Starting up ee-6.2.x on MySQL 5.6 throws "create index IX_..." console errors

• Type: Regression Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: 6.2.X EE
• Fix Version/s: 6.2.X EE
• Component/s: Core Infrastructure, Environments, Environments > Databases
• Labels: None
• Fix Priority: 5
• Databases:
  MySQL 5.6

Steps to reproduce:

1. Startup ee-6.2.x tomcat (with MySQL 5.6)

Expected result:
No console errors will be thrown on startup.

Actual result:
The following is thrown on startup:

INFO: Deploying configuration descriptor L:\private\ee-6.2.x-bundles\tomcat-7.0.62\conf\Catalina\localhost\ROOT.xml
Oct 07, 2015 3:26:57 PM org.apache.catalina.startup.TldConfig execute
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
Loading jar:file:/L:/private/ee-6.2.x-bundles/tomcat-7.0.62/webapps/ROOT/WEB-INF/lib/portal-impl.jar!/system.properties
Loading jar:file:/L:/private/ee-6.2.x-bundles/tomcat-7.0.62/webapps/ROOT/WEB-INF/lib/portal-impl.jar!/portal.properties
Loading file:/L:/private/ee-6.2.x-bundles/tomcat-7.0.62/webapps/ROOT/WEB-INF/classes/portal-ext.properties
Oct 07, 2015 3:26:58 PM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
15:27:02,145 INFO  [localhost-startStop-1][DialectDetector:71] Determine dialect for MySQL 5
15:27:02,174 INFO  [localhost-startStop-1][DialectDetector:136] Found dialect org.hibernate.dialect.MySQLDialect
Starting Liferay Portal Community Edition 6.2.10 EE GA1 (Newton / Build 6210 / November 1, 2013)
15:27:21,042 INFO  [localhost-startStop-1][StartupAction:98] There are no patches installed
15:27:21,152 ERROR [localhost-startStop-1][JDBCExceptionReporter:82] Table 'lportal2.lock_' doesn't exist
15:27:21,157 WARN  [localhost-startStop-1][StartupAction:148] Unable to clear locks because Lock table does not exist
15:27:21,510 WARN  [localhost-startStop-1][ReleaseLocalServiceImpl:171] Table 'lportal2.release_' doesn't exist
15:27:21,532 INFO  [localhost-startStop-1][ReleaseLocalServiceImpl:84] Create tables and populate with default data
15:27:36,734 WARN  [localhost-startStop-1][BaseDB:457] Specified key was too long; max key length is 767 bytes: create index IX_7020130F on SCProductVersion (directDownloadURL);_ [Sanitized]
15:27:36,735 ERROR [localhost-startStop-1][BaseDB:464] create index IX_7020130F on SCProductVersion (directDownloadURL);
15:27:38,818 WARN  [localhost-startStop-1][BaseDB:457] Specified key was too long; max key length is 767 bytes: create index IX_89509087 on User_ (companyId, openId);_ [Sanitized]
15:27:38,819 ERROR [localhost-startStop-1][BaseDB:464] create index IX_89509087 on User_ (companyId, openId);
15:27:40,181 INFO  [localhost-startStop-1][BaseDB:484] Database does not support case sensitive queries
15:27:40,875 INFO  [localhost-startStop-1][VerifyProcess:65] Verifying com.liferay.portal.verify.VerifyProcessSuite
15:27:40,876 INFO  [localhost-startStop-1][VerifyProcess:65] Verifying com.liferay.portal.verify.VerifyProperties
15:27:40,896 INFO  [localhost-startStop-1][VerifyProcess:65] Verifying com.liferay.portal.verify.VerifyDB2
15:27:40,897 INFO  [localhost-startStop-1][VerifyProcess:65] Verifying com.liferay.portal.verify.VerifyMySQL
15:27:40,917 INFO  [localhost-startStop-1][VerifyProcess:65] Verifying com.liferay.portal.verify.VerifyOracle
15:27:40,918 INFO  [localhost-startStop-1][VerifyProcess:65] Verifying com.liferay.portal.verify.VerifySQLServer