Eversince we upgraded to Jenkins 2.387.1, some jobs are failing on class not found for HttpMethod.

Upon investigation, it appears that commons-httpclient-3.1-jenkins-3.jar  is missing even when we  have commons-httpclient3-api:3.1-3 plugin installed 

bash-4.2$ pwd

/var/jenkins_home/war/WEB-INF/lib

bash-4.2$ ls -ltr common

rw-rw-r- 1 jenkins jenkins  140940 Mar 16 22:40 commons-jexl-1.1-jenkins-20111212.jar

rw-rw-r- 1 jenkins jenkins   37430 Mar 16 22:40 commons-jelly-tags-xml-1.1.jar

rw-rw-r- 1 jenkins jenkins  588337 Mar 16 22:40 commons-collections-3.2.2.jar

rw-rw-r- 1 jenkins jenkins  246918 Mar 16 22:40 commons-beanutils-1.9.4.jar

rw-rw-r- 1 jenkins jenkins   74132 Mar 16 22:40 commons-fileupload-1.5.jar

rw-rw-r- 1 jenkins jenkins   22479 Mar 16 22:40 commons-jelly-tags-fmt-1.0.jar

rw-rw-r- 1 jenkins jenkins  327135 Mar 16 22:40 commons-io-2.11.0.jar

rw-rw-r- 1 jenkins jenkins  185012 Mar 16 22:40 commons-jelly-1.1-jenkins-20220630.jar

rw-rw-r- 1 jenkins jenkins   72781 Mar 16 22:40 asm-commons-9.4.jar

rw-rw-r- 1 jenkins jenkins  353793 Mar 16 22:40 commons-codec-1.15.jar

rw-rw-r- 1 jenkins jenkins 1039712 Mar 16 22:40 commons-compress-1.22.jar

rw-rw-r- 1 jenkins jenkins  330246 Mar 16 22:40 jcommon-1.0.23.jar

rw-rw-r- 1 jenkins jenkins  284220 Mar 16 22:40 commons-lang-2.6.jar

rw-rw-r- 1 jenkins jenkins   79796 Mar 16 22:40 commons-discovery-0.5.jar

rw-rw-r- 1 jenkins jenkins   22732 Mar 16 22:40 commons-jelly-tags-define-1.0.1-hudson-20071021.jar

bash-4.2$