AMBARI-11103. Ambari Upgrade from 2.0.0 to 2.1.0 fails due to StackEntity (dlysnichenko)

ambari-server/src/main/java/org/apache/ambari/server/upgrade/UpgradeCatalog200.java

@@ -201,6 +201,7 @@ public class UpgradeCatalog200 extends AbstractUpgradeCatalog {
     columns.add(new DBColumnInfo("upgrade_package", String.class,  255,   null, false));
     columns.add(new DBColumnInfo("repositories",    char[].class,  null,  null, false));
     dbAccessor.createTable("repo_version", columns, "repo_version_id");
+
     dbAccessor.executeQuery("INSERT INTO ambari_sequences(sequence_name, sequence_value) VALUES('repo_version_id_seq', 0)", false);
     dbAccessor.executeQuery("ALTER TABLE repo_version ADD CONSTRAINT UQ_repo_version_display_name UNIQUE (display_name)");
     dbAccessor.executeQuery("ALTER TABLE repo_version ADD CONSTRAINT UQ_repo_version_stack_version UNIQUE (stack, version)");

ambari-server/src/main/java/org/apache/ambari/server/upgrade/UpgradeCatalog210.java

@@ -160,8 +160,8 @@ public class UpgradeCatalog210 extends AbstractUpgradeCatalog {
     columns.add(new DBColumnInfo("action", String.class, 255, null, false));
     columns.add(new DBColumnInfo("cluster_name", String.class, 100, null, false));
     columns.add(new DBColumnInfo("bp_name", String.class, 100, null, false));
-    columns.add(new DBColumnInfo("cluster_properties", byte[].class, null, null, false));
-    columns.add(new DBColumnInfo("cluster_attributes", byte[].class, null, null, false));
+    columns.add(new DBColumnInfo("cluster_properties", char[].class, null, null, false));
+    columns.add(new DBColumnInfo("cluster_attributes", char[].class, null, null, false));
     columns.add(new DBColumnInfo("description", String.class, 1024, null, false));
 
     dbAccessor.createTable(TOPOLOGY_REQUEST_TABLE, columns, "id");
@@ -169,8 +169,8 @@ public class UpgradeCatalog210 extends AbstractUpgradeCatalog {
     columns.clear();
     columns.add(new DBColumnInfo("id", Long.class, null, null, false));
     columns.add(new DBColumnInfo("name", String.class, 255, null, false));
-    columns.add(new DBColumnInfo("group_properties", byte[].class, null, null, false));
-    columns.add(new DBColumnInfo("group_attributes", byte[].class, null, null, false));
+    columns.add(new DBColumnInfo("group_properties", char[].class, null, null, false));
+    columns.add(new DBColumnInfo("group_attributes", char[].class, null, null, false));
     columns.add(new DBColumnInfo("request_id", Long.class, null, null, false));
 
     dbAccessor.createTable(TOPOLOGY_HOST_GROUP_TABLE, columns, "id");
@@ -497,14 +497,14 @@ public class UpgradeCatalog210 extends AbstractUpgradeCatalog {
     columns.add(new DBColumnInfo("id", Long.class,    null,  null, false));
     columns.add(new DBColumnInfo("widget_name", String.class,  255,   null, false));
     columns.add(new DBColumnInfo("widget_type", String.class,  255,   null, false));
-    columns.add(new DBColumnInfo("metrics", byte[].class,  null,   null, true));
+    columns.add(new DBColumnInfo("metrics", char[].class, null, null, true));
     columns.add(new DBColumnInfo("time_created", Long.class,  null,   null, false));
     columns.add(new DBColumnInfo("author", String.class,  255,   null, true));
     columns.add(new DBColumnInfo("description", String.class,  255,   null, true));
     columns.add(new DBColumnInfo("default_section_name", String.class,  255,   null, true));
     columns.add(new DBColumnInfo("scope", String.class,  255,   null, true));
-    columns.add(new DBColumnInfo("widget_values", byte[].class,  null,   null, true));
-    columns.add(new DBColumnInfo("properties", byte[].class, null, null, true));
+    columns.add(new DBColumnInfo("widget_values", char[].class, null, null, true));
+    columns.add(new DBColumnInfo("properties", char[].class, null, null, true));
     columns.add(new DBColumnInfo("cluster_id", Long.class,  null,   null, false));
     dbAccessor.createTable(WIDGET_TABLE, columns, "id");