2016-10-04 16:33:39,020 INFO  [org.hibernate.tool.hbm2ddl.SchemaUpdate] (ServerService Thread Pool -- 74) HHH000228: Running hbm2ddl schema update
2016-10-04 16:33:44,268 INFO  [org.hibernate.tool.schema.extract.internal.InformationExtractorJdbcDatabaseMetaDataImpl] (ServerService Thread Pool -- 74) HHH000262: Table not found: Attachment
2016-10-04 16:33:44,562 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 74) MSC000001: Failed to start service jboss.persistenceunit."business-central.war#org.jbpm.domain": org.jboss.msc.service.StartException in service jboss.persistenceunit."business-central.war#org.jbpm.domain": javax.persistence.PersistenceException: [PersistenceUnit: org.jbpm.domain] Unable to build Hibernate SessionFactory
	at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1$1.run(PersistenceUnitServiceImpl.java:172)
	at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1$1.run(PersistenceUnitServiceImpl.java:117)
	at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:667)
	at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1.run(PersistenceUnitServiceImpl.java:182)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
	at org.jboss.threads.JBossThread.run(JBossThread.java:320)
Caused by: javax.persistence.PersistenceException: [PersistenceUnit: org.jbpm.domain] Unable to build Hibernate SessionFactory
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.persistenceException(EntityManagerFactoryBuilderImpl.java:954)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:882)
	at org.jboss.as.jpa.hibernate5.TwoPhaseBootstrapImpl.build(TwoPhaseBootstrapImpl.java:44)
	at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1$1.run(PersistenceUnitServiceImpl.java:154)
	... 7 more
Caused by: org.hibernate.tool.schema.spi.SchemaManagementException: Unable to execute schema management to JDBC target [create table Attachment (id number(19,0) not null, accessType number(10,0), attachedAt timestamp, attachmentContentId number(19,0) not null, contentType varchar2(255 char), name varchar2(255 char), attachment_size number(10,0), attachedBy_id varchar2(255 char), TaskData_Attachments_Id number(19,0), primary key (id))]
	at org.hibernate.tool.schema.internal.TargetDatabaseImpl.accept(TargetDatabaseImpl.java:59)
	at org.hibernate.tool.schema.internal.SchemaMigratorImpl.applySqlString(SchemaMigratorImpl.java:431)
	at org.hibernate.tool.schema.internal.SchemaMigratorImpl.applySqlStrings(SchemaMigratorImpl.java:420)
	at org.hibernate.tool.schema.internal.SchemaMigratorImpl.createTable(SchemaMigratorImpl.java:236)
	at org.hibernate.tool.schema.internal.SchemaMigratorImpl.doMigrationToTargets(SchemaMigratorImpl.java:167)
	at org.hibernate.tool.schema.internal.SchemaMigratorImpl.doMigration(SchemaMigratorImpl.java:60)
	at org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:134)
	at org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:101)
	at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:470)
	at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:444)
	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:879)
	... 9 more
Caused by: java.sql.SQLSyntaxErrorException: ORA-00955: name is already used by an existing object

	at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:450)
	at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:399)
	at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:1059)
	at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:522)
	at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:257)
	at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:587)
	at oracle.jdbc.driver.T4CStatement.doOall8(T4CStatement.java:210)
	at oracle.jdbc.driver.T4CStatement.doOall8(T4CStatement.java:30)
	at oracle.jdbc.driver.T4CStatement.executeForRows(T4CStatement.java:931)
	at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1150)
	at oracle.jdbc.driver.OracleStatement.executeUpdateInternal(OracleStatement.java:1707)
	at oracle.jdbc.driver.OracleStatement.executeUpdate(OracleStatement.java:1670)
	at oracle.jdbc.driver.OracleStatementWrapper.executeUpdate(OracleStatementWrapper.java:310)
	at org.jboss.jca.adapters.jdbc.WrappedStatement.executeUpdate(WrappedStatement.java:430)
	at org.hibernate.tool.schema.internal.TargetDatabaseImpl.accept(TargetDatabaseImpl.java:56)
	... 19 more