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我正在尝试将 Artimis-MQ 客户端迁移到 quarkus 微服务。当尝试发送消息时,我始终收到“流未连接”错误。
我尝试遵循答案中的建议(使用 microprofile-reactive-messaging):Quarkus with ActiveMQ?
在我的 build.gradle 中:
dependencies {
// ...
implementation enforcedPlatform("io.quarkus:quarkus-bom:0.15.0")
implementation 'io.quarkus:quarkus-resteasy'
implementation 'io.quarkus:quarkus-resteasy-jsonb'
implementation 'io.quarkus:quarkus-smallrye-metrics'
implementation 'io.quarkus:quarkus-smallrye-health'
implementation 'io.quarkus:quarkus-smallrye-reactive-messaging'
implementation 'io.quarkus:quarkus-vertx'
implementation 'io.smallrye.reactive:smallrye-reactive-messaging-amqp:0.0.8'
}
示例休息端点,将消息转发到 AMQP
@Path("/send")
public class MessageResource {
@Inject
@Stream("emitter-topic")
Emitter<String> topic;
@GET
@Produces(MediaType.TEXT_PLAIN)
public String send(@QueryParam("msg") final String msg) {
final String message = Objects.requireNonNullElse(msg, "").isBlank() ? "no message" : msg;
topic.send(message);
return "sent: " + message;
}
}
在src/main/resources/application.properties
中:
smallrye.messaging.source.emitter-topic.type=io.smallrye.reactive.messaging.amqp.Amqp
smallrye.messaging.source.emitter-topic.address=test-amqp
smallrye.messaging.source.emitter-topic.containerId=test-clientid
smallrye.messaging.source.emitter-topic.host=localhost
smallrye.messaging.source.emitter-topic.port=5672
我不断看到“非法状态异常”。我可以从日志中看出,smallrye 找到了 amqp 连接器,但从未真正初始化连接。
2019-06-02 12:19:50,055 INFO [io.sma.rea.mes.ext.MediatorManager] (main) Deployment done... start processing
2019-06-02 12:19:50,101 INFO [io.sma.rea.mes.imp.ConfiguredStreamFactory] (main) Found incoming connectors: [class io.smallrye.reactive.messaging.amqp.Amqp]
2019-06-02 12:19:50,102 INFO [io.sma.rea.mes.imp.ConfiguredStreamFactory] (main) Found outgoing connectors: [class io.smallrye.reactive.messaging.amqp.Amqp]
2019-06-02 12:19:50,103 INFO [io.sma.rea.mes.imp.ConfiguredStreamFactory] (main) Stream manager initializing...
2019-06-02 12:19:50,106 INFO [io.sma.rea.mes.imp.LegacyConfiguredStreamFactory] (main) Stream manager initializing...
2019-06-02 12:19:50,125 INFO [io.sma.rea.mes.ext.MediatorManager] (main) Initializing mediators
2019-06-02 12:19:50,127 INFO [io.sma.rea.mes.ext.MediatorManager] (main) Connecting mediators
2019-06-02 12:19:50,136 INFO [io.quarkus] (main) Quarkus 0.15.0 started in 1.487s. Listening on: http://[::]:8080
2019-06-02 12:19:50,137 INFO [io.quarkus] (main) Installed features: [cdi, resteasy, resteasy-jsonb, smallrye-health, smallrye-metrics, smallrye-reactive-messaging, smallrye-reactive-streams-operators, vertx]
2019-06-02 12:20:01,964 ERROR [io.und.request] (executor-thread-1) UT005023: Exception handling request to /send: org.jboss.resteasy.spi.UnhandledException: java.lang.IllegalStateException: Stream not yet connected
at org.jboss.resteasy.core.ExceptionHandler.handleApplicationException(ExceptionHandler.java:106)
at org.jboss.resteasy.core.ExceptionHandler.handleException(ExceptionHandler.java:372)
at org.jboss.resteasy.core.SynchronousDispatcher.writeException(SynchronousDispatcher.java:209)
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:496)
at org.jboss.resteasy.core.SynchronousDispatcher.lambda$invoke$4(SynchronousDispatcher.java:252)
at org.jboss.resteasy.core.SynchronousDispatcher.lambda$preprocess$0(SynchronousDispatcher.java:153)
at org.jboss.resteasy.core.interception.jaxrs.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:362)
at org.jboss.resteasy.core.SynchronousDispatcher.preprocess(SynchronousDispatcher.java:156)
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:238)
at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:234)
at io.quarkus.resteasy.runtime.ResteasyFilter$ResteasyResponseWrapper.sendError(ResteasyFilter.java:72)
at io.undertow.servlet.handlers.DefaultServlet.doGet(DefaultServlet.java:175)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:686)
最佳答案
好的,我解决了我的问题。在application.properties
中,我有source
和sink
向后。将emitter-topic
描述为接收器,而不是源解决了问题。
关于java - 如何将 react 流连接到 quarkus/smallrye 中的 AMQP 代理,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/56416855/
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