"无法将 org.glassfish.jersey.inject.hk2.Hk2InjectionManagerFactory 转换为 org.glassfish.jersey.internal.inject.InjectionManagerFactory"

Question

I am getting the following exception when using javax HTTP client.使用 javax HTTP 客户端时出现以下异常。 Any idea why this might be happening?知道为什么会发生这种情况吗？

java.lang.ClassCastException: Cannot cast org.glassfish.jersey.inject.hk2.Hk2InjectionManagerFactory to org.glassfish.jersey.internal.inject.InjectionManagerFactory
    at java.lang.Class.cast(Class.java:3369)
    at org.glassfish.jersey.internal.ServiceFinder$LazyObjectIterator.hasNext(ServiceFinder.java:714)
    at org.glassfish.jersey.internal.inject.Injections.lookupService(Injections.java:112)
    at org.glassfish.jersey.internal.inject.Injections.lookupInjectionManagerFactory(Injections.java:97)
    at org.glassfish.jersey.internal.inject.Injections.createInjectionManager(Injections.java:68)
    at org.glassfish.jersey.client.ClientConfig$State.initRuntime(ClientConfig.java:432)
    at org.glassfish.jersey.internal.util.collection.Values$LazyValueImpl.get(Values.java:341)
    at org.glassfish.jersey.client.ClientConfig.getRuntime(ClientConfig.java:826)
    at org.glassfish.jersey.client.ClientRequest.getConfiguration(ClientRequest.java:285)
    at org.glassfish.jersey.client.JerseyInvocation.validateHttpMethodAndEntity(JerseyInvocation.java:143)
    at org.glassfish.jersey.client.JerseyInvocation.<init>(JerseyInvocation.java:112)
    at org.glassfish.jersey.client.JerseyInvocation.<init>(JerseyInvocation.java:108)
    at org.glassfish.jersey.client.JerseyInvocation.<init>(JerseyInvocation.java:99)
    at org.glassfish.jersey.client.JerseyInvocation$AsyncInvoker.method(JerseyInvocation.java:706)
    at org.glassfish.jersey.client.JerseyInvocation$AsyncInvoker.get(JerseyInvocation.java:566)

Answer 1

It certainly is a classloader issue;这当然是一个类加载器问题； I have recently faced the same problem with Jersey 2.35.我最近在 Jersey 2.35 上遇到了同样的问题。 What In understand, Jersey internals in terms of dependency injection architecture has changed (Refer this post: wypieprz answer<\/a> ).据了解，Jersey 内部在依赖注入架构方面发生了变化（请参阅这篇文章： wypieprz answer<\/a> ）。

The above occurs due to 'classloader shadowing' (if there is such a term).上述情况是由于“类加载器阴影”（如果有这样的术语）而发生的。 the contention is between the container class loader (in my case Tomcat JARClassLoader) and web-app class loader (WebbAppClassLoader of Tomcat).争用是在容器类加载器（在我的例子中是 Tomcat JARClassLoader）和 web-app 类加载器（Tomcat 的 WebbAppClassLoader）之间。

Since class loaded by different class loaders are not considered same.由于不同类加载器加载的类不被认为是相同的。 Therefore, in your case (and as was in mine), the 'Hk2InjectionManagerFactory' class and the 'InjectionManagerFactory' class was loaded by different class loaders and therefore the assignment fails with class cast exception.因此，在您的情况下（和我的情况一样），“Hk2InjectionManagerFactory”类和“InjectionManagerFactory”类是由不同的类加载器加载的，因此分配失败并出现类转换异常。

In my case, the problem was, I had, 'jersey-common' and 'jersey-client' on both web-app and Tomcat common loader (container class path).就我而言，问题是，我在 web-app 和 Tomcat 通用加载器（容器类路径）上都有“jersey-common”和“jersey-client”。 This caused the problem.这导致了问题。

The solution was to move all the Jersey related classes to WEB-INF\/lib and the library which depended upon jersey-client also to WEB-INF lib.解决方案是将所有与 Jersey 相关的类移动到 WEB-INF\/lib，并将依赖于 jersey-client 的库也移动到 WEB-INF lib。

In addition, also check your classpath (container class path), if there are any other older versions of jersey related jars.此外，还要检查你的类路径（容器类路径），是否还有其他旧版本的球衣相关 jar。

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"无法将 org.glassfish.jersey.inject.hk2.Hk2InjectionManagerFactory 转换为 org.glassfish.jersey.internal.inject.InjectionManagerFactory"

问题描述

1 个解决方案

解决方案1
0 2022-02-05 18:51:50

"无法将 org.glassfish.jersey.inject.hk2.Hk2InjectionManagerFactory 转换为 org.glassfish.jersey.internal.inject.InjectionManagerFactory"

问题描述

1 个解决方案

解决方案1 0 2022-02-05 18:51:50

解决方案1
0 2022-02-05 18:51:50