Linux下编译nutch我ant后20分钟了还是这样,是正常还是错误?

Buildfile: /usr/local/apache-nutch-2.3.1/build.xml
Trying to override old definition of task javac
[taskdef] Could not load definitions from resource org/sonar/ant/antlib.xml. It could not be found.

ivy-probe-antlib:

ivy-download:
[taskdef] Could not load definitions from resource org/sonar/ant/antlib.xml. It could not be found.

ivy-download-unchecked:

ivy-init-antlib:

ivy-init:

init:

clean-lib:

resolve-default:
[ivy:resolve] :: Apache Ivy 2.3.0 - 20130110142753 :: http://ant.apache.org/ivy/ ::
[ivy:resolve] :: loading settings :: file = /usr/local/apache-nutch-2.3.1/ivy/ivysettings.xml

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