如何解决Jersey 3 与 CDI Weld 4 而不是 HK2
我有一个在独立 Jetty 11 中运行的小型 JAX-RS (Jersey 3.0.1) API,但想使用 Weld 4.0.0 而不是 HK2。 Jetty 正确引导 Weld 上下文(Jetty 模块 ci-decorate
已按照 Weld documentation 中的说明安装)
WELD-ENV-001212: Jetty CdiDecoratingListener support detected,CDI injection will be available in Listeners,Servlets and Filters.
在调用 API 端点时发生异常:
WARNING: The following warnings have been detected: WARNING: UnkNown HK2 failure detected:
MultiException stack 1 of 1
org.jboss.weld.exceptions.IllegalStateException: WELD-001304: More than one context active for scope type jakarta.enterprise.context.RequestScoped
at org.jboss.weld.manager.BeanManagerImpl.internalGetContext(BeanManagerImpl.java:672)
at org.jboss.weld.manager.BeanManagerImpl.isContextActive(BeanManagerImpl.java:658)
at org.jboss.weld.bean.ManagedBean.create(ManagedBean.java:163)
at org.jboss.weld.contexts.unbound.DependentContextImpl.get(DependentContextImpl.java:64)
at org.jboss.weld.bean.ContextualInstanceStrategy$DefaultContextualInstanceStrategy.get(ContextualInstanceStrategy.java:100)
at org.jboss.weld.bean.ContextualInstance.get(ContextualInstance.java:50)
at org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.java:694)
at org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.java:717)
at org.jboss.weld.util.ForwardingBeanManager.getReference(ForwardingBeanManager.java:64)
at org.jboss.weld.bean.builtin.BeanManagerProxy.getReference(BeanManagerProxy.java:87)
at org.glassfish.jersey.ext.cdi1x.internal.CdiUtil.getBeanReference(CdiUtil.java:127)
at org.glassfish.jersey.ext.cdi1x.internal.AbstractCdiBeansupplier$1.getInstance(AbstractCdiBeansupplier.java:69)
at org.glassfish.jersey.ext.cdi1x.internal.AbstractCdiBeansupplier._provide(AbstractCdiBeansupplier.java:103)
at org.glassfish.jersey.ext.cdi1x.internal.RequestScopedCdiBeansupplier.get(RequestScopedCdiBeansupplier.java:46)
at org.glassfish.jersey.inject.hk2.InstancesupplierFactoryBridge.provide(InstancesupplierFactoryBridge.java:53)
at org.jvnet.hk2.internal.FactoryCreator.create(FactoryCreator.java:129)
我在 pom.xml 中的依赖如下:
<dependency>
<groupId>org.jboss.weld.servlet</groupId>
<artifactId>weld-servlet-core</artifactId>
<version>4.0.0.Final</version>
</dependency>
<dependency>
<groupId>jakarta.servlet</groupId>
<artifactId>jakarta.servlet-api</artifactId>
<version>5.0.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>jakarta.ws.rs</groupId>
<artifactId>jakarta.ws.rs-api</artifactId>
<version>3.0.0</version>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.containers</groupId>
<artifactId>jersey-container-servlet</artifactId>
<version>3.0.1</version>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.inject</groupId>
<artifactId>jersey-hk2</artifactId>
<version>3.0.1</version>
</dependency>
<dependency>
<groupId>org.glassfish.jersey.ext.cdi</groupId>
<artifactId>jersey-weld2-se</artifactId>
<version>3.0.1</version>
</dependency>
对于 Weld 上下文,文件夹 webapp/WEB-INF/beans.xml 中存在一个空的 beans.xml,声明为 bean-discovery-mode="all"
。
JAX-RS 端点类如下所示:
import de.test.weld.service.AddressRepository;
import jakarta.inject.Inject;
import jakarta.ws.rs.GET;
import jakarta.ws.rs.Path;
import jakarta.ws.rs.Produces;
import jakarta.ws.rs.core.MediaType;
@Path("address")
public class AddressApi {
@Inject
private AddressRepository addressRepository;
@GET
@Produces(MediaType.APPLICATION_JSON)
public String getAddress() {
return "{\"street\": \"" + addressRepository.getStreet(0) + "\",\"postcode\": \"" +
addressRepository.getPostcode(0) + "\",\"city\": \"" + addressRepository.getCity(0) + "\"}";
}
}
我要注入的 bean AddressRepositoryImpl
用 @jakarta.inject.Singleton
注释。
我很感激任何提示,以便它与 CDI Weld 一起使用。
解决方法
问题是错误的依赖
<dependency>
<groupId>org.glassfish.jersey.ext.cdi</groupId>
<artifactId>jersey-weld2-se</artifactId>
<version>3.0.1</version>
</dependency>
仅适用于非 JEE 环境,即 Java 标准版 (SE) 或非 Web 应用程序。
然后仍然缺少以下依赖项:
<dependency>
<groupId>org.glassfish.jersey.ext.cdi</groupId>
<artifactId>jersey-cdi1x</artifactId>
<version>3.0.1</version>
</dependency>
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