--------------------
Exception in thread "main" io.fabric8.kubernetes.client.KubernetesClientException: An error has occurred.
        at io.fabric8.kubernetes.client.KubernetesClientException.launderThrowable(KubernetesClientException.java:64)
        at io.fabric8.kubernetes.client.KubernetesClientException.launderThrowable(KubernetesClientException.java:53)
        at io.fabric8.kubernetes.client.utils.Serialization.unmarshal(Serialization.java:248)
        at io.fabric8.kubernetes.client.utils.Serialization.unmarshal(Serialization.java:199)
        at io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:474)
        at io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:430)
        at io.fabric8.kubernetes.client.dsl.base.OperationSupport.handleResponse(OperationSupport.java:412)
        at io.fabric8.kubernetes.client.dsl.base.BaseOperation.listRequestHelper(BaseOperation.java:151)
        at io.fabric8.kubernetes.client.dsl.base.BaseOperation.list(BaseOperation.java:621)
        at io.fabric8.kubernetes.client.dsl.base.BaseOperation.list(BaseOperation.java:70)
        at PipelineTest.main(PipelineTest.java:8)
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')
 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"])
        at com.fasterxml.jackson.databind.exc.MismatchedInputException.from(MismatchedInputException.java:63)
        at com.fasterxml.jackson.databind.DeserializationContext.reportInputMismatch(DeserializationContext.java:1432)
        at com.fasterxml.jackson.databind.DeserializationContext.handleMissingInstantiator(DeserializationContext.java:1062)
        at com.fasterxml.jackson.databind.deser.ValueInstantiator._createFromStringFallbacks(ValueInstantiator.java:371)
        at com.fasterxml.jackson.databind.deser.std.StdValueInstantiator.createFromString(StdValueInstantiator.java:323)
        at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializeFromString(BeanDeserializerBase.java:1373)
        at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeOther(BeanDeserializer.java:171)
        at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:161)
        at com.fasterxml.jackson.databind.deser.impl.MethodProperty.deserializeAndSet(MethodProperty.java:129)
        at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:288)
        at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:151)
        at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:286)
        at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:245)
        at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:27)
        at com.fasterxml.jackson.databind.deser.impl.MethodProperty.deserializeAndSet(MethodProperty.java:129)
        at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:288)
        at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:151)
        at com.fasterxml.jackson.databind.deser.impl.MethodProperty.deserializeAndSet(MethodProperty.java:129)
        at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:288)
        at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:151)
        at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:286)
        at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:245)
        at com.fasterxml.jackson.databind.deser.std.CollectionDeserializer.deserialize(CollectionDeserializer.java:27)
        at com.fasterxml.jackson.databind.deser.impl.MethodProperty.deserializeAndSet(MethodProperty.java:129)
        at com.fasterxml.jackson.databind.deser.BeanDeserializer.vanillaDeserialize(BeanDeserializer.java:288)
        at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:151)
        at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:4218)
        at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:3259)
        at io.fabric8.kubernetes.client.utils.Serialization.unmarshal(Serialization.java:246)
        ... 8 more