エラー：「com.day.commons.httpclient.impl.ProxyContextListener...」

Unexpected error while instantiating listener com.day.commons.httpclient.impl.ProxyContextListener
java.lang.NoSuchMethodError:
com.day.commons.httpclient.impl.ProxySelector$1.setHostName(Ljava/lang/String;)V
at com.day.commons.httpclient.impl.ProxySelector$1.<init>(ProxySelector.java:64)
at com.day.commons.httpclient.impl.ProxySelector.<clinit>(ProxySelector.java:62)
at com.day.commons.httpclient.impl.ProxyWrapper.<clinit>(ProxyWrapper.java:21)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at java.lang.Class.newInstance0(Class.java:355)
at java.lang.Class.newInstance(Class.java:308)
at
com.day.j2ee.servletengine.WebApplication.setupListeners(WebApplication.java:412)
at com.day.j2ee.servletengine.WebApplication.start(WebApplication.java:619)
at com.day.j2ee.servletengine.ServletContainer.start(ServletContainer.java:318)
at com.day.j2ee.servletengine.ServletEngine.start(ServletEngine.java:285)
at com.day.j2ee.server.Server.start(Server.java:227)
at com.day.j2ee.server.Server.main(Server.java:607)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.day.launcher.Bootstrap.run(Bootstrap.java:118)
at com.day.crx.quickstart.Quickstart.run(Quickstart.java:680)
at com.day.crx.quickstart.Main.<init>(Main.java:675)
at com.day.crx.quickstart.Main.main(Main.java:730)