FANNG1 commented on code in PR #6432:
URL: https://github.com/apache/gravitino/pull/6432#discussion_r1970770397


##########
integration-test-common/src/test/java/org/apache/gravitino/integration/test/container/MySQLContainer.java:
##########
@@ -119,6 +119,14 @@ public void createDatabase(TestDatabaseName 
testDatabaseName) {
         StringUtils.substring(
             getJdbcUrl(testDatabaseName), 0, 
getJdbcUrl(testDatabaseName).lastIndexOf("/"));
 
+    // Fix https://github.com/apache/gravitino/issues/6392, MYSQL JDBC driver 
may not load
+    // automatically.
+    try {
+      Class.forName("com.mysql.jdbc.Driver");

Review Comment:
   Spark loades JDBC driver explictly in 
https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/DriverRegistry.scala?#L46-#L62,
 and there seems ok to use Spark SQL to query JDBC data, and I test in my local 
enviroment



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