BaseClickHouseTest.java to log ClickHouse messages

gistfile1.txt

suztomo@suxtomo24:~/beam4$ git diff
diff --git a/sdks/java/io/clickhouse/src/test/java/org/apache/beam/sdk/io/clickhouse/BaseClickHouseTest.java b/sdks/java/io/clickhouse/src/test/java/org/apache/beam/sdk/io/clickhouse/BaseClickHouseTest.java
index 8c39688fb4..fdb3db337f 100644
--- a/sdks/java/io/clickhouse/src/test/java/org/apache/beam/sdk/io/clickhouse/BaseClickHouseTest.java
+++ b/sdks/java/io/clickhouse/src/test/java/org/apache/beam/sdk/io/clickhouse/BaseClickHouseTest.java
@@ -125,6 +125,12 @@ public class BaseClickHouseTest {
 
   @AfterClass
   public static void tearDown() {
+    System.out.println("ClickHouse log ---");
+    System.out.println(clickHouse.getLogs());
+    System.out.println("--- ClickHouse log");
+    clickHouse.copyFileFromContainer("/var/log/clickhouse-server/clickhouse-server.log", "/tmp/clickhouse-server.log");
+    clickHouse.copyFileFromContainer("/var/log/clickhouse-server/clickhouse-server.err.log", "/tmp/clickhouse-server.err.log");
+
     clickHouse.close();
     zookeeper.close();