Update release doc for v1.6.0.0 and fix issue in IT test with externa…

…l cluster (#393)

* fix failure in IT test with external cluster
* update release doc

opendistro-elasticsearch-sql.release-notes.md

@@ -1,11 +1,12 @@
-## 2020-03-17 Version 1.6.0.0 (Current)
+## 2020-03-24 Version 1.6.0.0 (Current)
 
 ### Features
 #### Elasticsearch Compatibility
 * Feature [#376](https://github.com/opendistro-for-elasticsearch/sql/issues/376): Elasticsearch 7.6.1 compatibility
 
 #### Testing
 * Feature [#374](https://github.com/opendistro-for-elasticsearch/sql/pull/374): Integration test with external ES cluster (issue: [353](https://github.com/opendistro-for-elasticsearch/sql/issues/353))
+* Feature [#384](https://github.com/opendistro-for-elasticsearch/sql/pull/384): CI/CD using github Actions workflow
 
 #### Documentation
 * Feature [#366](https://github.com/opendistro-for-elasticsearch/sql/pull/366): Documentation for simple query (issue: [#363](https://github.com/opendistro-for-elasticsearch/sql/issues/363)) 
@@ -20,8 +21,10 @@
 * Enhancement [#372](https://github.com/opendistro-for-elasticsearch/sql/pull/372): Modified the wording of exception messages and created the troubleshooting page(issue: [#320](https://github.com/opendistro-for-elasticsearch/sql/issues/320))
 
 ### Bugfixes
+* Bugfix [#310](https://github.com/opendistro-for-elasticsearch/sql/pull/310): Add DATETIME cast support (issue: [#268](https://github.com/opendistro-for-elasticsearch/sql/issues/268))
 * BugFix [#365](https://github.com/opendistro-for-elasticsearch/sql/pull/365): Return Correct Type Information for Fields (issue: [#316](https://github.com/opendistro-for-elasticsearch/sql/issues/316))
 * BugFix [#377](https://github.com/opendistro-for-elasticsearch/sql/pull/377): Return object type for field which has implicit object datatype when describe the table (issue:[sql-jdbc#57](https://github.com/opendistro-for-elasticsearch/sql-jdbc/issues/57))
+* BugFix [#381](https://github.com/opendistro-for-elasticsearch/sql/pull/381): FIX field function name letter case preserved in select with group by (issue: [#373](https://github.com/opendistro-for-elasticsearch/sql/issues/373))
 
 ## 2020-01-24, Version 1.4.0
 

src/test/java/com/amazon/opendistroforelasticsearch/sql/esintgtest/SQLIntegTestCase.java

@@ -15,6 +15,7 @@
 
 package com.amazon.opendistroforelasticsearch.sql.esintgtest;
 
+import com.google.common.base.Strings;
 import org.elasticsearch.client.Request;
 import org.elasticsearch.client.RequestOptions;
 import org.elasticsearch.client.Response;
@@ -26,7 +27,6 @@
 import org.junit.Before;
 
 import javax.management.MBeanServerInvocationHandler;
-import javax.management.MalformedObjectNameException;
 import javax.management.ObjectName;
 import javax.management.remote.JMXConnector;
 import javax.management.remote.JMXConnectorFactory;
@@ -107,23 +107,25 @@ public interface IProxy {
     }
 
     @AfterClass
-    public static void dumpCoverage() throws IOException, MalformedObjectNameException {
+    public static void dumpCoverage() {
         // jacoco.dir is set in sqlplugin-coverage.gradle, if it doesn't exist we don't
         // want to collect coverage so we can return early
         String jacocoBuildPath = System.getProperty("jacoco.dir");
-        if (jacocoBuildPath.isEmpty()) {
+        if (Strings.isNullOrEmpty(jacocoBuildPath)) {
             return;
         }
 
         String serverUrl = "service:jmx:rmi:///jndi/rmi://127.0.0.1:7777/jmxrmi";
-        JMXConnector connector = JMXConnectorFactory.connect(new JMXServiceURL(serverUrl));
-        IProxy proxy = MBeanServerInvocationHandler.newProxyInstance(
-                connector.getMBeanServerConnection(), new ObjectName("org.jacoco:type=Runtime"), IProxy.class,
-                false);
-
-        Path path = Paths.get(jacocoBuildPath + "/integTest.exec");
-        Files.write(path, proxy.getExecutionData(false));
-        connector.close();
+        try(JMXConnector connector = JMXConnectorFactory.connect(new JMXServiceURL(serverUrl))) {
+            IProxy proxy = MBeanServerInvocationHandler.newProxyInstance(
+                    connector.getMBeanServerConnection(), new ObjectName("org.jacoco:type=Runtime"), IProxy.class,
+                    false);
+
+            Path path = Paths.get(jacocoBuildPath + "/integTest.exec");
+            Files.write(path, proxy.getExecutionData(false));
+        } catch (Exception ex) {
+            throw new RuntimeException("Failed to dump coverage", ex);
+        }
     }
 
     /**