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Java NoSuchMethodError:org.apache.htrace.core.Tracer$Builder_Java_Eclipse_Hadoop - Fatal编程技术网

Java NoSuchMethodError:org.apache.htrace.core.Tracer$Builder

Java NoSuchMethodError:org.apache.htrace.core.Tracer$Builder,java,eclipse,hadoop,Java,Eclipse,Hadoop,我试图在Eclipse中运行一个MapReduce程序,但反复出现一个错误,错误是: Exception in thread "main" java.lang.NoSuchMethodError: org.apache.htrace.core.Tracer$Builder.<init>(Ljava/lang/String;)V 线程“main”java.lang.NoSuchMethodError中的异常:org.apache.htrace.core.Tracer$Builder。

我试图在Eclipse中运行一个MapReduce程序,但反复出现一个错误,错误是:

Exception in thread "main" java.lang.NoSuchMethodError: org.apache.htrace.core.Tracer$Builder.<init>(Ljava/lang/String;)V
线程“main”java.lang.NoSuchMethodError中的异常:org.apache.htrace.core.Tracer$Builder。(Ljava/lang/String;)V 我从这里下载了.jar文件:

并将它们放在我的项目文件夹中的“lib”目录下,然后使用菜单选项“buildpath>configurebuildpath”手动将它们添加到Eclipse项目参考库中。但错误依然存在

知道怎么修吗?我是Java的新手,因此如果有任何见解能让我的程序运行起来,我将不胜感激。谢谢

已解决:

在Eclipse中,右键单击项目。选择
Properties>Java构建路径>添加外部jar>文件系统
。在
usr/lib/hadoop
usr/lib/hadoop/client
中添加任何.jar