class com.sun.mail.handlers.text_html cannot be cast to class javax.activation.DataContentHandler (com.sun.mail.handlers.text_html is in unnamed module of loader org.springframework.boot.loader.LaunchedURLClassLoader @4f3f5b24; javax.activation.DataContentHandler is in unnamed module of loader org.pf4j.PluginClassLoader @c2e3264).

org.lowcoder
lowcoder-plugins
${revision}

<modelVersion>4.0.0</modelVersion>
<artifactId>smtpPlugin</artifactId>

<name>smtpPlugin</name>

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <java.version>17</java.version>
    <maven.compiler.source>${java.version}</maven.compiler.source>
    <maven.compiler.target>${java.version}</maven.compiler.target>
    <plugin.id>smtp-plugin</plugin.id>
    <plugin.class>org.lowcoder.plugins.SmtpPlugin</plugin.class>
    <plugin.version>${revision}</plugin.version>
    <plugin.provider>[email protected]</plugin.provider>
    <plugin.dependencies/>
</properties>

<dependencies>
<dependency>
    <groupId>com.sun.mail</groupId>
    <artifactId>javax.mail</artifactId>
    <version>1.6.2</version>
    <exclusions>
    <exclusion>
        <groupId>javax.activation</groupId>
        <artifactId>activation</artifactId>
    </exclusion>
</exclusions>
</dependency>
<dependency>
    <groupId>javax.activation</groupId>
    <artifactId>activation</artifactId>
    <version>1.1.1</version>
</dependency>
    <!--        vertx os async but not mature, used in test -->
    <!--         https://mvnrepository.com/artifact/io.vertx/vertx-mail-client -->
    <dependency>
        <groupId>io.vertx</groupId>
        <artifactId>vertx-mail-client</artifactId>
        <version>4.3.3</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>io.netty</groupId>
        <artifactId>netty-codec-http</artifactId>
        <version>4.1.77.Final</version>
        <scope>test</scope>
    </dependency>


    <!-- Test Dependencies -->

    <dependency>
        <groupId>org.testcontainers</groupId>
        <artifactId>testcontainers</artifactId>
        <version>1.18.0</version>
        <scope>test</scope>
    </dependency>
</dependencies>

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-shade-plugin</artifactId>
            <version>3.2.4</version>
            <executions>
                <execution>
                    <id>shade-plugin-jar</id>
                    <phase>package</phase>
                    <goals>
                        <goal>shade</goal>
                    </goals>
                    <configuration>
                        <minimizeJar>false</minimizeJar>
                        <transformers>
                            <transformer
                                    implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                <manifestEntries>
                                    <Plugin-Id>${plugin.id}</Plugin-Id>
                                    <Plugin-Class>${plugin.class}</Plugin-Class>
                                    <Plugin-Version>${plugin.version}</Plugin-Version>
                                    <Plugin-Provider>${plugin.provider}</Plugin-Provider>
                                </manifestEntries>
                            </transformer>
                        </transformers>
                        
                    </configuration>
                </execution>
            </executions>
        </plugin>
        <plugin>
            <artifactId>maven-dependency-plugin</artifactId>
            <executions>
                <execution>
                    <id>copy-dependencies</id>
                    <phase>package</phase>
                    <goals>
                        <goal>copy-dependencies</goal>
                    </goals>
                    <configuration>
                        <includeScope>runtime</includeScope>
                        <outputDirectory>${project.build.directory}/lib</outputDirectory>
                    </configuration>
                </execution>
            </executions>
        </plugin>
        <plugin>
            <artifactId>maven-antrun-plugin</artifactId>
        </plugin>
    </plugins>
</build>

I tried changing the pom but the problem persists.