SONAR-12246 remove mysql specific error message

server/sonar-db-core/src/main/java/org/sonar/db/DefaultDatabase.java

@@ -33,7 +33,6 @@ import org.apache.commons.dbcp2.BasicDataSourceFactory;
 import org.apache.commons.dbutils.DbUtils;
 import org.apache.commons.lang.StringUtils;
 import org.sonar.api.config.Settings;
-import org.sonar.api.utils.MessageException;
 import org.sonar.api.utils.log.Logger;
 import org.sonar.api.utils.log.Loggers;
 import org.sonar.db.dialect.Dialect;
@@ -97,23 +96,10 @@ public class DefaultDatabase implements Database {
     doCompleteProperties(properties);
 
     String jdbcUrl = properties.getProperty(JDBC_URL.getKey());
-    failIfMySql(jdbcUrl);
     dialect = DialectUtils.find(properties.getProperty(SONAR_JDBC_DIALECT), jdbcUrl);
     properties.setProperty(SONAR_JDBC_DRIVER, dialect.getDefaultDriverClassName());
   }
 
-  private static void failIfMySql(String jdbcUrl) {
-    if (StringUtils.startsWithIgnoreCase(jdbcUrl, "jdbc:mysql")) {
-      throw MessageException.of("\n" +
-        "#############################################################################################################\n" +
-        "#         End of Life of MySQL Support : SonarQube 7.9 and future versions do not support MySQL.            #\n" +
-        "#         Please migrate to a supported database. Get more details at                                       #\n" +
-        "#         https://community.sonarsource.com/t/end-of-life-of-mysql-support                                  #\n" +
-        "#         and https://github.com/SonarSource/mysql-migrator                                                 #\n" +
-        "#############################################################################################################\n");
-    }
-  }
-
   private void initDataSource() throws Exception {
     // but it's correctly caught by start()
     LOG.info("Create JDBC data source for {}", properties.getProperty(JDBC_URL.getKey()), DEFAULT_URL);

server/sonar-db-core/src/test/java/org/sonar/db/DefaultDatabaseTest.java

@@ -29,7 +29,6 @@ import org.junit.Test;
 import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.sonar.api.config.internal.MapSettings;
-import org.sonar.api.utils.MessageException;
 import org.sonar.db.dialect.PostgreSql;
 import org.sonar.process.logging.LogbackHelper;
 
@@ -155,18 +154,6 @@ public class DefaultDatabaseTest {
     assertThat(database.getProperties().getProperty("sonar.jdbc.driverClassName")).isEqualTo("org.postgresql.Driver");
   }
 
-  @Test
-  public void fail_when_mysql_is_used() {
-    MapSettings settings = new MapSettings();
-    settings.setProperty("sonar.jdbc.url", "jdbc:mysql://localhost/sonar");
-
-    DefaultDatabase database = new DefaultDatabase(logbackHelper, settings);
-
-    expectedException.expect(MessageException.class);
-    expectedException.expectMessage("End of Life of MySQL Support");
-    database.start();
-  }
-
   @DataProvider
   public static Object[][] sonarJdbcAndDbcpProperties() {
     return new Object[][] {