Remove request id in logging (#1027)

Author: dai-chen

legacy/src/main/java/com/amazon/opendistroforelasticsearch/sql/legacy/plugin/RestSQLQueryAction.java

@@ -18,47 +18,33 @@
 
 import static com.amazon.opendistroforelasticsearch.sql.executor.ExecutionEngine.QueryResponse;
 import static com.amazon.opendistroforelasticsearch.sql.protocol.response.format.JsonResponseFormatter.Style.PRETTY;
-import static org.elasticsearch.rest.RestStatus.BAD_REQUEST;
 import static org.elasticsearch.rest.RestStatus.INTERNAL_SERVER_ERROR;
 import static org.elasticsearch.rest.RestStatus.OK;
-import static org.elasticsearch.rest.RestStatus.SERVICE_UNAVAILABLE;
 
-
-import com.alibaba.druid.sql.parser.ParserException;
 import com.amazon.opendistroforelasticsearch.sql.common.antlr.SyntaxCheckException;
 import com.amazon.opendistroforelasticsearch.sql.common.response.ResponseListener;
 import com.amazon.opendistroforelasticsearch.sql.common.setting.Settings;
 import com.amazon.opendistroforelasticsearch.sql.elasticsearch.security.SecurityAccess;
-import com.amazon.opendistroforelasticsearch.sql.exception.QueryEngineException;
-import com.amazon.opendistroforelasticsearch.sql.exception.SemanticCheckException;
 import com.amazon.opendistroforelasticsearch.sql.executor.ExecutionEngine.ExplainResponse;
-import com.amazon.opendistroforelasticsearch.sql.legacy.antlr.SqlAnalysisException;
-import com.amazon.opendistroforelasticsearch.sql.legacy.exception.SQLFeatureDisabledException;
-import com.amazon.opendistroforelasticsearch.sql.legacy.exception.SqlParseException;
-import com.amazon.opendistroforelasticsearch.sql.legacy.executor.format.ErrorMessageFactory;
 import com.amazon.opendistroforelasticsearch.sql.legacy.metrics.MetricName;
 import com.amazon.opendistroforelasticsearch.sql.legacy.metrics.Metrics;
-import com.amazon.opendistroforelasticsearch.sql.legacy.rewriter.matchtoterm.VerificationException;
-import com.amazon.opendistroforelasticsearch.sql.legacy.utils.LogUtils;
 import com.amazon.opendistroforelasticsearch.sql.planner.physical.PhysicalPlan;
 import com.amazon.opendistroforelasticsearch.sql.protocol.response.QueryResult;
-import com.amazon.opendistroforelasticsearch.sql.protocol.response.format.JdbcResponseFormatter;
 import com.amazon.opendistroforelasticsearch.sql.protocol.response.format.CsvResponseFormatter;
 import com.amazon.opendistroforelasticsearch.sql.protocol.response.format.Format;
+import com.amazon.opendistroforelasticsearch.sql.protocol.response.format.JdbcResponseFormatter;
 import com.amazon.opendistroforelasticsearch.sql.protocol.response.format.JsonResponseFormatter;
 import com.amazon.opendistroforelasticsearch.sql.protocol.response.format.ResponseFormatter;
 import com.amazon.opendistroforelasticsearch.sql.sql.SQLService;
 import com.amazon.opendistroforelasticsearch.sql.sql.config.SQLServiceConfig;
 import com.amazon.opendistroforelasticsearch.sql.sql.domain.SQLQueryRequest;
 import java.io.IOException;
 import java.security.PrivilegedExceptionAction;
-import java.sql.SQLFeatureNotSupportedException;
 import java.util.List;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.elasticsearch.client.node.NodeClient;
 import org.elasticsearch.cluster.service.ClusterService;
-import org.elasticsearch.index.IndexNotFoundException;
 import org.elasticsearch.rest.BaseRestHandler;
 import org.elasticsearch.rest.BytesRestResponse;
 import org.elasticsearch.rest.RestChannel;
@@ -214,7 +200,7 @@ private void sendResponse(RestChannel channel, RestStatus status, String content
   }
 
   private static void logAndPublishMetrics(Exception e) {
-    LOG.error(LogUtils.getRequestId() + " Server side error during query execution", e);
+    LOG.error("Server side error during query execution", e);
     Metrics.getInstance().getNumericalMetric(MetricName.FAILED_REQ_COUNT_SYS).increment();
   }
 }