Avoid DriverManager. Directly talk to Driver instances.

std-bits/base/src/main/java/org/enso/base/enso_cloud/EnsoSecretHelper.java

@@ -7,7 +7,7 @@
 import java.net.http.HttpRequest.Builder;
 import java.net.http.HttpResponse;
 import java.sql.Connection;
-import java.sql.DriverManager;
+import java.sql.Driver;
 import java.sql.SQLException;
 import java.util.List;
 import java.util.Properties;
@@ -20,13 +20,23 @@ public final class EnsoSecretHelper extends SecretValueResolver {
 
   /** Gets a JDBC connection resolving EnsoKeyValuePair into the properties. */
   public static Connection getJDBCConnection(
-      String url, List<Pair<String, HideableValue>> properties) throws SQLException {
+      Iterable<Driver> drivers, String url, List<Pair<String, HideableValue>> properties)
+      throws SQLException {
     var javaProperties = new Properties();
     for (var pair : properties) {
       javaProperties.setProperty(pair.getLeft(), resolveValue(pair.getRight()));
     }
 
-    return DriverManager.getConnection(url, javaProperties);
+    var err = new StringBuilder();
+    for (var driver : drivers) {
+      err.append("\nTrying ").append(driver.getClass().getName());
+      var c = driver.connect(url, javaProperties);
+      if (c != null) {
+        return c;
+      }
+    }
+    err.insert(0, "No handler to connect to " + url);
+    throw new SQLException(err.toString());
   }
 
   /**

std-bits/database/src/main/java/org/enso/database/JDBCProxy.java

@@ -1,16 +1,17 @@
 package org.enso.database;
 
 import java.sql.Connection;
-import java.sql.DriverManager;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.ServiceLoader;
+
 import org.enso.base.enso_cloud.EnsoSecretAccessDenied;
 import org.enso.base.enso_cloud.EnsoSecretHelper;
 import org.enso.base.enso_cloud.HideableValue;
+import org.enso.base.lookup.Lookup;
 import org.enso.database.audit.CloudAuditedConnection;
 import org.enso.database.audit.LocalAuditedConnection;
 import org.graalvm.collections.Pair;
@@ -31,7 +32,8 @@ public final class JDBCProxy {
    * @return an array of JDBC drivers that are currently registered
    */
   public static Object[] getDrivers() {
-    return DriverManager.drivers().toArray();
+    var drivers = Lookup.lookup((l) -> ServiceLoader.load(l, java.sql.Driver.class));
+    return drivers.stream().toArray();
   }
 
   /**
@@ -46,17 +48,11 @@ public static Object[] getDrivers() {
    */
   public static Connection getConnection(String url, List<Pair<String, HideableValue>> properties)
       throws SQLException {
-    // We need to manually register all the drivers because the DriverManager is not able
-    // to correctly use our class loader, it only delegates to the platform class loader when
-    // loading the java.sql.Driver service.
-    var sl = ServiceLoader.load(java.sql.Driver.class, JDBCProxy.class.getClassLoader());
-    for (var driver : sl) {
-      DriverManager.registerDriver(driver);
-    }
+    var drivers = Lookup.lookup((l) -> ServiceLoader.load(l, java.sql.Driver.class));
 
     PartitionedProperties partitionedProperties = PartitionedProperties.parse(properties);
     var rawConnection =
-        EnsoSecretHelper.getJDBCConnection(url, partitionedProperties.jdbcProperties);
+        EnsoSecretHelper.getJDBCConnection(drivers, url, partitionedProperties.jdbcProperties);
     return switch (partitionedProperties.audited()) {
       case "local" -> new LocalAuditedConnection(rawConnection);
       case "cloud" -> new CloudAuditedConnection(