1. --------------------
2. Exception in thread "main" io.fabric8.kubernetes.client.KubernetesClientException: An error has occurred.
3.         at io.fabric8.kubernetes.client.KubernetesClientException.launderThrowable(KubernetesClientException.java:64)
4.         at io.fabric8.kubernetes.client.KubernetesClientException.launderThrowable(KubernetesClientException.java:53)
5.         at io.fabric8.kubernetes.client.utils.Serialization.unmarshal(Serialization.java:248)
6.         at io.fabric8.kubernetes.client.utils.Serialization.unmarshal(Serialization.java:199)
7.         at io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:474)
8.         at io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:430)
9.         at io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:412)
10.         at io.fabric8.kubernetes.client.dsl.base.BaseOperation.listRequestHelper(BaseOperation.java:151)
11.         at io.fabric8.kubernetes.client.dsl.base.BaseOperation.list(BaseOperation.java:621)
12.         at io.fabric8.kubernetes.client.dsl.base.BaseOperation.list(BaseOperation.java:70)
13.         at PipelineTest.main(PipelineTest.java:8)
14. Caused by: com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot construct instance of `io.fabric8.tekton.pipeline.v1beta1.ArrayOrString` (although at least one Creator exists): no String-argument constructor/factory method to deserialize from String value ('k8s')
15.  at [Source: (BufferedInputStream); line: 1, column: 632] (through reference chain: io.fabric8.tekton.pipeline.v1beta1.TaskList["items"]->java.util.ArrayList[0]->io.fabric8.tekton.pipeline.v1beta1.Task["spec"]->io.fabric8.tekton.pipeline.v1beta1.TaskSpec["params"]->java.util.ArrayList[0]->io.fabric8.tekton.pipeline.v1beta1.ParamSpec["default"])
16.         at com.fasterxml.jackson.databind.exc.MismatchedInputException.from(MismatchedInputException.java:63)
17.         at com.fasterxml.jackson.databind.DeserializationContext.reportInputMismatch(DeserializationContext.java:1432)
18.         at com.fasterxml.jackson.databind.DeserializationContext.handleMissingInstantiator(DeserializationContext.java:1062)
19.         at com.fasterxml.jackson.databind.deser.ValueInstantiator._createFromStringFallbacks(ValueInstantiator.java:371)
20.         at com.fasterxml.jackson.databind.deser.std.StdValueInstantiator.createFromString(StdValueInstantiator.java:323)
21.         at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializeFromString(BeanDeserializerBase.java:1373)
22.         at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeOther(BeanDeserializer.java:171)
23.         at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:161)
24.         at com.fasterxml.jackson.databind.deser.impl.MethodProperty.deserializeAndSet(MethodProperty.java:129)
25.         at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:288)
26.         at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:151)
27.         at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:286)
28.         at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:245)
29.         at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:27)
30.         at com.fasterxml.jackson.databind.deser.impl.MethodProperty.deserializeAndSet(MethodProperty.java:129)
31.         at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:288)
32.         at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:151)
33.         at com.fasterxml.jackson.databind.deser.impl.MethodProperty.deserializeAndSet(MethodProperty.java:129)
34.         at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:288)
35.         at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:151)
36.         at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:286)
37.         at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:245)
38.         at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:27)
39.         at com.fasterxml.jackson.databind.deser.impl.MethodProperty.deserializeAndSet(MethodProperty.java:129)
40.         at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:288)
41.         at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:151)
42.         at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:4218)
43.         at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3259)
44.         at io.fabric8.kubernetes.client.utils.Serialization.unmarshal(Serialization.java:246)
45.         ... 8 more