hg: jdk/sandbox: http-client-branch: more debugging, and hopefully a fix, for a FlowTest intermittent failure (ERROR AT END)

[daniel.fuchs at oracle.com]

Changeset: 2c38de4b50bd
Author:    dfuchs
Date:      2017-11-20 15:46 +0000
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/2c38de4b50bd

http-client-branch: more debugging, and hopefully a fix, for a FlowTest intermittent failure (ERROR AT END)

! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/internal/common/SubscriberWrapper.java
! test/jdk/java/net/httpclient/whitebox/jdk.incubator.httpclient/jdk/incubator/http/FlowTest.java