为什么调度会抛出;java.net.ConnectException:General SSLEngine…“一般;及;“意外状态”;特定URL的例外情况?
我有以下非工作代码:为什么调度会抛出;java.net.ConnectException:General SSLEngine…“一般;及;“意外状态”;特定URL的例外情况?,java,scala,http,web,scala-dispatch,Java,Scala,Http,Web,Scala Dispatch,我有以下非工作代码: object Main extends App { import dispatch._ def test(address: String) = { Await.result(Http.default(url(address).GET OK as.String), Duration.Inf) } // This works fine val s1 = test("http://download.finance.yahoo.com/d/quote
object Main extends App {
import dispatch._
def test(address: String) = {
Await.result(Http.default(url(address).GET OK as.String), Duration.Inf)
}
// This works fine
val s1 = test("http://download.finance.yahoo.com/d/quotes.csv?s=MSFT&f=sohgbav")
println(s1)
// This throws Exception 1
val s2 = test("http://www.alphavantage.co/query?function=TIME_SERIES_DAILY_ADJUSTED&symbol=MSFT&apikey=demo&datatype=csv")
println(s2)
// This throws Exception 2
val s3 = test("https://www.alphavantage.co/query?function=TIME_SERIES_DAILY_ADJUSTED&symbol=MSFT&apikey=demo&datatype=csv")
println(s3)
}
我想知道为什么“s1”工作正常,而“s2”和“s3”抛出异常。引发的异常包括:
例外情况1:
[error] ! access URL
[error] java.util.concurrent.ExecutionException: dispatch.StatusCode: Unexpected response status: 301 (NettyResponseFuture.java:172)
[error] org.asynchttpclient.netty.NettyResponseFuture.get(NettyResponseFuture.java:172)
[error] dispatch.HttpExecutor.$anonfun$apply$3(execution.scala:123)
例外情况2:
[error] ! access URL
[error] java.util.concurrent.ExecutionException: java.net.ConnectException: General SSLEngine problem (NettyResponseFuture.java:172)
[error] org.asynchttpclient.netty.NettyResponseFuture.get(NettyResponseFuture.java:172)
[error] dispatch.HttpExecutor.$anonfun$apply$3(execution.scala:123)
此外,当我通过Safari web浏览器访问这三个URL时,它们都能正常工作。为什么第一个URL可以通过分派正常工作,但最后两个不行?如果您想信任所有证书,如链接播放示例中所示,请尝试以下操作:
Http.withConfiguration(config => config.setAcceptAnyCertificate(true))(url(address).GET OK as.String)
为了创建一个验证证书的Http客户机,我在这里找到了一些示例代码:。我理解为什么我得到“s2”的状态301。Alpha Vantage希望我使用“https”而不是“http”。不过,我还是有点惊讶,Safari似乎能从301自动恢复并成功下载数据,而Dispatch却没有。但主要的问题是“s3”的异常2,当我使用“https”时。但是我如何做类似于调度的事情呢?调度0.11和0.13之间有变化吗?