org.eclipse.jetty.util.ssl.SslContextFactory $ Client ClassNotFoundException升级到Jetty Server 9.4.16 [英] org.eclipse.jetty.util.ssl.SslContextFactory$Client ClassNotFoundException upgrading to Jetty Server 9.4.16

问题描述

我有一个正在使用Jetty服务器版本 9.4.15.v20190215 的应用程序。由于漏洞扫描发现了Jetty服务器依赖项中的问题，我打算升级我的应用程序以使用Jetty服务器 9.4.19-v20190610 （我是最新版本） m写这个。

I have a working application that's been using jetty-server version 9.4.15.v20190215. Due to a vulnerability scan that found issues in jetty-server dependencies, I looked into upgrading my app to use jetty-server 9.4.19-v20190610, the latest release as I'm writing this.

我尝试再次编译应用程序，并且在启动过程中遇到此错误：

I tried to compile the application again, and I'm getting this error during startup:

Exception in thread "main" java.lang.NoClassDefFoundError: org/eclipse/jetty/util/ssl/SslContextFactory$Client
    at org.eclipse.jetty.websocket.client.HttpClientProvider.get(HttpClientProvider.java:49)
    at org.eclipse.jetty.websocket.client.WebSocketClient.<init>(WebSocketClient.java:261)
    at org.eclipse.jetty.websocket.jsr356.ClientContainer.<init>(ClientContainer.java:140)
    at org.eclipse.jetty.websocket.jsr356.server.ServerContainer.<init>(ServerContainer.java:94)
    at org.eclipse.jetty.websocket.jsr356.server.deploy.WebSocketServerContainerInitializer.configureContext(WebSocketServerContainerInitializer.java:152)
    at it.kahoot.merlin.jetty.JettyServer.main(JettyServer.java:53)
Caused by: java.lang.ClassNotFoundException: org.eclipse.jetty.util.ssl.SslContextFactory$Client
    at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 6 more

我知道 org.eclipse.jetty.util.ssl.SslContextFactory $ Client 类是

我该如何进行？

推荐答案

追溯到导致此问题的第一个码头服务器版本，我发现它是码头服务器版本 9.4.16.v20190411 ，其发行说明中提到以下内容：

By tracing back the jetty-server versions to the first one that causes this issue, I found that it's jetty-server version 9.4.16.v20190411, whose release notes mention the following:

jetty-9.4.16.v20190411 - 11 April 2019
 ...
 + 3464 Split SslContextFactory into Client and Server
 ...

给出类名，我认为我需要将 jetty-util 添加到我的依赖项（ pom.xml ），所以我这样做了：

Given the class name, I figured I needed to add jetty-util to my dependencies (pom.xml), so I did:

<!-- pom.xml -->
...
<properties>
  <jetty-version>9.4.19.v20190610</jetty-version>
</properties>

<dependency>
  <groupId>org.eclipse.jetty</groupId>
  <artifactId>jetty-server</artifactId>
  <version>${jetty-version}</version>
</dependency>

<!-- Needed for the SSLContextFactory$Client class -->
<dependency>
  <groupId>org.eclipse.jetty</groupId>
  <artifactId>jetty-util</artifactId>
  <version>${jetty-version}</version>
</dependency>

现在，最新的码头可以重新进行编译和启动。

Compilation and startup now work again with the newest Jetty.

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