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trying to run MR program version(2.7) in windows 7 64 bit in eclipse while running the above exception occurring . I verified that using 64 bit 1.8 java version and observed that all the hadoop daemons are running.
Any suggestions highly appreciated
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The UnsatisfiedLinkError is a sub-class of the LinkageError class and denotes that the Java Virtual Machine (JVM) cannot find an appropriate native-language definition of a method declared as native . This error exists since the first release of Java (1.0) and is thrown only at runtime.
After putting haddop.dll and winutils in hadoop/bin folder and adding the folder of hadoop to PATH, we also need to put hadoop.dll into the C:\Windows\System32 folder
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In addition to other solutions, Please download winutil.exe and hadoop.dll and add to $HADOOP_HOME/bin. It works for me.
https://github.com/steveloughran/winutils/tree/master/hadoop-2.7.1/bin
Note: I'm using hadoop-2.7.3 version
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This issue occurred to me and the cause was I forgot to append %HADOOP_HOME%/bin to PATH in my environment variables.
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In my case I was having this issue when running unit tests on local machine after upgrading dependencies to CDH6. I already had HADOOP_HOME and PATH variables configured properly but I had to copy the hadoop.ddl to C:\Windows\System32 as suggested in the other answer.
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