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    Expert tip

    Take a look at this blog post on how to set up Grid2 https://goo.gl/rxzbE6. A user related (in the email group on the source) that using older selenium libs solves this exception.

Solutions on the web

via GitHub by skaldarnar
, 2 years ago
Vertex elements for chunk mesh segment #0 must not be null
via Atlassian JIRA by Seb Ruiz, 1 year ago
via Atlassian JIRA by Seb Ruiz, 1 year ago
java.lang.NullPointerException: authConfig was not specified	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:204)	at com.github.dockerjava.core.command.AbstrAuthCfgDockerCmd.withAuthConfig(AbstrAuthCfgDockerCmd.java:33)	at com.github.dockerjava.core.DockerClientImpl.pushImageCmd(DockerClientImpl.java:129)	at org.jenkinsci.plugins.dockerbuildstep.cmd.PushImageCommand.execute(PushImageCommand.java:72)	at org.jenkinsci.plugins.dockerbuildstep.DockerBuilder.perform(DockerBuilder.java:78)	at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)	at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:770)	at hudson.model.Build$BuildExecution.build(Build.java:199)	at hudson.model.Build$BuildExecution.doRun(Build.java:160)	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:533)	at hudson.model.Run.execute(Run.java:1745)	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)	at hudson.model.ResourceController.execute(ResourceController.java:89)	at hudson.model.Executor.run(Executor.java:240)