diff --git a/sdk/cosmos/azure-cosmos-spark_3-1_2-12/CHANGELOG.md b/sdk/cosmos/azure-cosmos-spark_3-1_2-12/CHANGELOG.md
index 1ccfc6b82b863..128664504dd77 100644
--- a/sdk/cosmos/azure-cosmos-spark_3-1_2-12/CHANGELOG.md
+++ b/sdk/cosmos/azure-cosmos-spark_3-1_2-12/CHANGELOG.md
@@ -7,6 +7,7 @@
 #### Breaking Changes
 
 #### Bugs Fixed
+* Fixed an issue to avoid transient `IllegalArgumentException` due to duplicate json properties for the `uniqueKeyPolicy` property. - See [PR 41608](https://github.com/Azure/azure-sdk-for-java/pull/41608)
 
 #### Other Changes
 
diff --git a/sdk/cosmos/azure-cosmos-spark_3-2_2-12/CHANGELOG.md b/sdk/cosmos/azure-cosmos-spark_3-2_2-12/CHANGELOG.md
index f5cf4311e4015..f670d8362b032 100644
--- a/sdk/cosmos/azure-cosmos-spark_3-2_2-12/CHANGELOG.md
+++ b/sdk/cosmos/azure-cosmos-spark_3-2_2-12/CHANGELOG.md
@@ -7,6 +7,7 @@
 #### Breaking Changes
 
 #### Bugs Fixed
+* Fixed an issue to avoid transient `IllegalArgumentException` due to duplicate json properties for the `uniqueKeyPolicy` property. - See [PR 41608](https://github.com/Azure/azure-sdk-for-java/pull/41608)
 
 #### Other Changes
 
diff --git a/sdk/cosmos/azure-cosmos-spark_3-3_2-12/CHANGELOG.md b/sdk/cosmos/azure-cosmos-spark_3-3_2-12/CHANGELOG.md
index c1e7561fd2205..2c4e54485ef27 100644
--- a/sdk/cosmos/azure-cosmos-spark_3-3_2-12/CHANGELOG.md
+++ b/sdk/cosmos/azure-cosmos-spark_3-3_2-12/CHANGELOG.md
@@ -7,6 +7,7 @@
 #### Breaking Changes
 
 #### Bugs Fixed
+* Fixed an issue to avoid transient `IllegalArgumentException` due to duplicate json properties for the `uniqueKeyPolicy` property. - See [PR 41608](https://github.com/Azure/azure-sdk-for-java/pull/41608)
 
 #### Other Changes
 
diff --git a/sdk/cosmos/azure-cosmos-spark_3-4_2-12/CHANGELOG.md b/sdk/cosmos/azure-cosmos-spark_3-4_2-12/CHANGELOG.md
index cd8853468931e..ebae366c42970 100644
--- a/sdk/cosmos/azure-cosmos-spark_3-4_2-12/CHANGELOG.md
+++ b/sdk/cosmos/azure-cosmos-spark_3-4_2-12/CHANGELOG.md
@@ -7,6 +7,7 @@
 #### Breaking Changes
 
 #### Bugs Fixed
+* Fixed an issue to avoid transient `IllegalArgumentException` due to duplicate json properties for the `uniqueKeyPolicy` property. - See [PR 41608](https://github.com/Azure/azure-sdk-for-java/pull/41608)
 
 #### Other Changes
 
diff --git a/sdk/cosmos/azure-cosmos-spark_3-5_2-12/CHANGELOG.md b/sdk/cosmos/azure-cosmos-spark_3-5_2-12/CHANGELOG.md
index a8f5c2fa21a5d..63dfa85dce7db 100644
--- a/sdk/cosmos/azure-cosmos-spark_3-5_2-12/CHANGELOG.md
+++ b/sdk/cosmos/azure-cosmos-spark_3-5_2-12/CHANGELOG.md
@@ -7,6 +7,7 @@
 #### Breaking Changes
 
 #### Bugs Fixed
+* Fixed an issue to avoid transient `IllegalArgumentException` due to duplicate json properties for the `uniqueKeyPolicy` property. - See [PR 41608](https://github.com/Azure/azure-sdk-for-java/pull/41608)
 
 #### Other Changes
 
diff --git a/sdk/cosmos/azure-cosmos/CHANGELOG.md b/sdk/cosmos/azure-cosmos/CHANGELOG.md
index 5c2b9237c9fad..9bf2cf919bcc4 100644
--- a/sdk/cosmos/azure-cosmos/CHANGELOG.md
+++ b/sdk/cosmos/azure-cosmos/CHANGELOG.md
@@ -10,6 +10,7 @@
 * Fixed a direct buffer memory leak due to not explicitly stopping the partition recovery flow in per-partition circuit breaker. - See [PR 41486](https://github.com/Azure/azure-sdk-for-java/pull/41486)
 
 #### Other Changes
+* Fixed an issue to avoid transient `IllegalArgumentException` due to duplicate json properties for the `uniqueKeyPolicy` property. - See [PR 41608](https://github.com/Azure/azure-sdk-for-java/pull/41608)
 
 ### 4.63.1 (2024-08-12)
 
diff --git a/sdk/cosmos/azure-cosmos/src/main/java/com/azure/cosmos/implementation/DocumentCollection.java b/sdk/cosmos/azure-cosmos/src/main/java/com/azure/cosmos/implementation/DocumentCollection.java
index 38e599a7e0b6a..0da3513cf0a15 100644
--- a/sdk/cosmos/azure-cosmos/src/main/java/com/azure/cosmos/implementation/DocumentCollection.java
+++ b/sdk/cosmos/azure-cosmos/src/main/java/com/azure/cosmos/implementation/DocumentCollection.java
@@ -78,7 +78,7 @@ public DocumentCollection setId(String id){
      * @param jsonString the json string that represents the document collection.
      */
     public DocumentCollection(String jsonString) {
-        super(jsonString);
+        super(jsonString, Utils.getSimpleObjectMapperWithAllowDuplicates());
     }
 
     /**