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via Jenkins JIRA by Vlad Dumitrescu, 1 year ago
jenkins.plugins.git.AbstractGitSCMSource.getExtensions()Ljava/util/List;
java.lang.AbstractMethodError: jenkins.plugins.git.AbstractGitSCMSource.getExtensions()Ljava/util/List;	at jenkins.plugins.git.AbstractGitSCMSource.build(AbstractGitSCMSource.java:305)	at jenkins.scm.api.SCMSource.build(SCMSource.java:283)	at jenkins.branch.MultiBranchProject.newBranch(MultiBranchProject.java:267)	at jenkins.branch.MultiBranchProject.access$000(MultiBranchProject.java:82)	at jenkins.branch.MultiBranchProject$1.observe(MultiBranchProject.java:297)	at org.jenkinsci.plugins.github_branch_source.GitHubSCMSource.doRetrieve(GitHubSCMSource.java:285)	at org.jenkinsci.plugins.github_branch_source.GitHubSCMSource.retrieve(GitHubSCMSource.java:256)	at jenkins.scm.api.SCMSource.fetch(SCMSource.java:146)	at jenkins.branch.MultiBranchProject.computeChildren(MultiBranchProject.java:294)	at com.cloudbees.hudson.plugins.folder.computed.ComputedFolder.updateChildren(ComputedFolder.java:157)	at com.cloudbees.hudson.plugins.folder.computed.FolderComputation.run(FolderComputation.java:122)	at hudson.model.ResourceController.execute(ResourceController.java:98)	at hudson.model.Executor.run(Executor.java:410)