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Enhancement
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Resolution: Done
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Minor
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None
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None
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None
According to RFC2732 , section 2. Literal IPv6 Address Format in URL's Syntax and HTTP header field definition specification, correct host name and request URL should be enclosed like following one: http://[fe80::56ee:75ff:fe47:c83e].
In case the Undertow is configured as a static loadbalancer using reverse proxy and client creates request with incorrectly enclosed host name (i.e request for http://fe80::56ee:75ff:fe47:c83e) parsing of address fails with following exception the log.
10:36:20,823 ERROR [org.xnio.listener] (default I/O-4) XNIO001007: A channel event listener threw an exception: java.lang.NumberFormatException: For input string: ":56ee:75ff:fe47:c83e" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) at java.lang.Integer.parseInt(Integer.java:580) at java.lang.Integer.parseInt(Integer.java:615) at io.undertow.server.HttpServerExchange.getHostPort(HttpServerExchange.java:658) at io.undertow.server.handlers.proxy.ProxyHandler$ProxyAction.run(ProxyHandler.java:489) at io.undertow.util.SameThreadExecutor.execute(SameThreadExecutor.java:35) at io.undertow.server.HttpServerExchange.dispatch(HttpServerExchange.java:794) at io.undertow.server.handlers.proxy.ProxyHandler$ProxyClientHandler.completed(ProxyHandler.java:293) at io.undertow.server.handlers.proxy.ProxyHandler$ProxyClientHandler.completed(ProxyHandler.java:267) at io.undertow.server.handlers.proxy.LoadBalancingProxyClient$2.completed(LoadBalancingProxyClient.java:281) at io.undertow.server.handlers.proxy.LoadBalancingProxyClient$2.completed(LoadBalancingProxyClient.java:259) at io.undertow.server.handlers.proxy.ProxyConnectionPool.connectionReady(ProxyConnectionPool.java:330) at io.undertow.server.handlers.proxy.ProxyConnectionPool.access$900(ProxyConnectionPool.java:58) at io.undertow.server.handlers.proxy.ProxyConnectionPool$1.completed(ProxyConnectionPool.java:278) at io.undertow.server.handlers.proxy.ProxyConnectionPool$1.completed(ProxyConnectionPool.java:265) at io.undertow.client.http.HttpClientProvider.handleConnected(HttpClientProvider.java:156) at io.undertow.client.http.HttpClientProvider.access$000(HttpClientProvider.java:51) at io.undertow.client.http.HttpClientProvider$2.handleEvent(HttpClientProvider.java:127) at io.undertow.client.http.HttpClientProvider$2.handleEvent(HttpClientProvider.java:124) at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92) at org.xnio.nio.WorkerThread$ConnectHandle.handleReady(WorkerThread.java:326) at org.xnio.nio.WorkerThread.run(WorkerThread.java:567)
This happens because enclosed host name is expected.
Correct format of IPv6 address should be checked and more informative exception should be thrown.
- clones
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- Closed
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