Tutorial Requirements

This section describes the requirements for the Application Builder tutorial

The requirements for this tutorial are the following:

• Watson Explorer Engine using the embedded web server, Application Builder, and ZooKeeper are installed and running.
• You have crawled example-metadata in Watson Explorer Engine.
  Note: The Metadata tutorial (Tutorial: Using Metadata for Searching, Sorting, and Filtering), provided in the Watson Explorer Engine documentation, uses the example-metadata search collection to describe the steps required to crawl a search collection. Therefore, it is recommended to have completed the Metadata tutorial prior to beginning this tutorial.
• You have the query service running in Watson Explorer Engine.

  To start the query service, in your Watson Explorer Engine administration tool, navigate to Management > Services > Search Engine and click start.

• You have modified the example-metadata and example-appbuilder collections to automatically generate dictionaries.

  To do so, in your Watson Explorer Engine administration tool, navigate to each of the search collections (example-metadata and example-appbuilder), and in the Indexing section of the Configuration tab of each collection, set Generate Dictionaries located in the Term expansion support subsection to true.

• You have modified the Search Engine Query Service in Watson Explorer Engine to allow all IP addresses, by adding the value of * to the Allowed IPs field on the Search Engine Query Service Options tab.

  To do so, in your Watson Explorer Engine administration tool, navigate to Management > Services > Search Engine > Options. Click edit. Enter *.*.*.* in the Allowed IPs field and then click OK.

• You have verified that no system firewall is blocking access to Watson Explorer Engine and Application Builder.

For more information on starting and stopping Watson Explorer Engine, Application Builder, and ZooKeeper, see Integrating Watson Explorer Into the System Startup and Shutdown Process.