pillarsource

**Bug Description** 在datagear3.2.0应用中使用TDengine-client的3.0.0驱动，出现无法连接数据库的情况。之前使用2.0的驱动没有问题。 **Screenshots**  **Error log org.datagear.connection.ConnectionSourceException: java.lang.NoClassDefFoundError: com/alibaba/fastjson/JSONObject at org.datagear.connection.DefaultConnectionSource.getConnection(DefaultConnectionSource.java:389) at org.datagear.connection.DefaultConnectionSource.getPreferredConnection(DefaultConnectionSource.java:186) at org.datagear.connection.DefaultConnectionSource.getConnection(DefaultConnectionSource.java:146) at org.datagear.management.util.SchemaConnectionSupport.getSchemaConnection(SchemaConnectionSupport.java:54) at org.datagear.web.controller.AbstractSchemaConnController.getSchemaConnection(AbstractSchemaConnController.java:151) at org.datagear.web.controller.SchemaController.testConnection(SchemaController.java:271) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at...