>>>>> to
>>>>>>>>>>>>>> sleep until Tue Jul 24 16:06:00 KST
2012
>>>>>>>>>>>>>> Jul 24, 2012 4:06:00 PM
>>>>>>>>>>>>>> org.apache.oodt.cas.pushpull.daemon.DaemonManager
setAsRunning
>>>>>>>>>>>>>> INFO: Daemon with ID = 91131 was
given permission to run
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> org.apache.oodt.cas.pushpull.filerestrictions.parsers.DirStructXmlParser
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> First of all, I would like test the
pushpull framework to move
>>>>>>>>>>>>>> data
>>>>>>>>>>>>>> written in NetCDF from a remote site
by a network protocols
>>>>>>>>>>>>>> (like ftp,
>>>>>>>>>>>>>> http, etc).
>>>>>>>>>>>>>
>>>>>>>>>>>>> Yep, sounds good.
>>>>>>>>>>>>>
>>>>>>>>>>>>>> I think that there is a test suite
which can be used to check
>>>>>>>>>>>>>> the
>>>>>>>>>>>>>> pushpull framework.
>>>>>>>>>>>>>> Can you give configuration files(a
set of XML files) that I
>>>>>>>>>>>>>> can
>>>>>>>>>>>>>> test
>>>>>>>>>>>>>> downloading files from a FTP site
(public anonymous site) ?
>>>>>>>>>>>>>
>>>>>>>>>>>>> The examples in the resources directory
that you found should
>>>>>>>>>>>>> work
>>>>>>>>>>>>> so we'll just need to figure out why
they aren't working on
>>>>>>>>>>>>> your
>>>>>>>>>>>>> system.
>>>>>>>>>>>>>
>>>>>>>>>>>>>> or
>>>>>>>>>>>>>> Please let me know a reference implementation
of pushpull
>>>>>>>>>>>>>> framework
>>>>>>>>>>>>>> that I can use to move NetCDF files.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Thanks we'll figure this out.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Cheers,
>>>>>>>>>>>>> Chris
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>>>>>>>> Chris Mattmann, Ph.D.
>>>>>>>>>>>>> Senior Computer Scientist
>>>>>>>>>>>>> NASA Jet Propulsion Laboratory Pasadena,
CA 91109 USA
>>>>>>>>>>>>> Office: 171-266B, Mailstop: 171-246
>>>>>>>>>>>>> Email: chris.a.mattmann@nasa.gov
>>>>>>>>>>>>> WWW: http://sunset.usc.edu/~mattmann/
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>>>>>>>> Adjunct Assistant Professor, Computer
Science Department
>>>>>>>>>>>>> University of Southern California, Los
Angeles, CA 90089 USA
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>>>>>> Chris Mattmann, Ph.D.
>>>>>>>>>>> Senior Computer Scientist
>>>>>>>>>>> NASA Jet Propulsion Laboratory Pasadena, CA 91109
USA
>>>>>>>>>>> Office: 171-266B, Mailstop: 171-246
>>>>>>>>>>> Email: chris.a.mattmann@nasa.gov
>>>>>>>>>>> WWW: http://sunset.usc.edu/~mattmann/
>>>>>>>>>>>
>>>>>>>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>>>>>> Adjunct Assistant Professor, Computer Science
Department
>>>>>>>>>>> University of Southern California, Los Angeles,
CA 90089 USA
>>>>>>>>>>>
>>>>>>>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>>>> Chris Mattmann, Ph.D.
>>>>>>>>> Senior Computer Scientist
>>>>>>>>> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
>>>>>>>>> Office: 171-266B, Mailstop: 171-246
>>>>>>>>> Email: chris.a.mattmann@nasa.gov
>>>>>>>>> WWW: http://sunset.usc.edu/~mattmann/
>>>>>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>>>> Adjunct Assistant Professor, Computer Science Department
>>>>>>>>> University of Southern California, Los Angeles, CA 90089
USA
>>>>>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>> Chris Mattmann, Ph.D.
>>>>>>> Senior Computer Scientist
>>>>>>> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
>>>>>>> Office: 171-266B, Mailstop: 171-246
>>>>>>> Email: chris.a.mattmann@nasa.gov
>>>>>>> WWW: http://sunset.usc.edu/~mattmann/
>>>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>> Adjunct Assistant Professor, Computer Science Department
>>>>>>> University of Southern California, Los Angeles, CA 90089 USA
>>>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>>>
>>>>>
>>>>>
>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>> Chris Mattmann, Ph.D.
>>>>> Senior Computer Scientist
>>>>> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
>>>>> Office: 171-266B, Mailstop: 171-246
>>>>> Email: chris.a.mattmann@nasa.gov
>>>>> WWW: http://sunset.usc.edu/~mattmann/
>>>>> Phone: +1 (818) 354-8810
>>
>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>> Adjunct Assistant Professor, Computer Science Department
>>>>> University of Southern California, Los Angeles, CA 90089 USA
>>>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>>
>>>
>>>
>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>> Chris Mattmann, Ph.D.
>>> Senior Computer Scientist
>>> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
>>> Office: 171-266B, Mailstop: 171-246
>>> Email: chris.a.mattmann@nasa.gov
>>> WWW: http://sunset.usc.edu/~mattmann/
>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>> Adjunct Assistant Professor, Computer Science Department
>>> University of Southern California, Los Angeles, CA 90089 USA
>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>

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