Could not read JSON: Can not deserialize instance of org.springframework.xd.rest.domain.JobExecutionInfoResource[] out of START_OBJECT token - spring-xd

Question

Getting this error when running below code in eclispe
SpringXDTemplate xdTemplate = new SpringXDTemplate(new URI("http://my.ip:9393"));
List<JobExecutionInfoResource> listJobExecutions = xdTemplate.jobOperations().listJobExecutions();
i am using spring-xd version 1.3.1 and below is the stacktrace of the error:
Exception in thread "main" org.springframework.http.converter.HttpMessageNotReadableException: Could not read JSON: Can not deserialize instance of org.springframework.xd.rest.domain.JobExecutionInfoResource[] out of START_OBJECT token
at [Source: sun.net.www.protocol.http.HttpURLConnection$HttpInputStream#4478de9f; line: 1, column: 1]; nested exception is com.fasterxml.jackson.databind.JsonMappingException: Can not deserialize instance of org.springframework.xd.rest.domain.JobExecutionInfoResource[] out of START_OBJECT token
at [Source: sun.net.www.protocol.http.HttpURLConnection$HttpInputStream#4478de9f; line: 1, column: 1]
at org.springframework.http.converter.json.MappingJackson2HttpMessageConverter.readJavaType(MappingJackson2HttpMessageConverter.java:228)
at org.springframework.http.converter.json.MappingJackson2HttpMessageConverter.read(MappingJackson2HttpMessageConverter.java:220)
at org.springframework.web.client.HttpMessageConverterExtractor.extractData(HttpMessageConverterExtractor.java:95)
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:553)
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:506)
at org.springframework.web.client.RestTemplate.getForObject(RestTemplate.java:243)
at org.springframework.xd.rest.client.impl.JobTemplate.listJobExecutions(JobTemplate.java:145)
at com.citiustech.hscale.dataIngestion.App.main(App.java:20)
Caused by: com.fasterxml.jackson.databind.JsonMappingException: Can not deserialize instance of org.springframework.xd.rest.domain.JobExecutionInfoResource[] out of START_OBJECT token
at [Source: sun.net.www.protocol.http.HttpURLConnection$HttpInputStream#4478de9f; line: 1, column: 1]
at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:164)
at com.fasterxml.jackson.databind.DeserializationContext.mappingException(DeserializationContext.java:691)
at com.fasterxml.jackson.databind.DeserializationContext.mappingException(DeserializationContext.java:685)
at com.fasterxml.jackson.databind.deser.std.ObjectArrayDeserializer.handleNonArray(ObjectArrayDeserializer.java:222)
at com.fasterxml.jackson.databind.deser.std.ObjectArrayDeserializer.deserialize(ObjectArrayDeserializer.java:133)
at com.fasterxml.jackson.databind.deser.std.ObjectArrayDeserializer.deserialize(ObjectArrayDeserializer.java:18)
at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:2993)
at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:2158)
at org.springframework.http.converter.json.MappingJackson2HttpMessageConverter.readJavaType(MappingJackson2HttpMessageConverter.java:225)
... 7 more

Answer 1

Actually it was the jar issue.In code i was using rest-client jar 1.0.4 and my spring xd version was 1.3.1.
Moreover latest rest-client jar(1.3.1) is not available in maven but the same is available in deployment folder of spring-xd.
https://mvnrepository.com/artifact/org.springframework.xd/spring-xd-rest-client