Milamber created CLOUDSTACK-5214:
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             Summary: Potential bug with CS 4.1.1 to 4.2.1 db upgrade
                 Key: CLOUDSTACK-5214
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5214
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Management Server, Upgrade
    Affects Versions: 4.1.1
         Environment: CloudStack 4.1.1 to 4.2.1, CentOS 6.4 KVM
            Reporter: Milamber
            Priority: Blocker
             Fix For: Future


Hello,

Yesterday, I've upgrade a CloudStack 4.1.1 installation to CloudStack 4.2.1, 
I've received this error when I started the management service the first time 
after upgrade (below).

To fix it, I've change this line in schema-410to420.sql
CREATE TABLE `cloud`.`vm_snapshots` (
to
CREATE TABLE IF NOT EXISTS `cloud`.`vm_snapshots` (


And I restore the cloud db backup from the mysql dump execute just before 
upgrade, and (re-)start the management service.
All is good after.


=========
2013-11-20 00:12:31,057 INFO  [utils.component.ComponentContext] (Timer-1:null) 
Running SystemIntegrityChecker managementServerNode
2013-11-20 00:12:31,057 INFO  [utils.component.ComponentContext] (Timer-1:null) 
Running SystemIntegrityChecker databaseUpgradeChecker
2013-11-20 00:12:31,057 INFO  [cloud.upgrade.DatabaseUpgradeChecker] 
(Timer-1:null) Grabbing lock to check for database upgrade.
2013-11-20 00:12:31,059 DEBUG [upgrade.dao.VersionDaoImpl] (Timer-1:null) 
Checking to see if the database is at a version before it was the version table 
is created
2013-11-20 00:12:31,063 INFO  [cloud.upgrade.DatabaseUpgradeChecker] 
(Timer-1:null) DB version = 4.1.1 Code Version = 4.2.1-SNAPSHOT
2013-11-20 00:12:31,063 INFO  [cloud.upgrade.DatabaseUpgradeChecker] 
(Timer-1:null) Database upgrade must be performed from 4.1.1 to 4.2.1-SNAPSHOT
2013-11-20 00:12:31,064 DEBUG [cloud.upgrade.DatabaseUpgradeChecker] 
(Timer-1:null) Running upgrade Upgrade410to420 to upgrade from 4.1.0-4.1.1 to 
4.2.0
2013-11-20 00:12:31,069 DEBUG [utils.script.Script] (Timer-1:null) Looking for 
db/schema-410to420.sql in the classpath
2013-11-20 00:12:31,069 DEBUG [utils.script.Script] (Timer-1:null) System 
resource: file:/usr/share/cloudstack-management/setup/db/schema-410to420.sql
2013-11-20 00:12:31,069 DEBUG [utils.script.Script] (Timer-1:null) Absolute 
path =  /usr/share/cloudstack-management/setup/db/schema-410to420.sql
[....]
2013-11-20 00:12:32,546 ERROR [utils.db.ScriptRunner] (Timer-1:null) Error 
executing: CREATE TABLE `cloud`.`vm_snapshots` (   `id` bigint(20) unsigned NOT 
NULL auto_increment COMMENT 'Primary Key',   `uuid` varchar(40) NOT NULL,   
`name` varchar(255) NOT NULL,   `display_name` varchar(255) default NULL,   
`description` varchar(255) default NULL,   `vm_id` bigint(20) unsigned NOT 
NULL,   `account_id` bigint(20) unsigned NOT NULL,   `domain_id` bigint(20) 
unsigned NOT NULL,   `vm_snapshot_type` varchar(32) default NULL,   `state` 
varchar(32) NOT NULL,   `parent` bigint unsigned default NULL,   `current` 
int(1) unsigned default NULL,   `update_count` bigint unsigned NOT NULL DEFAULT 
0,   `updated` datetime default NULL,   `created` datetime default NULL,   
`removed` datetime default NULL,   PRIMARY KEY  (`id`),   CONSTRAINT UNIQUE KEY 
`uc_vm_snapshots_uuid` (`uuid`),   INDEX `vm_snapshots_name` (`name`),   INDEX 
`vm_snapshots_vm_id` (`vm_id`),   INDEX `vm_snapshots_account_id` 
(`account_id`),   INDEX `vm_snapshots_display_name` (`display_name`),   INDEX 
`vm_snapshots_removed` (`removed`),   INDEX `vm_snapshots_parent` (`parent`),   
CONSTRAINT `fk_vm_snapshots_vm_id__vm_instance_id` FOREIGN KEY 
`fk_vm_snapshots_vm_id__vm_instance_id` (`vm_id`) REFERENCES `vm_instance` 
(`id`),   CONSTRAINT `fk_vm_snapshots_account_id__account_id` FOREIGN KEY 
`fk_vm_snapshots_account_id__account_id` (`account_id`) REFERENCES `account` 
(`id`),   CONSTRAINT `fk_vm_snapshots_domain_id__domain_id` FOREIGN KEY 
`fk_vm_snapshots_domain_id__domain_id` (`domain_id`) REFERENCES `domain` (`id`) 
) ENGINE=InnoDB DEFAULT CHARSET=utf8
2013-11-20 00:12:32,546 ERROR [utils.db.ScriptRunner] (Timer-1:null) 
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Table 'vm_snapshots' 
already exists
2013-11-20 00:12:32,549 ERROR [cloud.upgrade.DatabaseUpgradeChecker] 
(Timer-1:null) Unable to execute upgrade script: 
/usr/share/cloudstack-management/setup/db/schema-410to420.sql
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Table 'vm_snapshots' 
already exists
    at com.cloud.utils.db.ScriptRunner.runScript(ScriptRunner.java:193)
    at com.cloud.utils.db.ScriptRunner.runScript(ScriptRunner.java:87)
    at 
com.cloud.upgrade.DatabaseUpgradeChecker.runScript(DatabaseUpgradeChecker.java:204)
    at 
com.cloud.upgrade.DatabaseUpgradeChecker.upgrade(DatabaseUpgradeChecker.java:265)
    at 
com.cloud.upgrade.DatabaseUpgradeChecker.check(DatabaseUpgradeChecker.java:394)
    at 
com.cloud.utils.component.ComponentContext.initComponentsLifeCycle(ComponentContext.java:90)
    at com.cloud.servlet.CloudStartupServlet$1.run(CloudStartupServlet.java:54)
    at java.util.TimerThread.mainLoop(Timer.java:534)
    at java.util.TimerThread.run(Timer.java:484)
2013-11-20 00:12:32,552 ERROR [cloud.upgrade.DatabaseUpgradeChecker] 
(Timer-1:null) Unable to upgrade the database
com.cloud.utils.exception.CloudRuntimeException: Unable to execute upgrade 
script: /usr/share/cloudstack-management/setup/db/schema-410to420.sql
    at 
com.cloud.upgrade.DatabaseUpgradeChecker.runScript(DatabaseUpgradeChecker.java:213)
    at 
com.cloud.upgrade.DatabaseUpgradeChecker.upgrade(DatabaseUpgradeChecker.java:265)
    at 
com.cloud.upgrade.DatabaseUpgradeChecker.check(DatabaseUpgradeChecker.java:394)
    at 
com.cloud.utils.component.ComponentContext.initComponentsLifeCycle(ComponentContext.java:90)
    at com.cloud.servlet.CloudStartupServlet$1.run(CloudStartupServlet.java:54)
    at java.util.TimerThread.mainLoop(Timer.java:534)
    at java.util.TimerThread.run(Timer.java:484)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Table 
'vm_snapshots' already exists
    at com.cloud.utils.db.ScriptRunner.runScript(ScriptRunner.java:193)
    at com.cloud.utils.db.ScriptRunner.runScript(ScriptRunner.java:87)
    at 
com.cloud.upgrade.DatabaseUpgradeChecker.runScript(DatabaseUpgradeChecker.java:204)
    ... 6 more
2013-11-20 00:12:32,556 ERROR [utils.component.ComponentContext] (Timer-1:null) 
System integrity check failed. Refuse to startup
com.cloud.utils.exception.CloudRuntimeException: Unable to upgrade the database
    at 
com.cloud.upgrade.DatabaseUpgradeChecker.upgrade(DatabaseUpgradeChecker.java:296)
    at 
com.cloud.upgrade.DatabaseUpgradeChecker.check(DatabaseUpgradeChecker.java:394)
    at 
com.cloud.utils.component.ComponentContext.initComponentsLifeCycle(ComponentContext.java:90)
    at com.cloud.servlet.CloudStartupServlet$1.run(CloudStartupServlet.java:54)
    at java.util.TimerThread.mainLoop(Timer.java:534)
    at java.util.TimerThread.run(Timer.java:484)
Caused by: com.cloud.utils.exception.CloudRuntimeException: Unable to execute 
upgrade script: /usr/share/cloudstack-management/setup/db/schema-410to420.sql
    at 
com.cloud.upgrade.DatabaseUpgradeChecker.runScript(DatabaseUpgradeChecker.java:213)
    at 
com.cloud.upgrade.DatabaseUpgradeChecker.upgrade(DatabaseUpgradeChecker.java:265)
    ... 5 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Table 
'vm_snapshots' already exists
    at com.cloud.utils.db.ScriptRunner.runScript(ScriptRunner.java:193)
    at com.cloud.utils.db.ScriptRunner.runScript(ScriptRunner.java:87)
    at 
com.cloud.upgrade.DatabaseUpgradeChecker.runScript(DatabaseUpgradeChecker.java:204)
    ... 6 more





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