This failure was seen once in 9 b79 same binaries run on Solaris 11 X64.
There are history bugs which showing the same exception messagesin JDK-8068044 or JDK-8068250 (but different tests) .

See the test output:
----------System.out:(35/1782)----------
--Compiling first version of /scratch/export/home/aurora/sandbox_keepme/results/run_422/testoutput/tier2/JTwork/classes/8/com/sun/jdi/aa31489/shtest.java with options: -g
compiling shtest.java

--Compiling second version of /scratch/export/home/aurora/sandbox_keepme/results/run_422/testoutput/tier2/JTwork/classes/8/com/sun/jdi/aa31489/shtest.java with -g

--Starting jdb, address=
Listening at address: scaaa617.us.oracle.com:59994
--Starting debuggee with args from TESTVMOPTS and/or TESTJAVAOPTS: -ea -esa -Xmx512m
Cmd: /scratch/export/home/aurora/sandbox_keepme/jdk/bin/java -classpath /scratch/export/home/aurora/sandbox_keepme/results/run_422/testoutput/tier2/JTwork/classes/8/com/sun/jdi/aa31489 -DHANGINGJAVA-31489_DEB -ea -esa -Xmx512m -Djtreg.classDir=/scratch/export/home/aurora/sandbox_keepme/results/run_422/testoutput/tier2/JTwork/classes/8/com/sun/jdi/aa31489 -showversion -agentlib:jdwp=transport=dt_socket,address=59994,server=n,suspend=y shtest
Set uncaught java.lang.Throwable
Set deferred uncaught java.lang.Throwable
Initializing jdb ...

VM Started: > No frames on the current call stack

main[1] Deferring breakpoint shtest:10.
It will be set after the class is loaded.
main[1] > Set deferred breakpoint shtest:10

Breakpoint hit: "thread=main", shtest.m2(), line=10 bci=0
10 if (i < 0 || j < 0) { // @1 breakpoint

main[1] main[1] Set breakpoint shtest:10
main[1] > I'm here

Breakpoint hit: "thread=main", shtest.m2(), line=10 bci=0
10 if (i < 0 || j < 0) { // @1 breakpoint

main[1] [1] shtest.m2 (shtest.java:10)
  [2] shtest.m1 (shtest.java:6)
  [3] shtest.<init> (shtest.java:18)
  [4] shtest.main (shtest.java:22)
main[1] >
The application exited
Input stream closed.
----------System.err:(19/872)----------
ShellScaffold.sh: Version
--Sending cmd: stop at shtest:10
--Sending cmd: run
java version "1.9.0-ea"
Java(TM) SE Runtime Environment (build 1.9.0-ea-b79)
Java HotSpot(TM) 64-Bit Server VM (build 1.9.0-ea-b79, mixed mode)

--Sending cmd: redefine shtest /scratch/export/home/aurora/sandbox_keepme/results/run_422/testoutput/tier2/JTwork/classes/8/com/sun/jdi/aa31489/vers2/shtest.class
--Sending cmd: stop at shtest:10
--Sending cmd: cont
--Sending cmd: where
--Sending cmd: cont
--JDB finished: The application exited
--Finish without sending "quit" command to JDB
-rw-r--r-- 1 aurora auroragrp 52 Sep 8 09:25 /scratch/export/home/aurora/sandbox_keepme/results/run_422/testoutput/tier2/JTwork/classes/8/com/sun/jdi/aa31489/testFailed
<cleanup:_begin_failFile_contents>
 
--Fail: main: jdb input stream closed prematurely