Fix concurrency issue

NOTICE

@@ -67,5 +67,4 @@ This project includes:
   vertx-web under The Apache Software License, Version 2.0 or Eclipse Public License - v 2.0
   vertx-web-client under The Apache Software License, Version 2.0 or Eclipse Public License - v 1.0
   vertx-web-common under The Apache Software License, Version 2.0 or Eclipse Public License - v 1.0
-  Visible Assertions under MIT
 

README.md

@@ -264,7 +264,7 @@ Assuming you started a test environment using docker-compose, please refer to ex
                 "drivers/mariadb",
                 "D:\\drivers\\mariadb",
                 "/mnt/d/drivers/mariadb",
-                "https://repo1.maven.org/maven2/org/mariadb/jdbc/mariadb-java-client/2.7.2/mariadb-java-client-2.7.2.jar"
+                "https://repo1.maven.org/maven2/org/mariadb/jdbc/mariadb-java-client/2.7.4/mariadb-java-client-2.7.4.jar"
             ],
             "driverClassName": "org.mariadb.jdbc.Driver",
             ...

all-in-one.Dockerfile

@@ -58,15 +58,15 @@ RUN apt-get update \
 	&& apt-get clean \
 	&& rm -rf /*.deb /var/lib/apt/lists/* /tmp/* /var/tmp/* \
 	&& wget -q -P /etc/clickhouse-jdbc-bridge/drivers/clickhouse \
-		https://repo1.maven.org/maven2/ru/yandex/clickhouse/clickhouse-jdbc/0.2.5/clickhouse-jdbc-0.2.5-shaded.jar \
+		https://repo1.maven.org/maven2/ru/yandex/clickhouse/clickhouse-jdbc/0.3.1-patch/clickhouse-jdbc-0.3.1-patch-shaded.jar \
 	&& wget -q -P /etc/clickhouse-jdbc-bridge/drivers/mariadb \
-		https://repo1.maven.org/maven2/org/mariadb/jdbc/mariadb-java-client/2.7.2/mariadb-java-client-2.7.2.jar \
+		https://repo1.maven.org/maven2/org/mariadb/jdbc/mariadb-java-client/2.7.4/mariadb-java-client-2.7.4.jar \
 	&& wget -q -P /etc/clickhouse-jdbc-bridge/drivers/mysql5 \
 		https://repo1.maven.org/maven2/mysql/mysql-connector-java/5.1.49/mysql-connector-java-5.1.49.jar \
 	&& wget -q -P /etc/clickhouse-jdbc-bridge/drivers/mysql8 \
-		https://repo1.maven.org/maven2/mysql/mysql-connector-java/8.0.23/mysql-connector-java-8.0.23.jar \
+		https://repo1.maven.org/maven2/mysql/mysql-connector-java/8.0.26/mysql-connector-java-8.0.26.jar \
 	&& wget -q -P /etc/clickhouse-jdbc-bridge/drivers/postgres \
-		https://repo1.maven.org/maven2/org/postgresql/postgresql/42.2.18/postgresql-42.2.18.jar \
+		https://repo1.maven.org/maven2/org/postgresql/postgresql/42.2.23/postgresql-42.2.23.jar \
 	&& sed -i -e 's|\(^[[:space:]]*\)\(exec.*clickhouse-server.*$\)|\1exec -c clickhouse-jdbc-bridge >/dev/null \&\n\1\2|' /entrypoint.sh \
 	&& echo '{\n\
   "$schema": "../datasource-schema.json",\n\

docker/README.md

@@ -12,13 +12,13 @@ The latest tag points to the latest release from `master` branch. Branch tags li
 ```bash
 docker run -d --name ch-jdbc-bridge -p9019:9019 \
     -e MAVEN_REPO_URL="https://repo1.maven.org/maven2" \
-    -e JDBC_DRIVERS="org/mariadb/jdbc/mariadb-java-client/2.7.2/mariadb-java-client-2.7.2.jar,org/postgresql/postgresql/42.2.18/postgresql-42.2.18.jar" yandex/clickhouse-jdbc-bridge
+    -e JDBC_DRIVERS="org/mariadb/jdbc/mariadb-java-client/2.7.4/mariadb-java-client-2.7.4.jar,org/postgresql/postgresql/42.2.23/postgresql-42.2.23.jar" yandex/clickhouse-jdbc-bridge
 ```
 If you prefer to use JDBC drivers and named datasources on host, you can use the following commands:
 ```bash
 wget -P drivers \
-    https://repo1.maven.org/maven2/org/mariadb/jdbc/mariadb-java-client/2.7.2/mariadb-java-client-2.7.2.jar \
-    https://repo1.maven.org/maven2/org/postgresql/postgresql/42.2.18/postgresql-42.2.18.jar
+    https://repo1.maven.org/maven2/org/mariadb/jdbc/mariadb-java-client/2.7.4/mariadb-java-client-2.7.4.jar \
+    https://repo1.maven.org/maven2/org/postgresql/postgresql/42.2.23/postgresql-42.2.23.jar
 wget -P datasources \
     https://raw.githubusercontent.com/ClickHouse/clickhouse-jdbc-bridge/master/misc/quick-start/jdbc-bridge/config/datasources/mariadb10.json \
     https://raw.githubusercontent.com/ClickHouse/clickhouse-jdbc-bridge/master/misc/quick-start/jdbc-bridge/config/datasources/postgres13.json
@@ -75,6 +75,7 @@ In order to customize the container, please refer to directory structure and sup
 Environment Variable | Java System Property | Default Value | Remark
 -- | -- | -- | --
 CONFIG_DIR | jdbc-bridge.config.dir | config | Configuration   directory
+SERIAL_MODE | jdbc-bridge.serial.mode | false | Whether run query in serial mode or not
 CUSTOM_DRIVER_LOADER | jdbc-bridge.driver.loader | true | Whether use custom driver class loader   or not
 DATASOURCE_CONFIG_DIR | jdbc-bridge.datasource.config.dir | datasources | Directory   for named datasources
 DEFAULT_VALUE | jdbc-bridge.type.default | false | Whether support default expression in   column definition or not

misc/perf-test/jdbc-bridge/config/datasources/mariadb.json

@@ -2,7 +2,7 @@
   "$schema": "../../../../../docker/config/datasource.jschema",
   "mariadb": {
     "driverUrls": [
-      "https://repo1.maven.org/maven2/org/mariadb/jdbc/mariadb-java-client/2.7.2/mariadb-java-client-2.7.2.jar"
+      "https://repo1.maven.org/maven2/org/mariadb/jdbc/mariadb-java-client/2.7.4/mariadb-java-client-2.7.4.jar"
     ],
     "driverClassName": "org.mariadb.jdbc.Driver",
     "jdbcUrl": "jdbc:mariadb://mariadb:3306/test?useSSL=false&useCompression=false&rewriteBatchedStatements=true",

misc/quick-start/docker-compose.yml

@@ -69,6 +69,7 @@ services:
     # Below are all default settings just for demonstration
     environment:
       CONFIG_DIR: config # configuration directory
+      SERIAL_MODE: "false" # whether run query in serial mode or not
       HTTPD_CONFIG_FILE: httpd.json # httpd configuration file
       SERVER_CONFIG_FILE: server.json # server configuration file
       VERTX_CONFIG_FILE: vertx.json # vertx configuration file

misc/quick-start/jdbc-bridge/config/datasources/ch-server.json

@@ -3,7 +3,7 @@
   "ch-server": {
     "aliases": ["self"],
     "driverUrls": [
-      "https://repo1.maven.org/maven2/ru/yandex/clickhouse/clickhouse-jdbc/0.2.5/clickhouse-jdbc-0.2.5-shaded.jar"
+      "https://repo1.maven.org/maven2/ru/yandex/clickhouse/clickhouse-jdbc/0.3.1-patch/clickhouse-jdbc-0.3.1-patch-shaded.jar"
     ],
     "driverClassName": "ru.yandex.clickhouse.ClickHouseDriver",
     "jdbcUrl": "jdbc:clickhouse://ch-server:8123/system",

misc/quick-start/jdbc-bridge/config/datasources/elasticsearch.json

@@ -2,7 +2,7 @@
   "$schema": "../../../../../docker/config/datasource.jschema",
   "elasticsearch": {
     "driverUrls": [
-      "https://repo1.maven.org/maven2/com/amazon/opendistroforelasticsearch/client/opendistro-sql-jdbc/1.12.0.0/opendistro-sql-jdbc-1.12.0.0.jar"
+      "https://repo1.maven.org/maven2/com/amazon/opendistroforelasticsearch/client/opendistro-sql-jdbc/1.13.0.0/opendistro-sql-jdbc-1.13.0.0.jar"
     ],
     "readOnly": true,
     "connectionTestQuery": "",

misc/quick-start/jdbc-bridge/config/datasources/mariadb10.json

@@ -2,7 +2,7 @@
   "$schema": "../../../../../docker/config/datasource.jschema",
   "mariadb10": {
     "driverUrls": [
-      "https://repo1.maven.org/maven2/org/mariadb/jdbc/mariadb-java-client/2.7.2/mariadb-java-client-2.7.2.jar"
+      "https://repo1.maven.org/maven2/org/mariadb/jdbc/mariadb-java-client/2.7.4/mariadb-java-client-2.7.4.jar"
     ],
     "driverClassName": "org.mariadb.jdbc.Driver",
     "jdbcUrl": "jdbc:mariadb://db-mariadb10/test?useSSL=false&useCompression=false&useOldAliasMetadataBehavior=true&allowMultiQueries=true",

misc/quick-start/jdbc-bridge/config/datasources/mysql8.json

@@ -2,7 +2,7 @@
   "$schema": "../../../../../docker/config/datasource.jschema",
   "mysql8": {
     "driverUrls": [
-      "https://repo1.maven.org/maven2/mysql/mysql-connector-java/8.0.23/mysql-connector-java-8.0.23.jar"
+      "https://repo1.maven.org/maven2/mysql/mysql-connector-java/8.0.26/mysql-connector-java-8.0.26.jar"
     ],
     "driverClassName": "com.mysql.cj.jdbc.Driver",
     "jdbcUrl": "jdbc:mysql://db-mysql8/test?allowPublicKeyRetrieval=true&useSSL=false&useCompression=false&useOldAliasMetadataBehavior=true&allowMultiQueries=true",

misc/quick-start/jdbc-bridge/config/datasources/postgres13.json

@@ -5,7 +5,7 @@
       "mappings": [{ "nativeType": "bool", "toType": "String" }]
     },
     "driverUrls": [
-      "https://repo1.maven.org/maven2/org/postgresql/postgresql/42.2.18/postgresql-42.2.18.jar"
+      "https://repo1.maven.org/maven2/org/postgresql/postgresql/42.2.23/postgresql-42.2.23.jar"
     ],
     "driverClassName": "org.postgresql.Driver",
     "jdbcUrl": "jdbc:postgresql://db-postgres13/test",

pom.xml

@@ -5,23 +5,23 @@
     <groupId>ru.yandex.clickhouse</groupId>
     <artifactId>clickhouse-jdbc-bridge</artifactId>
     <packaging>jar</packaging>
-    <version>2.0.3-SNAPSHOT</version>
+    <version>2.0.4-SNAPSHOT</version>
     <name>ClickHouse JDBC Bridge</name>
     <url>https://github.com/ClickHouse/clickhouse-jdbc-bridge</url>
     <description>JDBC bridge for ClickHouse.</description>
     <inceptionYear>2019</inceptionYear>
 
     <properties>
-        <caffeine.version>2.8.6</caffeine.version>
-        <dnsjava.version>3.3.1</dnsjava.version>
-        <vertx.version>3.9.5</vertx.version>
+        <caffeine.version>2.9.2</caffeine.version>
+        <dnsjava.version>3.4.1</dnsjava.version>
+        <vertx.version>3.9.8</vertx.version>
         <micrometer.version>1.1.19</micrometer.version>
-        <slf4j.version>1.7.30</slf4j.version>
+        <slf4j.version>1.7.32</slf4j.version>
         <hikaricp.version>3.4.5</hikaricp.version>
         <project.current.year>2021</project.current.year>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.8</java.version>
-        <testcontainers.version>1.15.1</testcontainers.version>
+        <testcontainers.version>1.16.0</testcontainers.version>
         <testng.version>6.14.3</testng.version>
         <main.basedir>${project.basedir}</main.basedir>
         <deploy-plugin.version>3.0.0-M1</deploy-plugin.version>

src/main/java/ru/yandex/clickhouse/jdbcbridge/JdbcBridgeVerticle.java

@@ -83,6 +83,8 @@ public class JdbcBridgeVerticle extends AbstractVerticle implements ExtensionMan
     private static volatile long startTime;
 
     private static final String CONFIG_PATH = Utils.getConfiguration("config", "CONFIG_DIR", "jdbc-bridge.config.dir");
+    private static final boolean SERIAL_MODE = Boolean
+            .valueOf(Utils.getConfiguration("false", "SERIAL_MODE", "jdbc-bridge.serial.mode"));
 
     private static final int DEFAULT_SERVER_PORT = 9019;
 
@@ -264,10 +266,10 @@ private void startServer(JsonObject bridgeServerConfig, JsonObject httpServerCon
                 .handler(this::handleIdentifierQuote);
         router.post("/columns_info").produces(RESPONSE_CONTENT_TYPE).handler(queryTimeoutHandler)
                 .handler(this::handleColumnsInfo);
-        router.post("/").produces(RESPONSE_CONTENT_TYPE).handler(queryTimeoutHandler)
-                .blockingHandler(this::handleQuery);
+        router.post("/").produces(RESPONSE_CONTENT_TYPE).handler(queryTimeoutHandler).blockingHandler(this::handleQuery,
+                SERIAL_MODE);
         router.post("/write").produces(RESPONSE_CONTENT_TYPE).handler(queryTimeoutHandler)
-                .blockingHandler(this::handleWrite);
+                .blockingHandler(this::handleWrite, SERIAL_MODE);
 
         log.info("Starting web server...");
         int port = bridgeServerConfig.getInteger("serverPort", DEFAULT_SERVER_PORT);

src/main/java/ru/yandex/clickhouse/jdbcbridge/impl/JdbcDataSource.java

@@ -463,14 +463,14 @@ protected final Connection getConnection() throws SQLException {
 
             try {
                 conn.setAutoCommit(true);
-            } catch (Exception e) {
+            } catch (Throwable e) {
                 log.warn("Failed to enable auto-commit due to {}", e.getMessage());
             }
         }
 
         try {
             conn.setClientInfo(PROP_CLIENT_NAME, DEFAULT_CLIENT_NAME);
-        } catch (Exception e) {
+        } catch (Throwable e) {
             log.warn("Failed call setClientInfo due to {}", e.getMessage());
         }