（org.mule.api.transformer.TransformerException）

问题描述 投票：0回答：1

我正在尝试读取xml文件。 JUnit通过Maven测试创建的此xml文件。我想阅读该xml并将其转换为json。当HTTP get请求到达时，我想发送此JSON格式。我对这个过程很困惑。当我阅读并收到get请求时，向我显示此消息（org.mule.api.transformer.TransformerException）

这些是我的流量

<?xml version="1.0" encoding="UTF-8"?>

<mule xmlns:file="http://www.mulesoft.org/schema/mule/file" xmlns:metadata="http://www.mulesoft.org/schema/mule/metadata" xmlns:tracking="http://www.mulesoft.org/schema/mule/ee/tracking" xmlns:json="http://www.mulesoft.org/schema/mule/json" xmlns:http="http://www.mulesoft.org/schema/mule/http" xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation"
    xmlns:spring="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd
http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd
http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd
http://www.mulesoft.org/schema/mule/json http://www.mulesoft.org/schema/mule/json/current/mule-json.xsd
http://www.mulesoft.org/schema/mule/ee/tracking http://www.mulesoft.org/schema/mule/ee/tracking/current/mule-tracking-ee.xsd
http://www.mulesoft.org/schema/mule/file http://www.mulesoft.org/schema/mule/file/current/mule-file.xsd">

    <http:listener-config name="HTTP_Listener_Configuration" host="0.0.0.0" port="8081" doc:name="HTTP Listener Configuration"/>
    <flow name="testgroupFlow">
        <file:inbound-endpoint path="/Users/furkankalabalik/AnypointStudio/workspace/testgroup/src/main/resources" responseTimeout="10000" doc:name="File">
                <file:filename-wildcard-filter pattern="*.xml"/>        
        </file:inbound-endpoint>
        <json:xml-to-json-transformer doc:name="XML to JSON"/>
    </flow>

   <flow name="my_first_projectFlow">
        <http:listener config-ref="HTTP_Listener_Configuration" path="/" doc:name="HTTP"/>
        <flow-ref name="testgroupFlow" doc:name="Flow Reference"/>
        <set-payload value="#[message.payload]" mimeType="text/json" doc:name="Set Payload"/>
    </flow>
</mule>

这是我的POM文件。

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<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>Test</groupId>
    <artifactId>testgroup</artifactId>
    <version>1.0.0-SNAPSHOT</version>
    <packaging>mule</packaging>
    <name>Mule testgroup Application</name>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>

        <mule.version>3.9.0</mule.version>
        <mule.tools.version>1.7</mule.tools.version>
    </properties>

    <build>
        <plugins>
            <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-surefire-plugin</artifactId>
                    <version>3.0.0-M4</version>
                    <configuration>
                <reportsDirectory>${basedir}/src/main/resources</reportsDirectory>
                <testFailureIgnore>true</testFailureIgnore>
            </configuration>
                </plugin>
            <plugin>
                <groupId>org.mule.tools.maven</groupId>
                <artifactId>mule-app-maven-plugin</artifactId>
                <version>${mule.tools.version}</version>
                <extensions>true</extensions>
                <configuration>
                    <copyToAppsDirectory>true</copyToAppsDirectory>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>build-helper-maven-plugin</artifactId>
                <version>1.7</version>
                <executions>
                    <execution>
                        <id>add-resource</id>
                        <phase>generate-resources</phase>
                        <goals>
                            <goal>add-resource</goal>
                        </goals>
                        <configuration>
                            <resources>
                                <resource>
                                    <directory>src/main/app/</directory>
                                </resource>
                                <resource>
                                    <directory>src/main/api/</directory>
                                </resource>
                                <resource>
                                    <directory>mappings/</directory>
                                </resource>
                            </resources>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

    <!-- Mule Dependencies -->
    <dependencies>
        <!-- Xml configuration -->
        <!-- Xml configuration -->
        <!-- Mule Transports -->
        <dependency>
            <groupId>org.mule.transports</groupId>
            <artifactId>mule-transport-file</artifactId>
            <version>${mule.version}</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.mule.transports</groupId>
            <artifactId>mule-transport-http</artifactId>
            <version>${mule.version}</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>org.mule.transports</groupId>
            <artifactId>mule-transport-vm</artifactId>
            <version>${mule.version}</version>
            <scope>provided</scope>
        </dependency>
        <!-- Mule Modules -->
        <dependency>
            <groupId>org.mule.modules</groupId>
            <artifactId>mule-module-scripting</artifactId>
            <version>${mule.version}</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
    <groupId>org.mule.modules</groupId>
    <artifactId>mule-module-apikit</artifactId>
    <version>3.9.0</version>
</dependency>
        <dependency>
            <groupId>org.mule.modules</groupId>
            <artifactId>mule-module-xml</artifactId>
            <version>${mule.version}</version>
            <scope>provided</scope>
        </dependency>
        <!-- for testing -->
        <dependency>
            <groupId>org.mule.tests</groupId>
            <artifactId>mule-tests-functional</artifactId>
            <version>${mule.version}</version>
            <scope>test</scope>
        </dependency>
    <dependency>
            <groupId>org.mule.modules</groupId>
            <artifactId>mule-module-http</artifactId>
            <version>${mule.version}</version>
            <scope>provided</scope>
        </dependency>
    <dependency>
            <groupId>org.mule.modules</groupId>
            <artifactId>mule-module-spring-config</artifactId>
            <version>${mule.version}</version>
            <scope>provided</scope>
        </dependency>
    <dependency>
            <groupId>org.mule.modules</groupId>
            <artifactId>mule-module-json</artifactId>
            <version>${mule.version}</version>
            <scope>provided</scope>
        </dependency>
    </dependencies>

    <repositories>
    <repository>
        <id>mulesoft-snapshots</id>
        <name>MuleSoft Snapshot Repository</name>
        <url>http://repository.mulesoft.org/snapshots/</url>
        <layout>default</layout>
    </repository>
          <repository>
            <id>Central</id>
            <name>Central</name>
            <url>http://repo1.maven.org/maven2/</url>
            <layout>default</layout>
        </repository>
        <repository>
            <id>mulesoft-releases</id>
            <name>MuleSoft Releases Repository</name>
            <url>http://repository.mulesoft.org/releases/</url>
            <layout>default</layout>
        </repository>
    </repositories>
    <pluginRepositories>
        <pluginRepository>
            <id>mulesoft-release</id>
            <name>mulesoft release repository</name>
            <layout>default</layout>
            <url>http://repository.mulesoft.org/releases/</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </pluginRepository>
    </pluginRepositories>

</project>
maven mule anypoint-studio
1个回答
0
投票

首先，因为使用HTTP端点时永远不会读取该文件，因此永远不会有任何XML转换为JSON。

具有flow-ref的流的inbound-endpoint将不会读取文件。通过flow-ref调用时，入站端点将被忽略。入站终结点是消息源，用于触发流（https://docs.mulesoft.com/mule-runtime/3.5/mule-connectors）。如果需要读取文件中间流，请查看可以作为消息处理器：Mule 3的https://github.com/mulesoft/mule-module-requester请求文件中间流的Mule请求者模块。对于Mule 4，您可以本机执行此操作使用file:read操作。

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