啊

BaseConfig.java

public class BaseConfig extends JFinalConfig {


    @Override
    public void configPlugin(Plugins plugins) {
        // ……………………
        final ActiveRecordPlugin arp = new ActiveRecordPlugin(druidPlugin);
        // ……………………
        JwqConfigKit.configArp(arp); // 第216行
        // ……………………
    }

}

jwq-1.0.jar --> JwqConfigKit.java

package top.xpman.jwq.kit;

import com.jfinal.ext.annotation.Table;
import com.jfinal.ext.enjoy.sql.ParaInDirective;
import com.jfinal.ext.enjoy.sql.ParaLikeDirective;
import com.jfinal.kit.StrKit;
import com.jfinal.plugin.activerecord.ActiveRecordPlugin;
import com.jfinal.plugin.activerecord.Model;
import com.jfinal.template.Engine;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import org.jetbrains.annotations.NotNull;
import top.xpman.jwq.model.SysJwq;
import top.xpman.jwq.model.SysJwqCol;
import top.xpman.jwq.model.SysJwqTemplate;

public class JwqConfigKit {
    private JwqConfigKit() {
    }

    public static void configArp(@NotNull ActiveRecordPlugin arp) {
        configSqlEngine(arp.getEngine());
        configModel(arp);
        configSqlTemplate(arp);
    }

    public static void configSqlEngine(@NotNull Engine engine) {
        engine.addDirective("paraIn", ParaInDirective.class).addDirective("paraLike", ParaLikeDirective.class);
    }

    public static void configSqlTemplate(@NotNull ActiveRecordPlugin arp) {
        arp.addSqlTemplate("templates/sql/jwq.sql");
    }

    public static void configModel(@NotNull ActiveRecordPlugin arp) {
        configModel(arp, List.of(SysJwq.class, SysJwqCol.class, SysJwqTemplate.class));
    }
    
    // .......
}

jwq项目依赖：

dependencies {
    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.1'
    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1'

    compileOnly(
            "com.alibaba:fastjson:${fastjsonVersion}",
            "com.jfinal:jfinal:${jfinalVersion}",

            "javax.servlet:javax.servlet-api:${javaxServletApiVersion}",

            "org.jetbrains:annotations:${annotationsVersion}",
    )

}

主项目：

dependencies {
    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.1'
    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1'


    implementation (
            // jfinal相关
            "com.jfinal:jfinal-undertow:${jfinalUndertowVersion}",
            "com.jfinal:jfinal:${jfinalVersion}",
            "com.jfinal:cos:${jfinalCosVersion}",

            // 日志相关
            "org.slf4j:slf4j-nop:${slf4jNopVersion}",
            "log4j:log4j:${log4jVersion}",

            // 数据库相关
            "mysql:mysql-connector-java:${mysqlConnectorVersion}",
            "com.alibaba:druid:${druidVersion}",

            "javax.servlet:javax.servlet-api:${javaxServletApiVersion}",

            "org.jetbrains:annotations:${annotationsVersion}",
            "com.alibaba:fastjson:${fastjsonVersion}",
            "it.sauronsoftware.cron4j:cron4j:${cron4jVersion}",
            "net.sf.ehcache:ehcache:${ehcacheVersion}",
    )

    implementation 'top.xpman:jwq:1.0'
}

异常：

Exception in thread "main" java.lang.LinkageError: loader constraint violation: loader 'app' wants to load class com.jfinal.plugin.activerecord.ActiveRecordPlugin. A different class with the same name was previously loaded by com.jfinal.server.undertow.hotswap.HotSwapClassLoader @464bee09. (com.jfinal.plugin.activerecord.ActiveRecordPlugin is in unnamed module of loader com.jfinal.server.undertow.hotswap.HotSwapClassLoader @464bee09, parent loader 'app')
	at java.base/java.lang.ClassLoader.defineClass1(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1012)
	at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
	at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862)
	at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760)
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681)
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639)
	at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
	at top.xpman.jwq.kit.JwqConfigKit.configArp(JwqConfigKit.java:29)
	at cn.jiulianfu.business.common.BaseConfig.configPlugin(BaseConfig.java:216)
	at com.jfinal.core.Config.configPluginWithOrder(Config.java:70)
	at com.jfinal.core.Config.configJFinal(Config.java:59)
	at com.jfinal.core.JFinal.init(JFinal.java:61)
	at com.jfinal.core.JFinalFilter.init(JFinalFilter.java:64)
	at io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:111)
	at io.undertow.servlet.core.ManagedFilter.createFilter(ManagedFilter.java:80)
	at io.undertow.servlet.core.DeploymentManagerImpl$2.call(DeploymentManagerImpl.java:594)
	at io.undertow.servlet.core.DeploymentManagerImpl$2.call(DeploymentManagerImpl.java:559)
	at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:42)
	at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
	at io.undertow.servlet.core.DeploymentManagerImpl.start(DeploymentManagerImpl.java:601)
	at com.jfinal.server.undertow.UndertowServer.configHttp(UndertowServer.java:302)
	at com.jfinal.server.undertow.UndertowServer.doStart(UndertowServer.java:280)
	at com.jfinal.server.undertow.UndertowServer.start(UndertowServer.java:153)
	at com.jfinal.ext.undertow.ServerStarter.run(ServerStarter.java:60)
	at com.jfinal.ext.undertow.ServerStarter.run(ServerStarter.java:25)
	at cn.jiulianfu.business.Main.main(Main.java:13)