HCatalog Connection
The HCatalog Connection shared resource contains all the necessary parameters to connect to HCatalog. It can be used by the Hive, MapReduce, Pig, and WaitForJobCompletion activities.
General
In the General panel, you can specify the package that stores the HCatalog Connection shared resource and the shared resource name.
The following table lists the fields in the General panel of the HCatalog Connection shared resource:
HCatalogConnection Configuration
In the HCatalogConnection Configuration panel, you can provide necessary information to connect the plug-in with HCatalog. You can also connect to a Kerberized WebHCat server.
The following table lists the fields in the HCatalogConnection Configuration panel of the HCatalog Connection shared resource:
Field | Module Property? | Description |
---|---|---|
HCatalog Url | Yes | The WebHCat URL that is used to connect to HCatalog. The default value is http://localhost:50111. |
User Name | Yes | The unique user name that is used to connect to HCatalog. |
HDFSConnection | No | The HDFS Connection shared resource that is used to create a connection between the plug-in and HDFS. Click
to select an HDFS Connection shared resource.
If no matching HDFS Connection shared resources are found, click Create Shared Resource to create one. For more details, see Creating an HDFS Connection. |
Enable Kerberos | No | If you want to connect to a Kerberized WebHCat server, you can select this check box.
Note: If your server uses the AES-256 encryption, you must install Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files on your machine. For more details, see
Installing JCE Policy Files.
|
Kerberos Method | No | The Kerberos authentication method that is used to authorize access to WebHCat. Select an authentication method from the list:
This field is displayed only when you select the Enable Kerberos check box. |
Kerberos Principal | Yes | The Kerberos principal name that is used to connect to WebHCat.
This field is displayed only when you select the Enable Kerberos check box. |
Kerberos Password | Yes | The password for the Kerberos principal.
This field is displayed only when you select the Password from the Kerberos Method list. |
Kerberos Keytab | Yes | The keytab that is used to connect to WebHCat.
This field is displayed only when you select Keytab from the Kerberos Method list. |