I work with jbpm 5.3 . i run ant start.demo.db and  get below error. Can anyone show me how to fix it? Thanks

D:\OpenSource\BPM\jbpm-installer>ant start.demo.db

Buildfile: D:\OpenSource\BPM\jbpm-installer\build.xml

check.jboss.version:

download.db.driver.check:

     [echo] Checking if db driver jar has been downloaded ...

download.mysql.driver:

install.db.files:

start.jboss:

check.jboss.version:

start.jboss5:

check.jboss.version:

start.jboss7:

start.human.task:

    [javac] D:\OpenSource\BPM\jbpm-installer\build.xml:844: warning: 'includeant

runtime' was not set, defaulting to build.sysclasspath=last; set to false for re

peatable builds

     [java] 1    23/11 13:37:56,140[main] ERROR tool.hbm2ddl.SchemaExport.execut

e  - schema export unsuccessful

     [java] com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown d

atabase 'task'

     [java]     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native

Method)

     [java]     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeC

onstructorAccessorImpl.java:57)

     [java]     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Del

egatingConstructorAccessorImpl.java:45)

     [java]     at java.lang.reflect.Constructor.newInstance(Constructor.java:52

5)

     [java]     at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)

     [java]     at com.mysql.jdbc.Util.getInstance(Util.java:386)

     [java]     at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1052

)

     [java]     at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3609)

     [java]     at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3541)

     [java]     at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:943)

     [java]     at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4113)

     [java]     at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1308)

     [java]     at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java

:2336)

     [java]     at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImp

l.java:2369)

     [java]     at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java

:2153)

     [java]     at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:792)

     [java]     at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47

)

     [java]     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native

Method)

     [java]     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeC

onstructorAccessorImpl.java:57)

     [java]     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Del

egatingConstructorAccessorImpl.java:45)

     [java]     at java.lang.reflect.Constructor.newInstance(Constructor.java:52

5)

     [java]     at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)

     [java]     at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java

:381)

     [java]     at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDri

ver.java:305)

     [java]     at java.sql.DriverManager.getConnection(DriverManager.java:579)

     [java]     at java.sql.DriverManager.getConnection(DriverManager.java:190)

     [java]     at org.hibernate.connection.DriverManagerConnectionProvider.getC

onnection(DriverManagerConnectionProvider.java:133)

     [java]     at org.hibernate.tool.hbm2ddl.SuppliedConnectionProviderConnecti

onHelper.prepare(SuppliedConnectionProviderConnectionHelper.java:51)

     [java]     at org.hibernate.tool.hbm2ddl.SchemaExport.execute(SchemaExport.

java:252)

     [java]     at org.hibernate.tool.hbm2ddl.SchemaExport.create(SchemaExport.j

ava:211)

     [java]     at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryIm

pl.java:353)

     [java]     at org.hibernate.cfg.Configuration.buildSessionFactory(Configura

tion.java:1341)

     [java]     at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory

(AnnotationConfiguration.java:867)

     [java]     at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory

(Ejb3Configuration.java:669)

     [java]     at org.hibernate.ejb.HibernatePersistence.createEntityManagerFac

tory(HibernatePersistence.java:126)

     [java]     at javax.persistence.Persistence.createEntityManagerFactory(Pers

istence.java:52)

     [java]     at javax.persistence.Persistence.createEntityManagerFactory(Pers

istence.java:34)

     [java]     at org.jbpm.DemoTaskService.main(Unknown Source)

     [java] 1053 23/11 13:37:57,192[main] ERROR hibernate.util.JDBCExceptionRepo

rter.logExceptions  - Unknown database 'task'

     [java] 1055 23/11 13:37:57,194[main] WARN  service.persistence.TaskLocalTra

nsactionManager.begin  - Unable to begin transaction

     [java] javax.persistence.PersistenceException: org.hibernate.exception.SQLG

rammarException: Cannot open connection

     [java]     at org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceE

xception(AbstractEntityManagerImpl.java:614)

     [java]     at org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:

41)

     [java]     at org.jbpm.task.service.persistence.TaskLocalTransactionManager

.begin(TaskLocalTransactionManager.java:42)

     [java]     at org.jbpm.task.service.persistence.TaskPersistenceManager.begi

nTransaction(TaskPersistenceManager.java:79)

     [java]     at org.jbpm.task.service.persistence.TaskPersistenceManager.getU

nescalatedDeadlines(TaskPersistenceManager.java:144)

     [java]     at org.jbpm.task.service.TaskServiceSession.scheduleUnescalatedD

eadlines(TaskServiceSession.java:231)

     [java]     at org.jbpm.task.service.TaskService.initialize(TaskService.java

:116)

     [java]     at org.jbpm.task.service.TaskService.initialize(TaskService.java

:101)

     [java]     at org.jbpm.task.service.TaskService.<init>(TaskService.java:79)

     [java]     at org.jbpm.DemoTaskService.main(Unknown Source)

     [java] Caused by: org.hibernate.exception.SQLGrammarException: Cannot open

connection

     [java]     at org.hibernate.exception.SQLStateConverter.convert(SQLStateCon

verter.java:90)

     [java]     at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExcep

tionHelper.java:66)

     [java]     at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExcep

tionHelper.java:52)

     [java]     at org.hibernate.jdbc.ConnectionManager.openConnection(Connectio

nManager.java:449)

     [java]     at org.hibernate.jdbc.ConnectionManager.getConnection(Connection

Manager.java:167)

     [java]     at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:14

2)

     [java]     at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransacti

on.java:85)

     [java]     at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.j

ava:1354)

     [java]     at org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:

38)

     [java] Exception in thread "main" java.lang.RuntimeException: Unable to beg

in transaction

     [java]     at org.jbpm.task.service.persistence.TaskLocalTransactionManager

.begin(TaskLocalTransactionManager.java:46)

     [java]     at org.jbpm.task.service.persistence.TaskPersistenceManager.begi

nTransaction(TaskPersistenceManager.java:79)

     [java]     at org.jbpm.task.service.persistence.TaskPersistenceManager.getU

nescalatedDeadlines(TaskPersistenceManager.java:144)

     [java]     at org.jbpm.task.service.TaskServiceSession.scheduleUnescalatedD

eadlines(TaskServiceSession.java:231)

     [java]     at org.jbpm.task.service.TaskService.initialize(TaskService.java

:116)

     [java]     ... 8 more

     [java]     at org.jbpm.task.service.TaskService.initialize(TaskService.java

:101)

     [java] Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException

: Unknown database 'task'       at org.jbpm.task.service.TaskService.<init>(Task

Service.java:79)

     [java]

     [java]     at org.jbpm.DemoTaskService.main(Unknown Source)

     [java] Caused by: javax.persistence.PersistenceException: org.hibernate.exc

eption.SQLGrammarException: Cannot open connection

     [java]     at org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceE

xception(AbstractEntityManagerImpl.java:614)

     [java]     at org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:

41)

     [java]     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native

Method)

     [java]     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeC

onstructorAccessorImpl.java:57)

     [java]     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Del

egatingConstructorAccessorImpl.java:45)

     [java]     at java.lang.reflect.Constructor.newInstance(Constructor.java:52

5)

     [java]     at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)

     [java]     at com.mysql.jdbc.Util.getInstance(Util.java:386)

     [java]     at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1052

)

     [java]     at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3609)

     [java]     at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3541)

     [java]     at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:943)

     [java]     at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4113)

     [java]     at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1308)

     [java]     at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java

:2336)

     [java]     at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImp

l.java:2369)

     [java]     at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java

:2153)

     [java]     at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:792)

     [java]     at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47

)

     [java]     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native

Method)

     [java]     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeC

onstructorAccessorImpl.java:57)

     [java]     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Del

egatingConstructorAccessorImpl.java:45)

     [java]     at java.lang.reflect.Constructor.newInstance(Constructor.java:52

5)

     [java]     at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)

     [java]     at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java

:381)

     [java]     at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDri

ver.java:305)

     [java]     at java.sql.DriverManager.getConnection(DriverManager.java:579)

     [java]     at java.sql.DriverManager.getConnection(DriverManager.java:190)

     [java]     at org.hibernate.connection.DriverManagerConnectionProvider.getC

onnection(DriverManagerConnectionProvider.java:133)

     [java]     at org.hibernate.jdbc.ConnectionManager.openConnection(Connectio

nManager.java:446)

     [java]     ... 13 more

     [java]     at org.jbpm.task.service.persistence.TaskLocalTransactionManager

.begin(TaskLocalTransactionManager.java:42)

     [java]     ... 7 more

     [java] Caused by: org.hibernate.exception.SQLGrammarException: Cannot open

connection

     [java]     at org.hibernate.exception.SQLStateConverter.convert(SQLStateCon

verter.java:90)

     [java]     at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExcep

tionHelper.java:66)

     [java]     at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExcep

tionHelper.java:52)

     [java]     at org.hibernate.jdbc.ConnectionManager.openConnection(Connectio

nManager.java:449)

     [java]     at org.hibernate.jdbc.ConnectionManager.getConnection(Connection

Manager.java:167)

     [java]     at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:14

2)

     [java]     at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransacti

on.java:85)

     [java]     at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.j

ava:1354)

     [java]     at org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:

38)

     [java]     ... 8 more

     [java] Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException

: Unknown database 'task'

     [java]     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native

Method)

     [java]     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeC

onstructorAccessorImpl.java:57)

     [java]     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Del

egatingConstructorAccessorImpl.java:45)

     [java]     at java.lang.reflect.Constructor.newInstance(Constructor.java:52

5)

     [java]     at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)

     [java]     at com.mysql.jdbc.Util.getInstance(Util.java:386)

     [java]     at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1052

)

     [java]     at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3609)

     [java]     at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3541)

     [java]     at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:943)

     [java]     at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4113)

     [java]     at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1308)

     [java]     at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java

:2336)

     [java]     at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImp

l.java:2369)

     [java]     at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java

:2153)

     [java]     at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:792)

     [java]     at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47

)

     [java]     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native

Method)

     [java]     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeC

onstructorAccessorImpl.java:57)

     [java]     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Del

egatingConstructorAccessorImpl.java:45)

     [java]     at java.lang.reflect.Constructor.newInstance(Constructor.java:52

5)

     [java]     at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)

     [java]     at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java

:381)

     [java]     at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDri

ver.java:305)

     [java]     at java.sql.DriverManager.getConnection(DriverManager.java:579)

     [java]     at java.sql.DriverManager.getConnection(DriverManager.java:190)

     [java]     at org.hibernate.connection.DriverManagerConnectionProvider.getC

onnection(DriverManagerConnectionProvider.java:133)

     [java]     at org.hibernate.jdbc.ConnectionManager.openConnection(Connectio

nManager.java:446)

     [java]     ... 13 more

     [java] Java Result: 1

start.demo.db:

BUILD SUCCESSFUL

Total time: 8 seconds