Hello Jenkins Community team,

I am using *Jenkins - 2.263.1(LTS)* deployed through tomcat.

I have upgraded few of the plugins yesterday since then i am facing 
following issue whenever i modify any settings under *Manage Jenkins* --> 
*Configure 
Systems* section if i click save button. it takes few mins and throws the 
below error.

HTTP Status 403 – Forbidden
Type Status Report
Message No valid crumb was included in the request
Description The server understood the request but refuses to authorize it.
Apache Tomcat/9.0.30

>From jenkins systems log below message shown.

Feb 18, 2021 7:52:13 AM WARNING hudson.ExpressionFactory2$JexlExpression 
evaluate

Caught exception evaluating: h.filterDescriptors(it,attrs.descriptors) in 
/jenkins/configure. Reason: java.lang.NullPointerException: Descriptor list 
is null for context 'class hudson.model.Hudson' in thread 'Handling GET 
/jenkins/configure from 206.25.26.27 : http-nio-8080-exec-2 
Jenkins/configure.jelly GlobalLibraries/config.jelly 
LibraryConfiguration/config.jelly SCMRetriever/DescriptorImpl/config.jelly 
MultiSCM/DescriptorImpl/config.jelly'
java.lang.NullPointerException: Descriptor list is null for context 'class 
hudson.model.Hudson' in thread 'Handling GET /jenkins/configure from 
206.25.26.27 : http-nio-8080-exec-2 Jenkins/configure.jelly 
GlobalLibraries/config.jelly LibraryConfiguration/config.jelly 
SCMRetriever/DescriptorImpl/config.jelly 
MultiSCM/DescriptorImpl/config.jelly'
    at 
hudson.model.DescriptorVisibilityFilter.apply(DescriptorVisibilityFilter.java:73)
    at hudson.Functions.filterDescriptors(Functions.java:2122)
    at sun.reflect.GeneratedMethodAccessor308.invoke(Unknown Source)
    at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)

Under *Configure Global security --> CSRF Protection -->Enable proxy 
compatibility*(Enabled). Still same problem persists. Therefore please help 
me to solve this issue.

Thanks in advance.

-- 
You received this message because you are subscribed to the Google Groups 
"Jenkins Users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To view this discussion on the web visit 
https://groups.google.com/d/msgid/jenkinsci-users/5813788e-3157-45f5-b2d4-f906b3ce8228n%40googlegroups.com.

Reply via email to