NullPointerException trying to load json array

[seanfisher1111]

I have not been able to get a json array file to load successfully.
I keep getting null pointer errors.

My environment:

• I'm using the latest pre-compiled version of cassandra loader (v0.0.27) on a Windows 10 machine, running java version 1.8.0_221.
• I am using the bitnami cassandra in Docker.
  I am able to load regular delimited files to this container using cassandra loader, just not json files.

The data file is a UTF-8 encoded text file. I have tried it with both .json and .txt file extensions in case that mattered.

The contents are formatted as I would expect they should be.
[{"iID":1,"myfield":"row1value1"},{"iID":2,"myfield":"row2value1"}]

Here is the command I am using:
java -jar cassandra-loader -f c:\mytesttable.json -host localhost -port 32768 -format jsonarray -keyspace test -table mytable -user username -pw password

Here is the test table schema:
create table test.mytable (
iID int,
myfield text,

PRIMARY KEY (iID, myfield)
)
WITH CLUSTERING ORDER BY (myfield ASC);

mytesttable.txt