[英]JAX_RS - MessageBodyProviderNotFoundException: MessageBodyWriter not found for ArrayList
I am writing a JAX_RS application using Jersey. 我正在使用Jersey编写JAX_RS应用程序。 All endpoints which return a single object as JSON work fine in Tomcat and WildFly.
所有以JSON返回单个对象的端点都可以在Tomcat和WildFly中正常工作。
One endpoint which returns a collection of objects works absolutely fine in Tomcat. 一个返回对象集合的端点在Tomcat中绝对可以正常工作。 However, when I deploy the same service in WildFly 10.1.0 it fails.
但是,当我在WildFly 10.1.0中部署相同的服务时,它将失败。
Function is given below: 功能如下:
@POST
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
public Response searchForActivities(ActivitySearch search) {
System.out.println(search.getDescriptions() + ", " + search.getDurationFrom());
List<Activity> activities = activityRepository.findByConstraints(search);
if(activities == null || activities.size() <= 0) {
return Response.status(Status.NOT_FOUND).build();
}
return Response.ok().entity(new GenericEntity<List<Activity>> (activities) {}).build();
}
Stack trace is given below: 堆栈跟踪如下:
javax.servlet.ServletException: org.glassfish.jersey.message.internal.MessageBodyProviderNotFoundException: MessageBodyWriter not found for media type=application/json, type=class java.util.ArrayList, genericType=class java.util.ArrayList.
org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:373)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:372)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:335)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:218)
io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)
io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81)
io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138)
io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)
io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
io.undertow.servlet.api.LegacyThreadSetupActionWrapper$1.call(LegacyThreadSetupActionWrapper.java:44)
io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104)
io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:805)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
java.lang.Thread.run(Thread.java:745)
However, a function simply returning List<Activity>
works in Tomcat and WildFly without any issue. 但是,仅返回
List<Activity>
的函数可以在Tomcat和WildFly中正常工作。 See the definition of the function below: 请参见下面的函数定义:
@GET
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
public List<Activity> getAllActivities() {
return activityRepository.findAllActivities();
}
The example seems to be tied heavily to Jersey. 这个例子似乎与泽西岛紧密相关。 You'd need to modify the POM to use the WildFly BOM (
org.wildfly.bom:wildfly-javaee7-with-tools:10.1.0.Final
). 您需要修改POM以使用WildFly BOM(
org.wildfly.bom:wildfly-javaee7-with-tools:10.1.0.Final
)。 Then import the JAX-RS dependencies or use the Java EE 7 maven coordinates ( also helpful ). 然后导入JAX-RS依赖项或使用Java EE 7 Maven坐标 ( 也有帮助 )。
If you want a more generic JAX-RS client example that should work with any Java EE 7 complient container have a look at the WildFly JAX-RS Client quickstart . 如果要使用可与任何符合Java EE 7的容器兼容的更通用的JAX-RS客户端示例,请查看WildFly JAX-RS客户端quickstart 。 Or any of the Java EE Samples .
或任何Java EE示例 。
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