See <https://builds.apache.org/job/bookkeeper_postcommit_validation_master/570/display/redirect>
Changes: ------------------------------------------ Started by timer Running as SYSTEM [EnvInject] - Loading node environment variables. Building remotely on H26 (ubuntu) in workspace /home/jenkins/jenkins-slave/workspace/bookkeeper_postcommit_validation_master [WS-CLEANUP] Deleting project workspace... [WS-CLEANUP] Deferred wipeout is used... ERROR: [WS-CLEANUP] Cannot delete workspace: Channel "unknown": Remote call on H26 failed. The channel is closing down or has closed down ERROR: Cannot delete workspace: Channel "unknown": Remote call on H26 failed. The channel is closing down or has closed down ERROR: H26 is offline; cannot locate JDK 1.8 (latest) ERROR: H26 is offline; cannot locate Maven 3.6.2
