`NullPointerException: bio == null`.


## Version 4.9.0

_2020-09-11_

**With this release, `okhttp-tls` no longer depends on Bouncy Castle and doesn't install the
Bouncy Castle security provider.** If you still need it, you can do it yourself:

```
Security.addProvider(BouncyCastleProvider())
```

You will also need to configure this dependency:

```

 *    Note that the private key is not a part of the certificate!
 *
 *  * **A signature issued by another certificate's private key.** This mechanism allows a trusted
 *    third-party to endorse a certificate. Third parties should only endorse certificates once
 *    they've confirmed that the owner of the private key is also the owner of the certificate's
 *    other properties.
 *

---


# Recipes

We've written some recipes that demonstrate how to solve common problems with OkHttp. Read through them to learn about how everything works together. Cut-and-paste these examples freely; that's what they're for.

### Synchronous Get ([.kt][SynchronousGetKotlin], [.java][SynchronousGetJava])

Download a file, print its headers, and print its response body as a string.

com caravan carbonia-iglesias.it carboniaiglesias.it cards care career careers cargo.aero carrara-massa.it carraramassa.it carrd.co carrier.museum cars cartoonart.museum casa casacam.net casadelamoneda.museum case caserta.it cash casino casino.hu castle.museum castres.museum cat cat.ax catania.it catanzaro.it catering catering.aero catfood.jp catholic catholic.edu.au caxias.br cb.it cba cbg.ru cbn cbre cbs cc cc.ak.us cc.al.us cc.ar.us cc.as.us cc.az.us cc.ca.us cc.co.us cc.ct.us cc.dc.us cc.de.us...