The issue is reproducible with latest 11u builds.

Steps to reproduce:

1) update to tzdata2018i using a TimeZone updater tool (Note: not reproducible with tzdata2018g)
2) run the test (in attachments)
3) if the test throws exception, the issue is reproducible

Exception in thread "main" java.time.format.DateTimeParseException: Text '2019-06-18T20:11:40.196PST' could not be parsed: null
at java.base/java.time.format.DateTimeFormatter.createError(DateTimeFormatter.java:2021)
at java.base/java.time.format.DateTimeFormatter.parse(DateTimeFormatter.java:1882)
at Test.main(Test.java:8)
Caused by: java.lang.NullPointerException
at java.base/java.time.format.DateTimeFormatterBuilder$PrefixTree.prefixLength(DateTimeFormatterBuilder.java:4532)
at java.base/java.time.format.DateTimeFormatterBuilder$PrefixTree.add0(DateTimeFormatterBuilder.java:4401)
at java.base/java.time.format.DateTimeFormatterBuilder$PrefixTree.add(DateTimeFormatterBuilder.java:4396)
at java.base/java.time.format.DateTimeFormatterBuilder$ZoneTextPrinterParser.getTree(DateTimeFormatterBuilder.java:4143)
at java.base/java.time.format.DateTimeFormatterBuilder$ZoneIdPrinterParser.parse(DateTimeFormatterBuilder.java:4254)
at java.base/java.time.format.DateTimeFormatterBuilder$CompositePrinterParser.parse(DateTimeFormatterBuilder.java:2374)
at java.base/java.time.format.DateTimeFormatter.parseUnresolved0(DateTimeFormatter.java:2111)
at java.base/java.time.format.DateTimeFormatter.parseResolved0(DateTimeFormatter.java:2040)
at java.base/java.time.format.DateTimeFormatter.parse(DateTimeFormatter.java:1878)
... 1 more