| Package | Description | 
|---|---|
| org.apache.hadoop.fs | Implementations of  AbstractFileSystemfor hdfs
    over rpc and hdfs over web. | 
| org.apache.hadoop.hdfs.client | This package provides the administrative APIs for HDFS. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | InvalidPathExceptionPath string is invalid either because it has invalid characters or due to
 other file system specific reasons. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | HdfsAdmin. createEncryptionZone(Path path,
                    String keyName,
                    EnumSet<CreateEncryptionZoneFlag> flags)Create an encryption zone rooted at an empty existing directory, using the
 specified encryption key. | 
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