Java PSQLException:错误：重复的键值违反了唯一约束<；约束>；

我有一个实体任务，它本身有很多关系

任务

@Entity 
@Table(name = "tasks")
public class Task {
@Id
@Type(type = "pg-uuid")
private UUID id;
@Column(nullable = false)
private String title = "";
@ManyToMany
@JoinTable(name = "task_dependencies",
        joinColumns = {@JoinColumn(name = "task_id")},
        inverseJoinColumns = {@JoinColumn(name = "dependency_id")})
private Set<Task> dependencies = new HashSet<>();
}

org.postgresql.util.PSQLException: ERROR: duplicate key value violates unique constraint "task_dependencies_pk"
issues.1.vwgmg5dpabmo@docker-master    |   Detail: Key (task_id, dependency_id)=(1ccf9dc6-77f5-4dc7-91c7-d0c23e364086, a77560c1-5979-4e46-8399-0b2338475ced) already exists.
issues.1.vwgmg5dpabmo@docker-master    |        at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2477) ~[postgresql-42.1.4.jar!/:42.1.4]
issues.1.vwgmg5dpabmo@docker-master    |        at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2190) ~[postgresql-42.1.4.jar!/:42.1.4]
issues.1.vwgmg5dpabmo@docker-master    |        at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:300) ~[postgresql-42.1.4.jar!/:42.1.4]
issues.1.vwgmg5dpabmo@docker-master    |        at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:428) ~[postgresql-42.1.4.jar!/:42.1.4]
issues.1.vwgmg5dpabmo@docker-master    |        at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:354) ~[postgresql-42.1.4.jar!/:42.1.4]
issues.1.vwgmg5dpabmo@docker-master    |        at org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(PgPreparedStatement.java:169) ~[postgresql-42.1.4.jar!/:42.1.4]
issues.1.vwgmg5dpabmo@docker-master    |        at org.postgresql.jdbc.PgPreparedStatement.executeUpdate(PgPreparedStatement.java:136) ~[postgresql-42.1.4.jar!/:42.1.4]
issues.1.vwgmg5dpabmo@docker-master    |        at com.zaxxer.hikari.pool.ProxyPreparedStatement.executeUpdate(ProxyPreparedStatement.java:61) ~[HikariCP-2.7.3.jar!/:na]
issues.1.vwgmg5dpabmo@docker-master    |        at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeUpdate(HikariProxyPreparedStatement.java) ~[HikariCP-2.7.3.jar!/:na]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:175) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.engine.jdbc.batch.internal.NonBatchingBatch.addToBatch(NonBatchingBatch.java:45) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.persister.collection.AbstractCollectionPersister.insertRows(AbstractCollectionPersister.java:1567) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.action.internal.CollectionUpdateAction.execute(CollectionUpdateAction.java:85) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:589) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:463) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:337) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:39) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.internal.SessionImpl.doFlush(SessionImpl.java:1437) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:493) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.internal.SessionImpl.flushBeforeTransactionCompletion(SessionImpl.java:3207) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.internal.SessionImpl.beforeTransactionCompletion(SessionImpl.java:2413) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.beforeTransactionCompletion(JdbcCoordinatorImpl.java:473) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl.beforeCompletionCallback(JdbcResourceLocalTransactionCoordinatorImpl.java:156) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl.access$100(JdbcResourceLocalTransactionCoordinatorImpl.java:38) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.commit(JdbcResourceLocalTransactionCoordinatorImpl.java:231) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.engine.transaction.internal.TransactionImpl.commit(TransactionImpl.java:68) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:536) ~[spring-orm-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:742) ~[spring-tx-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:710) ~[spring-tx-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:532) ~[spring-tx-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:304) ~[spring-tx-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98) ~[spring-tx-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:689) ~[spring-aop-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at com.docutools.issues.service.TaskService$$EnhancerBySpringCGLIB$$d898669c.addDependencyToTask(<generated>) ~[classes!/:1.0.0-RELEASE]
issues.1.vwgmg5dpabmo@docker-master    |        at com.docutools.issues.api.v2.controllers.TasksApi.addDependencyToTask(TasksApi.java:170) ~[classes!/:1.0.0-RELEASE]
issues.1.vwgmg5dpabmo@docker-master    |        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_151]
issues.1.vwgmg5dpabmo@docker-master    |        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_151]
issues.1.vwgmg5dpabmo@docker-master    |        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_151]
issues.1.vwgmg5dpabmo@docker-master    |        at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_151]

任务相关性

CREATE TABLE task_dependencies (
task_id uuid NOT NULL,
dependency_id uuid NOT NULL,
CONSTRAINT task_dependencies_pk PRIMARY KEY(task_id, dependency_id));

当我更新任务依赖项时，有时会抛出异常org.postgresql.util.PSQLException:ERROR:重复键值违反了唯一约束“任务依赖项主键”

org.postgresql.util.PSQLException:错误：重复的键值违反了唯一约束“任务\依赖项\主键”
问题1。vwgmg5dpabmo@docker-主控|详细信息：键（任务id、依赖项id）=（1ccf9dc6-77f5-4dc7-91c7-d0c23e364086、a77560c1-5979-4e46-8399-0b2338475ced）已存在。
问题1。vwgmg5dpabmo@docker-master |位于org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse（QueryExecutorImpl.java:2477）~[postgresql-42.1.4.jar！/：42.1.4]
问题1。vwgmg5dpabmo@docker-master |位于org.postgresql.core.v3.QueryExecutorImpl.processResults（QueryExecutorImpl.java:2190）~[postgresql-42.1.4.jar！/：42.1.4]
问题1。vwgmg5dpabmo@docker-master |位于org.postgresql.core.v3.QueryExecutorImpl.execute（QueryExecutorImpl.java:300）~[postgresql-42.1.4.jar！/：42.1.4]
问题1。vwgmg5dpabmo@docker-master |位于org.postgresql.jdbc.PgStatement.executeInternal（PgStatement.java:428）~[postgresql-42.1.4.jar！/：42.1.4]
问题1。vwgmg5dpabmo@docker-master |位于org.postgresql.jdbc.PgStatement.execute（PgStatement.java:354）~[postgresql-42.1.4.jar！/：42.1.4]
问题1。vwgmg5dpabmo@docker-master |位于org.postgresql.jdbc.PgPreparedStatement.executeWithFlags（PgPreparedStatement.java:169）~[postgresql-42.1.4.jar！/：42.1.4]
问题1。vwgmg5dpabmo@docker-master |位于org.postgresql.jdbc.PgPreparedStatement.executeUpdate（PgPreparedStatement.java:136）~[postgresql-42.1.4.jar！/：42.1.4]
问题1。vwgmg5dpabmo@docker-master |位于com.zaxxer.hikari.pool.ProxyPreparedStatement.executeUpdate（ProxyPreparedStatement.java:61）~[HikariCP-2.7.3.jar！/：na]
问题1。vwgmg5dpabmo@docker-master |位于com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeUpdate（HikariProxyPreparedStatement.java）~[HikariCP-2.7.3.jar！/：na]
问题1。vwgmg5dpabmo@docker-master |位于org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate（ResultSetReturnImpl.java:175）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-master |位于org.hibernate.engine.jdbc.batch.internal.NonBatchingBatch.addToBatch（NonBatchingBatch.java:45）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-master |位于org.hibernate.persister.collection.AbstractCollectionPersister.insertRows（AbstractCollectionPersister.java:1567）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-master |位于org.hibernate.action.internal.CollectionUpdateAction.execute（CollectionUpdateAction.java:85）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-master |位于org.hibernate.engine.spi.ActionQueue.executeActions（ActionQueue.java:589）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-master |位于org.hibernate.engine.spi.ActionQueue.executeActions（ActionQueue.java:463）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-master |位于org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions（AbstractFlushingEventListener.java:337）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-master |位于org.hibernate.event.internal.DefaultFlushEventListener.onFlush（DefaultFlushEventListener.java:39）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-master |位于org.hibernate.internal.SessionImpl.doFlush（SessionImpl.java:1437）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-master |位于org.hibernate.internal.SessionImpl.managedFlush（SessionImpl.java:493）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-master |在org.hibernate.internal.SessionImpl.flushBeforTransactionCompletion（SessionImpl.java:3207）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-master |在org.hibernate.internal.SessionImpl.beforeTransactionCompletion（SessionImpl.java:2413）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-掌握|在org.hibernate.engine.jdbc.internal.jdbcoordinatorimpl.beforeTransactionCompletion（jdbcoordinatorimpl.java:473）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-master |位于org.hibernate.resource.transaction.backend.jdbc.internal.jdbResourceLocalTransactionCoordinatorImpl.beforeCompletionCallback（jdbResourceLocalTransactionCoordinatorImpl.java:156）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-master |位于org.hibernate.resource.transaction.backend.jdbc.internal.jdbResourceLocalTransactionCoordinatorImpl.access$100（jdbResourceLocalTransactionCoordinatorImpl.java:38）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-master |位于org.hibernate.resource.transaction.backend.jdbc.internal.jdbResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.commit（jdbResourceLocalTransactionCoordinatorImpl.java:231）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-master |位于org.hibernate.engine.transaction.internal.TransactionImpl.commit（TransactionImpl.java:68）~[hibernate-core-5.2.12.Final.jar！/：5.2.12.Final]
问题1。vwgmg5dpabmo@docker-掌握| org.springframework.orm.jpa.JpaTransactionManager.doCommit（JpaTransactionManager.java:536）~[spring-orm-5.0.2.BUILD-SNAPSHOT.jar！/：5.0.2.BUILD-SNAPSHOT]
国际空间站
org.postgresql.util.PSQLException: ERROR: duplicate key value violates unique constraint "task_dependencies_pk"
issues.1.vwgmg5dpabmo@docker-master    |   Detail: Key (task_id, dependency_id)=(1ccf9dc6-77f5-4dc7-91c7-d0c23e364086, a77560c1-5979-4e46-8399-0b2338475ced) already exists.
issues.1.vwgmg5dpabmo@docker-master    |        at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2477) ~[postgresql-42.1.4.jar!/:42.1.4]
issues.1.vwgmg5dpabmo@docker-master    |        at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2190) ~[postgresql-42.1.4.jar!/:42.1.4]
issues.1.vwgmg5dpabmo@docker-master    |        at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:300) ~[postgresql-42.1.4.jar!/:42.1.4]
issues.1.vwgmg5dpabmo@docker-master    |        at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:428) ~[postgresql-42.1.4.jar!/:42.1.4]
issues.1.vwgmg5dpabmo@docker-master    |        at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:354) ~[postgresql-42.1.4.jar!/:42.1.4]
issues.1.vwgmg5dpabmo@docker-master    |        at org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(PgPreparedStatement.java:169) ~[postgresql-42.1.4.jar!/:42.1.4]
issues.1.vwgmg5dpabmo@docker-master    |        at org.postgresql.jdbc.PgPreparedStatement.executeUpdate(PgPreparedStatement.java:136) ~[postgresql-42.1.4.jar!/:42.1.4]
issues.1.vwgmg5dpabmo@docker-master    |        at com.zaxxer.hikari.pool.ProxyPreparedStatement.executeUpdate(ProxyPreparedStatement.java:61) ~[HikariCP-2.7.3.jar!/:na]
issues.1.vwgmg5dpabmo@docker-master    |        at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeUpdate(HikariProxyPreparedStatement.java) ~[HikariCP-2.7.3.jar!/:na]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:175) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.engine.jdbc.batch.internal.NonBatchingBatch.addToBatch(NonBatchingBatch.java:45) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.persister.collection.AbstractCollectionPersister.insertRows(AbstractCollectionPersister.java:1567) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.action.internal.CollectionUpdateAction.execute(CollectionUpdateAction.java:85) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:589) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:463) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:337) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:39) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.internal.SessionImpl.doFlush(SessionImpl.java:1437) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:493) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.internal.SessionImpl.flushBeforeTransactionCompletion(SessionImpl.java:3207) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.internal.SessionImpl.beforeTransactionCompletion(SessionImpl.java:2413) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.beforeTransactionCompletion(JdbcCoordinatorImpl.java:473) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl.beforeCompletionCallback(JdbcResourceLocalTransactionCoordinatorImpl.java:156) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl.access$100(JdbcResourceLocalTransactionCoordinatorImpl.java:38) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.commit(JdbcResourceLocalTransactionCoordinatorImpl.java:231) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.hibernate.engine.transaction.internal.TransactionImpl.commit(TransactionImpl.java:68) ~[hibernate-core-5.2.12.Final.jar!/:5.2.12.Final]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:536) ~[spring-orm-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:742) ~[spring-tx-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:710) ~[spring-tx-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:532) ~[spring-tx-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:304) ~[spring-tx-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98) ~[spring-tx-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185) ~[spring-aop-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:689) ~[spring-aop-5.0.2.BUILD-SNAPSHOT.jar!/:5.0.2.BUILD-SNAPSHOT]
issues.1.vwgmg5dpabmo@docker-master    |        at com.docutools.issues.service.TaskService$$EnhancerBySpringCGLIB$$d898669c.addDependencyToTask(<generated>) ~[classes!/:1.0.0-RELEASE]
issues.1.vwgmg5dpabmo@docker-master    |        at com.docutools.issues.api.v2.controllers.TasksApi.addDependencyToTask(TasksApi.java:170) ~[classes!/:1.0.0-RELEASE]
issues.1.vwgmg5dpabmo@docker-master    |        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_151]
issues.1.vwgmg5dpabmo@docker-master    |        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_151]
issues.1.vwgmg5dpabmo@docker-master    |        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_151]
issues.1.vwgmg5dpabmo@docker-master    |        at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_151]

public TaskDTO updateDependencies(TaskDTO updateTask, UUID taskId) {
    Task task = taskRepository.findById(taskId).orElseThrow(() ->
        new EntityNotFoundException("Task", taskId));
    if (updateTask.getDependencyIds() != null) {
        List<Task> dependencies = taskRepository.findAllById(updateTask.getDependencyIds().stream().filter(Objects::nonNull).collect(Collectors.toList()));
        task.getDependencies().addAll(dependencies);
        taskRepository.save(task);
    }
    return new TaskDTO(task);
}