Hello Everyone, Sorry for posting another question on this one – a lot of documents already exist on this. Any help is really appreciated. See below, 1-3, please ~ John Dove 1 I see a lot of documents on the CRUMB error within Jenkins. I have read a few of them. I am stuck trying to access J…

Jenkins Community, This posting is for awareness - to help other people. Regarding CSRF “CRUMB” error on FIRST browser access into Jenkins. In short: IE browser was the cause; Fire Fox had no problems. Please see below, 1-4. ~ John Dove 1 I am using the following technology stack: Je…

It’s possible that Tomcat is not sending along the remote IP. Can you try the following? [jaguild] Jenkins - No valid crumb was included in request jenkins, tomcat, csrf, http-status-code-403 answered by jaguild on 11:34PM - 21 Apr 22 UTC …

Hi Alex, Thanks very much. I will take a look at that article. I will respond back to this thread with my results. Will keep you updated. ~ John

Why don’t you run jenkins.war standalone, without Tomcat?

Marcin, Tomcat + Jenkins is the standard where I work. We’ve been using that configuration for years. Use Apache HTTP as a reverse proxy, and it’s a pretty sweet setup. ~ John

Alex, Unsure what to make of this. Interesting… See below, 1-2. 1 As a shot in the dark, I tried my first access into Jenkins 2.346.3 + Tomcat 9, from a DIFFERENT machine over the network. And it WORKED SUCCESSFULLY. No CRUMB error. 2 But LOCAL HOST access to Jenkins + Tomcat for the first…

Alex, Problem solved. I did more testing. See below, 1-2. ~ John 1 The CRUMB error was caused by INTERNET EXPLORER browser. I switched to Fire Fox - no problems. I will make a new thread posting back to the community - telling everyone. 2 The above scenario occurred on this type of machine …

To be clear, ie was dropped from the compatibility chart at the start of the year as it was officially past its end of life. [image] Browser compatibility Jenkins – an open source automation server which enables developers around the world to reliably build, test, and deploy their softw…

Thanks for posting this, IE has not been supported by Jenkins for some time. You can see the support matrix here Browser compatibility

Tomcat + Jenkins 2.346.3 CRUMB error on 1st startup

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slide_o_mix (Alex Earl) November 7, 2022, 7:43pm 2

It’s possible that Tomcat is not sending along the remote IP. Can you try the following?

How to fix 'invalid crumb' warnings?

Documentation office hours - Nov 17, 2022

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Tomcat + Jenkins 2.346.3 CRUMB error on 1st startup

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