$ mvn jetty:run
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building jty Maven Webapp 1.0
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] >>> jetty-maven-plugin:8.1.16.v20140903:run (default-cli) > test-compile @ jty >>>
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ jty ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 25 resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ jty ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ jty ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory E:\workspace\jty\src\test\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ jty ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] <<< jetty-maven-plugin:8.1.16.v20140903:run (default-cli) < test-compile @ jty <<<
[INFO]
[INFO] --- jetty-maven-plugin:8.1.16.v20140903:run (default-cli) @ jty ---
[INFO] Configuring Jetty for project: jty Maven Webapp
[INFO] webAppSourceDirectory not set. Defaulting to E:\workspace\jty\src\main\webapp
[INFO] Reload Mechanic: automatic
[INFO] Classes = E:\workspace\jty\target\classes
[INFO] Context path = /jty
[INFO] Tmp directory = E:\workspace\jty\target\tmp
[INFO] Web defaults = org/eclipse/jetty/webapp/webdefault.xml
[INFO] Web overrides = none
[INFO] web.xml file = file:/E:/workspace/jty/src/main/webapp/WEB-INF/web.xml
[INFO] Webapp directory = E:\workspace\jty\src\main\webapp
[INFO] jetty-8.1.16.v20140903
[INFO] No Transaction manager found - if your webapp requires one, please configure one.
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/E:/maven/ch/qos/logback/logback-classic/1.1.2/logback-classic-1.1.2.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/E:/maven/org/slf4j/slf4j-log4j12/1.7.6/slf4j-log4j12-1.7.6.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [ch.qos.logback.classic.util.ContextSelectorStaticBinder]
[INFO] No Spring WebApplicationInitializer types detected on classpath
[INFO] Initializing Spring root WebApplicationContext
log4j:WARN No appenders could be found for logger (org.jboss.logging).
log4j:WARN Please initialize the log4j system properly.

启动时, 在这个地方卡住了, 无法进行下去..