topic Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '6689' for key 'PRIMARY' in Alfresco Forum https://connect.hyland.com/t5/alfresco-forum/error-updating-database-cause-com-mysql-jdbc-exceptions-jdbc4/m-p/54935#M20162 <HTML><HEAD></HEAD><BODY><P>Hi Team,</P><P></P><P>We are using activiti as an rest service with docker, while updating the task through activiti rest API we are getting below issue.</P><P></P><BLOCKQUOTE class="jive_macro_quote jive-quote jive_text_macro"><P>### Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '6689' for key 'PRIMARY'<BR />### The error may involve org.activiti.engine.impl.persistence.entity.HistoricTaskInstanceEntityImpl.insertHistoricTaskInstance-Inline<BR />### The error occurred while setting parameters<BR />### SQL: insert into ACT_HI_TASKINST ( ID_, PROC_DEF_ID_, PROC_INST_ID_, EXECUTION_ID_, NAME_, PARENT_TASK_ID_, DESCRIPTION_, OWNER_, ASSIGNEE_, START_TIME_, CLAIM_TIME_, END_TIME_, DURATION_, DELETE_REASON_, TASK_DEF_KEY_, FORM_KEY_, PRIORITY_, DUE_DATE_, CATEGORY_, TENANT_ID_ ) values ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ? )<BR />### Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '6689' for key 'PRIMARY'</P></BLOCKQUOTE><P></P><P>When we gone through the Activiti user guide, we need to update the UUID generator enable High Concurrency [<A href="https://www.activiti.org/userguide/#advanced.uuid.generator" rel="nofollow noopener noreferrer">https://www.activiti.org/userguide/#advanced.uuid.generator</A>] , but we are working with activiti-rest.war as rest service to resolve this issue where we need to update this configuration please help us on this</P><P></P><P>Environment:</P><P>-----------------</P><P>TOMCAT_VERSION 8.0.38</P><P>ACTIVITI_VERSION 6.0.0</P><P>MYSQL_CONNECTOR_JAVA_VERSION 5.1.40</P><P></P><P>Regards</P><P>Krishna</P></BODY></HTML> Mon, 18 Mar 2019 04:56:21 GMT krishnait19 2019-03-18T04:56:21Z Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '6689' for key 'PRIMARY' https://connect.hyland.com/t5/alfresco-forum/error-updating-database-cause-com-mysql-jdbc-exceptions-jdbc4/m-p/54935#M20162 Hi Team,We are using activiti as an rest service with docker, while updating the task through activiti rest API we are getting below issue.### Error updating database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry '6689' for key 'PRIMARY'### The e Mon, 18 Mar 2019 04:56:21 GMT https://connect.hyland.com/t5/alfresco-forum/error-updating-database-cause-com-mysql-jdbc-exceptions-jdbc4/m-p/54935#M20162 krishnait19 2019-03-18T04:56:21Z