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  1. JDK
  2. JDK-8322214

Return value of XMLInputFactory.getProperty() changed from boolean to String in JDK 22 early access builds

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    • 22
    • b05
    • x86
    • linux_ubuntu

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      Description

        Apache POI uses XMLInputFactory for handling XML and a unit-test verifies that setting properties has the expected effect.

        When running tests with JDK 22, there is a failure because XMLInputFactory.getProperty() now returns the String "false", instead of Boolean.FALSE.

        This looks like a change in behavior from JDK 21 to current JDK 22 early-access builds. Tested with JDK jdk-22-ea+18 and current jdk-22-ea+27.

        The following simple unit-test works in JDK 8 - 21, but fails in early access builds of JDK 22 and JDK 23.

        {noformat}
        import static javax.xml.stream.XMLInputFactory.SUPPORT_DTD;
        import static org.junit.jupiter.api.Assertions.assertFalse;

        import javax.xml.stream.XMLInputFactory;

        import org.junit.jupiter.api.Test;

        public class TestXMLHelper {
            @Test
            public void testNewXMLInputFactory() {
                XMLInputFactory factory = XMLInputFactory.newInstance();
                factory.setProperty(SUPPORT_DTD, false);
                assertFalse((boolean)factory.getProperty(XMLInputFactory.SUPPORT_DTD));
            }
        }
        {noformat}

        Since JDK 22 early access builds it fails with the following:

        {noformat}
        java.lang.ClassCastException: class java.lang.String cannot be cast to class java.lang.Boolean (java.lang.String and java.lang.Boolean are in module java.base of loader 'bootstrap')

        at org.apache.poi.util.TestXMLHelper.testNewXMLInputFactory(TestXMLHelper.java:32)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)
        {noformat}

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                joehw Joe Wang
                dstadler Dominik Stadler
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                  Updated:
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