问TIBCO BW调试REST服务失败.I创建了一个jdbc资源并测试了连接是否成功，但我有这个错误

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<>@BWEclipseAppNode> 12:12:32.545 INFO  [main] com.tibco.thor.frwk.Deployer - Started by BusinessStudio.
12:12:34.970 INFO  [main] com.tibco.bw.frwk.engine.BWEngine - TIBCO-BW-FRWK-300002: BW Engine [Main] started successfully.
12:12:35.355 INFO  [Framework Event Dispatcher: Equinox Container: 80edabb3-8e47-001c-18c5-90bdbc610de0] com.tibco.thor.frwk.Deployer - TIBCO-THOR-FRWK-300001: Started OSGi Framework of AppNode [BWEclipseAppNode] in AppSpace [BWEclipseAppSpace] of Domain [BWEclipseDomain]
12:12:35.483 INFO  [Framework Event Dispatcher: Equinox Container: 80edabb3-8e47-001c-18c5-90bdbc610de0] com.tibco.thor.frwk.Application - TIBCO-THOR-FRWK-300018: Deploying BW Application [RESTservice2.application:1.0].
12:12:40.067 INFO  [Framework Event Dispatcher: Equinox Container: 80edabb3-8e47-001c-18c5-90bdbc610de0] com.tibco.thor.frwk.Application - TIBCO-THOR-FRWK-300021: All Application dependencies are resolved for Application [RESTservice2.application:1.0]
12:12:41.431 INFO  [Thread-28] com.tibco.thor.frwk.Application - TIBCO-THOR-FRWK-300019: BW Application [RESTservice2.application:1.0] is impaired.
12:12:41.435 INFO  [Framework Event Dispatcher: Equinox Container: 80edabb3-8e47-001c-18c5-90bdbc610de0] com.tibco.thor.frwk.Application - Started by BusinessStudio, ignoring .enabled settings.
12:12:41.438 ERROR [CM Configuration Updater (Update: pid=bw.resource.jdbc.916120c9-fbcb-45de-a13c-b22e3edf76ec)] com.tibco.bw.sharedresource.runtime.dependency.ReferenceDependency - TIBCO-BW-SR-FRWK-503000: Unable to start SharedResource [restservice2.JDBCConnectionResource] from Module [RESTservice2:1.0.0.qualifier], DeploymentUnit [RESTservice2.application:1.0]. <Reason>: TIBCO-BW-SR-JDBC-500003: The database driver [com.mysql.jdbc.Driver] is not found.  Ensure that DataSourceFactory bundle providing this driver is available in the environment.