nutch-default.xml
<property>
<name>plugin.folders</name>
<value>./src/plugin</value>
<description>Directories where nutch plugins are located. Each
element may be a relative or absolute path. If absolute, it is used
as is. If relative, it is searched for on the classpath.</description>
</property>
此红色处路径问题。
如果不是在eclipse内执行得把它改成原来的初始路径。
<property>
<name>plugin.folders</name>
<value>plugins</value>
<description>Directories where nutch plugins are located. Each
element may be a relative or absolute path. If absolute, it is used
as is. If relative, it is searched for on the classpath.</description>
</property>
这里是cygwin与在eclipse编程执行时的区别，不然会找不到plugins路径。然后通过报错是比较难找着原因的。呵呵。希望记录一下，能帮助有相同问题的人。