500 server error submitting search, unencoded checkmark passed in utf8 parameter

Summary

When submitting a search either in the top bar or on the filter by name box in the project view the server returns a 500 error.

Steps to reproduce

Type a search into the search box and hit enter.

Example Project

N/A - happens outside of project in project list view

What is the current bug behavior?

Server throws a 500 error and doesn't return the search results.

What is the expected correct behavior?

Search results are returned based on query entered. This can be achieved by changing the unicode checkmark to "true" in the URL.

Relevant logs and/or screenshots

Screenshots attached

Output of checks

This bug happens on Gitlab CE Omnubus 11.7.5.

Results of GitLab environment info

Expand for output related to GitLab environment info

System information
System:         Ubuntu 16.04
Current User:   git
Using RVM:      no
Ruby Version:   2.5.3p105
Gem Version:    2.7.6
Bundler Version:1.16.6
Rake Version:   12.3.2
Redis Version:  3.2.12
Git Version:    2.18.1
Sidekiq Version:5.2.3
Go Version:     unknown
GitLab information
Version:        11.7.5
Revision:       c5b5b18
Directory:      /opt/gitlab/embedded/service/gitlab-rails
DB Adapter:     postgresql
URL:            https://gitlab.fishbowlsolutions.com
HTTP Clone URL: https://gitlab.fishbowlsolutions.com/some-group/some-project.git
SSH Clone URL:  git@gitlab.fishbowlsolutions.com:some-group/some-project.git
Using LDAP:     yes
Using Omniauth: yes
Omniauth Providers:
GitLab Shell
Version:        8.4.4
Repository storage paths:

• default: /var/opt/gitlab/git-data/repositories Hooks: /opt/gitlab/embedded/service/gitlab-shell/hooks Git: /opt/gitlab/embedded/bin/git

Results of GitLab application Check

Expand for output related to the GitLab application check

Checking GitLab subtasks ...
Checking GitLab Shell ...
GitLab Shell: ... GitLab Shell version >= 8.4.4 ? ... OK (8.4.4)
Running /opt/gitlab/embedded/service/gitlab-shell/bin/check
Check GitLab API access: OK
Redis available via internal API: OK
Access to /var/opt/gitlab/.ssh/authorized_keys: OK
gitlab-shell self-check successful
Checking GitLab Shell ... Finished
Checking Gitaly ...
Gitaly: ... default ... OK
Checking Gitaly ... Finished
Checking Sidekiq ...
Sidekiq: ... Running? ... yes
Number of Sidekiq processes ... 1
Checking Sidekiq ... Finished
Checking Incoming Email ...
Incoming Email: ... Reply by email is disabled in config/gitlab.yml
Checking Incoming Email ... Finished
Checking LDAP ...
LDAP: ... Server: ldapmain
LDAP authentication... Success
LDAP users with access to your GitLab server (only showing the first 100 results)
DN: cn=conor lorsung,ou=fishbowl users,dc=fishbowldomain,dc=com  sAMAccountName: clorsung
DN: cn=casey mcgarvey,ou=fishbowl users,dc=fishbowldomain,dc=com         sAMAccountName: cmcgarvey
DN: cn=standing station,ou=fishbowl users,dc=fishbowldomain,dc=com       sAMAccountName: standing
DN: cn=conf-process (main),ou=fishbowl users,dc=fishbowldomain,dc=com    sAMAccountName: conf-process
DN: cn=walking station,ou=fishbowl users,dc=fishbowldomain,dc=com        sAMAccountName: walking
DN: cn=weblogic,ou=fishbowl users,dc=fishbowldomain,dc=com       sAMAccountName: weblogic
DN: cn=tim gruidl,ou=fishbowl users,dc=fishbowldomain,dc=com     sAMAccountName: tgruidl
DN: cn=ross jessen,ou=fishbowl users,dc=fishbowldomain,dc=com    sAMAccountName: rjessen
DN: cn=john lundgren,ou=fishbowl users,dc=fishbowldomain,dc=com  sAMAccountName: jlundgren
DN: cn=jerry aber,ou=fishbowl users,dc=fishbowldomain,dc=com     sAMAccountName: jaber
DN: cn=rick passolt,ou=fishbowl users,dc=fishbowldomain,dc=com   sAMAccountName: rpassolt
DN: cn=ben evjen,ou=fishbowl users,dc=fishbowldomain,dc=com      sAMAccountName: bevjen
DN: cn=ben sawyer,ou=fishbowl users,dc=fishbowldomain,dc=com     sAMAccountName: bsawyer
DN: cn=jason lamon,ou=fishbowl users,dc=fishbowldomain,dc=com    sAMAccountName: jlamon
DN: cn=andy weaver,ou=fishbowl users,dc=fishbowldomain,dc=com    sAMAccountName: aweaver
DN: cn=kim negaard,ou=fishbowl users,dc=fishbowldomain,dc=com    sAMAccountName: knegaard
DN: cn=jordan graen,ou=fishbowl users,dc=fishbowldomain,dc=com   sAMAccountName: jgraen
DN: cn=megan pekarek,ou=fishbowl users,dc=fishbowldomain,dc=com  sAMAccountName: mpekarek
DN: cn=katy o’neill,ou=fishbowl users,dc=fishbowldomain,dc=com   sAMAccountName: koneill
DN: cn=joshua shaffer,ou=fishbowl users,dc=fishbowldomain,dc=com         sAMAccountName: jshaffer
DN: cn=elliot carson,ou=fishbowl users,dc=fishbowldomain,dc=com  sAMAccountName: ecarson
DN: cn=jon paradis,ou=fishbowl users,dc=fishbowldomain,dc=com    sAMAccountName: jparadis
DN: cn=tom johnson,ou=fishbowl users,dc=fishbowldomain,dc=com    sAMAccountName: tjohnson
DN: cn=conf gemba,ou=fishbowl users,dc=fishbowldomain,dc=com     sAMAccountName: conf-gemba
DN: cn=conf kaizen,ou=fishbowl users,dc=fishbowldomain,dc=com    sAMAccountName: conf-kaizen
DN: cn=duncan coyle,ou=fishbowl users,dc=fishbowldomain,dc=com   sAMAccountName: dcoyle
DN: cn=conf-lean,ou=fishbowl users,dc=fishbowldomain,dc=com      sAMAccountName: conf-lean
DN: cn=andrew coyle,ou=fishbowl users,dc=fishbowldomain,dc=com   sAMAccountName: acoyle
DN: cn=conf voc (sales),ou=fishbowl users,dc=fishbowldomain,dc=com       sAMAccountName: conf-voc
DN: cn=ping pong,ou=fishbowl users,dc=fishbowldomain,dc=com      sAMAccountName: pingpong
DN: cn=conf muda,ou=fishbowl users,dc=fishbowldomain,dc=com      sAMAccountName: conf-muda
DN: cn=jeff peterson,ou=fishbowl users,dc=fishbowldomain,dc=com  sAMAccountName: jpeterson
DN: cn=arcivate,ou=fishbowl users,dc=fishbowldomain,dc=com       sAMAccountName: arcivate
DN: cn=kyle thornton,ou=fishbowl users,dc=fishbowldomain,dc=com  sAMAccountName: kthornton
DN: cn=nathan scharber,ou=fishbowl users,dc=fishbowldomain,dc=com        sAMAccountName: nscharber
DN: cn=val oreilly,ou=fishbowl users,dc=fishbowldomain,dc=com    sAMAccountName: voreilly
DN: cn=scott wall,ou=fishbowl users,dc=fishbowldomain,dc=com     sAMAccountName: swall
DN: cn=luke bock,ou=fishbowl users,dc=fishbowldomain,dc=com      sAMAccountName: lbock
DN: cn=sean deal,ou=fishbowl users,dc=fishbowldomain,dc=com      sAMAccountName: sdeal
DN: cn=out of. office,ou=fishbowl users,dc=fishbowldomain,dc=com         sAMAccountName: outofoffice
DN: cn=customer dashboard,ou=fishbowl users,dc=fishbowldomain,dc=com     sAMAccountName: customerdashboard
DN: cn=tony mohl,ou=fishbowl users,dc=fishbowldomain,dc=com      sAMAccountName: tmohl
DN: cn=stephanie berg,ou=fishbowl users,dc=fishbowldomain,dc=com         sAMAccountName: sberg
DN: cn=john sim,ou=fishbowl users,dc=fishbowldomain,dc=com       sAMAccountName: jsim
DN: cn=jeremy hericks,ou=fishbowl users,dc=fishbowldomain,dc=com         sAMAccountName: jhericks
DN: cn=dan haugen,ou=fishbowl users,dc=fishbowldomain,dc=com     sAMAccountName: dhaugen
DN: cn=seth richter,ou=fishbowl users,dc=fishbowldomain,dc=com   sAMAccountName: srichter
DN: cn=carmen williams,ou=fishbowl users,dc=fishbowldomain,dc=com        sAMAccountName: cwilliams
DN: cn=wendy williams,ou=fishbowl users,dc=fishbowldomain,dc=com         sAMAccountName: wwilliams
DN: cn=brandon salcedo,ou=fishbowl users,dc=fishbowldomain,dc=com        sAMAccountName: bsalcedo
DN: cn=dan grubb,ou=fishbowl users,dc=fishbowldomain,dc=com      sAMAccountName: dgrubb
DN: cn=greg bollom,ou=fishbowl users,dc=fishbowldomain,dc=com    sAMAccountName: gbollom
DN: cn=ap demo,ou=fishbowl users,dc=fishbowldomain,dc=com        sAMAccountName: apdemo
DN: cn=jason schafer,ou=fishbowl users,dc=fishbowldomain,dc=com  sAMAccountName: jschafer
DN: cn=erin buckel,ou=fishbowl users,dc=fishbowldomain,dc=com    sAMAccountName: ebuckel
DN: cn=brent genereux,ou=fishbowl users,dc=fishbowldomain,dc=com         sAMAccountName: bgenereux
DN: cn=colin wymore,ou=fishbowl users,dc=fishbowldomain,dc=com   sAMAccountName: cwymore
DN: cn=rolls roycecare,ou=fishbowl users,dc=fishbowldomain,dc=com        sAMAccountName: rolls-roycecare
DN: cn=roger scherping,ou=fishbowl users,dc=fishbowldomain,dc=com        sAMAccountName: rscherping
DN: cn=paul medlin,ou=fishbowl users,dc=fishbowldomain,dc=com    sAMAccountName: pmedlin
DN: cn=conf sales,ou=fishbowl users,dc=fishbowldomain,dc=com     sAMAccountName: conf-rm7
DN: cn=conf mediascape,ou=fishbowl users,dc=fishbowldomain,dc=com        sAMAccountName: conf-rm8
DN: cn=prashant baliyan,ou=fishbowl users,dc=fishbowldomain,dc=com       sAMAccountName: pbaliyan
DN: cn=jason zolczynski,ou=fishbowl users,dc=fishbowldomain,dc=com       sAMAccountName: jzolczynski
DN: cn=muskie,ou=fishbowl users,dc=fishbowldomain,dc=com         sAMAccountName: muskie
DN: cn=michelle schommer,ou=fishbowl users,dc=fishbowldomain,dc=com      sAMAccountName: mschommer
DN: cn=atlas,ou=fishbowl users,dc=fishbowldomain,dc=com  sAMAccountName: atlas
DN: cn=noah bodner,ou=fishbowl users,dc=fishbowldomain,dc=com    sAMAccountName: nbodner
DN: cn=timetracker admin,ou=fishbowl users,dc=fishbowldomain,dc=com      sAMAccountName: timetrackeradmin
DN: cn=peter silvester,ou=fishbowl users,dc=fishbowldomain,dc=com        sAMAccountName: psilvester
DN: cn=jacob ferm,ou=fishbowl users,dc=fishbowldomain,dc=com     sAMAccountName: jferm
DN: cn=jake ruhland,ou=fishbowl users,dc=fishbowldomain,dc=com   sAMAccountName: jruhland
DN: cn=wc-dev-box,ou=fishbowl users,dc=fishbowldomain,dc=com     sAMAccountName: wc-dev-box
DN: cn=lauren lewandowski,ou=fishbowl users,dc=fishbowldomain,dc=com     sAMAccountName: llewandowski
DN: cn=susan gruidl,ou=fishbowl users,dc=fishbowldomain,dc=com   sAMAccountName: sgruidl
DN: cn=adam eickhoff,ou=fishbowl users,dc=fishbowldomain,dc=com  sAMAccountName: aeickhoff
DN: cn=rich lodahl,ou=fishbowl users,dc=fishbowldomain,dc=com    sAMAccountName: rlodahl
DN: cn=csg admin,ou=fishbowl users,dc=fishbowldomain,dc=com      sAMAccountName: csgadmin
DN: cn=dan clifford,ou=fishbowl users,dc=fishbowldomain,dc=com   sAMAccountName: dclifford
DN: cn=kelly schouten,ou=fishbowl users,dc=fishbowldomain,dc=com         sAMAccountName: kschouten
DN: cn=davey newhall,ou=fishbowl users,dc=fishbowldomain,dc=com  sAMAccountName: dnewhall
DN: cn=logan seeley,ou=fishbowl users,dc=fishbowldomain,dc=com   sAMAccountName: lseeley
DN: cn=kyle becker,ou=fishbowl users,dc=fishbowldomain,dc=com    sAMAccountName: kbecker
Checking LDAP ... Finished
Checking GitLab App ...
Git configured correctly? ... yes
Database config exists? ... yes
All migrations up? ... yes
Database contains orphaned GroupMembers? ... no
GitLab config exists? ... yes
GitLab config up to date? ... yes
Log directory writable? ... yes
Tmp directory writable? ... yes
Uploads directory exists? ... yes
Uploads directory has correct permissions? ... yes
Uploads directory tmp has correct permissions? ... yes
Init script exists? ... skipped (omnibus-gitlab has no init script)
Init script up-to-date? ... skipped (omnibus-gitlab has no init script)
Projects have namespace: ...
3/2 ... yes
3/3 ... yes
21/7 ... yes
3/8 ... yes
3/11 ... yes
3/12 ... yes
29/13 ... yes
31/14 ... yes
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3/25 ... yes
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13/324 ... yes
173/325 ... yes
173/326 ... yes
120/327 ... yes
154/328 ... yes
174/329 ... yes
133/330 ... yes
Redis version >= 2.8.0? ... yes
Ruby version >= 2.3.5 ? ... yes (2.5.3)
Git version >= 2.18.0 ? ... yes (2.18.1)
Git user has default SSH configuration? ... yes
Active users: ... 82
Checking GitLab App ... Finished
Checking GitLab subtasks ... Finished

Possible fixes

(Have not investigated)