Administration Button & Menu not working

@Vitaliy

We have recently upgrade our OJS version 3.3.0-6. When i admin login, all things OK but administration menu is not working. It’s display blank screen. I find these errors in error_log file

[17-Nov-2021 09:14:40 UTC] PHP Fatal error: Uncaught Error: Call to a member function getConnection() on null in /home/pjoorgpk/public_html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Capsule/Manager.php:74
Stack trace:

[18-Nov-2021 05:25:22 UTC] PHP Fatal error: Uncaught GuzzleHttp\Exception\ConnectException: cURL error 28: Failed to connect to pkp.sfu.ca port 80 after 127395 ms: Connection timed out (see libcurl - Error Codes) in /home/pjoorgpk/public_html/lib/pkp/lib/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php:200

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@Vitaliy

I checked again error_log [libcurl - Error Codes](libcurl - Error Codes
error 28 received again and again.

Now Administration and Journal button not working circle is spinning and spinning but these two buttons is not working.

Please give me solution.

Hi @hussainyousaf,

You can start debugging by checking if your server blocks the outbound connection specified in the message. It’s used to get data about the plugin gallery.

@Vitaliy

We are using shared hosting and hosting is using cpanel. Please guide how can i debug. Please help me.

I debug in my browser, it’s showing this please see screen shot

Untitled

@Vitaliy

Please help in this regard

We are using shared hosting and hosting is using cpanel. Please guide how can i debug. Please help me.

I debug in my browser, it’s showing this please see screen shot

Untitled

According to the error message, connection to pkp.sfu.ca is failing. E.g., it’s used to retrieve information about plugins here: pkp-lib/PluginGalleryDAO.inc.php at 6a8b950530f9e81a0bbbe9c09d92908da37a53ce · pkp/pkp-lib · GitHub

Ask your hosting provider if it’s blocked on the server level.

@Vitaliy

My hosting company is saying curl function is enabled on our server but again i am receiving same error message and wheel is spinning no response. Please give me alternate solution. We are stuck. I received these fatal_error in error_log file

[23-Nov-2021 06:01:10 UTC] PHP Fatal error: Uncaught GuzzleHttp\Exception\ConnectException: cURL error 28: Failed to connect to pkp.sfu.ca port 80 after 127242 ms: Connection timed out (see libcurl - Error Codes) in /home/pjoorgpk/public_html/lib/pkp/lib/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php:200
Stack trace:
#0 /home/pjoorgpk/public_html/lib/pkp/lib/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(155): GuzzleHttp\Handler\CurlFactory::createRejection(Object(GuzzleHttp\Handler\EasyHandle), Array)
#1 /home/pjoorgpk/public_html/lib/pkp/lib/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php(105): GuzzleHttp\Handler\CurlFactory::finishError(Object(GuzzleHttp\Handler\CurlHandler), Object(GuzzleHttp\Handler\EasyHandle), Object(GuzzleHttp\Handler\CurlFactory))
#2 /home/pjoorgpk/public_html/lib/pkp/lib/vendor/guzzlehttp/guzzle/src/Handler/CurlHandler.php(43): GuzzleHttp\Handler\CurlFactory::finish(Object(GuzzleHttp\Handler\CurlHandler), Object(GuzzleHttp\Handler\EasyHandle), Object(GuzzleHttp\Handler\CurlFactory in /home/pjoorgpk/public_html/lib/pkp/lib/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php on line 200

Below all these extension are enabled on my hosting server and curl extension as well. Please check

System MIME Types

MIME Type Extension(s)
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application/applixware aw
application/atom+xml atom
application/atomcat+xml atomcat
application/atomsvc+xml atomsvc
application/ccxml+xml ccxml
application/cdmi-capability cdmia
application/cdmi-container cdmic
application/cdmi-domain cdmid
application/cdmi-object cdmio
application/cdmi-queue cdmiq
application/cgi cgi
application/cu-seeme cu
application/davmount+xml davmount
application/docbook+xml dbk
application/dssc+der dssc
application/dssc+xml xdssc
application/ecmascript ecma
application/emma+xml emma
application/epub+zip epub
application/exi exi
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application/gml+xml gml
application/gpx+xml gpx
application/gxf gxf
application/hyperstudio stk
application/inkml+xml ink inkml
application/ipfix ipfix
application/java-archive jar
application/java-serialized-object ser
application/java-vm class
application/javascript js
application/json json
application/jsonml+json jsonml
application/lost+xml lostxml
application/mac-binhex40 hqx
application/mac-compactpro cpt
application/mads+xml mads
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application/marcxml+xml mrcx
application/mathematica ma mb nb
application/mathml+xml mathml
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application/metalink4+xml meta4
application/mets+xml mets
application/mods+xml mods
application/mp21 m21 mp21
application/mp4 mp4s
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application/oda oda
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application/ogg ogx
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application/oxps oxps
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application/pkixcmp pki
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application/prs.cww cww
application/pskc+xml pskcxml
application/rdf+xml rdf
application/reginfo+xml rif
application/relax-ng-compact-syntax rnc
application/resource-lists+xml rl
application/resource-lists-diff+xml rld
application/rls-services+xml rs
application/rpki-ghostbusters gbr
application/rpki-manifest mft
application/rpki-roa roa
application/rsd+xml rsd
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application/rtf rtf
application/ruby rb
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application/vnd.iccprofile icc icm
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application/vnd.jam jam
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application/vnd.mobius.txf txf
application/vnd.mophun.application mpn
application/vnd.mophun.certificate mpc
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application/vnd.ms-lrm lrm
application/vnd.ms-officetheme thmx
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application/vnd.ms-powerpoint pot pps ppt
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application/vnd.ms-powerpoint.presentation.macroenabled.12 pptm
application/vnd.ms-powerpoint.slide.macroenabled.12 sldm
application/vnd.ms-powerpoint.slideshow.macroenabled.12 ppsm
application/vnd.ms-powerpoint.template.macroenabled.12 potm
application/vnd.ms-project mpp mpt
application/vnd.ms-word.document.macroenabled.12 docm
application/vnd.ms-word.template.macroenabled.12 dotm
application/vnd.ms-works wcm wdb wks wps
application/vnd.ms-wpl wpl
application/vnd.ms-xpsdocument xps
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application/vnd.mynfc taglet
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application/vnd.nitf nitf ntf
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application/vnd.noblenet-sealer nns
application/vnd.noblenet-web nnw
application/vnd.nokia.n-gage.data ngdat
application/vnd.nokia.n-gage.symbian.install n-gage
application/vnd.nokia.radio-preset rpst
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application/vnd.novadigm.edm edm
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@Vitaliy @asmecher pls help in this regard, Pls see my previous reply.

@asmecher

My webhosting company disable firewall then below 2 links work

1- https://pjo.org.pk/index.php/pjo/management/settings/context
2- https://pjo.org.pk/index.php/index/admin

Now please let me know which port allow in firewall to execute this because in error_log message port 80 and this port already allow by hosting company.

Please let me know which firewall port allow for these links.

As I noted before, the problem is not in the library but rather in a blocked request.

So it was a firewall that blocked the request. It’s a standard HTTP request through port number 80.

You can also configure proxy in `config.inc.php (if you have one)

@Vitaliy

Thanks please let me know if my hosting company provide proxy setting where i can add these setting in config.inc.php file and where i can add these setting.

Thanks

@Vitaliy

Please guide my hosting company allocate me 500MB RAM in shared server and asking me it is exceeding this limit on this process but in previous version is not any issue related to this is it right?
Secondly can you share the curl url and i will send it my hosting company may be add this url in whitelist it will be work because it is generating request time out error in application error_log file and i am assuming the hosting server is blocking curl url that is why request timeout error is generating.

I think that for most one-journal installations it will be enough. RAM usage is linked to site traffic.

Yeah, you can add to the whitelist a domain pointed in the error message (pkp.sfu.ca).