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Overview of a Report Unit

In the server, a report unit is the collection of elements used for retrieving data and formatting output. The Anatomy of a Report Unit shows these elements:

  • The data source and the query that retrieves data for the report.

  • The main JRXML that determines the layout and is the core of the report unit.

  • The main JRXML defines other elements in one of the following ways:

    • Creating definitions internally
    • Referring to existing elements in the repository using the repo: syntax

  • The input controls and other resources.

For more information about the report unit, refer to the JasperReports Server Ultimate Guide.

js anatomy of a report unit

Figure 1 Anatomy of a Report Unit