fix issue #318 change HashMap to ConcurrentHashMap

perwendel / spark

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

Apache License 2.0

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fix issue #318 change HashMap to ConcurrentHashMap #1217

Closed Lloyd-Pottiger closed 3 years ago

Lloyd-Pottiger commented 3 years ago

ExceptionMapper is accessed from multiple request threads but the underlying Map is a HashMap; This commit replace hashmap with ConcurrentHashMap which is multi-thread safe.