我正在使用GoogleDeveloperConsole运行Hadoop示例“WordCount”。我在运行hadoopcom.sun.tools.javac.MainWordCount.java时遇到的错误是:WordCount.java:26:error:errorwhilewritingTokenizerMapper:WordCount$TokenizerMapper.class(Permissiondenied)publicstaticclassTokenizerMapper有一个箭头指向最后一行的类。echo$HADOOP_CLASSPATH返回/usr/lib/jvm/jav