I tried the demo today and ran into the following issues during the jetty:run stage. This is for Maven 3 and Mac OS X. This is the full console output <https://gist.github.com/1889422>to the command "mvn package jetty:run" Here is the first exception thats thrown. ************** 02:43:01 [pool-1-thread-1] INFO ch.qos.logback.demo.LoggingTask - Howdydy-diddly-ho - 99 java.lang.Exception: e at ch.qos.logback.demo.LoggingTask.run(LoggingTask.java:28) [classes/:na] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) [na:1.6.0_29] at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317) [na:1.6.0_29] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150) [na:1.6.0_29] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98) [na:1.6.0_29] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180) [na:1.6.0_29] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204) [na:1.6.0_29] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [na:1.6.0_29] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [na:1.6.0_29] at java.lang.Thread.run(Thread.java:680) [na:1.6.0_29] 02:43:11 [pool-1-thread-1] INFO ch.qos.logback.demo.LoggingTask - Howdydy-diddly-ho - 199 java.lang.Exception: e at ch.qos.logback.demo.LoggingTask.run(LoggingTask.java:28) [classes/:na] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) [na:1.6.0_29] at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317) [na:1.6.0_29] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150) [na:1.6.0_29] *************************** System Info ******************************* Apache Maven 3.0.3 (r1075438; 2011-02-28 09:31:09-0800) Maven home: /usr/share/maven Java version: 1.6.0_29, vendor: Apple Inc. OS name: "mac os x", version: "10.7.2", arch: "x86_64", family: "mac" *************************************