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From "Alex O'Ree" <alexo...@apache.org>
Subject intermittent connectivity failure under ssl
Date Fri, 02 Mar 2018 15:19:27 GMT
Ran into a strange problem, not too sure what the problem is. Basically,
I'm getting intermittent connectivity from a http client to tomcat but only
through SSL using the Http11NioProtocol. Some http requests go through,
others fail with the stack trace below. Usually, restarting tomcat fixes
it, but it appears to be random and unpredictable. This is a bit of a major
issue for me so any help is appreciated.

Any pointers for how to troubleshoot this? Running tomcat 8.5.28.

There's no tomcat logs to indicate that there's a problem. The following is
logged on the client side:

Caused by: java.net.SocketException: SocketException invoking
https://localhost:8443/myproject/services/Endpoint1: Unexpected end of
file from server

<snip>

Caused by: java.net.SocketException: Unexpected end of file from server
        at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:792)
        at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:647)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1536)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1441)
        at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
        at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:338)
        at org.apache.cxf.transport.http.URLConnectionHTTPConduit$URLConnectionWrappedOutputStream.getResponseCode(URLConnectionHTTPConduit.java:266)
        at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponseInternal(HTTPConduit.java:1543)
        at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:1513)
        at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1318)
        ... 46 more

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