那些遇到过的问题

org.jooq.codegen.GeneratorException:读取XML配置时出错

Ali*_*ich 5 maven-3 jooq java-10

我正试图从Java 8迁移到Java 10,并面临以下问题与JOOQ codegen Maven插件.

我的环境:

  1. java版"10.0.2"2018-07-17
  2. Apache Maven 3.3.9

pom.xml中:

        <plugin>
            <groupId>org.jooq</groupId>
            <artifactId>jooq-codegen-maven</artifactId>
            <version>3.11.5</version>
            <executions>
                <execution>
                ...
                    <goals>
                        <goal>generate</goal>
                    </goals>
                </execution>
            </executions>
            <dependencies>
                <dependency>
                    <groupId>mysql</groupId>
                    <artifactId>mysql-connector-java</artifactId>
                    <version>${mysql-version}</version>
                </dependency>
                <dependency>
                    <groupId>javax.xml.bind</groupId>
                    <artifactId>jaxb-api</artifactId>
                    <version>2.3.0</version>
                </dependency>
                <dependency>
                    <groupId>com.sun.xml.bind</groupId>
                    <artifactId>jaxb-core</artifactId>
                    <version>2.2.11</version>
                </dependency>
                <dependency>
                    <groupId>com.sun.xml.bind</groupId>
                    <artifactId>jaxb-impl</artifactId>
                    <version>2.2.11</version>
                </dependency>
                <dependency>
                <groupId>javax.activation</groupId>
                <artifactId>javax.activation-api</artifactId>
                <version>1.2.0</version>
                </dependency>
                <dependency>
                    <groupId>org.jooq</groupId>
                    <artifactId>jooq-codegen</artifactId>
                    <version>3.11.5</version>
                </dependency>
                <dependency>
                    <groupId>org.jooq</groupId>
                    <artifactId>jooq-meta</artifactId>
                    <version>3.11.5</version>
                </dependency>
            </dependencies>
            <configuration>
                <configurationFile>target/my_conf.xml</configurationFile>
            </configuration>
        </plugin>
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my_conf.xml如下所示:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<configuration xmlns="http://www.jooq.org/xsd/jooq-codegen-3.11.0.xsd">

    <jdbc>
        <driver>com.mysql.jdbc.Driver</driver>
        <url>jdbc:mysql://${host}/${db_name}</url>
        <user>${user_username}</user>
        <password>${pwds}</password>
    </jdbc>

    <generator>
        <database>
            <name>org.jooq.meta.mysql.MySQLDatabase</name>
            <inputSchema>${db.sf_write_junit_db_name}</inputSchema>
    ...

    </generator>
</configuration>
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执行后我看到以下异常:

[ERROR] Failed to execute goal org.jooq:jooq-codegen-maven:3.11.5:generate (jooq-generator-sf_read) on project sf-write-model: Execution jooq-generator-sf_read of goal org.jooq:jooq-codegen-maven:3.11.5:generate failed: org.jooq.codegen.GeneratorException: Error while reading XML configuration: unexpected element (uri:"http://www.jooq.org/xsd/jooq-codegen-3.11.0.xsd", local:"configuration"). Expected elements are <{}configuration> -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.jooq:jooq-codegen-maven:3.11.5:generate (jooq-generator-sf_read) on project sf-write-model: Execution jooq-generator-sf_read of goal org.jooq:jooq-codegen-maven:3.11.5:generate failed: org.jooq.codegen.GeneratorException: Error while reading XML configuration
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
...
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution jooq-generator-sf_read of goal org.jooq:jooq-codegen-maven:3.11.5:generate failed: org.jooq.codegen.GeneratorException: Error while reading XML configuration
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:145)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
        ... 20 more
Caused by: java.lang.RuntimeException: org.jooq.codegen.GeneratorException: Error while reading XML configuration
        at org.jooq.codegen.maven.Plugin.execute(Plugin.java:144)
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
        ... 21 more
Caused by: org.jooq.codegen.GeneratorException: Error while reading XML configuration
        at org.jooq.codegen.GenerationTool.load(GenerationTool.java:925)
        at org.jooq.codegen.maven.Plugin.execute(Plugin.java:139)
        ... 22 more
Caused by: javax.xml.bind.UnmarshalException: unexpected element (uri:"http://www.jooq.org/xsd/jooq-codegen-3.11.0.xsd", local:"configuration"). Expected elements are <{}configuration>
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.handleEvent(UnmarshallingContext.java:740)
        at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:262)
        at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:257)
        at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportUnexpectedChildElement(Loader.java:124)
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext$DefaultRootLoader.childElement(UnmarshallingContext.java:1148)
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext._startElement(UnmarshallingContext.java:573)
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.startElement(UnmarshallingContext.java:555)
        at com.sun.xml.bind.v2.runtime.unmarshaller.ValidatingUnmarshaller.startElement(ValidatingUnmarshaller.java:102)
        at com.sun.xml.bind.v2.runtime.unmarshaller.SAXConnector.startElement(SAXConnector.java:168)
        at java.xml/com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:509)
        at java.xml/com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:374)
        at java.xml/com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl$NSContentDriver.scanRootElementHook(XMLNSDocumentScannerImpl.java:613)
        at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:3058)
        at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:821)
        at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:602)
        at java.xml/com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:112)
        at java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:532)
        at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:888)
        at java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:824)
        at java.xml/com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
        at java.xml/com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)
        at java.xml/com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:635)
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:258)
        at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:229)
        at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnmarshallerImpl.java:170)
        at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnmarshallerImpl.java:219)
        at org.jooq.codegen.GenerationTool.load(GenerationTool.java:922)
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但是当我将my_conf.xml中的内容放在元素中而不是使用时,它工作正常:

<configurationFile>target/my_conf.xml</configurationFile>
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这两个选项提供了相同的例外:

<!-- Option 1 -->
                    <dependency>
                        <groupId>javax.activation</groupId>
                        <artifactId>javax.activation-api</artifactId>
                        <version>1.2.0</version>
                    </dependency>
                    <dependency>
                        <groupId>org.glassfish.jaxb</groupId>
                        <artifactId>jaxb-runtime</artifactId>
                        <version>2.3.0.1</version>
                    </dependency>

                    <!-- Option 2 -->
                    <dependency>
                        <groupId>javax.activation</groupId>
                        <artifactId>javax.activation-api</artifactId>
                        <version>1.2.0</version>
                    </dependency>
                    <dependency>
                        <groupId>com.sun.xml.bind</groupId>
                        <artifactId>jaxb-core</artifactId>
                        <version>2.3.0</version>
                    </dependency>
                    <dependency>
                        <groupId>com.sun.xml.bind</groupId>
                        <artifactId>jaxb-impl</artifactId>
                        <version>2.3.0</version>
                    </dependency>
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任何想法为什么它以这种方式工作以及如何使用单独的外部文件进行JOOQ配置？

谢谢.

Ali*_*ich 0

@卢卡斯·埃德尔

此代码适用于 Maven 3.6.0、Jdk 9.0.4、jOOQ 版本 3.10.2、jaxb-api 2.3.1、org.glassfish.jaxb:jaxb-runtime 2.3.1：

package org.jooq.util;

public class GenerationTool {

    public static Configuration load(InputStream in) throws IOException {
            ...

            JAXBContext ctx = JAXBContext.newInstance(Configuration.class);
            Unmarshaller unmarshaller = ctx.createUnmarshaller();
            unmarshaller.setSchema(schema);
            unmarshaller.setEventHandler(new ValidationEventHandler() {
                @Override
                public boolean handleEvent(ValidationEvent event) {
                    log.warn("Unmarshal warning", event.getMessage());
                    return true;
                }
            });

            final SAXParserFactory sax = SAXParserFactory.newInstance();
            sax.setNamespaceAware(false);
            final XMLReader reader = sax.newSAXParser().getXMLReader();
            final Source er = new SAXSource(reader, new InputSource(new StringReader(xml)));
            return (Configuration) unmarshaller.unmarshal(er);
}
}
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