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Posted to dev@nutch.apache.org by "Mattmann, Chris A (3980)" <ch...@jpl.nasa.gov> on 2014/08/14 00:07:20 UTC
Re: Nutch 1.9
CC'ing dev@nutch.
Nutch'ers - question from JPL peeps below on protocol-httpclient.
FYI. if you could chime in would be great!
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Chris Mattmann, Ph.D.
Chief Architect
Instrument Software and Science Data Systems Section (398)
NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
Office: 168-519, Mailstop: 168-527
Email: chris.a.mattmann@nasa.gov
WWW: http://sunset.usc.edu/~mattmann/
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Adjunct Associate Professor, Computer Science Department
University of Southern California, Los Angeles, CA 90089 USA
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-----Original Message-----
From: <Kieu>, "Phu (172C-Affiliate)" <Ph...@jpl.nasa.gov>
Date: Wednesday, August 13, 2014 3:00 PM
To: Chris Mattmann <Ch...@jpl.nasa.gov>, "Mcgibbney, Lewis J
(398J)" <Le...@jpl.nasa.gov>, "Liu, Jeff Y (172B)"
<Je...@jpl.nasa.gov>
Subject: Re: Nutch 1.9
>Https support is a must for us.
>
>On 08/13/2014, 14:27, "Mattmann, Chris A (3980)"
><ch...@jpl.nasa.gov> wrote:
>
>>hrm, any reason to switch to httpclient? Why not just keep http?
>>
>>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>Chris Mattmann, Ph.D.
>>Chief Architect
>>Instrument Software and Science Data Systems Section (398)
>>NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
>>Office: 168-519, Mailstop: 168-527
>>Email: chris.a.mattmann@nasa.gov
>>WWW: http://sunset.usc.edu/~mattmann/
>>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>Adjunct Associate Professor, Computer Science Department
>>University of Southern California, Los Angeles, CA 90089 USA
>>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>
>>
>>
>>
>>
>>
>>-----Original Message-----
>>From: <Kieu>, "Phu (172C-Affiliate)" <Ph...@jpl.nasa.gov>
>>Date: Wednesday, August 13, 2014 2:20 PM
>>To: "Mcgibbney, Lewis J (398J)" <Le...@jpl.nasa.gov>, "Liu,
>>Jeff Y (172B)" <Je...@jpl.nasa.gov>
>>Cc: Chris Mattmann <Ch...@jpl.nasa.gov>
>>Subject: Re: Nutch 1.9
>>
>>>Thanks for the heads up.
>>>
>>>We switched over to trunk last week, and it looks good.
>>>
>>>A question about protocol-http however:
>>>
>>>What does it support and not support?
>>>
>>>We¹ve been using protocol-httpclient from the beginning, and it¹s been
>>>working fine. Switching over to protocol-http is currently giving us an
>>>SSL exception.
>>>
>>>On 08/12/2014, 22:59, "Mcgibbney, Lewis J (398J)"
>>><Le...@jpl.nasa.gov> wrote:
>>>
>>>>Hi Folks,
>>>>
>>>>Just a quick note to say that there is a release candidate out for
>>>>Nutch
>>>>1.9.
>>>>The proposed release report can be found here[0], you can check it for
>>>>some issues which may help with your deployment for JPLSpace.
>>>>Would be great to hear if you have any further problems using the
>>>>software.
>>>>Best
>>>>Lewis
>>>>
>>>>[0]
>>>>https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=10680&
>>>>v
>>>>e
>>>>r
>>>>s
>>>>ion=12324611
>>>>
>>>
>>
>
Re: Nutch 1.9
Posted by Markus Jelsma <ma...@openindex.io>.
Hi - stick to protocol-http if you can and configure the plugins to only
use protocol-httpclient for HTTPS connections. Contrary to
protocol-http, the protocol-httpclient plugin has trouble with not
properly encoded URL's, but it can easily be resolved by adapting the
URL normalizers.
We operate such a configuration and deal with both protocols without
significant issues, so it can be done. Do make sure you use the latest
Nutch, there are some advances we committed recently, also to support
SSL for protocol-http based on work from Aloisius at github we worked on
for Nutch, which Julien kindly committed. So Nutch 1.9, which is ready
to take off, supports SSL using two protocol plugins.
https://issues.apache.org/jira/browse/NUTCH-1676
On Wednesday 13 August 2014 22:07:20 Mattmann, Chris A wrote:
> CC'ing dev@nutch.
>
> Nutch'ers - question from JPL peeps below on protocol-httpclient.
> FYI. if you could chime in would be great!
>
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Chris Mattmann, Ph.D.
> Chief Architect
> Instrument Software and Science Data Systems Section (398)
> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
> Office: 168-519, Mailstop: 168-527
> Email: chris.a.mattmann@nasa.gov
> WWW: http://sunset.usc.edu/~mattmann/
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Adjunct Associate Professor, Computer Science Department
> University of Southern California, Los Angeles, CA 90089 USA
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
>
>
>
>
>
> -----Original Message-----
> From: <Kieu>, "Phu (172C-Affiliate)" <Ph...@jpl.nasa.gov>
> Date: Wednesday, August 13, 2014 3:00 PM
> To: Chris Mattmann <Ch...@jpl.nasa.gov>, "Mcgibbney, Lewis J
> (398J)" <Le...@jpl.nasa.gov>, "Liu, Jeff Y (172B)"
> <Je...@jpl.nasa.gov>
> Subject: Re: Nutch 1.9
>
>
> >Https support is a must for us.
> >
> >On 08/13/2014, 14:27, "Mattmann, Chris A (3980)"
> ><ch...@jpl.nasa.gov> wrote:
> >
> >
> >>hrm, any reason to switch to httpclient? Why not just keep http?
> >>
> >>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>Chris Mattmann, Ph.D.
> >>Chief Architect
> >>Instrument Software and Science Data Systems Section (398)
> >>NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
> >>Office: 168-519, Mailstop: 168-527
> >>Email: chris.a.mattmann@nasa.gov
> >>WWW: http://sunset.usc.edu/~mattmann/
> >>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>Adjunct Associate Professor, Computer Science Department
> >>University of Southern California, Los Angeles, CA 90089 USA
> >>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>
> >>
> >>
> >>
> >>
> >>
> >>-----Original Message-----
> >>From: <Kieu>, "Phu (172C-Affiliate)" <Ph...@jpl.nasa.gov>
> >>Date: Wednesday, August 13, 2014 2:20 PM
> >>To: "Mcgibbney, Lewis J (398J)" <Le...@jpl.nasa.gov>, "Liu,
> >>Jeff Y (172B)" <Je...@jpl.nasa.gov>
> >>Cc: Chris Mattmann <Ch...@jpl.nasa.gov>
> >>Subject: Re: Nutch 1.9
> >>
> >>
> >>>Thanks for the heads up.
> >>>
> >>>We switched over to trunk last week, and it looks good.
> >>>
> >>>A question about protocol-http however:
> >>>
> >>>What does it support and not support?
> >>>
> >>>We¹ve been using protocol-httpclient from the beginning, and it¹s been
> >>>working fine. Switching over to protocol-http is currently giving us an
> >>>SSL exception.
> >>>
> >>>On 08/12/2014, 22:59, "Mcgibbney, Lewis J (398J)"
> >>><Le...@jpl.nasa.gov> wrote:
> >>>
> >>>
> >>>>Hi Folks,
> >>>>
> >>>>Just a quick note to say that there is a release candidate out for
> >>>>Nutch
> >>>>1.9.
> >>>>The proposed release report can be found here[0], you can check it for
> >>>>some issues which may help with your deployment for JPLSpace.
> >>>>Would be great to hear if you have any further problems using the
> >>>>software.
> >>>>Best
> >>>>Lewis
> >>>>
> >>>>[0]
> >>>>https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=10680&
> >>>>v
> >>>>e
> >>>>r
> >>>>s
> >>>>ion=12324611
> >>>>
> >>>
> >>>
> >>
> >>
> >
> >
>
>
Re: Nutch 1.9
Posted by Markus Jelsma <ma...@openindex.io>.
Hi - stick to protocol-http if you can and configure the plugins to only
use protocol-httpclient for HTTPS connections. Contrary to
protocol-http, the protocol-httpclient plugin has trouble with not
properly encoded URL's, but it can easily be resolved by adapting the
URL normalizers.
We operate such a configuration and deal with both protocols without
significant issues, so it can be done. Do make sure you use the latest
Nutch, there are some advances we committed recently, also to support
SSL for protocol-http based on work from Aloisius at github we worked on
for Nutch, which Julien kindly committed. So Nutch 1.9, which is ready
to take off, supports SSL using two protocol plugins.
https://issues.apache.org/jira/browse/NUTCH-1676
On Wednesday 13 August 2014 22:07:20 Mattmann, Chris A wrote:
> CC'ing dev@nutch.
>
> Nutch'ers - question from JPL peeps below on protocol-httpclient.
> FYI. if you could chime in would be great!
>
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Chris Mattmann, Ph.D.
> Chief Architect
> Instrument Software and Science Data Systems Section (398)
> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
> Office: 168-519, Mailstop: 168-527
> Email: chris.a.mattmann@nasa.gov
> WWW: http://sunset.usc.edu/~mattmann/
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Adjunct Associate Professor, Computer Science Department
> University of Southern California, Los Angeles, CA 90089 USA
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
>
>
>
>
>
> -----Original Message-----
> From: <Kieu>, "Phu (172C-Affiliate)" <Ph...@jpl.nasa.gov>
> Date: Wednesday, August 13, 2014 3:00 PM
> To: Chris Mattmann <Ch...@jpl.nasa.gov>, "Mcgibbney, Lewis J
> (398J)" <Le...@jpl.nasa.gov>, "Liu, Jeff Y (172B)"
> <Je...@jpl.nasa.gov>
> Subject: Re: Nutch 1.9
>
>
> >Https support is a must for us.
> >
> >On 08/13/2014, 14:27, "Mattmann, Chris A (3980)"
> ><ch...@jpl.nasa.gov> wrote:
> >
> >
> >>hrm, any reason to switch to httpclient? Why not just keep http?
> >>
> >>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>Chris Mattmann, Ph.D.
> >>Chief Architect
> >>Instrument Software and Science Data Systems Section (398)
> >>NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
> >>Office: 168-519, Mailstop: 168-527
> >>Email: chris.a.mattmann@nasa.gov
> >>WWW: http://sunset.usc.edu/~mattmann/
> >>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>Adjunct Associate Professor, Computer Science Department
> >>University of Southern California, Los Angeles, CA 90089 USA
> >>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>
> >>
> >>
> >>
> >>
> >>
> >>-----Original Message-----
> >>From: <Kieu>, "Phu (172C-Affiliate)" <Ph...@jpl.nasa.gov>
> >>Date: Wednesday, August 13, 2014 2:20 PM
> >>To: "Mcgibbney, Lewis J (398J)" <Le...@jpl.nasa.gov>, "Liu,
> >>Jeff Y (172B)" <Je...@jpl.nasa.gov>
> >>Cc: Chris Mattmann <Ch...@jpl.nasa.gov>
> >>Subject: Re: Nutch 1.9
> >>
> >>
> >>>Thanks for the heads up.
> >>>
> >>>We switched over to trunk last week, and it looks good.
> >>>
> >>>A question about protocol-http however:
> >>>
> >>>What does it support and not support?
> >>>
> >>>We¹ve been using protocol-httpclient from the beginning, and it¹s been
> >>>working fine. Switching over to protocol-http is currently giving us an
> >>>SSL exception.
> >>>
> >>>On 08/12/2014, 22:59, "Mcgibbney, Lewis J (398J)"
> >>><Le...@jpl.nasa.gov> wrote:
> >>>
> >>>
> >>>>Hi Folks,
> >>>>
> >>>>Just a quick note to say that there is a release candidate out for
> >>>>Nutch
> >>>>1.9.
> >>>>The proposed release report can be found here[0], you can check it for
> >>>>some issues which may help with your deployment for JPLSpace.
> >>>>Would be great to hear if you have any further problems using the
> >>>>software.
> >>>>Best
> >>>>Lewis
> >>>>
> >>>>[0]
> >>>>https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=10680&
> >>>>v
> >>>>e
> >>>>r
> >>>>s
> >>>>ion=12324611
> >>>>
> >>>
> >>>
> >>
> >>
> >
> >
>
>
Re: Nutch 1.9
Posted by Markus Jelsma <ma...@openindex.io>.
Hi - stick to protocol-http if you can and configure the plugins to only
use protocol-httpclient for HTTPS connections. Contrary to
protocol-http, the protocol-httpclient plugin has trouble with not
properly encoded URL's, but it can easily be resolved by adapting the
URL normalizers.
We operate such a configuration and deal with both protocols without
significant issues, so it can be done. Do make sure you use the latest
Nutch, there are some advances we committed recently, also to support
SSL for protocol-http based on work from Aloisius at github we worked on
for Nutch, which Julien kindly committed. So Nutch 1.9, which is ready
to take off, supports SSL using two protocol plugins.
https://issues.apache.org/jira/browse/NUTCH-1676
On Wednesday 13 August 2014 22:07:20 Mattmann, Chris A wrote:
> CC'ing dev@nutch.
>
> Nutch'ers - question from JPL peeps below on protocol-httpclient.
> FYI. if you could chime in would be great!
>
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Chris Mattmann, Ph.D.
> Chief Architect
> Instrument Software and Science Data Systems Section (398)
> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
> Office: 168-519, Mailstop: 168-527
> Email: chris.a.mattmann@nasa.gov
> WWW: http://sunset.usc.edu/~mattmann/
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Adjunct Associate Professor, Computer Science Department
> University of Southern California, Los Angeles, CA 90089 USA
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
>
>
>
>
>
> -----Original Message-----
> From: <Kieu>, "Phu (172C-Affiliate)" <Ph...@jpl.nasa.gov>
> Date: Wednesday, August 13, 2014 3:00 PM
> To: Chris Mattmann <Ch...@jpl.nasa.gov>, "Mcgibbney, Lewis J
> (398J)" <Le...@jpl.nasa.gov>, "Liu, Jeff Y (172B)"
> <Je...@jpl.nasa.gov>
> Subject: Re: Nutch 1.9
>
>
> >Https support is a must for us.
> >
> >On 08/13/2014, 14:27, "Mattmann, Chris A (3980)"
> ><ch...@jpl.nasa.gov> wrote:
> >
> >
> >>hrm, any reason to switch to httpclient? Why not just keep http?
> >>
> >>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>Chris Mattmann, Ph.D.
> >>Chief Architect
> >>Instrument Software and Science Data Systems Section (398)
> >>NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
> >>Office: 168-519, Mailstop: 168-527
> >>Email: chris.a.mattmann@nasa.gov
> >>WWW: http://sunset.usc.edu/~mattmann/
> >>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>Adjunct Associate Professor, Computer Science Department
> >>University of Southern California, Los Angeles, CA 90089 USA
> >>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>
> >>
> >>
> >>
> >>
> >>
> >>-----Original Message-----
> >>From: <Kieu>, "Phu (172C-Affiliate)" <Ph...@jpl.nasa.gov>
> >>Date: Wednesday, August 13, 2014 2:20 PM
> >>To: "Mcgibbney, Lewis J (398J)" <Le...@jpl.nasa.gov>, "Liu,
> >>Jeff Y (172B)" <Je...@jpl.nasa.gov>
> >>Cc: Chris Mattmann <Ch...@jpl.nasa.gov>
> >>Subject: Re: Nutch 1.9
> >>
> >>
> >>>Thanks for the heads up.
> >>>
> >>>We switched over to trunk last week, and it looks good.
> >>>
> >>>A question about protocol-http however:
> >>>
> >>>What does it support and not support?
> >>>
> >>>We¹ve been using protocol-httpclient from the beginning, and it¹s been
> >>>working fine. Switching over to protocol-http is currently giving us an
> >>>SSL exception.
> >>>
> >>>On 08/12/2014, 22:59, "Mcgibbney, Lewis J (398J)"
> >>><Le...@jpl.nasa.gov> wrote:
> >>>
> >>>
> >>>>Hi Folks,
> >>>>
> >>>>Just a quick note to say that there is a release candidate out for
> >>>>Nutch
> >>>>1.9.
> >>>>The proposed release report can be found here[0], you can check it for
> >>>>some issues which may help with your deployment for JPLSpace.
> >>>>Would be great to hear if you have any further problems using the
> >>>>software.
> >>>>Best
> >>>>Lewis
> >>>>
> >>>>[0]
> >>>>https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=10680&
> >>>>v
> >>>>e
> >>>>r
> >>>>s
> >>>>ion=12324611
> >>>>
> >>>
> >>>
> >>
> >>
> >
> >
>
>
RE: Nutch 1.9
Posted by Markus Jelsma <ma...@openindex.io>.
Hi - stick to protocol-http if you can and configure the plugins to only
use protocol-httpclient for HTTPS connections. Contrary to
protocol-http, the protocol-httpclient plugin has trouble with not
properly encoded URL's, but it can easily be resolved by adapting the
URL normalizers.
We operate such a configuration and deal with both protocols without
significant issues, so it can be done. Do make sure you use the latest
Nutch, there are some advances we committed recently, also to support
SSL for protocol-http based on work from Aloisius at github we worked on
for Nutch, which Julien kindly committed. So Nutch 1.9, which is ready
to take off, supports SSL using two protocol plugins.
https://issues.apache.org/jira/browse/NUTCH-1676
-----Original message-----
> From:Mattmann, Chris A (3980) <ch...@jpl.nasa.gov>
> Sent: Thursday 14th August 2014 0:07
> To: Kieu, Phu (172C-Affiliate) <Ph...@jpl.nasa.gov>; Mcgibbney, Lewis J (398J) <Le...@jpl.nasa.gov>; Liu, Jeff Y (172B) <Je...@jpl.nasa.gov>
> Cc: dev@nutch.apache.org
> Subject: Re: Nutch 1.9
>
> CC'ing dev@nutch.
>
> Nutch'ers - question from JPL peeps below on protocol-httpclient.
> FYI. if you could chime in would be great!
>
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Chris Mattmann, Ph.D.
> Chief Architect
> Instrument Software and Science Data Systems Section (398)
> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
> Office: 168-519, Mailstop: 168-527
> Email: chris.a.mattmann@nasa.gov
> WWW: http://sunset.usc.edu/~mattmann/
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Adjunct Associate Professor, Computer Science Department
> University of Southern California, Los Angeles, CA 90089 USA
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
>
>
>
>
>
> -----Original Message-----
> From: <Kieu>, "Phu (172C-Affiliate)" <Ph...@jpl.nasa.gov>
> Date: Wednesday, August 13, 2014 3:00 PM
> To: Chris Mattmann <Ch...@jpl.nasa.gov>, "Mcgibbney, Lewis J
> (398J)" <Le...@jpl.nasa.gov>, "Liu, Jeff Y (172B)"
> <Je...@jpl.nasa.gov>
> Subject: Re: Nutch 1.9
>
> >Https support is a must for us.
> >
> >On 08/13/2014, 14:27, "Mattmann, Chris A (3980)"
> ><ch...@jpl.nasa.gov> wrote:
> >
> >>hrm, any reason to switch to httpclient? Why not just keep http?
> >>
> >>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>Chris Mattmann, Ph.D.
> >>Chief Architect
> >>Instrument Software and Science Data Systems Section (398)
> >>NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
> >>Office: 168-519, Mailstop: 168-527
> >>Email: chris.a.mattmann@nasa.gov
> >>WWW: http://sunset.usc.edu/~mattmann/
> >>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>Adjunct Associate Professor, Computer Science Department
> >>University of Southern California, Los Angeles, CA 90089 USA
> >>++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >>
> >>
> >>
> >>
> >>
> >>
> >>-----Original Message-----
> >>From: <Kieu>, "Phu (172C-Affiliate)" <Ph...@jpl.nasa.gov>
> >>Date: Wednesday, August 13, 2014 2:20 PM
> >>To: "Mcgibbney, Lewis J (398J)" <Le...@jpl.nasa.gov>, "Liu,
> >>Jeff Y (172B)" <Je...@jpl.nasa.gov>
> >>Cc: Chris Mattmann <Ch...@jpl.nasa.gov>
> >>Subject: Re: Nutch 1.9
> >>
> >>>Thanks for the heads up.
> >>>
> >>>We switched over to trunk last week, and it looks good.
> >>>
> >>>A question about protocol-http however:
> >>>
> >>>What does it support and not support?
> >>>
> >>>We¹ve been using protocol-httpclient from the beginning, and it¹s been
> >>>working fine. Switching over to protocol-http is currently giving us an
> >>>SSL exception.
> >>>
> >>>On 08/12/2014, 22:59, "Mcgibbney, Lewis J (398J)"
> >>><Le...@jpl.nasa.gov> wrote:
> >>>
> >>>>Hi Folks,
> >>>>
> >>>>Just a quick note to say that there is a release candidate out for
> >>>>Nutch
> >>>>1.9.
> >>>>The proposed release report can be found here[0], you can check it for
> >>>>some issues which may help with your deployment for JPLSpace.
> >>>>Would be great to hear if you have any further problems using the
> >>>>software.
> >>>>Best
> >>>>Lewis
> >>>>
> >>>>[0]
> >>>>https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=10680&
> >>>>v
> >>>>e
> >>>>r
> >>>>s
> >>>>ion=12324611
> >>>>
> >>>
> >>
> >
>
>