Home | Table of Contents | External (Shared) JMS Connections | CloverETL 4.6.1
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### External (Shared) JMS Connections

External (shared) JMS connections are connections usable across multiple graphs. The external connections are stored outside the graph and that is why they can be shared.

#### Creating External (Shared) JMS Connections

1. To create an external (shared) JMS connection select File → New → Other.

2. Select CloverETL → JMS Connection → JMS connection item.

3. An Edit JMS connection wizard has been opened. See Edit JMS Connection Wizard.

4. When all properties of the connection has been set, you can validate your connection using the Validate connection button.

5. Choose the project, its `conn` subfolder, choose the name for your external JMS connection file.

6. Use OK button to finish the wizard.

#### Linking External (Shared) JMS Connection

Existing external (shared) connections can be linked to any graph you would like to use them in.

1. Right-click either the Connections group or any of its items.

2. Select Connections → Link JMS connection from the context menu.

3. URL Dialog has been opened. Expand the `conn` folder in the dialog and choose the desired connection configuration file.

   You can link multiple external (shared) connection configuration files at once: select multiple connection files in the dialog.

The same approach is valid for linking of both: database and JMS connections.

#### Internalizing External (Shared) JMS Connections

Any shared (external) JMS Connection can be internalized (converted to the internal connection). To internalize Exported JMS Connections link the JMS Connection to the graph first.

##### How to Internalize Exported JMS Connection

1. Right-click linked external (shared) connection item in the Outline pane.

2. Select Internalize connection from the context menu.

3. The selected JMS Connection in the outline have been converted from external to internal. The file with External JMS Connection stay untouched.

You can even internalize multiple linked external (shared) connection configuration files at once. To do this, select the desired linked external (shared) connection items in the Outline pane.

You can select adjacent items when you press Shift and then the Down Cursor or the Up Cursor key. If you want to select non-adjacent items, use Ctrl+Click at each of the desired items instead.

However, the original external (shared) connection configuration files still remain to exist in the `conn` subfolder what can be seen in the Navigator pane.

The same approach is valid for linking of both: database and JMS connections.

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