See <https://builds.apache.org/job/beam_SeedJob/527/display/redirect>
------------------------------------------ GitHub pull request #4042 of commit d1e6a29d74ffe128f03e75e184a64bab70cf953e, no merge conflicts. Setting status of d1e6a29d74ffe128f03e75e184a64bab70cf953e to PENDING with url https://builds.apache.org/job/beam_SeedJob/527/ and message: 'Build started sha1 is merged.' Using context: Jenkins: Seed Job [EnvInject] - Loading node environment variables. Building remotely on beam6 (beam) in workspace <https://builds.apache.org/job/beam_SeedJob/ws/> > git rev-parse --is-inside-work-tree # timeout=10 Fetching changes from the remote Git repository > git config remote.origin.url https://github.com/apache/beam.git # timeout=10 Fetching upstream changes from https://github.com/apache/beam.git > git --version # timeout=10 > git fetch --tags --progress https://github.com/apache/beam.git > +refs/heads/*:refs/remotes/origin/* > +refs/pull/4042/*:refs/remotes/origin/pr/4042/* > git rev-parse refs/remotes/origin/pr/4042/merge^{commit} # timeout=10 > git rev-parse refs/remotes/origin/origin/pr/4042/merge^{commit} # timeout=10 Checking out Revision 99a6bfbe32fb4942afa4055ced43c3d5b52af2c7 (refs/remotes/origin/pr/4042/merge) Commit message: "Merge d1e6a29d74ffe128f03e75e184a64bab70cf953e into 0c2211375d1fc4abebda7aa7cf7960e7b09fdc1b" > git config core.sparsecheckout # timeout=10 > git checkout -f 99a6bfbe32fb4942afa4055ced43c3d5b52af2c7 First time build. Skipping changelog. Cleaning workspace > git rev-parse --verify HEAD # timeout=10 Resetting working tree > git reset --hard # timeout=10 > git clean -fdx # timeout=10 Processing DSL script job_00_seed.groovy Processing DSL script job_beam_Java_Build.groovy ERROR: startup failed: workspace:/.test-infra/jenkins/common_job_properties.groovy: 166: unable to resolve class org.jenkinsci.plugins.ghprb.GhprbTrigger @ line 166, column 16. return new org.jenkinsci.plugins.ghprb.GhprbTrigger( ^ 1 error