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https://issues.apache.org/jira/browse/HTTPCLIENT-2032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16986286#comment-16986286
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Oleg Kalnichevski commented on HTTPCLIENT-2032:
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[~michael-o] And what was the point re-opening the issue, which was reported as
a bug but is essentially unrelated to our project?
Oleg
> Sometimes get a broken pipe error in Java 11 when trying to connect with
> HttpClient
> -----------------------------------------------------------------------------------
>
> Key: HTTPCLIENT-2032
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2032
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient (classic)
> Affects Versions: 4.5.10
> Reporter: Jonathan Smith
> Priority: Major
>
> Connecting with httpclient expecting to get a handshake and/or certificate
> error but sometimes get a broken pipe error (and sometimes I get the desired
> handshake / certificate error).
> It works perfectly fine in Java 8.
> {code:java}
> javax.net.ssl.SSLException: Broken pipe (Write failed) at
> java.base/sun.security.ssl.Alert.createSSLException(Alert.java:127)
> at
> java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:320)
> at
> java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:263)
> at
> java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:258)
> at
> java.base/sun.security.ssl.SSLSocketImpl$AppOutputStream.write(SSLSocketImpl.java:988)
> at
> org.apache.http.impl.io.SessionOutputBufferImpl.streamWrite(SessionOutputBufferImpl.java:124)
> at
> org.apache.http.impl.io.SessionOutputBufferImpl.flushBuffer(SessionOutputBufferImpl.java:136)
> at
> org.apache.http.impl.io.SessionOutputBufferImpl.flush(SessionOutputBufferImpl.java:144)
> at
> org.apache.http.impl.BHttpConnectionBase.doFlush(BHttpConnectionBase.java:174)
> at
> org.apache.http.impl.DefaultBHttpClientConnection.flush(DefaultBHttpClientConnection.java:183)
> at org.apache.http.impl.conn.CPoolProxy.flush(CPoolProxy.java:167)
> at
> org.apache.http.protocol.HttpRequestExecutor.doSendRequest(HttpRequestExecutor.java:241)
> at
> org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:123)
> at
> org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:272)
> at
> org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
> at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
> at
> org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
> at
> org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
> at
> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
> at
> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:221)
> at
> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:165)
> at
> org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:140)Caused
> by: java.net.SocketException: Broken pipe (Write failed)
> at java.base/java.net.SocketOutputStream.socketWrite0(Native Method)
> at
> java.base/java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:110)
> at
> java.base/java.net.SocketOutputStream.write(SocketOutputStream.java:150)
> at
> java.base/sun.security.ssl.SSLSocketOutputRecord.deliver(SSLSocketOutputRecord.java:319)
> at
> java.base/sun.security.ssl.SSLSocketImpl$AppOutputStream.write(SSLSocketImpl.java:983)
> ... 36 more
> {code}
> As you can see, the SessionOutputBufferImpl tries to flush but hits the
> broken pipe. Could it be that the socket has already flushed itself sometimes
> and thus resulting in the connection/socket being closed before the explicit
> flush is called?
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