Questions about the FLOWABLE MYBATIS affairs-CodePudding

 
Under Caused by: com. Mysql. JDBC. Exceptions. Jdbc4. MySQLTransactionRollbackException: Deadlock found when trying to get the lock; Try restarting transaction 
At sun. Reflect. NativeConstructorAccessorImpl. NewInstance0 (Native Method) 
At sun. Reflect. NativeConstructorAccessorImpl. NewInstance (NativeConstructorAccessorImpl. Java: 62) 
At sun. Reflect. DelegatingConstructorAccessorImpl. NewInstance (DelegatingConstructorAccessorImpl. Java: 45) 
The at Java. Lang. Reflect. Constructor. NewInstance (423) Constructor. Java: 
At com. Mysql. JDBC. Util. HandleNewInstance (Util. Java: 425) 
At com. Mysql. JDBC. Util. GetInstance (Util. Java: 408) 
At com. Mysql. JDBC. SQLError. CreateSQLException (SQLError. Java: 952) 
At com. Mysql. JDBC. MysqlIO. CheckErrorPacket (MysqlIO. Java: 3976) 
At com. Mysql. JDBC. MysqlIO. CheckErrorPacket (MysqlIO. Java: 3912) 
At com. Mysql. JDBC. MysqlIO. SendCommand (MysqlIO. Java: 2530) 
At com. Mysql. JDBC. MysqlIO. SqlQueryDirect (MysqlIO. Java: 2683) 
At com. Mysql. JDBC. ConnectionImpl. ExecSQL (ConnectionImpl. Java: 2486) 
At com. Mysql. JDBC. PreparedStatement. ExecuteInternal (PreparedStatement. Java: 1858) 
At com. Mysql. JDBC. PreparedStatement. Execute (PreparedStatement. Java: 1197) 
At com. Alibaba. Druid. Filter. FilterChainImpl. PreparedStatement_execute (FilterChainImpl. Java: 3409) 
At com. Alibaba. Druid. Filter. FilterEventAdapter. PreparedStatement_execute (FilterEventAdapter. Java: 440) 
At com. Alibaba. Druid. Filter. FilterChainImpl. PreparedStatement_execute (FilterChainImpl. Java: 3407) 
At com. Alibaba. Druid. Proxy. JDBC. PreparedStatementProxyImpl. Execute (PreparedStatementProxyImpl. Java: 167) 
At com. Alibaba. Druid. Pool. DruidPooledPreparedStatement. Execute (DruidPooledPreparedStatement. Java: 498) 
The at org. Apache. Ibatis. Executor. Statement. PreparedStatementHandler. Update (46) PreparedStatementHandler. Java: 
The at org. Apache. Ibatis. Executor. Statement. RoutingStatementHandler. Update (RoutingStatementHandler. Java: 74) 
The at org. Apache. Ibatis. Executor. SimpleExecutor. DoUpdate (SimpleExecutor. Java: 50) 
The at org. Apache. Ibatis. Executor. BaseExecutor. Update (BaseExecutor. Java: 117) 
The at org. Apache. Ibatis. Executor. CachingExecutor. Update (CachingExecutor. Java: 76) 
The at org. Apache. Ibatis. Session. Defaults. DefaultSqlSession. Update (DefaultSqlSession. Java: 198) 
. 107 common frames omitted 
Org. Apache. Ibatis. Exceptions. PersistenceException: 
# # # Error updating the database. Cause: the mysql. JDBC. Exceptions. Jdbc4. MySQLTransactionRollbackException: Deadlock found when trying to get the lock; Try restarting transaction 
# # # The error may involve org. Flowable. Engine. The impl. Persistence. Entity. ActivityInstanceEntityImpl. InsertActivityInstance - The Inline 
# # # The error occurred while setting The parameters 
# # # SQL: insert into ACT_RU_ACTINST (ID_, REV_ PROC_DEF_ID_, PROC_INST_ID_, EXECUTION_ID_, ACT_ID_, TASK_ID_, CALL_PROC_INST_ID_, ACT_NAME_, ACT_TYPE_, ASSIGNEE_, START_TIME_, END_TIME_, DURATION_, DELETE_REASON_, TENANT_ID_) values (?,?,?,?,? , 1,? ,? ,? ,? ,? ,? ,? ,? ,? ,? ,? ,? ,? ,? ) 
# # # Cause: com. Mysql. JDBC. Exceptions. Jdbc4. MySQLTransactionRollbackException: Deadlock found when trying to get the lock; Try restarting transaction 
The at org. Apache. Ibatis. Exceptions. ExceptionFactory. WrapException (30) ExceptionFactory. Java: 
The at org. Apache. Ibatis. Session. Defaults. DefaultSqlSession. Update (DefaultSqlSession. Java: 200) 
The at org. Apache. Ibatis. Session. Defaults. DefaultSqlSession. Insert (185) DefaultSqlSession. Java: 
At org.flowable.com, mon. Engine. Impl. Db. DbSqlSession. FlushRegularInsert (DbSqlSession. Java: 509) 
At org.flowable.com, mon. Engine. Impl. Db. DbSqlSession. FlushInsertEntities (DbSqlSession. Java: 493) 
At org.flowable.com, mon. Engine. Impl. Db. DbSqlSession. FlushInserts (DbSqlSession. Java: 473) 
At org.flowable.com, mon. Engine. Impl. Db. DbSqlSession. Flush (DbSqlSession. Java: 358) 
The at org.flowable.common.engine.impl.interceptor.Com mandContext. FlushSessions (CommandContext. Java: 192) 
The at org.flowable.common.engine.impl.interceptor.Com mandContext. Close (CommandContext. Java: 61) 
The at org.flowable.common.engine.impl.interceptor.Com mandContextInterceptor. Execute (CommandContextInterceptor. Java: 81) 
At org.flowable.com, mon. Spring. SpringTransactionInterceptor. Execute (SpringTransactionInterceptor. Java: 51) 
At org.flowable.com, mon. Engine. Impl. Interceptor. LogInterceptor. Execute (30) LogInterceptor. Java: 
The at org.flowable.common.engine.impl.cfg.Com mandExecutorImpl. Execute (CommandExecutorImpl. Java: 56) 
The at org.flowable.common.engine.impl.cfg.Com mandExecutorImpl. Execute (CommandExecutorImpl. Java: 51) 
At org.flowable.engine.impl.TaskServiceImpl.com plete TaskServiceImpl. Java: (213) 
nullnullnullnullnullnullnull