Get topic
GET/metalakes/:metalake/catalogs/:catalog/schemas/:schema/topics/:topic
Return the specified topic object
Request
Path Parameters
The name of the metalake
The name of the catalog
The name of the schema
The name of the topic
Responses
- 200
 - 404
 - 5xx
 
Returns include the topic object
- application/vnd.gravitino.v1+json
 
- Schema
 - Example (from schema)
 - TopicResponse
 
Schema
Possible values: [0]
Status code of the response
topic
object
The name of the topic
The comment of the topic
properties
object
nullable
The properties of the topic
{
  "code": 0,
  "topic": {
    "name": "string",
    "comment": "string",
    "properties": {}
  }
}
{
  "code": 0,
  "topic": {
    "name": "topic1",
    "comment": "This is a topic",
    "properties": {
      "partition-count": "1",
      "replication-factor": "1"
    }
  }
}
Not Found - The target topic does not exist
- application/vnd.gravitino.v1+json
 
- Schema
 - Example (from schema)
 - NoSuchMetalakeException
 - NoSuchCatalogException
 - NoSuchSchemaException
 - NoSuchTopicException
 
Schema
Possible values: >= 1000 and <= 1100
HTTP response code
Internal type definition of the error
A human-readable message
{
  "code": 1002,
  "type": "string",
  "message": "string",
  "stack": [
    "string"
  ]
}
{
  "code": 1003,
  "type": "NoSuchMetalakeException",
  "message": "Failed to operate metalake(s) [test] operation [LOAD], reason [NoSuchMetalakeException]",
  "stack": [
    "org.apache.gravitino.exceptions.NoSuchMetalakeException: Metalake test does not exist",
    "..."
  ]
}
{
  "code": 1003,
  "type": "NoSuchCatalogException",
  "message": "Failed to operate catalog(s) [test] operation [LOAD] under metalake [my_test_metalake], reason [NoSuchCatalogException]",
  "stack": [
    "org.apache.gravitino.exceptions.NoSuchCatalogException: Catalog my_test_metalake.test does not exist",
    "..."
  ]
}
{
  "code": 1003,
  "type": "NoSuchSchemaException",
  "message": "Failed to operate schema(s) [my_hive_schema1] operation [LOAD] under catalog [my_hive_catalog], reason [NoSuchSchemaException]",
  "stack": [
    "org.apache.gravitino.exceptions.NoSuchSchemaException: Hive schema (database) does not exist: my_hive_schema1 in Hive Metastore",
    "..."
  ]
}
{
  "code": 1003,
  "type": "NoSuchTopicException",
  "message": "Topic does not exist",
  "stack": [
    "org.apache.gravitino.exceptions.NoSuchTopicException: Topic does not exist",
    "..."
  ]
}
A server-side problem that might not be addressable from the client side. Used for server 5xx errors without more specific documentation in individual routes.
- application/vnd.gravitino.v1+json
 
- Schema
 - Example (from schema)
 - Example
 
Schema
Possible values: >= 1000 and <= 1100
HTTP response code
Internal type definition of the error
A human-readable message
{
  "code": 1002,
  "type": "string",
  "message": "string",
  "stack": [
    "string"
  ]
}
{
  "code": 1002,
  "type": "RuntimeException",
  "message": "Internal Server Error",
  "stack": [
    "java.lang.RuntimeException: Internal Server Error"
  ]
}