hx23840 opened a new issue, #3628: URL: https://github.com/apache/incubator-seatunnel/issues/3628
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/incubator-seatunnel/issues?q=is%3Aissue+label%3A%22bug%22) and found no similar issues. ### What happened When i try http connector, in config, body is not required, but it error with not set body; set json_field,the jsonpath init error;parseMap parse json data error ### SeaTunnel Version dev ### SeaTunnel Config ```conf env { # You can set flink configuration here execution.parallelism = 1 job.mode = "BATCH" #execution.checkpoint.interval = 10000 #execution.checkpoint.data-uri = "hdfs://localhost:9000/checkpoint" } source { Http { url = "http://192.168.50.58:8099/api/test"; method = "POST" format = "json" json_field = { id = "$.results.items[*].id" name = "$.results.items[*].name" title = "$.results.items[*].title" url = "$.results.items[*].url" publish_time = "$.results.items[*].publish_time" score = "$.results.items[*].score" } schema = { fields { id = string name = string title = string url = string publish_time = string score = float } } } } transform { } sink { console { } } ``` ### Running Command ```shell ./bin/seatunnel.sh \ --config ./config/seatunnel.streaming.conf.template -e local ``` ### Error Exception ```log 2022-12-02 12:14:05,415 ERROR org.apache.seatunnel.connectors.seatunnel.http.source.HttpSourceReader - Index 1 out of bounds for length 1 java.lang.IndexOutOfBoundsException: Index 1 out of bounds for length 1 at jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64) ~[?:?] at jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70) ~[?:?] at jdk.internal.util.Preconditions.checkIndex(Preconditions.java:248) ~[?:?] at java.util.Objects.checkIndex(Objects.java:372) ~[?:?] at java.util.ArrayList.get(ArrayList.java:459) ~[?:?] at org.apache.seatunnel.connectors.seatunnel.http.source.HttpSourceReader.parseToMap(HttpSourceReader.java:120) ~[classes/:?] at org.apache.seatunnel.connectors.seatunnel.http.source.HttpSourceReader.pollNext(HttpSourceReader.java:93) [classes/:?] at org.apache.seatunnel.engine.server.task.flow.SourceFlowLifeCycle.collect(SourceFlowLifeCycle.java:113) [classes/:?] at org.apache.seatunnel.engine.server.task.SourceSeaTunnelTask.collect(SourceSeaTunnelTask.java:68) [classes/:?] at org.apache.seatunnel.engine.server.task.SeaTunnelTask.stateProcess(SeaTunnelTask.java:150) [classes/:?] at org.apache.seatunnel.engine.server.task.SourceSeaTunnelTask.call(SourceSeaTunnelTask.java:74) [classes/:?] at org.apache.seatunnel.engine.server.TaskExecutionService$BlockingWorker.run(TaskExecutionService.java:286) [classes/:?] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?] at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264) [?:?] at java.util.concurrent.FutureTask.run(FutureTask.java) [?:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?] at java.lang.Thread.run(Thread.java:829) [?:?] 2022-12-02 12:11:17,444 ERROR org.apache.seatunnel.connectors.seatunnel.http.source.HttpSourceReader - Source string may not be null java.lang.IllegalArgumentException: Source string may not be null at org.apache.http.util.Args.notNull(Args.java:54) ~[httpcore-4.4.4.jar:4.4.4] at org.apache.http.entity.StringEntity.<init>(StringEntity.java:67) ~[httpcore-4.4.4.jar:4.4.4] at org.apache.seatunnel.connectors.seatunnel.http.client.HttpClientProvider.addBody(HttpClientProvider.java:385) ~[classes/:?] at org.apache.seatunnel.connectors.seatunnel.http.client.HttpClientProvider.doPost(HttpClientProvider.java:266) ~[classes/:?] at org.apache.seatunnel.connectors.seatunnel.http.client.HttpClientProvider.execute(HttpClientProvider.java:107) ~[classes/:?] at org.apache.seatunnel.connectors.seatunnel.http.source.HttpSourceReader.pollNext(HttpSourceReader.java:84) [classes/:?] at org.apache.seatunnel.engine.server.task.flow.SourceFlowLifeCycle.collect(SourceFlowLifeCycle.java:113) [classes/:?] at org.apache.seatunnel.engine.server.task.SourceSeaTunnelTask.collect(SourceSeaTunnelTask.java:68) [classes/:?] at org.apache.seatunnel.engine.server.task.SeaTunnelTask.stateProcess(SeaTunnelTask.java:150) [classes/:?] at org.apache.seatunnel.engine.server.task.SourceSeaTunnelTask.call(SourceSeaTunnelTask.java:74) [classes/:?] at org.apache.seatunnel.engine.server.TaskExecutionService$BlockingWorker.run(TaskExecutionService.java:286) [classes/:?] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?] at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264) [?:?] at java.util.concurrent.FutureTask.run(FutureTask.java) [?:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?] at java.lang.Thread.run(Thread.java:829) [?:?] ``` ### Flink or Spark Version _No response_ ### Java or Scala Version _No response_ ### Screenshots * body null error  * init jsonpath error  * parse data error  * fix data  ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. 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