May 2024
Intermediate to advanced
752 pages
24h
Japanese
Content preview from Spring徹底入門 第2版 Spring FrameworkによるJavaアプリケーション開発
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5.13 例外ハンドリング
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A
A
（
web.xml
の
<error-page>
要素）を使用してエラー処理を実装します。
❷ DispatcherServlet
Spring MVC
を使用するには、フロントコントローラが行なうフレームワーク処理で発生する例外に対する
例 外 ハ ンドリング が 必 要 に なります 。
Spring MVC
のフロントコントロ ー ラの 中 で 発 生した 例 外 は 、
Spring
MVC
が提供する例外ハンドリングの仕組み（
HandlerExceptionResolver
）を使用してエラー処理を実装
します。
❸ アプリケーション（Controller、Service、Repository など）
Spring MVC
を使用する場合は、
Controller
以降の処理（アプリケーション個別の処理）で発生する例外
に対する例外ハンドリングが必要になります。アプリケーションの中で発生した例外は、プログラム内での
try
～
catch
や
Spring MVC
が提供する例外ハンドリングの仕組み（
HandlerExceptionResolver
）を 使 用
してエラー処 理を実装します。
❹ View（JSP など）
View
を使用してクライアントへ応答するデータを生成する場合は、
View
内で発生する例外に対する例外
ハンドリン グ が 必 要 になります 。
View
の中で発生した例外は、サーブレットコンテナ
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.