java.lang.IllegalStateException: Failed to introspect Class [XXXX] from ClassLoader [ParallelWebappClassLoader
java无法启动，启动失败，是因为JAR没有打包进入。
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<id>copy-dependencies</id>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<outputDirectory>${project.build.directory}/${project.build.finalName}/WEB-INF/lib</outputDirectory>
<includeScope>system</includeScope>
</configuration>
</execution>
</executions>
</plugin>
钉钉需要POM加入：
<!-- dingding-sdk -->
<dependency>
<groupId>com.alibaba.openplatform.shared</groupId>
<artifactId>zwdd-sdk-java</artifactId>
<version>1.2.0</version>
<scope>system</scope>
<systemPath>${project.basedir}/lib/zwdd-sdk-java-1.2.0.jar</systemPath>
</dependency>
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
<version>2.10</version>
</dependency>
<!-- httpclient -->
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
</dependency>