注意这个职位类似于亨利马乌 - 错误时尝试了维基百科的例子
Caused by: java.lang.ClassNotFoundException: classpath
但不同的错误信息。
当我尝试从https://cwiki.apache.org/confluence/display/MAHOUT/Wikipedia+Bayes+Example
当我运行以下命令来运行维基百科贝叶斯例子:
lis-macbook-pro:mahout-distribution-0.8 Li$ mahout wikipediaXMLSplitter -d examples/temp/enwiki-latest-pages-articles10.xml -o wikipedia/chunks -c 64
我收到错误消息:
MAHOUT_LOCAL is set, so we don't add HADOOP_CONF_DIR to classpath.
MAHOUT_LOCAL is set, running locally
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/Users/Li/File/Java/mahout-distribution-0.8/examples/target/mahout-examples-0.8-job.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/Users/Li/File/Java/mahout-distribution-0.8/examples/target/dependency/slf4j-jcl-1.7.5.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 [org.slf4j.impl.JCLLoggerFactory]
Oct 21, 2013 4:25:47 PM org.slf4j.impl.JCLLoggerAdapter warn
WARNING: Unable to add class: wikipediaXMLSplitter
java.lang.ClassNotFoundException: wikipediaXMLSplitter
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:171)
at org.apache.mahout.driver.MahoutDriver.addClass(MahoutDriver.java:236)
at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:127)
Oct 21, 2013 4:25:47 PM org.slf4j.impl.JCLLoggerAdapter warn
WARNING: No wikipediaXMLSplitter.props found on classpath, will use command-line arguments only
Unknown program 'wikipediaXMLSplitter' chosen.
我使用Hadoop 1.2和Mahout 0.8。 mahout-distribution-0.8/bin已添加到$ PATH中。 $ MAHOUT_LOCAL设置为“True”,因此它在本地运行。
我不知道为什么我得到“无法添加类:wikipediaXMLSplitter”