Fix #1438 (#1439)

Author: cowtowncoder

release-notes/VERSION-2.x

@@ -16,6 +16,7 @@ a pure JSON library.
 
 2.20.0 (not yet released)
 
+#1438: `ParserBase.close()` does not clear `_currToken`
 - Generate SBOMs [JSTEP-14]
 
 2.19.1 (not yet released)

src/main/java/com/fasterxml/jackson/core/base/ParserBase.java

@@ -403,6 +403,8 @@ public void overrideCurrentName(String name) {
             // 19-Jan-2018, tatu: as per [core#440] need to ensure no more data assumed available
             _inputPtr = Math.max(_inputPtr, _inputEnd);
             _closed = true;
+            // 30-May-2025, tatu: was missing before 2.20
+            _currToken = null;
             try {
                 _closeInput();
             } finally {