[JIRA] (JENKINS-59017) Blank page after login

Issue Type:	Bug
Assignee:	Unassigned
Attachments:	2019-08-20_22h02_57.png, 2019-08-20_22h04_59.png, Jenkins-Docker-logs.txt
Components:	core
Created:	2019-08-20 19:36
Environment:	Docker image jenkins/jenkins created 2019-08-19T02:53:44.000166003Z . Plugins installed by Setup Wizard - Install suggested plugins. Docker installed in Kubuntu 19.04 (64). Kubuntu installed in VMWare Payer VM. Host OS Windows 10 (64). Google Chrome, Mozilla Firefox, IE, Edge.
Priority:	Minor
Reporter:	Bogdan Sukonnov

Blank page after login from all browsers from every computer.

It's freshly installed Jenkins. Just after Setup Wizard with Install suggested plugins. Then in wizard dialogue user was created. And after that all attemts to login with this user lead to nothing.

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bogdan.sukonnov@gmail.com (JIRA)

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Aug 20, 2019, 3:47:02 PM8/20/19

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Bogdan Sukonnov commented on

I saw this bug previously and know that http://<jenkins.server>/restart will help. And I wont be able to reproduce bug after restart (I tried before).

Luckily, I have VM snapshot. So, this state most likely can be reproduced as many times as needed.

The question now is - how i can gather more information without restarting Jenkins?

bogdan.sukonnov@gmail.com (JIRA)

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Aug 20, 2019, 3:48:01 PM8/20/19

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Bogdan Sukonnov assigned an issue to Bogdan Sukonnov

Jenkins /

Change By:	Bogdan Sukonnov
Assignee:	Bogdan Sukonnov

bogdan.sukonnov@gmail.com (JIRA)

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Aug 21, 2019, 8:00:02 AM8/21/19

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Bogdan Sukonnov commented on

As I found, I can fully access Jenkins and it works fine when I use URL other then mainpage. And mainpage is still blank. So I can use loggers with http://<jenkins.server>/log/. Trying to figure out which loggers can help me.

bogdan.sukonnov@gmail.com (JIRA)

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Aug 21, 2019, 8:26:02 AM8/21/19

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Bogdan Sukonnov updated an issue

Jenkins /

Change By:	Bogdan Sukonnov
Attachment:	Jenkins-logs.txt

bogdan.sukonnov@gmail.com (JIRA)

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Aug 21, 2019, 8:28:01 AM8/21/19

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Bogdan Sukonnov commented on

logs with words Setup Wizard Jenkins-logs.txt

bogdan.sukonnov@gmail.com (JIRA)

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Aug 21, 2019, 10:07:02 AM8/21/19

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Bogdan Sukonnov edited a comment on

I saw this bug previously and know that [ | http:// example.com/]
{code:java}
http:// <jenkins.server>/restart {code}
[ |http://example.com / ] will help. And I wont be able to reproduce bug after restart (I tried before).

Luckily, I have VM snapshot. So, this state most likely can be reproduced as many times as needed.

The question now is - how i can gather more information without restarting Jenkins?

bogdan.sukonnov@gmail.com (JIRA)

unread,

Aug 21, 2019, 10:08:02 AM8/21/19

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Bogdan Sukonnov edited a comment on

I saw this bug previously and know that [|http://example.com/]
{code:java}
http://<jenkins.server>/restart{code}

[|http://example.com/] will help. And I wont be able to reproduce bug after restart (I tried before).

Luckily, I have VM snapshot. So, this state most likely can be reproduced as many times as needed.

The question now is - how i can gather more information without restarting Jenkins?

bogdan.sukonnov@gmail.com (JIRA)

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Aug 21, 2019, 11:37:02 AM8/21/19

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Bogdan Sukonnov commented on

in Tread dump we see jenkins.install.SetupWizard$1.doFilter(SetupWizard.java:627) so, SetupWizard is still in a filter chain
Thread dump [Jenkins].html

bogdan.sukonnov@gmail.com (JIRA)

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Aug 21, 2019, 11:37:02 AM8/21/19

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Bogdan Sukonnov updated an issue

Jenkins /

Change By:	Bogdan Sukonnov
Attachment:	Thread dump [Jenkins].html