---
title: "Discussion on \"RxJava error handling: OnErrorNotImplementedException vs UndeliverableException\" | Hashnode"
description: "Discussion on \"RxJava error handling: OnErrorNotImplementedException vs UndeliverableException\". I recently spent some time digging into RxJava’s error handling facilities and realized that throwables forwarded to RxJavaPlugins.setErrorHandler() are sometimes wrapped in OnErrorNotImplementedException and sometimes in UndeliverableException . I c..."
url: "https://hashnode.com/posts/rxjava-error-handling-onerrornotimplementedexception-vs-undeliverableexception/614b0d53544e242e0c93ccc8"
---

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# [RxJava error handling: OnErrorNotImplementedException vs UndeliverableException](https://blog.marcoromano.net/rxjava-error-handling-onerrornotimplementedexception-vs-undeliverableexception?utm_source=hashnode&utm_medium=feed)

I recently spent some time digging into RxJava’s error handling facilities and realized that throwables forwarded to RxJavaPlugins.setErrorHandler() are sometimes wrapped in OnErrorNotImplementedException and sometimes in UndeliverableException . I c...

Nov 1, 2018 · 3 min read · blog.marcoromano.net  
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## Written by

[Marco Romano](https://hashnode.com/@kjulio)

@kjulio · Padenghe sul Garda, Italy

  
[View profile](https://hashnode.com/@kjulio)

Android software engineer at element.io, technology enthusiast, pizza baker, feline wielder

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