NoClassDefFoundError: org/apache/hadoop/conf/Configuration
时间: 2023-10-26 12:12:06 浏览: 42
The NoClassDefFoundError for org/apache/hadoop/conf/Configuration typically occurs when the Hadoop Configuration class is not found or is not present in the classpath. This class is a part of Hadoop's core package and is required for Hadoop operations.
To resolve this error, ensure that the Hadoop libraries are included in the classpath. You can do this by adding the required Hadoop jars to the classpath or by setting the HADOOP_CLASSPATH environment variable.
To add the Hadoop jars to the classpath, you can use the following command:
```
export CLASSPATH=$CLASSPATH:/path/to/hadoop-core.jar:/path/to/other/hadoop/jars
```
Replace "/path/to/hadoop-core.jar" with the actual path where the Hadoop core jar file is located, and "/path/to/other/hadoop/jars" with the path where other Hadoop jars are located.
Alternatively, you can set the HADOOP_CLASSPATH environment variable by adding the following line to your .bashrc or .bash_profile file:
```
export HADOOP_CLASSPATH=/path/to/hadoop-core.jar:/path/to/other/hadoop/jars
```
Make sure to replace the paths with your actual paths. After setting the environment variable, restart the terminal and try running the Hadoop command again.
If the error persists, ensure that the Hadoop installation is properly configured and all required dependencies are installed.