Apache Commons Lang 2 removed from Jenkins core in Jenkins version 2.579.  After upgrading to that varsion Ranorex plugin crashes in the beginning of the test with messages:

Started by user xxx
Running as SYSTEM
Building remotely on XXX (win11 cardless kanta old nuc25 any) in workspace C:\Temp\workspace\AT-0.000.004_Maaraykset
Reportpath to merge. Base: C:\Temp\JenkinsAjotiedostot\ Relative: C:\Temp\JenkinsAjotiedostot\Reports
Merged path: C:\Temp\JenkinsAjotiedostot\Reports
FATAL: org/apache/commons/lang/BooleanUtils
java.lang.ClassNotFoundException: org.apache.commons.lang.BooleanUtils
Caused: java.lang.NoClassDefFoundError: org/apache/commons/lang/BooleanUtils
 at PluginClassLoader for ranorex-integration//com.ranorex.jenkinsranorexplugin.RanorexRunnerBuilder.perform(RanorexRunnerBuilder.java:372)
 at jenkins.tasks.SimpleBuildStep.perform(SimpleBuildStep.java:123)
 at hudson.tasks.BuildStepCompatibilityLayer.perform(BuildStepCompatibilityLayer.java:79)
 at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
 at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:817)
 at hudson.model.Build$BuildExecution.build(Build.java:199)
 at hudson.model.Build$BuildExecution.doRun(Build.java:164)
 at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:526)
 at hudson.model.Run.execute(Run.java:1843)
 at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:44)
 at hudson.model.ResourceController.execute(ResourceController.java:97)
 at hudson.model.Executor.run(Executor.java:456)
Finished: FAILURE