rg_build_failure

[ERROR] -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-antrun-plugin:1.7:run (prepare_extensions) on project radargun-aggregator: An Ant BuildException has occured: The following error occurred while executing this line:
/home/mcimbora/Projects/radar-gun/radargun/target/antrun/build-main.xml:17: /home/mcimbora/Projects/radar-gun/radargun/extensions/hdrhistogram/target/distribution/radargun-hdrhistogram-bin/radargun-hdrhistogram/conf does not exist.
around Ant part ...<ac:for xmlns:ac="antlib:net.sf.antcontrib" param="extension" list="cache,query,,hdrhistogram,">... @ 11:99 in /home/mcimbora/Projects/radar-gun/radargun/target/antrun/build-main.xml
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:347)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:154)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:582)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:214)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:158)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.MojoExecutionException: An Ant BuildException has occured: The following error occurred while executing this line:
/home/mcimbora/Projects/radar-gun/radargun/target/antrun/build-main.xml:17: /home/mcimbora/Projects/radar-gun/radargun/extensions/hdrhistogram/target/distribution/radargun-hdrhistogram-bin/radargun-hdrhistogram/conf does not exist.
around Ant part ...<ac:for xmlns:ac="antlib:net.sf.antcontrib" param="extension" list="cache,query,,hdrhistogram,">... @ 11:99 in /home/mcimbora/Projects/radar-gun/radargun/target/antrun/build-main.xml
	at org.apache.maven.plugin.antrun.AntRunMojo.execute(AntRunMojo.java:355)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
	... 19 more