fix: session concurrency issue (#784)

Author: sattvikc

CHANGELOG.md

@@ -7,6 +7,10 @@ to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [unreleased]
 
+## [4.6.1] - 2023-09-04
+
+- Fixes randomly occurring `serialization error for concurrent update` in `verifySession` API
+
 ## [4.6.0] - 2023-03-30
 
 - Add Optional Search Tags to Pagination API to enable dashboard search

build.gradle

@@ -19,7 +19,7 @@ compileTestJava { options.encoding = "UTF-8" }
 //    }
 //}
 
-version = "4.6.0"
+version = "4.6.1"
 
 
 repositories {

src/main/java/io/supertokens/session/Session.java

@@ -28,6 +28,7 @@
 import io.supertokens.pluginInterface.exceptions.StorageTransactionLogicException;
 import io.supertokens.pluginInterface.session.noSqlStorage.SessionNoSQLStorage_1;
 import io.supertokens.pluginInterface.session.sqlStorage.SessionSQLStorage;
+import io.supertokens.pluginInterface.sqlStorage.SQLStorage;
 import io.supertokens.session.accessToken.AccessToken;
 import io.supertokens.session.accessToken.AccessToken.AccessTokenInfo;
 import io.supertokens.session.info.SessionInfo;
@@ -227,7 +228,7 @@ public static SessionInformationHolder getSession(Main main, @Nonnull String tok
                             | InvalidKeyException | InvalidKeySpecException | SignatureException e) {
                         throw new StorageTransactionLogicException(e);
                     }
-                });
+                }, SQLStorage.TransactionIsolationLevel.REPEATABLE_READ);
             } catch (StorageTransactionLogicException e) {
                 if (e.actualException instanceof UnauthorisedException) {
                     throw (UnauthorisedException) e.actualException;