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使用Spring XML DSL定义时，Camel-Jaxb无法解散XML

发布于 2025-02-08 18:41:18 字数 13687 浏览 1 评论 0原文

我正在使用Camel-Jaxb组件来取消Artemis队列中的XML XML，但是我本地的Jaxb无法找到Jaxb.Index file。

我调试并注意到，contextFactory.java，loadIndexedClasses（）。

本地的resourceasstream是零，尽管在这种情况下该路径是正确的org/example/dateformat/jaxb.in​​dex

private static List<Class> loadIndexedClasses(String pkg, ClassLoader classLoader) throws IOException, JAXBException {
        final String resource = pkg.replace('.', '/') + "/jaxb.index";
        final InputStream resourceAsStream = classLoader.getResourceAsStream(resource);

        if (resourceAsStream == null) {
            return null;
        }
  • 例外消息
Caused by: org.apache.camel.RuntimeCamelException: javax.xml.bind.JAXBException: "org.example.dataformat" doesnt contain ObjectFactory.class or jaxb.index

中是否有项目配置中有任何ISSIS？

以下是使用骆驼Java Maven工件的完整代码构建。

<?xml version="1.0" encoding="UTF-8"?>
<message id="1">
   <to>ORDER_DEP</to>
   <from>customer1</from>
   <status>APPROVED</status>
   <description>validated</description>
</message>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
       http://camel.apache.org/schema/spring
           http://camel.apache.org/schema/spring/camel-spring.xsd">
 
    <bean id="jmsConnectionFactory" class="org.apache.qpid.jms.JmsConnectionFactory" >
        <property name="username" value="admin"/>
        <property name="password" value="admin"/>
        <property name="remoteURI" value="amqp://localhost:5672" /> 
    </bean>

    <bean id="jmsPooledConnectionFactory" class="org.messaginghub.pooled.jms.JmsPoolConnectionFactory" init-method="start" destroy-method="stop">
        <property name="maxConnections" value="5" />
        <property name="connectionFactory" ref="jmsConnectionFactory" />
    </bean>

    <bean id="jmsConfig" class="org.apache.camel.component.jms.JmsConfiguration">
        <property name="connectionFactory" ref="jmsPooledConnectionFactory" />
        <property name="concurrentConsumers" value="5" />
    </bean>
    <!-- using the  AMQP component -->
    <bean id="jms" class="org.apache.camel.component.amqp.AMQPComponent">
        <property name="configuration" ref="jmsConfig" />
        <property name="connectionFactory" ref="jmsPooledConnectionFactory"/>
    </bean>

    <bean id="demoBean" class="org.example.Demo"></bean>

    <camelContext id="testConsumer" xmlns="http://camel.apache.org/schema/spring" autoStartup="true" allowUseOriginalMessage="true">

        <packageScan>
        <package>org.example.dataformat</package>
        </packageScan>

        <!-- not able to create the ref in the dataformats.
        <dataFormats >
            <jaxb id="customConverter" contextPath="org.example.dataformat" filterNonXmlChars="true"/>
        </dataFormats>
        -->

        <route id="testroute" autoStartup="true">
            <from uri="jms:queue:content_queue?selector=messageType LIKE 'ORDER%'"/>
            <log loggingLevel="DEBUG" message="info ${header.fileName}"/>
            <unmarshal>
                <zipFile/>
            </unmarshal>
            <choice>
                <when>
                    <simple>${header.messageType} == 'ORDER' </simple>
                    <wireTap uri="file:data/output/consumed/"/>
                    <to uri="seda:processOrder"/>
                </when>
            </choice>
        </route>
        <route id="processFile" autoStartup="true">
            <from uri="seda:processOrder"/>
            <unmarshal allowNullBody="true">
                <jaxb prettyPrint="true" contextPath="org.example.dataformat" filterNonXmlChars="true"/>
            </unmarshal> 
            <bean ref="org.example.Demo" method="processOrder"/>

        </route>
    </camelContext>
</beans>
  • pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <groupId>org.example</groupId>
  <artifactId>SimpleCamelConsumer</artifactId>
  <packaging>jar</packaging>
  <version>1.0-SNAPSHOT</version>

  <name>A Camel Route</name>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <log4j2-version>2.13.3</log4j2-version>
    <pooled-jms-version>2.0.5</pooled-jms-version>
    <qpid-jms-client-version>1.6.0</qpid-jms-client-version>
  </properties>

  <dependencyManagement>
    <dependencies>
      <!-- Camel BOM -->
      <dependency>
        <groupId>org.apache.camel</groupId>
        <artifactId>camel-bom</artifactId>
        <version>3.17.0</version>
        <scope>import</scope>
        <type>pom</type>
      </dependency>
    </dependencies>
  </dependencyManagement>

  <dependencies>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-core</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-main</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-spring-main</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-spring</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-jms</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-spring-xml</artifactId>
    </dependency>
    <dependency>
      <groupId>org.messaginghub</groupId>
      <artifactId>pooled-jms</artifactId>
      <version>${pooled-jms-version}</version> 
    </dependency>
    <dependency>
      <groupId>org.apache.qpid</groupId>
      <artifactId>qpid-jms-client</artifactId>
      <version>${qpid-jms-client-version}</version>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-xstream</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-jaxb</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-amqp</artifactId>
    </dependency>
 
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-zipfile</artifactId>
    </dependency>
    
    <!-- logging -->
    <dependency>
      <groupId>org.apache.logging.log4j</groupId>
      <artifactId>log4j-slf4j-impl</artifactId>
      <scope>runtime</scope>
      <version>${log4j2-version}</version>
    </dependency>

        <!-- testing -->
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-test</artifactId>
      <scope>test</scope>
    </dependency>
  </dependencies>

  <build>
    <defaultGoal>install</defaultGoal>

    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.10.1</version>
        <configuration>
          <release>11</release>
        </configuration>
      </plugin>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-resources-plugin</artifactId>
        <version>3.2.0</version>
        <configuration>
          <encoding>UTF-8</encoding>
        </configuration>
      </plugin>

      <plugin>
        <groupId>org.apache.camel</groupId>
        <artifactId>camel-maven-plugin</artifactId>
        <version>3.17.0</version>
        <configuration>
          <logClasspath>true</logClasspath>
          <mainClass>org.example.MainApp</mainClass>
        </configuration>
      </plugin>

    </plugins>
  </build>
</project>
  • demo.java
package org.example;

import org.example.dataformat.Message;

public class Demo {

    public void processOrder(Message message){
        System.out.println("message value "+message.getId()+" "+message.getFrom());

    }
}
  • message.java
package org.example.dataformat;

import javax.xml.bind.annotation.*;

@XmlAccessorType(XmlAccessType.FIELD)
@XmlRootElement
public class Message {

    @XmlAttribute
    Integer id;
    @XmlElement(name="to")
    String to;
    @XmlElement(name="from")
    String from;
    @XmlElement(name="status")
    String status;
    @XmlElement(name="description")
    String description;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getTo() {
        return to;
    }

    public void setTo(String to) {
        this.to = to;
    }

    public String getFrom() {
        return from;
    }

    public void setFrom(String from) {
        this.from = from;
    }

    public String getStatus() {
        return status;
    }

    public void setStatus(String status) {
        this.status = status;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }
}
  • jaxb.in​​dex
Message
  • mainspringcontextapp.java
package org.example;

import org.apache.camel.spring.Main;
public class MainSpringContextApp {

    public static void main(String... args) throws Exception {
        Main main = new Main();
        main.run(args);
    }
}
  • 当我在Intellij Idea Community IDE中执行代码时，我在以下以下
Exception in thread "main" org.apache.camel.FailedToStartRouteException: Failed to start route processFile because of null
    at org.apache.camel.impl.engine.RouteService.warmUp(RouteService.java:123)
    at org.apache.camel.impl.engine.InternalRouteStartupManager.doWarmUpRoutes(InternalRouteStartupManager.java:306)
    at org.apache.camel.impl.engine.InternalRouteStartupManager.safelyStartRouteServices(InternalRouteStartupManager.java:189)
...
Caused by: org.apache.camel.RuntimeCamelException: javax.xml.bind.JAXBException: "org.example.dataformat" doesnt contain ObjectFactory.class or jaxb.index
    at org.apache.camel.RuntimeCamelException.wrapRuntimeException(RuntimeCamelException.java:66)
    at org.apache.camel.support.service.BaseService.doFail(BaseService.java:413)
    at org.apache.camel.support.service.BaseService.fail(BaseService.java:342)
    at org.apache.camel.support.service.BaseService.start(BaseService.java:132)
    at org.apache.camel.support.service.ServiceHelper.startService(ServiceHelper.java:113)
...
Caused by: javax.xml.bind.JAXBException: "org.example.dataformat" doesnt contain ObjectFactory.class or jaxb.index
    at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:260)
    at com.sun.xml.bind.v2.JAXBContextFactory.createContext(JAXBContextFactory.java:48)
    at javax.xml.bind.ContextFinder.find(ContextFinder.java:302)
    at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:478)
    at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:435)
    at org.apache.camel.converter.jaxb.JaxbDataFormat.createContext(JaxbDataFormat.java:552)
    at org.apache.camel.converter.jaxb.JaxbDataFormat.doStart(JaxbDataFormat.java:516)
    at org.apache.camel.support.service.BaseService.start(BaseService.java:119)
    ... 53 more
原文

I am using the camel-jaxb component to unmarshall xml zipped in the Artemis queue, but jaxb in my local is not able to find the jaxb.index file.

I debugged and noticed, the ContextFactory.java, loadIndexedClasses().

Locally the resourceAsStream is null, though the path is correct in this case org/example/dataformat/jaxb.index

private static List<Class> loadIndexedClasses(String pkg, ClassLoader classLoader) throws IOException, JAXBException {
        final String resource = pkg.replace('.', '/') + "/jaxb.index";
        final InputStream resourceAsStream = classLoader.getResourceAsStream(resource);

        if (resourceAsStream == null) {
            return null;
        }
  • Exception message
Caused by: org.apache.camel.RuntimeCamelException: javax.xml.bind.JAXBException: "org.example.dataformat" doesnt contain ObjectFactory.class or jaxb.index

Is there any issuses in the project configuration?

Below is the complete code build using the camel java maven artifact.

<?xml version="1.0" encoding="UTF-8"?>
<message id="1">
   <to>ORDER_DEP</to>
   <from>customer1</from>
   <status>APPROVED</status>
   <description>validated</description>
</message>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
       http://camel.apache.org/schema/spring
           http://camel.apache.org/schema/spring/camel-spring.xsd">
 
    <bean id="jmsConnectionFactory" class="org.apache.qpid.jms.JmsConnectionFactory" >
        <property name="username" value="admin"/>
        <property name="password" value="admin"/>
        <property name="remoteURI" value="amqp://localhost:5672" /> 
    </bean>

    <bean id="jmsPooledConnectionFactory" class="org.messaginghub.pooled.jms.JmsPoolConnectionFactory" init-method="start" destroy-method="stop">
        <property name="maxConnections" value="5" />
        <property name="connectionFactory" ref="jmsConnectionFactory" />
    </bean>

    <bean id="jmsConfig" class="org.apache.camel.component.jms.JmsConfiguration">
        <property name="connectionFactory" ref="jmsPooledConnectionFactory" />
        <property name="concurrentConsumers" value="5" />
    </bean>
    <!-- using the  AMQP component -->
    <bean id="jms" class="org.apache.camel.component.amqp.AMQPComponent">
        <property name="configuration" ref="jmsConfig" />
        <property name="connectionFactory" ref="jmsPooledConnectionFactory"/>
    </bean>

    <bean id="demoBean" class="org.example.Demo"></bean>

    <camelContext id="testConsumer" xmlns="http://camel.apache.org/schema/spring" autoStartup="true" allowUseOriginalMessage="true">

        <packageScan>
        <package>org.example.dataformat</package>
        </packageScan>

        <!-- not able to create the ref in the dataformats.
        <dataFormats >
            <jaxb id="customConverter" contextPath="org.example.dataformat" filterNonXmlChars="true"/>
        </dataFormats>
        -->

        <route id="testroute" autoStartup="true">
            <from uri="jms:queue:content_queue?selector=messageType LIKE 'ORDER%'"/>
            <log loggingLevel="DEBUG" message="info ${header.fileName}"/>
            <unmarshal>
                <zipFile/>
            </unmarshal>
            <choice>
                <when>
                    <simple>${header.messageType} == 'ORDER' </simple>
                    <wireTap uri="file:data/output/consumed/"/>
                    <to uri="seda:processOrder"/>
                </when>
            </choice>
        </route>
        <route id="processFile" autoStartup="true">
            <from uri="seda:processOrder"/>
            <unmarshal allowNullBody="true">
                <jaxb prettyPrint="true" contextPath="org.example.dataformat" filterNonXmlChars="true"/>
            </unmarshal> 
            <bean ref="org.example.Demo" method="processOrder"/>

        </route>
    </camelContext>
</beans>
  • pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <groupId>org.example</groupId>
  <artifactId>SimpleCamelConsumer</artifactId>
  <packaging>jar</packaging>
  <version>1.0-SNAPSHOT</version>

  <name>A Camel Route</name>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <log4j2-version>2.13.3</log4j2-version>
    <pooled-jms-version>2.0.5</pooled-jms-version>
    <qpid-jms-client-version>1.6.0</qpid-jms-client-version>
  </properties>

  <dependencyManagement>
    <dependencies>
      <!-- Camel BOM -->
      <dependency>
        <groupId>org.apache.camel</groupId>
        <artifactId>camel-bom</artifactId>
        <version>3.17.0</version>
        <scope>import</scope>
        <type>pom</type>
      </dependency>
    </dependencies>
  </dependencyManagement>

  <dependencies>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-core</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-main</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-spring-main</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-spring</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-jms</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-spring-xml</artifactId>
    </dependency>
    <dependency>
      <groupId>org.messaginghub</groupId>
      <artifactId>pooled-jms</artifactId>
      <version>${pooled-jms-version}</version> 
    </dependency>
    <dependency>
      <groupId>org.apache.qpid</groupId>
      <artifactId>qpid-jms-client</artifactId>
      <version>${qpid-jms-client-version}</version>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-xstream</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-jaxb</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-amqp</artifactId>
    </dependency>
 
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-zipfile</artifactId>
    </dependency>
    
    <!-- logging -->
    <dependency>
      <groupId>org.apache.logging.log4j</groupId>
      <artifactId>log4j-slf4j-impl</artifactId>
      <scope>runtime</scope>
      <version>${log4j2-version}</version>
    </dependency>

        <!-- testing -->
    <dependency>
      <groupId>org.apache.camel</groupId>
      <artifactId>camel-test</artifactId>
      <scope>test</scope>
    </dependency>
  </dependencies>

  <build>
    <defaultGoal>install</defaultGoal>

    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.10.1</version>
        <configuration>
          <release>11</release>
        </configuration>
      </plugin>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-resources-plugin</artifactId>
        <version>3.2.0</version>
        <configuration>
          <encoding>UTF-8</encoding>
        </configuration>
      </plugin>

      <plugin>
        <groupId>org.apache.camel</groupId>
        <artifactId>camel-maven-plugin</artifactId>
        <version>3.17.0</version>
        <configuration>
          <logClasspath>true</logClasspath>
          <mainClass>org.example.MainApp</mainClass>
        </configuration>
      </plugin>

    </plugins>
  </build>
</project>
  • Demo.java
package org.example;

import org.example.dataformat.Message;

public class Demo {

    public void processOrder(Message message){
        System.out.println("message value "+message.getId()+" "+message.getFrom());

    }
}
  • Message.java
package org.example.dataformat;

import javax.xml.bind.annotation.*;

@XmlAccessorType(XmlAccessType.FIELD)
@XmlRootElement
public class Message {

    @XmlAttribute
    Integer id;
    @XmlElement(name="to")
    String to;
    @XmlElement(name="from")
    String from;
    @XmlElement(name="status")
    String status;
    @XmlElement(name="description")
    String description;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getTo() {
        return to;
    }

    public void setTo(String to) {
        this.to = to;
    }

    public String getFrom() {
        return from;
    }

    public void setFrom(String from) {
        this.from = from;
    }

    public String getStatus() {
        return status;
    }

    public void setStatus(String status) {
        this.status = status;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }
}
  • jaxb.index
Message
  • MainSpringContextApp.java
package org.example;

import org.apache.camel.spring.Main;
public class MainSpringContextApp {

    public static void main(String... args) throws Exception {
        Main main = new Main();
        main.run(args);
    }
}
  • When i execute the code in Intellij Idea Community IDE, I get below exception
Exception in thread "main" org.apache.camel.FailedToStartRouteException: Failed to start route processFile because of null
    at org.apache.camel.impl.engine.RouteService.warmUp(RouteService.java:123)
    at org.apache.camel.impl.engine.InternalRouteStartupManager.doWarmUpRoutes(InternalRouteStartupManager.java:306)
    at org.apache.camel.impl.engine.InternalRouteStartupManager.safelyStartRouteServices(InternalRouteStartupManager.java:189)
...
Caused by: org.apache.camel.RuntimeCamelException: javax.xml.bind.JAXBException: "org.example.dataformat" doesnt contain ObjectFactory.class or jaxb.index
    at org.apache.camel.RuntimeCamelException.wrapRuntimeException(RuntimeCamelException.java:66)
    at org.apache.camel.support.service.BaseService.doFail(BaseService.java:413)
    at org.apache.camel.support.service.BaseService.fail(BaseService.java:342)
    at org.apache.camel.support.service.BaseService.start(BaseService.java:132)
    at org.apache.camel.support.service.ServiceHelper.startService(ServiceHelper.java:113)
...
Caused by: javax.xml.bind.JAXBException: "org.example.dataformat" doesnt contain ObjectFactory.class or jaxb.index
    at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:260)
    at com.sun.xml.bind.v2.JAXBContextFactory.createContext(JAXBContextFactory.java:48)
    at javax.xml.bind.ContextFinder.find(ContextFinder.java:302)
    at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:478)
    at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:435)
    at org.apache.camel.converter.jaxb.JaxbDataFormat.createContext(JaxbDataFormat.java:552)
    at org.apache.camel.converter.jaxb.JaxbDataFormat.doStart(JaxbDataFormat.java:516)
    at org.apache.camel.support.service.BaseService.start(BaseService.java:119)
    ... 53 more

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评论（1）

〆一缕阳光ご 2025-02-15 18:41:18

我必须创建JAXB类，并使用该上下文路径

步骤1：

  • 使用XML来创建XSD（在这种情况下，我使用Intellij IDE社区版）

步骤2：

  • UDPED XS：Schema：schema to XSD：schema，因为这是什么cfx-xjc插件使用。

步骤3：

  • 在pom.xml
  • 在项目级别下更新为文件夹架构，并放置simpleordor.xsd
      <plugin>
        <groupId>org.apache.cxf</groupId>
        <artifactId>cxf-xjc-plugin</artifactId>
        <version>3.2.3</version>
        <configuration>
          <extensions>
            <extension>org.apache.cxf.xjcplugins:cxf-xjc-dv:3.2.3</extension>
          </extensions>
        </configuration>
        <executions>
          <execution>
            <id>generate-sources</id>
            <phase>generate-sources</phase>
            <goals>
              <goal>xsdtojava</goal>
            </goals>
            <configuration>
              <sourceRoot>${basedir}/target/generated/src/main/java</sourceRoot>
              <xsdOptions>
                <xsdOption>
                  <xsd>${basedir}/schema/simpleOrder.xsd</xsd>
                </xsdOption>
              </xsdOptions>
            </configuration>
          </execution>
        </executions>
      </plugin>

step 4：

  • 运行MVN：安装在指定的位置下生成了源。请注意，将出现汇编错误，我忽略了它。

  • 在org.example.dataformat下复制生成的文件实习生更新了类的软件包。

注意：

  • 默认情况下，objectfactory.java和messageType.java（在我的情况下）在包装中使用jakarta.xml。我需要用javax.xml替换。

请参阅下面的 info ，因为在Jaxb类中使用jakarta.xml软件包，因此在使用Camel-Jaxb进行删除时，有一个例外。

步骤5：

  • 最后运行mainspringContextapp.java启动了路由而无需任何例外。

info

  • 如果ii使用jakarata.xml jaxb类上的软件包，我需要添加依赖项jakarta.xml
 <dependency>
      <groupId>jakarta.xml.bind</groupId>
      <artifactId>jakarta.xml.bind-api</artifactId>
      <version>3.0.1</version>
 </dependency>
  • bink以上时，当我接收XML输入时，显示以下异常消息。因此必须使用javax.xml。
java.io.IOException: javax.xml.bind.UnmarshalException
 - with linked exception:
[com.sun.istack.SAXParseException2; lineNumber: 1; columnNumber: 1; unexpected element (uri:"", local:"message"). Expected elements are (none)]
    at org.apache.camel.converter.jaxb.JaxbDataFormat.unmarshal(JaxbDataFormat.java:308) ~[camel-jaxb-3.17.0.jar:3.17.0]
    at org.apache.camel.support.processor.UnmarshalProcessor.process(UnmarshalProcessor.java:76) [camel-support-3.17.0.jar:3.17.0]
    at org.apache.camel.processor.errorhandler.RedeliveryErrorHandler$SimpleTask.run(RedeliveryErrorHandler.java:471) [camel-core-processor-3.17.0.jar:3.17.0]
    at org.apache.camel.impl.engine.DefaultReactiveExecutor$Worker.schedule(DefaultReactiveExecutor.java:189) [camel-base-engine-3.17.0.jar:3.17.0]
    at org.apache.camel.impl.engine.DefaultReactiveExecutor.scheduleMain(DefaultReactiveExecutor.java:61) [camel-base-engine-3.17.0.jar:3.17.0]
    at org.apache.camel.processor.Pipeline.process(Pipeline.java:184) [camel-core-processor-3.17.0.jar:3.17.0]
    at org.apache.camel.impl.engine.CamelInternalProcessor.process(CamelInternalProcessor.java:399) [camel-base-engine-3.17.0.jar:3.17.0]
    at org.apache.camel.component.seda.SedaConsumer.sendToConsumers(SedaConsumer.java:269) [camel-seda-3.17.0.jar:3.17.0]
    at org.apache.camel.component.seda.SedaConsumer.doRun(SedaConsumer.java:187) [camel-seda-3.17.0.jar:3.17.0]
    at org.apache.camel.component.seda.SedaConsumer.run(SedaConsumer.java:130) [camel-seda-3.17.0.jar:3.17.0]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
    at java.lang.Thread.run(Thread.java:834) [?:?]
Caused by: javax.xml.bind.UnmarshalException
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.handleStreamException(UnmarshallerImpl.java:453) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:387) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:356) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at org.apache.camel.converter.jaxb.JaxbDataFormat.unmarshal(JaxbDataFormat.java:300) ~[camel-jaxb-3.17.0.jar:3.17.0]
    ... 12 more
Caused by: com.sun.istack.SAXParseException2: unexpected element (uri:"", local:"message"). Expected elements are (none)
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.handleEvent(UnmarshallingContext.java:712) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:232) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:227) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportUnexpectedChildElement(Loader.java:94) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext$DefaultRootLoader.childElement(UnmarshallingContext.java:1117) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext._startElement(UnmarshallingContext.java:542) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.startElement(UnmarshallingContext.java:524) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.handleStartElement(StAXStreamConnector.java:216) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(StAXStreamConnector.java:150) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:385) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:356) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at org.apache.camel.converter.jaxb.JaxbDataFormat.unmarshal(JaxbDataFormat.java:300) ~[camel-jaxb-3.17.0.jar:3.17.0]
    ... 12 more
Caused by: javax.xml.bind.UnmarshalException: unexpected element (uri:"", local:"message"). Expected elements are (none)
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.handleEvent(UnmarshallingContext.java:712) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:232) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:227) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportUnexpectedChildElement(Loader.java:94) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext$DefaultRootLoader.childElement(UnmarshallingContext.java:1117) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext._startElement(UnmarshallingContext.java:542) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.startElement(UnmarshallingContext.java:524) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.handleStartElement(StAXStreamConnector.java:216) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(StAXStreamConnector.java:150) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:385) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:356) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at org.apache.camel.converter.jaxb.JaxbDataFormat.unmarshal(JaxbDataFormat.java:300) ~[camel-jaxb-3.17.0.jar:3.17.0]
    ... 12 more

I had to create the jaxb class and use that contextpath

Step 1:

  • Use the xml, to create the xsd (in this case i used Intellij IDE community edition)

Step 2:

  • udpated the xs:schema to xsd:schema, since this is what the cfx-xjc plugin uses.

Step 3:

  • in pom.xml update the
  • I created as folder schema under the project level, and placed the simpleOrder.xsd
      <plugin>
        <groupId>org.apache.cxf</groupId>
        <artifactId>cxf-xjc-plugin</artifactId>
        <version>3.2.3</version>
        <configuration>
          <extensions>
            <extension>org.apache.cxf.xjcplugins:cxf-xjc-dv:3.2.3</extension>
          </extensions>
        </configuration>
        <executions>
          <execution>
            <id>generate-sources</id>
            <phase>generate-sources</phase>
            <goals>
              <goal>xsdtojava</goal>
            </goals>
            <configuration>
              <sourceRoot>${basedir}/target/generated/src/main/java</sourceRoot>
              <xsdOptions>
                <xsdOption>
                  <xsd>${basedir}/schema/simpleOrder.xsd</xsd>
                </xsdOption>
              </xsdOptions>
            </configuration>
          </execution>
        </executions>
      </plugin>

Step 4:

  • Running the mvn:install generated the source under the specified location. Note, there will be a compilation error, I ignored it.

  • Copied the generated file under the org.example.dataformat which intern updates the package of the class.

Note:

  • By default the ObjectFactory.java and the MessageType.java (in my case) used jakarta.xml in package. Which I need to replace with javax.xml.

Refer INFO below, since using jakarta.xml package in the JAXB classes, there is an exception during unmarshalling with camel-jaxb.

Step 5:

  • Finally running the MainSpringContextApp.java started the route without any exception.

INFO

  • If I I use the jakarata.xml package on the JAXB classes, I need to add dependency jakarta.xml bind api to support jaxb classes
 <dependency>
      <groupId>jakarta.xml.bind</groupId>
      <artifactId>jakarta.xml.bind-api</artifactId>
      <version>3.0.1</version>
 </dependency>
  • With the above when I receive xml input, below exception message is displayed. So had to use the javax.xml.
java.io.IOException: javax.xml.bind.UnmarshalException
 - with linked exception:
[com.sun.istack.SAXParseException2; lineNumber: 1; columnNumber: 1; unexpected element (uri:"", local:"message"). Expected elements are (none)]
    at org.apache.camel.converter.jaxb.JaxbDataFormat.unmarshal(JaxbDataFormat.java:308) ~[camel-jaxb-3.17.0.jar:3.17.0]
    at org.apache.camel.support.processor.UnmarshalProcessor.process(UnmarshalProcessor.java:76) [camel-support-3.17.0.jar:3.17.0]
    at org.apache.camel.processor.errorhandler.RedeliveryErrorHandler$SimpleTask.run(RedeliveryErrorHandler.java:471) [camel-core-processor-3.17.0.jar:3.17.0]
    at org.apache.camel.impl.engine.DefaultReactiveExecutor$Worker.schedule(DefaultReactiveExecutor.java:189) [camel-base-engine-3.17.0.jar:3.17.0]
    at org.apache.camel.impl.engine.DefaultReactiveExecutor.scheduleMain(DefaultReactiveExecutor.java:61) [camel-base-engine-3.17.0.jar:3.17.0]
    at org.apache.camel.processor.Pipeline.process(Pipeline.java:184) [camel-core-processor-3.17.0.jar:3.17.0]
    at org.apache.camel.impl.engine.CamelInternalProcessor.process(CamelInternalProcessor.java:399) [camel-base-engine-3.17.0.jar:3.17.0]
    at org.apache.camel.component.seda.SedaConsumer.sendToConsumers(SedaConsumer.java:269) [camel-seda-3.17.0.jar:3.17.0]
    at org.apache.camel.component.seda.SedaConsumer.doRun(SedaConsumer.java:187) [camel-seda-3.17.0.jar:3.17.0]
    at org.apache.camel.component.seda.SedaConsumer.run(SedaConsumer.java:130) [camel-seda-3.17.0.jar:3.17.0]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
    at java.lang.Thread.run(Thread.java:834) [?:?]
Caused by: javax.xml.bind.UnmarshalException
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.handleStreamException(UnmarshallerImpl.java:453) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:387) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:356) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at org.apache.camel.converter.jaxb.JaxbDataFormat.unmarshal(JaxbDataFormat.java:300) ~[camel-jaxb-3.17.0.jar:3.17.0]
    ... 12 more
Caused by: com.sun.istack.SAXParseException2: unexpected element (uri:"", local:"message"). Expected elements are (none)
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.handleEvent(UnmarshallingContext.java:712) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:232) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:227) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportUnexpectedChildElement(Loader.java:94) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext$DefaultRootLoader.childElement(UnmarshallingContext.java:1117) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext._startElement(UnmarshallingContext.java:542) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.startElement(UnmarshallingContext.java:524) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.handleStartElement(StAXStreamConnector.java:216) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(StAXStreamConnector.java:150) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:385) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:356) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at org.apache.camel.converter.jaxb.JaxbDataFormat.unmarshal(JaxbDataFormat.java:300) ~[camel-jaxb-3.17.0.jar:3.17.0]
    ... 12 more
Caused by: javax.xml.bind.UnmarshalException: unexpected element (uri:"", local:"message"). Expected elements are (none)
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.handleEvent(UnmarshallingContext.java:712) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:232) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:227) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportUnexpectedChildElement(Loader.java:94) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext$DefaultRootLoader.childElement(UnmarshallingContext.java:1117) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext._startElement(UnmarshallingContext.java:542) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.startElement(UnmarshallingContext.java:524) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.handleStartElement(StAXStreamConnector.java:216) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(StAXStreamConnector.java:150) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:385) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:356) ~[jaxb-impl-2.3.3.jar:2.3.3]
    at org.apache.camel.converter.jaxb.JaxbDataFormat.unmarshal(JaxbDataFormat.java:300) ~[camel-jaxb-3.17.0.jar:3.17.0]
    ... 12 more
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