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# Java Start Parameters

You can use this dialogue box to enter optional start parameters for the Java runtime environment (JRE). The settings that you specify in this dialogue box are valid for any JRE that you start.

To access this command...

Choose LibreOffice - Preferences Tools - Options - LibreOffice - Advanced.

## Java Start parameter

Enter a start parameter for a JRE as you would on a command line. Click Assign to add the parameter to the list of available start parameters.

Do not use escape characters or quotes in path names.

For example, to point the system property "myprop" to a folder, enter the following parameter:

-Dmyprop=c:\program files\java

To enable debugging in a JRE, enter the following parameters:

-Xdebug

-Xrunjdwp:transport=dt_socket,server=y,address=8000

These changes take effect after you restart LibreOffice.

### Assigned start parameters

Lists the assigned JRE start parameters. To remove a start parameter, select the parameter, and then click Remove.

### Add

Adds the current JRE start parameter to the list.

### Edit

Opens a dialogue box where the selected JRE start parameter can be edited.

### Remove

Deletes the selected JRE start parameter.

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