Catalina.start: LifecycleException: start: : java.lang.IllegalArgumentException: javacc,ant,commons-collections,commons-logging,log4j,junit-Extension-Name

LifecycleException: start: : java.lang.IllegalArgumentException: javacc,ant,commons-collections,commons-logging,log4j,junit-Extension-Name

at org.apache.catalina.loader.WebappLoader.start(WebappLoader.java:641)

at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1100)

at org.apache.catalina.core.StandardContext.start(StandardContext.java:3371)

at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)

at org.apache.catalina.core.StandardHost.start(StandardHost.java:638)

at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)

at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:343)

at org.apache.catalina.core.StandardService.start(StandardService.java:388)

at org.apache.catalina.core.StandardServer.start(StandardServer.java:506)

at org.apache.catalina.startup.Catalina.start(Catalina.java:781)

at org.apache.catalina.startup.Catalina.execute(Catalina.java:681)

at org.apache.catalina.startup.Catalina.process(Catalina.java:179)

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:324)

at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:243)

----- Root Cause -----

java.lang.IllegalArgumentException: javacc,ant,commons-collections,commons-logging,log4j,junit-Extension-Name

at java.util.jar.Attributes$Name.<init>(Attributes.java:434)

at java.util.jar.Attributes.getValue(Attributes.java:97)

at org.apache.catalina.loader.Extension.getRequired(Extension.java:415)