[JENKINS] Lucene-Solr-5.x-Windows () - Build # 4303 - Failure!

[Policeman Jenkins Server <je...@thetaphi.de>]

Build: http://jenkins.thetaphi.de/job/Lucene-Solr-5.x-Windows/4303/
Java: 

No tests ran.

Build Log:
[...truncated 9 lines...]
FATAL: No such property: Log for class: random-java
groovy.lang.MissingPropertyException: No such property: Log for class: random-java
	at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.unwrap(ScriptBytecodeAdapter.java:50)
	at org.codehaus.groovy.runtime.callsite.PogoGetPropertySite.getProperty(PogoGetPropertySite.java:49)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGroovyObjectGetProperty(AbstractCallSite.java:231)
	at random-java.run(random-java.groovy:9)
	at groovy.lang.GroovyShell.evaluate(GroovyShell.java:580)
	at groovy.lang.GroovyShell.evaluate(GroovyShell.java:627)
	at groovy.lang.Script.evaluate(Script.java:219)
	at groovy.lang.Script$evaluate$2.callCurrent(Unknown Source)
	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:46)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:133)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:141)
	at windows-random-java7.run(windows-random-java7.groovy:56)
	at groovy.lang.GroovyShell.evaluate(GroovyShell.java:580)
	at groovy.lang.GroovyShell.evaluate(GroovyShell.java:627)
	at groovy.lang.Script.evaluate(Script.java:219)
	at groovy.lang.Script$evaluate$2.callCurrent(Unknown Source)
	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:46)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:133)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:141)
	at Script1.run(Script1.groovy:1)
	at groovy.lang.GroovyShell.evaluate(GroovyShell.java:580)
	at groovy.lang.GroovyShell.evaluate(GroovyShell.java:618)
	at groovy.lang.GroovyShell.evaluate(GroovyShell.java:589)
	at org.jenkinsci.plugins.envinject.service.EnvInjectEnvVars.executeAndGetMapGroovyScript(EnvInjectEnvVars.java:142)
	at org.jenkinsci.plugins.envinject.EnvInjectListener.setUpEnvironmentJobPropertyObject(EnvInjectListener.java:188)
	at org.jenkinsci.plugins.envinject.EnvInjectListener.setUpEnvironment(EnvInjectListener.java:44)
	at hudson.model.AbstractBuild$AbstractBuildExecution.createLauncher(AbstractBuild.java:587)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:491)
	at hudson.model.Run.execute(Run.java:1759)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
	at hudson.model.ResourceController.execute(ResourceController.java:89)
	at hudson.model.Executor.run(Executor.java:240)