FULL PRODUCT VERSION :
JDK 9build120

ADDITIONAL OS VERSION INFORMATION :
4.4.0-22-generic #40-Ubuntu SMP Thu May 12 22:03:46 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

A DESCRIPTION OF THE PROBLEM :
When a lsit shall be assigned, jshell crashes

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
jshell> List<Long> numbers = new ArrayList<>();
numbers ==> []
                                                                                                                                                                                                               
jshell> Random random = new Random();
random ==> java.util.Random@5622fdf
                                                                                                                                                                                                               
jshell> int max = 1000000 + random.nextInt(1000000);
max ==> 1054302
                                                                                                                                                                                                               
jshell> for (int i = 0; i < max; i++) {
   ...> numbers.add((long)random.nextInt(100));
   ...> }
                                                                                                                                                                                                               
jshell> numbers.stream().count()
$10 ==> 1054302
(Its possible to use the list)
jshell> numbers
                                           
| State engine terminated.
| Restore definitions with: /reload -restore
Exception in thread "main" java.io.UTFDataFormatException
        at java.io.ObjectOutputStream$BlockDataOutputStream.writeUTF(java.base@9-ea/ObjectOutputStream.java:2169)
        at java.io.ObjectOutputStream$BlockDataOutputStream.writeUTF(java.base@9-ea/ObjectOutputStream.java:2012)
        at java.io.ObjectOutputStream.writeUTF(java.base@9-ea/ObjectOutputStream.java:869)
        at jdk.internal.jshell.remote.RemoteAgent.commandLoop(jdk.jshell@9-ea/RemoteAgent.java:138)
        at jdk.internal.jshell.remote.RemoteAgent.main(jdk.jshell@9-ea/RemoteAgent.java:62)
numbers ==>
 

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
the list shall be assigned to a new variable
ACTUAL -
Exception

REPRODUCIBILITY :
This bug can be reproduced always.