gokceni commented on a change in pull request #550: PHOENIX-5348: Fix flaky 
test: testIndexRebuildTask
URL: https://github.com/apache/phoenix/pull/550#discussion_r307839572
 
 

 ##########
 File path: 
phoenix-core/src/it/java/org/apache/phoenix/end2end/IndexRebuildTaskIT.java
 ##########
 @@ -129,43 +128,48 @@ public void testIndexRebuildTask() throws Throwable {
             Task.addTask(conn.unwrap(PhoenixConnection.class), 
PTable.TaskType.INDEX_REBUILD,
                     TENANT1, null, viewName,
                     PTable.TaskStatus.CREATED.toString(), data, null, startTs, 
null, true);
-
-
             task.run();
+            waitForTaskState(conn, PTable.TaskType.INDEX_REBUILD, viewName, 
PTable.TaskStatus.COMPLETED);
 
             String viewIndexTableName = 
MetaDataUtil.getViewIndexPhysicalName(baseTable);
             ConnectionQueryServices queryServices = 
conn.unwrap(PhoenixConnection.class).getQueryServices();
             int count = 
getUtility().countRows(queryServices.getTable(Bytes.toBytes(viewIndexTableName)));
             assertTrue(count == numOfValues);
 
-
             // Remove index contents and try again
             Admin admin = queryServices.getAdmin();
             TableName tableName = TableName.valueOf(viewIndexTableName);
             admin.disableTable(tableName);
-            admin.truncateTable(tableName, false);
+            admin.truncateTable(tableName, true);
 
             data = "{IndexName:" + indexName + ", DisableBefore:true}";
 
-            // Add a new task (update status to created) to System.Task to 
rebuild indexes
+            // Add a new task to System.Task to rebuild indexes
+            conn.createStatement().execute("DELETE " + " FROM " + 
PhoenixDatabaseMetaData.SYSTEM_TASK_NAME
+                    + " WHERE TABLE_NAME ='" + viewName  + "'");
+            conn.commit();
 
 Review comment:
   Actually, we don't need to remove this. I realized that Lars changed 
connection settings to autocommit=false. When I commit after setting status to 
Created, I don't need to delete the task.

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