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| <meta name="DC.Title" content="Validating XML schemas" /> |
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| <title>Validating XML schemas</title> |
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| <h1 class="topictitle1">Validating XML schemas</h1> |
| |
| |
| |
| |
| <div><p>Validating an XML schema determines whether the current state of |
| the XML schema file is semantically valid. Any errors will be displayed in |
| the Problems view.</p> |
| |
| <div class="section"><p>The following instructions were written for the Resource perspective, |
| but they will also work in many other perspectives.</p> |
| <p>To validate an XML |
| schema, follow these steps:</p> |
| </div> |
| |
| <ol> |
| <li class="stepexpand"><span>Right-click your file in the Navigator view and click <span class="uicontrol">Run |
| Validation</span>.</span></li> |
| |
| <li class="stepexpand"><span> If validation was not successful, you can refer to the Problems |
| view to see what problems were logged. </span> <div class="note"><span class="notetitle">Note: </span>If you receive an |
| error message indicating that the Problems view is full, you can increase |
| the number of error messages allowed by selecting <span class="menucascade"><span class="uicontrol">Properties |
| > Validation</span></span> from the project's pop-up menu and |
| specifying the maximum number of error messages allowed.</div> |
| </li> |
| |
| </ol> |
| |
| <div class="section"><p>The XML schema support in the XML schema editor is based on the |
| W3C XML Schema Recommendation Specification. The XML Schema specifications |
| XML Schema Part 1: Structures and XML Schema Part 2: Datatypes from the W3C |
| Web site are used for validation.</p> |
| <p>Certain error messages contain a reference |
| to the schema constraints listed in Appendix C of the XML Schema Part 1: Structures |
| document. Each constraint has a unique name that will be referenced in the |
| error message. For example, if you receive an error message with this text: |
| <tt class="sysout">ct-props-correct</tt> and you searched in the Structure |
| document for the text, you would find that it is for the section "Schema Component |
| Constraint: Complex Type Definition Properties Correct". </p> |
| <p>You can set |
| up a project's properties so that different types of project resources are |
| automatically validated when you save them. From a project's pop-up menu select <span class="uicontrol">Properties</span>, |
| then select <span class="uicontrol">Validation</span>. Any validators you can run |
| against your project will be listed in the Validation page.</p> |
| </div> |
| |
| </div> |
| |
| <div><div class="reltasks"><strong>Related tasks</strong><br /> |
| <div><a href="../topics/tcxmlsch.html" title="You can create an XML schema and then edit it using the XML schema editor. Using the XML schema editor, you can specify element names that indicates which elements are allowed in an XML file, and in which combinations.">Creating XML schemas</a></div> |
| </div> |
| <div class="relinfo"><strong>Related information</strong><br /> |
| <div><a href="../../org.eclipse.jst.j2ee.doc.user/topics/tjval.html" title="General validation information">../../org.eclipse.jst.j2ee.doc.user/topics/tjval.html</a></div> |
| <div><a href="http://www.w3.org/TR/xmlschema-1" target="_blank" title="See the W3C Web site for more information on XML Schema specifications">XML |
| Schema Part 1: Structures</a></div> |
| <div><a href="http://www.w3.org/TR/xmlschema-2" target="_blank" title="See the W3C Web site for more information on XML Schema specifications">XML |
| Schema Part 2: Datatypes</a></div> |
| </div> |
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