Question

错误

org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service（） for servlet [org.javaee7.jaxrs.serversentevent.MyApplication] in 路径[/broadcast-0.0.1-SNAPSHOT]的上下文抛出异常[Servlet 执行引发异常]有根本原因 java.lang.AbstractMethodError： javax.ws.rs.core.UriBuilder.uri（Ljava /郎/字符串;）Ljavax / WS / RS /型芯/ UriBuilder; 在javax.ws.rs.core.UriBuilder.fromUri（UriBuilder.java:119）at com.sun.jersey.spi.container.servlet.ServletContainer.service（ServletContainer.java:669）在javax.servlet.http.HttpServlet.service（HttpServlet.java:725）at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:301）在 org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）在 org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:219）在 org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:106）在 org.apache.catalina.authenticator.AuthenticatorBase.invoke（AuthenticatorBase.java:503）在 org.apache.catalina.core.StandardHostValve.invoke（StandardHostValve.java:136）在 org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:74）在 org.apache.catalina.valves.AbstractAccessLogValve.invoke（AbstractAccessLogValve.java:610）在 org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:88）在 org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:516）在 org.apache.coyote.http11.AbstractHttp11Processor.process（AbstractHttp11Processor.java:1015）在 org.apache.coyote.AbstractProtocol $ AbstractConnectionHandler.process（AbstractProtocol.java:652）在 org.apache.coyote.http11.Http11NioProtocol $ Http11ConnectionHandler.process（Http11NioProtocol.java:222）在 org.apache.tomcat.util.net.NioEndpoint $ SocketProcessor.doRun（NioEndpoint.java:1575）在 org.apache.tomcat.util.net.NioEndpoint $ SocketProcessor.run（NioEndpoint.java:1533） at java.util.concurrent.ThreadPoolExecutor.runWorker（Unknown Source） at java.util.concurrent.ThreadPoolExecutor $ Worker.run（Unknown Source）在java.lang.Thread.run（未知来源）

的pom.xml

<dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
        <dependency>
            <groupId>org.glassfish.jersey.media</groupId>
            <artifactId>jersey-media-sse</artifactId>
            <version>2.0-m13-2</version>
        </dependency>
        <dependency>
    <groupId>com.sun.jersey</groupId>
    <artifactId>jersey-servlet</artifactId>
    <version>1.19</version>
</dependency>
  </dependencies>

我的tomcat版本是8.0。

Java代码：

import javax.ws.rs.ApplicationPath;
import org.glassfish.jersey.media.sse.SseFeature;
import org.glassfish.jersey.server.ResourceConfig;

@ApplicationPath("webresources")
public class MyDemo extends ResourceConfig {
    public MyDemo() {
        super(MyResource.class, SseFeature.class);
    }
}

import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedQueue;
import javax.ws.rs.Consumes;
import javax.ws.rs.FormParam;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import org.glassfish.jersey.media.sse.EventOutput;
import org.glassfish.jersey.media.sse.OutboundEvent;
import org.glassfish.jersey.media.sse.SseBroadcaster;
import org.glassfish.jersey.media.sse.SseFeature;


@Path("test")
public class MyResource {

    private static final SseBroadcaster BROADCASTER = new SseBroadcaster();

    @GET
    @Path("hello")
    @Produces(SseFeature.SERVER_SENT_EVENTS)
    public EventOutput itemEvents() {
        final EventOutput eventOutput = new EventOutput();
        BROADCASTER.add(eventOutput);
        return eventOutput;
    }

    @POST
    public void addItem(e) {

        BROADCASTER.broadcast(new OutboundEvent.Builder().data(String.class, "hello").build());

    }
}

Answer 1

您的错误日志清楚地说明了您的问题。你的依赖没有问题。您试图调用抽象方法uri。检查此documentation。您必须找到一个实现此uri方法的类。

以下java代码的正确pom依赖是什么？

1 个答案: