Closed connection to HTTPs

[Pedro Santos]

Hello,

I'm having an issue with a request to an HTTP endpoint (without HTTPs works fine).

Example:

(-> @(http/get "https://paypay.acin.pt/paypaybeta/paypayservices/gateway/createPaymentReference") :body bs/to-string)

-> ExceptionInfo connection was closed  clojure.core/ex-info (core.clj:4617)

However, I can curl to it:

curl "https://paypay.acin.pt/paypaybeta/paypayservices/gateway/createPaymentReference"

-> {"success":false,"error":"Invalid supplier. "}

How can I troubleshoot this? Am I missing something? This actually works with other HTTPS endpoints, it's just this one that fails.

Thanks

[Zach Tellman]

When i run this, I get the same behavior as you, and I also see this in the logs:

Aug 10, 2016 8:43:16 AM clojure.tools.logging$eval422$fn__426 invoke

WARNING: error in HTTP client

io.netty.handler.codec.DecoderException: javax.net.ssl.SSLProtocolException: handshake alert:  unrecognized_name

at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:437)

at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:243)

at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)

at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:335)

at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:327)

at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1336)

at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)

at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:335)

at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:911)

at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:123)

at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:544)

at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:485)

at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:399)

at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:371)

at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:742)

at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:145)

at java.lang.Thread.run(Thread.java:745)

Caused by: javax.net.ssl.SSLProtocolException: handshake alert:  unrecognized_name

at sun.security.ssl.ClientHandshaker.handshakeAlert(ClientHandshaker.java:1441)

at sun.security.ssl.SSLEngineImpl.recvAlert(SSLEngineImpl.java:1791)

at sun.security.ssl.SSLEngineImpl.readRecord(SSLEngineImpl.java:1083)

at sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:907)

at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:781)

at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:624)

at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:1098)

at io.netty.handler.ssl.SslHandler.unwrap(SslHandler.java:970)

at io.netty.handler.ssl.SslHandler.decode(SslHandler.java:904)

at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:406)

... 16 more

Searching for that error led me to http://stackoverflow.com/a/14884941, which suggested that running 

(System/setProperty "jsse.enableSNIExtension" "false")

Before making any requests would fix the problem.  I've verified this is the case.

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[Pedro Santos]

Indeed that worked.

Thanks a lot Zack!