使用Apache Camel管理超时

时间:2018-08-24 20:04:22

标签: java request apache-camel timeout

我具有以下路线定义:

@Override
public void configure() throws Exception {
    from(String.format("direct:%s", this.connector))
    .id("Route1")
    .threads()
    .maxPoolSize(10)
    .keepAliveTime(3000)
    .timeUnit(TimeUnit.MICROSECONDS)
    .poolSize(1)
    .rejectedPolicy(ThreadPoolRejectedPolicy.Abort)
    .log("Calling WS")
    .maxQueueSize(1)
    .to("http://10.8.4.9:8080/service");
}

上面的请求片段:

InputStream exchange = (InputStream) template
            .requestBodyAndHeaders(url, AppUtil.parse(this.body, input), this.headers);

该端点是故意不可用的。因此,我希望我的请求等待3秒钟并抛出一些异常作为响应。插入后,会发生以下行为:

    2018-08-24 16:55:55,048 DEBUG http-nio-8081-exec-2 httpclient.HttpMethodDirector:443 - Connection timed out: connect
java.net.ConnectException: Connection timed out: connect
    at java.net.DualStackPlainSocketImpl.connect0(Native Method)
    at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
        at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
        at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
        at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
        at java.net.PlainSocketImpl.connect(Unknown Source)
        at java.net.SocksSocketImpl.connect(Unknown Source)
... more stack...
    at java.lang.Thread.run(Unknown Source)
2018-08-24 16:56:38,333  INFO http-nio-8081-exec-2 httpclient.HttpMethodDirector:445 - Retrying request
2018-08-24 16:56:38,417 DEBUG http-nio-8081-exec-2 httpclient.HttpConnection:692 - Open connection to 10.8.4.9:8080/service

骆驼重试3次,不遵守超时。

我尝试使用:

onException(ConnectException.class)
.maximumRedeliveries(0);

没有成功...

我错过了什么?

1 个答案:

答案 0 :(得分:0)

.keepAliveTime(3000)不适用于HTTP端点,它是Java本身中JVM线程池的API。您可以在用于线程池的Java API中阅读有关此选项的信息,并且在Camel DSL中该方法也有一些javadoc。

如果您需要HTTP连接超时等,则需要在http端点上设置特定选项。

https://github.com/apache/camel/blob/master/components/camel-http4/src/main/docs/http4-component.adoc#using-client-timeout---so_timeout