[jira] [Created] (SPARK-33175) Detect duplicated mountPath and

["Dongjoon Hyun (Jira)" <ji...@apache.org>]

Dongjoon Hyun created SPARK-33175:
-------------------------------------

             Summary: Detect duplicated mountPath and 
                 Key: SPARK-33175
                 URL: https://issues.apache.org/jira/browse/SPARK-33175
             Project: Spark
          Issue Type: Sub-task
          Components: Kubernetes
    Affects Versions: 3.1.0
            Reporter: Dongjoon Hyun


If there is a mountPath conflict, the pod is created and repeats the following error messages and keep running.
{code}
$ k get pod -l 'spark-role in (driver,executor)'
NAME    READY   STATUS    RESTARTS   AGE
tpcds   1/1     Running   0          4m20s
{code}

{code}
20/10/18 05:09:26 WARN ExecutorPodsSnapshotsStoreImpl: Exception when notifying snapshot subscriber.
io.fabric8.kubernetes.client.KubernetesClientException: Failure executing: POST at: https://2fba95910afd97c73b9a74acc07e0167.sk1.us-west-2.eks.amazonaws.com/api/v1/namespaces/default/pods. Message: Pod "tpcds-exec-1" is invalid: spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/data1": must be unique. Received status: Status(apiVersion=v1, code=422, details=StatusDetails(causes=[StatusCause(field=spec.containers[0].volumeMounts[1].mountPath, message=Invalid value: "/data1": must be unique, reason=FieldValueInvalid, additionalProperties={})], group=null, kind=Pod, name=tpcds-exec-1, retryAfterSeconds=null, uid=null, additionalProperties={}), kind=Status, message=Pod "tpcds-exec-1" is invalid: spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/data1": must be unique, metadata=ListMeta(_continue=null, remainingItemCount=null, resourceVersion=null, selfLink=null, additionalProperties={}), reason=Invalid, status=Failure, additionalProperties={}).
{code}

We had better fail at Spark side.



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