You have a Dynamic Web Project 2.5.
For more information, see: Creating Dynamic Web Projects 2.5.
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1. In the Project Explorer view, select the Dynamic Web Project 2.5.
2. In the context menu, choose New → Other → Web → Web 2.5 → TLD.
3. Choose Next.
4. Specify the TLD file name and choose Next.
5. If you want the created TLD file to be described automatically in the web.xml of the project, mark the respective option and enter the tag library URL.
6. Choose Finish.
Configuring the content of the TLD file is done using its multipage editor.
In the Elements tab, the base structure of a TLD file is displayed as a tree. You can add child elements to the tree, and configure the attributes of elements.
To add a child element, choose the parent element and use the New Child option in the context menu. To remove a child element, choose the element and use the Remove option in the context menu.