Java 14に追加された新機能の1つに、JEP 358として提案された「Helpful NullPointerExceptions」がある。日本語にすると「親切なNullPointerExceptions」で、簡単に言ってしまえばNullPointerException発生時に出力されるメッセージがわかりやすくなるというものだ ...

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It doesn’t take much Java development experience to learn firsthand what the NullPointerException is about. In fact, one person has highlighted dealing with this as the number one mistake Java ...

java.lang.NullPointerException: Cannot invoke "java.lang.Long.longValue()" at org.apache.pinot.plugin.minion.tasks.mergerollup.MergeRollupTaskGenerator.lambda ...