Fix #509 (re-created #651 with changes) (#652)

Author: cowtowncoder

release-notes/CREDITS-2.x

@@ -243,3 +243,11 @@ Motonori IWAMURO (vmi@github)
 * Contributed fix for #616: Fix mismatch in `setNextIsUnwrapped(boolean)` in
   `XmlBeanSerializerBase#serializeFieldsFiltered()`
  (2.16.1)
+
+ Dennis Cornwell (@cornwe19)
+
+* Reported #509: Exception when parsing `List`s of mixed content (since 2.13.0)
+
+Christopher R. Wicks (@wickstopher)
+
+* Contributed fix for #509: Exception when parsing `List`s of mixed content (since 2.13.0)

release-notes/VERSION-2.x

@@ -4,6 +4,12 @@ Project: jackson-dataformat-xml
 === Releases ===
 ------------------------------------------------------------------------
 
+2.16.3 (not yet released)
+
+#509: Exception when parsing `List`s of mixed content (since 2.13.0)
+ (reported by Dennis C)
+ (fix contributed by Christopher R. W)
+
 2.16.2 (09-Mar-2024)
 
 No changes since 2.16.1

src/main/java/com/fasterxml/jackson/dataformat/xml/deser/FromXmlParser.java

@@ -847,9 +847,17 @@ public JsonToken nextToken() throws IOException
                     }
                     // 29-Mar-2021, tatu: This seems like an error condition...
                     //   How should we indicate it? As of 2.13, report as unexpected state
+                    /*
                     throw _constructError(
-"Unexpected non-whitespace text ('"+_currText+"' in Array context: should not occur (or should be handled)"
+"Unexpected non-whitespace text ('"+_currText+"') in Array context: should not occur (or should be handled)"
 );
+                    */
+                    
+                    // [dataformat-xml#509] 2.13 introduced a defect in which an Exception was thrown above, breaking
+                    // parsing of mixed content arrays (https://github.com/FasterXML/jackson-dataformat-xml/issues/509).
+                    // This exception case was removed to enable continued support of that functionality, but more
+                    // robust state handling may be in order.
+                    // See comment https://github.com/FasterXML/jackson-dataformat-xml/pull/604
                 }
 
                 // If not a leaf (or otherwise ignorable), need to transform into property...

src/test/java/com/fasterxml/jackson/dataformat/xml/failing/UnexpectedNonWhitespaceText509Test.java src/test/java/com/fasterxml/jackson/dataformat/xml/deser/UnexpectedNonWhitespaceText509Test.java

@@ -1,12 +1,12 @@
-package com.fasterxml.jackson.dataformat.xml.failing;
+package com.fasterxml.jackson.dataformat.xml.deser;
 
 import java.util.*;
 
 import org.junit.Test;
 
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
-
 import com.fasterxml.jackson.dataformat.xml.XmlMapper;
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlElementWrapper;
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlText;
 
@@ -31,6 +31,8 @@ public void setKey(java.lang.String value) {
 	}
 
 	static class MetaData {
+		@JacksonXmlElementWrapper(useWrapping = false)
+		@JacksonXmlProperty(localName = "data")
 		protected List<Data> data;
 
 		public List<Data> getData() {