【参数赋值】，输出参数Access-Token，预览成功，见附件1；【数据同步】，使用上一步获取到的参数Access-Token，预览失败，见附件2；预览失败报错如下：com.fr.third.jayway.jsonpath.PathNotFoundException: No results for path: $java.util.concurrent.ExecutionException: com.fr.third.jayway.jsonpath.PathNotFoundException: No results for path: $ at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at com.fr.dp.executor.preview.PreviewExecutor.internalReusablePreview(PreviewExecutor.java:38) at com.fr.dp.executor.preview.PreviewExecutor.preview(PreviewExecutor.java:31) at com.fr.dp.scheduler.executor.action.preview.PreviewAction.lambda$preview$0(PreviewAction.java:36) at com.fr.dp.util.LambdaWrapper.lambda$rethrowFunction$1(LambdaWrapper.java:69) at com.fr.dp.scheduler.executor.action.preview.PreviewAction.apply(PreviewAction.java:25) at com.fr.dp.scheduler.executor.action.preview.PreviewAction.apply(PreviewAction.java:15) at com.fr.dp.scheduler.executor.job.DPJobExecutor.action(DPJobExecutor.java:462) at com.fr.dp.develop.service.impl.WorkSpaceServiceImpl.preview(WorkSpaceServiceImpl.java:349) at com.fr.dp.controller.DevDatasourceController.getPreviewData(DevDatasourceController.java:51) at sun.reflect.GeneratedMethodAccessor895.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.fr.third.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) at com.fr.third.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) at com.fr.third.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97) at com.fr.third.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:854) at com.fr.third.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:765) at com.fr.third.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) at com.fr.third.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) at com.fr.third.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) at com.fr.third.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) at com.fr.third.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872) at javax.servlet.http.HttpServlet.service(HttpServlet.java:681) at com.fr.third.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.decision.webservice.BackupActivator$1.doFilter(BackupActivator.java:77) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.dp.filter.EncryptFilter.doFilter(EncryptFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.decision.webservice.filter.TenantFilter.doFilter(TenantFilter.java:55) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.decision.base.DecisionServletInitializer$6.doFilterInternal(DecisionServletInitializer.java:238) at com.fr.third.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.decision.base.VirtualFilterChain.doFilter(VirtualFilterChain.java:34) at com.fr.decision.base.DecisionServletInitializer$4.doFilter(DecisionServletInitializer.java:170) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.decision.webservice.filter.EncryptionLevelFilterSupport.doFilterInternal(EncryptionLevelFilterSupport.java:39) at com.fr.decision.webservice.filter.EncryptionLevelFilter.doFilterInternal(EncryptionLevelFilter.java:29) at com.fr.third.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.plugin.system.operation.ops.filter.OpsIgnoreFilter$VirtualFilterChain.doFilter(Unknown Source) at com.fr.plugin.system.operation.ops.filter.impl.OpsFilter.doFilter(Unknown Source) at com.fr.plugin.system.operation.ops.filter.OpsIgnoreFilter$VirtualFilterChain.doFilter(Unknown Source) at com.fr.plugin.system.operation.ops.filter.OpsIgnoreFilter.doFilter(Unknown Source) at com.fr.decision.base.DecisionServletInitializer$5.doFilter(DecisionServletInitializer.java:199) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.decision.webservice.filter.SecurityRefererFilter.doFilter(SecurityRefererFilter.java:66) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.decision.webservice.filter.URICheckFilter.doFilterInternal(URICheckFilter.java:40) at com.fr.third.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.decision.webservice.filter.CookieCheckFilter.doFilterInternal(CookieCheckFilter.java:37) at com.fr.third.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at com.fr.third.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) at com.fr.third.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:196) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:698) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:366) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:639) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:847) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1680) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748)Caused by: com.fr.third.jayway.jsonpath.PathNotFoundException: No results for path: $ at com.fr.third.jayway.jsonpath.internal.path.EvaluationContextImpl.getValue(EvaluationContextImpl.java:133) at com.fr.third.jayway.jsonpath.JsonPath.read(JsonPath.java:189) at com.fr.third.jayway.jsonpath.internal.JsonContext.read(JsonContext.java:100) at com.fr.third.jayway.jsonpath.internal.JsonContext.read(JsonContext.java:83) at com.fr.third.jayway.jsonpath.JsonPath.read(JsonPath.java:504) at com.fr.dp.datasource.ds.JsonData.<init>(JsonData.java:32) at com.fr.dp.datasource.ds.RestAPIDatasource.streamData(RestAPIDatasource.java:72) at com.fr.dp.datasource.ds.RestAPIDatasource.streamSample(RestAPIDatasource.java:48) at com.fr.dp.develop.executor.preview.DataFlowPreviewExecutor.lambda$getSampleResultSet$5(DataFlowPreviewExecutor.java:265) at com.fr.dp.develop.executor.preview.DataFlowPreviewExecutor.lambda$buildSteps$6(DataFlowPreviewExecutor.java:286) at java.util.HashMap.forEach(HashMap.java:1289) at com.fr.dp.develop.executor.preview.DataFlowPreviewExecutor.buildSteps(DataFlowPreviewExecutor.java:284) at com.fr.dp.develop.executor.preview.DataFlowPreviewExecutor.getSampleResultSet(DataFlowPreviewExecutor.java:263) at com.fr.dp.develop.executor.preview.DataFlowPreviewExecutor.getPreviewResultSet(DataFlowPreviewExecutor.java:240) at com.fr.dp.develop.executor.preview.DataFlowPreviewExecutor.getPreviewSqlBean(DataFlowPreviewExecutor.java:213) at com.fr.dp.develop.executor.preview.reader.ReaderPreviewExecutor.previewAction(ReaderPreviewExecutor.java:32) at com.fr.dp.executor.preview.PreviewExecutor.call(PreviewExecutor.java:51) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ... 1 more
