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Assuming you have sudo/root permission. Try rpmforge-extras first. If you did not have rpmforge-extras, try manual installation. Reference: http://sta 阅读全文
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An exception occured while performing the indexing job : java.io.IOException: Cannot initialize Cluster. Please check your configuration for mapreduce 阅读全文
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Keywords: Groovy, Reflection, 反射 The Reflection of Groovy String constant style method. Groovy支持以下的方法定义： Groovy是继承Java的机制的，而Java显然是不支持这种函数定义命名的。然而实际上， 阅读全文