问题描述
我想使用 aws cdk typescript 创建以下步骤函数。 这是代码片段截图: 我在打字稿中尝试了以下代码:
const finalStep = new sfn.Pass(this,'FinalStep');
const fallBackJson={
Type: "Task",Resource: "lambdaARN",ResultPath: "$.taskresult",InputPath: "$",Next: "FinalStep"
};
// States language JSON to put an item into DynamoDB
// snippet generated from https://docs.aws.amazon.com/step-functions/latest/dg/tutorial-code-snippet.html#tutorial-code-snippet-1
const startRecordingJson = {
Type: "Task",Resource: joinMeetingLambda.functionArn,Parameters: {
"meetingId.$": "$.meetingId","projectId.$": "$.projectId","meetingURL.$": "$.meetingURL","subscriptionId.$": "$.subscriptionId","recordingAction": "start"
},Retry: [
{
"ErrorEquals": [
"RecordingFailedToStart"
],"IntervalSeconds": 1,"MaxAttempts": 5,"BackoffRate": 2
}
],Catch: [
{
"ErrorEquals": [
"RecordingFailedToStart"
],Next: "FallBack"
}
]
};
// custom state which represents a task to insert data into DynamoDB
const startRecordingState = new sfn.CustomState(this,'InvokeRecording',{
stateJson: startRecordingJson,});
const fallBackState = new sfn.CustomState(this,'FallBack',{
fallBackJson,});
const chain = sfn.Chain.start(startRecordingState)
.next(finalStep)
const sm = new sfn.StateMachine(this,'StateMachine',{
deFinition: chain,timeout: cdk.Duration.seconds(30),});
Invalid State Machine DeFinition: 'SCHEMA_VALIDATION_Failed: The field 'Type' is required at /States/FallBack'
解决方法
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