Cosmos db partition key is invalid May I check which part am I missing or do I have to wait for patch private preview feature to be enabled for my cosmos db? Oct 5, 2024 路 The collection was originally accessed using the DocumentDB client, and the partition key is specified as /header. This is not JavaScript, but the partition key value sent over the wire has bits reserved for the data type of the partition key value: string, Boolean, int, null, undefined, along with the actual value. Migrate nonpartitioned Azure Cosmos DB containers to partitioned containers Learn how to migrate all the existing nonpartitioned containers into partitioned containers. 38. Currently, Terraform only supports creating containers with a single partition key path. Thus you would need to specify it in the following format: /{path to property name} e. ReadAllText(fileOne)); string itemId = // Extract ID from item var response = await cosmosContainer Jan 15, 2019 路 couple questions related to your answer. Jun 24, 2025 路 Azure Cosmos DB distributes your data across logical and physical partitions based on your partition keys to support horizontal scaling. zip ghost added Needs: Triage 馃攳 on Mar 18, 2022 Mar 11, 2025 路 I'm not sure if this is more a Cosmos API issue or an emulator issue, but if I try to call my emulator instance with a create container request, I get a message that says I did not provide a partition key kind eventhough it was provided. Microsoft documentation for az cosmosdb collection create says that --partition-key-path can be used to name a key to use for a collection. Connecting directly with the client Sep 6, 2021 路 partitionKey, patchOperations); I am expecting to get endpointId property to be replaced with 100. Windows, Linux, MacOSX): Windows Additional context Add any other context about the problem here (for example, complete stack traces or logs). I can't add new item, I am facing following error, Message: {"Errors": ["PartitionKey extracted from document doesn't match the one specified in the header. The query execution is scoped to that partition, so the filtering is implicitly applied. NET SDK v3, but not through the Data Explorer. Aug 15, 2024 路 fyi you'll need to map Id to id, since every Cosmos DB document has an id. For instance department name could be a good example. The partition key plays an important role in storing and accessing data and the partition key makes the filtering data more efficient and optimized. Apr 24, 2020 路 I need to save JSON parsed data to Cosmos Db, HTTP trigger works as it should as well as parsing but getting Partition key [my_dynamic_key_value] is invalid. Jul 25, 2025 路 APPLIES TO: NoSQL Unique keys add a layer of data integrity to an Azure Cosmos DB container. To Reproduce az cosmosdb collection create --collection- Aug 17, 2023 路 Looks like you enabled hierarchical partition keys via command line (the Preview flag). Aug 11, 2021 路 The sample code provided does not include a partition key but when I do a query following that example, I get the following error: The partition key supplied in x-ms-partitionkey header has fewer components than defined in the the collection. As long as the partition key is an appropriate choice for your writes (subject to a per-logical partition key cap of 10GB) and queries, you should be good. Aug 29, 2021 路 I created new container and given partition key as zone. When you create your collection, you're asked to specify a partition key, if you create it via the portal. Please note that partition key should not be set to a field like TicketNumber because you will end up with many many many partitions with most likely single row in them. DocumentClientException: Partition key path /partKey is invalid for MongoDB API. Something like: az cosmosdb sql container create --account-name testaccjul1 --resource-group demo-app-test --database-name cosdbjul2 --name container1 --partition-key-path "/zip" --throughput 400 This is based off of example . Jun 17, 2020 路 Troubleshoot Azure Cosmos DB Bad Request Exceptions Learn how to diagnose and fix bad request exceptions such as input content or partition key is invalid, partition key doesn't match in Azure Cosmos DB. Every item must include the Partition Key value in its unique identifier, which allows Cosmos DB to route the request to the correct partition. It should look like: foreach (var fileOne in Directory. No additional context. CosmosException with no details. Feb 26, 2019 路 When using az cosmos collection create and --partition-key "", the key created is not the same as when creating it through the portal, and results in errors when inserting records. Apr 29, 2022 路 I am trying to create a cosmos db trigger for Gremlin API, since the trigger requires partition key as /id, I am not able to create it either from settings in trigger itself (createLeaseCollectionIfNotExists) nor from the azure portal, since it partition key cannot be either /id or /label. Aug 11, 2022 路 Lastly, the use of id as a partition key effectively puts every document into its own logical partition (basically using Cosmos as a key/value store). SerializeAsync(stream, File. Summary Overall, the new Cosmos DB SDK is easy to use and fairly straightforward. Aug 2, 2021 路 The partition key is used to figure out which physical machine in Cosmos DB should store the item. Environment summary SDK Version: 3. /abc Hope this helps someone out there who is struggling to fix this issue! Dec 17, 2024 路 Describe the bug Seems like the new linux emulator ignores the PartitionKey set in the RequestOptions. If your path is /_partitionKey then: There should be a property in the document's body named _partitionKey Feb 22, 2022 路 Describe the bug Attempting to manually create a container fails without partitionkey. I have a container the partition key for which is say "_partitionKey". Oct 31, 2019 路 Hi @lilyjma - I think the issue is that the specified partition_key needs to be the value of the partition key in the item, not the path specified in the PartitionKey definition. This happens with direct REST API calls and using the Jul 17, 2025 路 Invalid character in an item ID An item is inserted into Azure Cosmos DB with an invalid character in the item ID. Please Cosmos DB designed to scale horizontally based on the distribution of data between Physical Partitions (PP) (think of it as separately deployable underlaying self-sufficient node) and logical partition - bucket of documents with same characteristic (partition key) which is supposed to be stored fully on the same PP. microsoft. We want to store and maintain data in a single graph but different data sources doesn't have same partition key? Nov 26, 2019 路 One of the specified inputs is invalid Asked 5 years, 11 months ago Modified 1 year, 4 months ago Viewed 21k times In Azure Cosmos DB, Partition Keys are critical for data distribution, scalability, and performance, especially in a multi-tenant environment. After you create a container with a unique key policy, the creation of a new Sep 29, 2021 路 Cosmos produces a hash using your partition key with a value between 1 and the number of servers. Jun 25, 2024 路 How to enable partition key delete feature for my Azure cosmos account? Oct 31, 2023 路 I am trying to send a request to the Cosmos DB API in Azure, using PowerShell, but I keep getting the following error back from the service: "The partition key supplied in x-ms-partitionkey he May 10, 2023 路 If you are interested in working on this issue or have submitted a pull request, please leave a comment Description As a Terraform user, I'd like to be able to create Azure Cosmos DB containers with hierarchical partition keys. May 12, 2019 路 "Invalid partition key" when making a REST call using Node. Cosmos. Collections must exist with case-sensitive pattern in increasing numeric order starting with 0. Microsoft. Oct 22, 2021 路 Learn how to diagnose and fix not found exceptions. 46. Request and response headers, body, status codes and examples. By using hierarchical partition keys (also called subpartitoning), you can configure up to a three-level hierarchy for your partition keys to further optimize data distribution and for a higher level of scaling. Oh and you're generating your slug by including its own guid. Sep 21, 2025 路 Getting started To change the partition key of a container in Azure Cosmos DB for the NoSQL API using the Azure portal, follow these steps: Navigate to the Data Explorer in the Azure Cosmos DB portal and select the container for which you need to change the partition key. However, the user is encountering issues when attempting to read an item with the correct partition key value, resulting in a Microsoft. Text. Fix: Always filter queries using the shard key. Earlier I was not using partition key and this code was working but I came to know that for delete/update, parti Cosmos DB designed to scale horizontally based on the distribution of data between Physical Partitions (PP) (think of it as separately deployable underlaying self-sufficient node) and logical partition - bucket of documents with same characteristic (partition key) which is supposed to be stored fully on the same PP. Bookmark the permalink. Rule of thumb is that you should set partition key to a field that groups multiple fields but also maintain high cardinality. The parameter avoids the SDK from needing to extract it from the object which adds overhead. stringify([pkey]); Partition key for a partitioned collection is actually the path to a property in Cosmosdb. We saw id field Dec 17, 2024 路 Create Azure Cosmos DB containers with large partition key Learn how to create a container in Azure Cosmos DB with large partition key using Azure portal and different SDKs. Feb 24, 2025 路 Issue: If your Cosmos DB collection is sharded (partitioned), you must include the partition key (shard key) in your query. GetFiles(fileLoc)) { MemoryStream stream = new MemoryStream(); await System. May 31, 2020 路 Yes Repro steps: Startup Azure Cosmos DB emulator with the /EnableMongoDbEndpoint flag Connect to mongodb endpoint via vscode extension Create any database Add Collection, enter a valid partition key Error a Aug 1, 2022 路 I'm trying to create a collection with shard key in Azure Cosmos DB for Mongo API, but this code throws an error as com. The combination of the two uniquely identifies a row - not the "id" alone. Did anyone have a similar issue? Oct 8, 2021 路 In Javascript headers['x-ms-documentdb-partitionkey'] = JSON. You don't have to worry about the number of logical partition keys that are created on a Cosmos DB collection/container. The Stream APIs are a great addition for apps with large entities. Again, if your collection is not partitioned, you can specify the partition key as null. All queries over this data will be fan-out or cross partition queries. Now when WE pass x-ms-documentdb-partitionkey in header with ["valu Mar 13, 2021 路 Whatever you specify as the partition key must exist in the payload with the exact same name. ReadContainerAsync () to get and confirm the PartitionKeyPath is the same that is being specified in CreateItemAsync To Reproduce Running the following CreateItemAsync call: Jul 25, 2022 路 Please put the partition key path in double quotes. Sep 24, 2020 路 In your provided code, it seems like you're sending the partition key name "id" rather than the id of the item. However, I am faced with Message: {"Errors":["One of the specified inputs is invalid"]}. g. Jan 25, 2019 路 But other than that, specify partition key + id, and the entity is deleted. . Cosmos DB internally routes your request to the correct physical partition based on the provided PartitionKey. Jun 11, 2020 路 Unable to delete a document when partition key value for the document is specified as part of request options. Feb 17, 2025 路 You do not need to explicitly add WHERE PartitionKey = @PartitionKey in your query. Nov 9, 2019 路 A shard key in MongoDB maps to a partition key in Cosmos DB. You create a unique key policy when you create an Azure Cosmos DB container. Mar 3, 2024 路 Actual behavior A 400 status code is returned saying that the partition key values do not match. We have create hirarchical partition key like /id, /date. documentdb. Jul 22, 2025 路 Learn how to diagnose and fix bad request exceptions such as input content or partition key is invalid, partition key doesn't match in Azure Cosmos DB. "The requested partition key is out of key range, possibly because of loss of precision of partition key value" A response with this error is likely caused by an operation on a document with a numeric partition key whose value is outside what Azure Cosmos DB supports. and probably the same with your partition key (Slug vs slug). 0) nuGet Package) To Reproduce Use any CosmosDb Add a Cont Jul 23, 2025 路 The Partition Key in Azure Cosmos DB is an important factor for distributing data efficiently across the database's physical partitions. Azure. Jun 3, 2019 路 Error connecting to Cosmos DB Database: Invalid or no matching collections found with collection pattern 'containername/ {partition}'. I have created a JS object like below { id: "uuid", partition_name: "kind", column: "value" } I simply input this into the update/insert with curly braces. js to retrieve a single document from Azure Cosmos DB Asked 5 years, 11 months ago Modified 5 years, 11 months ago Viewed 2k times Feb 11, 2019 路 I am from the Cosmos DB engineering team. Feb 5, 2019 路 This entry was posted in Azure and tagged automation, cosmos, documents, logic app, logicapp, partition, partition key, sql api. Feb 27, 2018 路 In Cosmos DB, the primary key is the combination of partition key and the row key ("id"). CreateContainerIfNotExistsAsync (containerProperties) writeContainer. JsonSerializer. Proceed to the Scale & Settings option and choose the Partition Keys tab. Dec 14, 2018 路 Re: Cosmos DB Error: PartitionKey extracted from document doesn't match the one specified in the hea For x-ms-documentdb-partitionkey value you would need to specify the partition key value ("1234") and not the partition key attribute ("id"). Cosmos (3. In this case, it's a "MongoDB" collection: name='myName' Learn how to query Azure Cosmos DB resources using REST API. Aug 14, 2024 路 This doc discusses the ways to troubleshoot common issues encountered in Azure Cosmos DB's API for MongoDB. Please Aug 14, 2024 路 This doc discusses the ways to troubleshoot common issues encountered in Azure Cosmos DB's API for MongoDB. (using Microsoft. Write efficient queries, create indexing policies, manage, and provision resources in the SQL API and SDK with Microsoft Azure Cosmos DB. Json. code in the settings. Oct 29, 2024 路 I have successfully run checks on the database and container that things look correct: db. azure. So the doc id is a good partition key because it is unique and can have a large range of values. 1 OS Version (e. CosmosException: ‘Response status code does not indicate success: BadRequest (400); Substatus: 1001; ActivityId: 88c1895e-a23c-5812-c205-d4503555d2cd; Reason: (Message: {“Errors”: [“PartitionKey extracted from document Sep 20, 2023 路 I'm able to run a basic ReadItemAsync () query on the Cosmos DB Emulator (on a container with a hierarchical partition key) through using the . You also can guarantee uniqueness per partition key. Oct 5, 2023 路 Hi Team, Is there any limitation in the length or number of characters for partition key and Id in Cosmos Db? We are using SQL API. Jul 22, 2021 路 Can we create cosmos db graph container (Gremlin API) without partition key ? Hi All, We are working on building connected graph implementation with Gremlin API. Troubleshoot Azure Cosmos DB Bad Request Exceptions Learn how to diagnose and fix bad request exceptions such as input content or partition key is invalid, partition key doesn't match in Azure Cosmos DB. Feb 23, 2023 路 A container has a Partition Key Definition/Path, which is set during the creation of the container and it's the JSON path to the property that will contain the Partition Key Value. this is the data: But when I run the query for Insert/update, I get the error: The 'kind' value 'MultiHash' specified in the partition key definition is invalid. Dec 18, 2023 路 We are trying to create a cosmos DB document with REST API Call. Does the Azure Portal create a collection as you describe as of today, since we MUST provide the partition key id? How would you reference the partition key's value in a ReadDocumentAsync? All I get is Entity with specified id does not exist. Mar 18, 2022 路 Cosmos DB account creation Cosmos DB sql database support API container creation first two deployments worked fine while running 3rd getting the error as above specifically for "partition key" Attaching herewith the files 3 bicep & json parameters file for reference cosmos-sqlcontainer. Mar 13, 2024 路 I am unable to update or insert the record into cosmosDB from retool. Mar 19, 2020 路 I am trying to insert documents in Azure CosmosDB collection using stored procedure. Now please edit to show your code for setting up a container with hierarchical partition key. With unique keys, you make sure that one or more values within a logical partition is unique. kyhidk eulrq suvly adqee zlog vungn lus ppna xravnng kzgsxh rbv wgp cru cjklpqk ivfacgm