Re: [Gmod-ajax] failed displaying BAM file: HTTP undefined when fetching

[Pengcheng Y. <pen...@qq...>]

Hi Colin and Robert,

After convert the bam to cram, it has been successfully displayed 
(http://insectmine.org/jbrowse/index.html?data=FAWMine).

Thank you all!

best,

Pengcheng

On 2020-2-12 4:48, Robert Buels wrote:
> Another common Apache module that causes this is mod_mime_magic, so 
> make sure that's not operating on these files either, if you are 
> indeed running an Apache server
>
> On Tue, Feb 11, 2020 at 8:48 AM Colin <col...@gm... 
> <mailto:col...@gm...>> wrote:
>
>     I can see from the Chrome Devtools that the range requests for the
>     BAM file produce this error
>
>     net::ERR_CONTENT_DECODING_FAILED
>
>     "This can happen when an HTTP request's headers claim that the
>     content is gzip encoded"
>
>     https://superuser.com/questions/172951/chrome-error-330-neterr-content-decoding-failed
>
>     Doing curl of the file shows that the response has this on the
>     response
>
>     Content-Encoding: x-gzip
>
>     Basically you do not want this header on your response. Some
>     common things include having mod_deflate on the server, but it's
>     hard to know exactly what server side conditions caused this
>
>
>     -Colin
>
>     On Tue, Feb 11, 2020 at 11:44 AM Pengcheng Yang <pen...@qq...
>     <mailto:pen...@qq...>> wrote:
>
>         Hi Colin,
>
>         I have just checked the Network tab in the chrome devtools and
>         full screen shot is shown below. Please help me check how
>         could I resolve this problem.
>
>
>         Thank you and best,
>
>         pengcheng
>
>         On 2020-2-11 23:17, Colin wrote:
>>         Could you look at the network tab in the chrome devtools and
>>         see if there are any indicators of what the network request
>>         says?  Maybe paste a full screenshot of the network tab?
>>
>>         The server itself will never produce "HTTP status that is
>>         undefined" but sometimes things in the middle e.g. firewall
>>         or decoding of the request can cause HTTP status to be 0 or
>>         undefined
>>
>>         An example may be gzip related, as the browser might receive
>>         a bad response containing the wrong gzip headers, then try to
>>         ungzip the data, and then maybe fail
>>
>>         -Colin
>>
>>         On Tue, Feb 11, 2020 at 6:32 AM Pengcheng Yang
>>         <pen...@qq... <mailto:pen...@qq...>> wrote:
>>
>>             Dear JBrowsers:
>>
>>             I am trying loading BAM file as the documentation
>>             suggested. However, I am failed with the error message
>>             said "Error: HTTP undefined when fetching http://...."
>>
>>
>>             The json configuration information is:
>>
>>                   {
>>                     "category": "RNA-Seq",
>>                     "key" : "TR2010b",
>>                     "label": "TR2010b",
>>                     "storeClass"  : "JBrowse/Store/SeqFeature/BAM",
>>                     "type"        : "JBrowse/View/Track/Alignments2",
>>                     "urlTemplate": "BAM/TR2012b.fa.map.bam",
>>                     "baiUrlTemplate" : "BAM/TR2012b.fa.map.bam.bai"
>>                   }
>>
>>             Could anyone help me out?
>>
>>             Thank you and best,
>>
>>             Pengcheng Yang
>>
>>
>>             _______________________________________________
>>             Gmod-ajax mailing list
>>             Gmo...@li...
>>             <mailto:Gmo...@li...>
>>             https://lists.sourceforge.net/lists/listinfo/gmod-ajax
>>
>     _______________________________________________
>     Gmod-ajax mailing list
>     Gmo...@li...
>     <mailto:Gmo...@li...>
>     https://lists.sourceforge.net/lists/listinfo/gmod-ajax
>