Looks like a test was missed by the changes in JDK-8055747. Here's an example:

#Test Results (version 2)
#Tue Aug 26 13:37:47 BST 2014
#checksum:1a23c923c068763e
#-----testdescription-----
$file=/scratch/jenkins/jobs/jdk9-dev-build/workspace/jdk/test/sun/net/www/protocol/http/RedirectOnPost.java
$root=/scratch/jenkins/jobs/jdk9-dev-build/workspace/jdk/test
keywords=bug8029127 othervm
run=USER_SPECIFIED compile ../../../../../com/sun/net/httpserver/SimpleSSLContext.java RedirectOnPost.java\nUSER_SPECIFIED main/othervm RedirectOnPost\n
source=RedirectOnPost.java
title=A redirect POST request does not work and illegalStateException on HttpURLConnection.getInputStream

#-----environment-----

#-----testresult-----
description=file\:/scratch/jenkins/jobs/jdk9-dev-build/workspace/jdk/test/sun/net/www/protocol/http/RedirectOnPost.java
elapsed=1 0\:00\:00.001
end=Tue Aug 26 13\:37\:47 BST 2014
environment=regtest
execStatus=Error. failed to clean up files after test
hostname=ipwaa69.uk.oracle.com
javatestOS=Linux 3.8.13-35.1.1.el6uek.x86_64 (amd64)
javatestVersion=4.4
jtregVersion=jtreg 4.1 fcs b09
script=com.sun.javatest.regtest.RegressionScript
sections=script_messages
start=Tue Aug 26 13\:37\:47 BST 2014
test=sun/net/www/protocol/http/RedirectOnPost.java
user.name=jenkins
work=/scratch/jenkins/jobs/jdk9-dev-build/workspace/JTwork/sun/net/www/protocol/http

#section:script_messages
----------messages:(2/177)----------
No scratch directory
Test result (overridden): Error. Parse Exception: Test Class Exception: Can't find source file: ../../../../../com/sun/net/httpserver/SimpleSSLContext.java


test result: Error. failed to clean up files after test