Unable to Start Spring boot Server

Flowable Engine
1

I am not able to start Spring Boot Server . Getting following error :

type or paste code here
Caused by: liquibase.exception.MigrationFailedException: Migration failed for change set org/flowable/content/db/liquibase/flowable-content-db-changelog.xml::1::activiti:
     Reason: liquibase.exception.DatabaseException: ORA-00955: name is already used by an existing object
 [Failed SQL: (955) CREATE TABLE FLOWABLE.ACT_CO_CONTENT_ITEM (ID_ VARCHAR2(255) NOT NULL, NAME_ VARCHAR2(255) NOT NULL, MIME_TYPE_ VARCHAR2(255), TASK_ID_ VARCHAR2(255), PROC_INST_ID_ VARCHAR2(255), CONTENT_STORE_ID_ VARCHAR2(255), CONTENT_STORE_NAME_ VARCHAR2(255), FIELD_ VARCHAR2(400), CONTENT_AVAILABLE_ NUMBER(1) DEFAULT 0, CREATED_ TIMESTAMP(6), CREATED_BY_ VARCHAR2(255), LAST_MODIFIED_ TIMESTAMP(6), LAST_MODIFIED_BY_ VARCHAR2(255), CONTENT_SIZE_ NUMBER(38, 0) DEFAULT 0, TENANT_ID_ VARCHAR2(255), CONSTRAINT PK_ACT_CO_CONTENT_ITEM PRIMARY KEY (ID_))]
	at liquibase.changelog.ChangeSet.execute(ChangeSet.java:696) ~[liquibase-core-4.9.1.jar:na]
	at liquibase.changelog.visitor.UpdateVisitor.visit(UpdateVisitor.java:56) ~[liquibase-core-4.9.1.jar:na]
	at liquibase.changelog.ChangeLogIterator$2.lambda$null$0(ChangeLogIterator.java:113) ~[liquibase-core-4.9.1.jar:na]
	at liquibase.Scope.lambda$child$0(Scope.java:180) ~[liquibase-core-4.9.1.jar:na]
	at liquibase.Scope.child(Scope.java:189) ~[liquibase-core-4.9.1.jar:na]
	at liquibase.Scope.child(Scope.java:179) ~[liquibase-core-4.9.1.jar:na]
	at liquibase.Scope.child(Scope.java:158) ~[liquibase-core-4.9.1.jar:na]
	at liquibase.changelog.ChangeLogIterator$2.lambda$run$1(ChangeLogIterator.java:112) ~[liquibase-core-4.9.1.jar:na]
	at liquibase.Scope.lambda$child$0(Scope.java:180) ~[liquibase-core-4.9.1.jar:na]
	at liquibase.Scope.child(Scope.java:189) ~[liquibase-core-4.9.1.jar:na]
	at liquibase.Scope.child(Scope.java:179) ~[liquibase-core-4.9.1.jar:na]
	at liquibase.Scope.child(Scope.java:158) ~[liquibase-core-4.9.1.jar:na]
	at liquibase.Scope.child(Scope.java:243) ~[liquibase-core-4.9.1.jar:na]
	at liquibase.changelog.ChangeLogIterator$2.run(ChangeLogIterator.java:93) ~[liquibase-core-4.9.1.jar:na]

Application.yml:

server:
 port: 9091
 servlet:
   context-path: /flowable-api
 
spring:
  application:
    name: flowable-API
  datasource:
    url : jdbc:oracle:thin:@localhost:1521:xe
    driver-class-name : oracle.jdbc.driver.OracleDriver
    username: flowable
    password: *****
  jpa:
    hibernate:
      ddl-auto: none
    open-in-view: false
    properties:
      hibernate:
         default-schema : flowable
         dialect: org.hibernate.dialect.Oracle10gDialect
         hql:
           bulk_id_strategy: org.hibernate.hql.spi.id.inline.InlineIdsInClauseBulkIdStrategy
  elasticsearch:
    uris: http://localhost:9200
  liquibase:
    enabled: false

POM



<properties>
		<java.version>11</java.version>
		<flowable.version>6.7.2</flowable.version>
	</properties>
<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
		<dependency>
			<groupId>org.flowable</groupId>
			<artifactId>flowable-spring-boot-starter-rest</artifactId>
			<version>${flowable.version}</version>
		</dependency>
		<dependency>
			<groupId>org.flowable</groupId>
			<artifactId>flowable-spring-boot-starter</artifactId>
			<version>${flowable.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-jpa</artifactId>		
		</dependency>

		<dependency>
			<groupId>org.projectlombok</groupId>
			<artifactId>lombok</artifactId>
			<version>1.18.24</version>
		</dependency>
		<dependency>
			<groupId>com.fasterxml.jackson.core</groupId>
			<artifactId>jackson-core</artifactId>
			<version>2.13.3</version>
		</dependency>
		<dependency>
			<groupId>com.oracle</groupId>
			<artifactId>jdbc6</artifactId>
			<version>1.0.0</version>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>
2

Hey @1986sudipta,

The error is quite clear:

ORA-00955: name is already used by an existing object

Do you by any chance have created some Flowable tables manually?

Cheers,
Filip