Ken*_*ker 3 java maven wildfly keycloak
我正在实现一个 Keycloak 身份验证提供程序(适用于 Keycloak 6.0.1),当用户临时锁定时它会返回一条消息(如在 Keycloak Custom message on usertemporary lock 中指定的那样)
当我这样做时,mvn clean install wildfly:deploy我得到:
[ERROR] Caused by: java.util.ServiceConfigurationError: org.keycloak.authentication.AuthenticatorFactory: Provider com.mumba.cloud.authenticator.LockedUserAuthenticatorFactory could not be instantiated
[ERROR] Caused by: java.lang.NoClassDefFoundError: Failed to link com/mumba/cloud/authenticator/LockedUserAuthenticator (Module \"deployment.lockeduser-authenticator-1.0-SNAPSHOT.jar\" from Service Module Loader): org/keycloak/authentication/authenticators/browser/UsernamePasswordForm"}}}}
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我正在寻找一些帮助来了解如何追踪为什么我收到 java.lang.NoClassDefFoundError 以及为什么 Maven (或者可能是 Wildfly)似乎找不到 org/keycloak/authentication/authenticators/browser/UsernamePasswordForm
这不是编译时错误,我相信下面的导入语句对于 UsernamePasswordForm 是正确的(请参阅下面的代码)。
我还认为我已正确地将依赖项(keycloak-services)添加到我的 pom.xml 中(见下文)。
我对 Maven(以及 Java/Keycloak 开发)非常陌生,所以我不确定在哪里挖掘来追踪这一点。
有人有任何指点吗?
package com.mumba.cloud.authenticator;
import org.keycloak.authentication.authenticators.browser.UsernamePasswordForm;
public class LockedUserAuthenticator extends UsernamePasswordForm {
@Override
protected String tempDisabledError() {
return "ACCOUNT IS temporarily disabled.";
}
}
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我的 pom.xml 包括:
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<keycloak-version>6.0.1</keycloak-version>
<maven.test.skip>true</maven.test.skip>
</properties>
<dependencies>
<dependency>
<groupId>org.keycloak</groupId>
<artifactId>keycloak-core</artifactId>
<version>${keycloak-version}</version>
</dependency>
<dependency>
<groupId>org.keycloak</groupId>
<artifactId>keycloak-services</artifactId>
<version>${keycloak-version}</version>
</dependency>
...
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小智 5
您需要添加显式依赖项以避免运行时的类加载问题。以下是您需要添加到您的pom.xml:
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<!-- This is required since we need to add the jboss module references
to the resulting jar -->
<manifestEntries>
<!-- Adding explicit dependencies to avoid class-loading issues at runtime -->
<Dependencies>
<![CDATA[org.keycloak.keycloak-core,org.keycloak.keycloak-services]]></Dependencies>
</manifestEntries>
</archive>
</configuration>
</plugin>
</plugins>
</build>
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另外,provided为您的依赖项添加范围,如下所示:
<dependency>
<groupId>org.keycloak</groupId>
<artifactId>keycloak-services</artifactId>
<version>${keycloak.version}</version>
<scope>provided</scope>
</dependency>
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