String sessionId2 = crawler2.execute();

crawler1.awaitTermination();
crawler2.awaitTermination();
```

### Custom Interval Control

```java
// Configure politeness policy
container.singleton("intervalController", DefaultIntervalController.class, controller -> {
    controller.setDelayMillisForWaitingNewUrl(5000);
    controller.setDefaultIntervalTime(1000);
});
```

				"application/applefile",
				"application/applixware",
				"application/atom+xml",
				"application/atomcat+xml",
				"application/atomicmail",
				"application/atomsvc+xml",
				"application/auth-policy+xml",
				"application/batch-smtp",
				"application/beep+xml",
				"application/bizagi-modeler",
				"application/cals-1840",
				"application/ccxml+xml",
				"application/cea-2018+xml",

  <mime-type type="application/wordperfect5.1"/>
  <mime-type type="application/wsdl+xml">
    <glob pattern="*.wsdl"/>
  </mime-type>
  <mime-type type="application/wspolicy+xml">
    <glob pattern="*.wspolicy"/>
  </mime-type>
  
  <mime-type type="image/x-tga">
     <alias type="image/x-targa"/>
     <!-- trailer bytes: 54 52 55 45 56 49 53 49 4F 4E 2D 58 46 49 4C 45 2E 00