fix: optimizing ClassNotFoundException error message for MYSQL (apach…

…e#2246)
suesunss · Jul 17, 2023 · 23776a7 · 23776a7
1 parent 8ee3d32
commit 23776a7
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/hugegraph-core/src/main/java/org/apache/hugegraph/StandardHugeGraph.java b/hugegraph-core/src/main/java/org/apache/hugegraph/StandardHugeGraph.java
@@ -460,7 +460,7 @@ private SchemaTransaction openSchemaTransaction() throws HugeException {
         } catch (BackendException e) {
             String message = "Failed to open schema transaction";
             LOG.error("{}", message, e);
-            throw new HugeException(message);
+            throw new HugeException(message, e);
         }
     }
 

diff --git a/hugegraph-mysql/src/main/java/org/apache/hugegraph/backend/store/mysql/MysqlSessions.java b/hugegraph-mysql/src/main/java/org/apache/hugegraph/backend/store/mysql/MysqlSessions.java
@@ -283,7 +283,7 @@ private Connection connect(String url) throws SQLException {
             // Register JDBC driver
             Class.forName(driverName);
         } catch (ClassNotFoundException e) {
-            throw new BackendException("Invalid driver class '%s'",
+            throw new BackendException("Failed to register JDBC driver. Class '%s' not found. Please check if the MySQL driver package is available.",
                                        driverName);
         }
         return DriverManager.getConnection(url, username, password);