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Adriano Machado updated CAMEL-21427: ------------------------------------ Description: Pull request contains test showing the issue (was: Here's a unit test showing the problem: {code:java} package org.apache.camel.yaml.out; import java.io.ByteArrayInputStream; import java.io.StringWriter; import java.nio.charset.Charset; import java.util.Optional; import org.apache.camel.model.ProcessorDefinition; import org.apache.camel.model.RouteDefinition; import org.apache.camel.model.RoutesDefinition; import org.apache.camel.xml.in.ModelParser; import org.assertj.core.api.InstanceOfAssertFactories; import org.junit.jupiter.api.Test; import static org.assertj.core.api.Assertions.assertThat; class XPathNamespacesTest { @Test void test() throws Exception { try (ByteArrayInputStream is = new ByteArrayInputStream(XML.getBytes(Charset.defaultCharset()))) { Optional<RoutesDefinition> routesDefinition = new ModelParser(is, XmlToYamlTest.NAMESPACE).parseRoutesDefinition(); assertThat(routesDefinition).isPresent() .get(InstanceOfAssertFactories.type(RoutesDefinition.class)) .extracting(RoutesDefinition::getRoutes, InstanceOfAssertFactories.list(RouteDefinition.class)) .singleElement() .extracting(RouteDefinition::getOutputs, InstanceOfAssertFactories.list(ProcessorDefinition.class)) .hasSize(3); StringWriter sw = new StringWriter(); new org.apache.camel.yaml.out.ModelWriter(sw).writeRoutesDefinition(routesDefinition.get()); assertThat(sw).hasToString(EXPECTED_YAML); } } //language=XML private static final String XML = """ <routes xmlns="http://camel.apache.org/schema/spring" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:routes-ns-def="http://www.example.com/schema" xsi:schemaLocation="http://camel.apache.org/schema/spring https://camel.apache.org/schema/spring/camel-spring.xsd"> <route id="direct:route-with-xpath-expression-custom-namespace" xmlns:route-ns-def="http://www.example.com/schema"> <from uri="direct:route-with-xpath-expression-custom-namespace"/> <setProperty name="child-expression-namespace-from-routes"> <xpath saxon="true" resultType="java.lang.String">/routes-ns-def:parent/routes-ns-def:child</xpath> </setProperty> <setProperty name="child-expression-namespace-from-route"> <xpath saxon="true" resultType="java.lang.String">/route-ns-def:parent/route-ns-def:child</xpath> </setProperty> <setProperty name="child-expression-namespace-from-xpath"> <xpath saxon="true" resultType="java.lang.String" xmlns:expression-ns-def="http://www.example.com/schema">/expression-ns-def:parent/expression-ns-def:child</xpath> </setProperty> </route> </routes> """; //language=yaml private static final String EXPECTED_YAML = """ - route: id: direct:route-with-xpath-expression-custom-namespace from: uri: direct:route-with-xpath-expression-custom-namespace steps: - setProperty: name: child-expression-namespace-from-routes xpath: resultType: java.lang.String saxon: "true" namespace: xsi: http://www.w3.org/2001/XMLSchema-instance routes-ns-def: http://www.example.com/schema route-ns-def: http://www.example.com/schema expression: /routes-ns-def:parent/routes-ns-def:child - setProperty: name: child-expression-namespace-from-route xpath: resultType: java.lang.String saxon: "true" namespace: xsi: http://www.w3.org/2001/XMLSchema-instance routes-ns-def: http://www.example.com/schema route-ns-def: http://www.example.com/schema expression: /route-ns-def:parent/route-ns-def:child - setProperty: name: child-expression-namespace-from-xpath xpath: resultType: java.lang.String saxon: "true" namespace: xsi: http://www.w3.org/2001/XMLSchema-instance routes-ns-def: http://www.example.com/schema route-ns-def: http://www.example.com/schema expression-ns-def: http://www.example.com/schema expression: /expression-ns-def:parent/expression-ns-def:child """; } {code}) > XML model serializer is serializing default values > -------------------------------------------------- > > Key: CAMEL-21427 > URL: https://issues.apache.org/jira/browse/CAMEL-21427 > Project: Camel > Issue Type: Bug > Components: camel-xml-io > Affects Versions: 4.8.1 > Reporter: Adriano Machado > Assignee: Claus Ibsen > Priority: Major > > Pull request contains test showing the issue -- This message was sent by Atlassian Jira (v8.20.10#820010)