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Samebug tips

  1. ,
    via stackoverflow.com by Unknown author

    Upgrade the database driver to the latest and check.

    <dependency>
        <groupId>org.postgresql</groupId>
        <artifactId>postgresql</artifactId>
        <version>9.3-1101-jdbc41</version>
    </dependency>
    

    Replace version with the latest driver version.

  2. ,
    Expert tip

    Try downgrading PostgresSQL server to 9.5 or update your PostgresSQL driver to 9.4-1211 with the following command: <postgresql.version>9.4.1211</postgresql.version>

Solutions on the web

via Google Groups by Lukáš Vasek, 1 year ago
An event with identifier [e960af35-4b49-447a-964c-2be17d887c59] could not be persisted
via Google Groups by Lukáš Vasek, 1 year ago
An event for aggregate [00000000-0000-0000-0000-000000000001] at sequence [0] could not be persisted
via Google Groups by Suji Woo, 5 months ago
An event for aggregate [A145SA0149] at sequence [1] could not be persisted
via GitHub by bilak
, 1 year ago
An event with identifier [c9f0c8d9-7915-4be5-bda0-7135f265af5e] could not be persisted
via Google Groups by Christopher Usick, 3 months ago
An event with identifier [8121256c-d118-4ce4-a5b9-e975e90f942b] could not be persisted
org.postgresql.util.PSQLException: ERROR: null value in column 
"type" violates not-null constraint

  Detail: Failing row contains (3, e960af35-4b49-447a-964c-2be17d887c59, 0, 
null, e960af35-4b49-447a-964c-2be17d887c59, null, 
cloud.api.infrastructure.command.initializer.event.C..., 
2017-01-10T12:44:28.355Z, 
\x3c6d6574612d646174613e3c656e7472793e3c737472696e673e7472616365..., 
\x3c6e65742e646f6375636f6d2e636c6f75642e6170692e696e667261737472...).	at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2455)	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2155)	at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:288)	at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:430)	at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:356)	at org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(PgPreparedStatement.java:168)	at org.postgresql.jdbc.PgPreparedStatement.executeUpdate(PgPreparedStatement.java:135)	at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:204)	at org.hibernate.engine.jdbc.batch.internal.NonBatchingBatch.addToBatch(NonBatchingBatch.java:45)	at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2897)	at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3397)	at org.hibernate.action.internal.EntityInsertAction.execute(EntityInsertAction.java:89)	at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:582)	at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:456)	at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:337)	at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:39)	at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1282)	at org.hibernate.jpa.spi.AbstractEntityManagerImpl.flush(AbstractEntityManagerImpl.java:1300)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:298)	at com.sun.proxy.$Proxy170.flush(Unknown Source)	at org.axonframework.eventsourcing.eventstore.jpa.JpaEventStorageEngine.appendEvents(JpaEventStorageEngine.java:220)	at org.axonframework.eventsourcing.eventstore.AbstractEventStorageEngine.appendEvents(AbstractEventStorageEngine.java:85)	at org.axonframework.eventsourcing.eventstore.AbstractEventStore.prepareCommit(AbstractEventStore.java:63)	at org.axonframework.eventhandling.AbstractEventBus.doWithEvents(AbstractEventBus.java:181)	at org.axonframework.eventhandling.AbstractEventBus.lambda$null$5(AbstractEventBus.java:133)	at org.axonframework.messaging.unitofwork.MessageProcessingContext.notifyHandlers(MessageProcessingContext.java:68)	at org.axonframework.messaging.unitofwork.DefaultUnitOfWork.notifyHandlers(DefaultUnitOfWork.java:91)	at org.axonframework.messaging.unitofwork.AbstractUnitOfWork.changePhase(AbstractUnitOfWork.java:214)	at org.axonframework.messaging.unitofwork.AbstractUnitOfWork.commitAsRoot(AbstractUnitOfWork.java:83)	at org.axonframework.messaging.unitofwork.AbstractUnitOfWork.commit(AbstractUnitOfWork.java:71)	at org.axonframework.messaging.unitofwork.DefaultUnitOfWork.executeWithResult(DefaultUnitOfWork.java:80)	at org.axonframework.commandhandling.SimpleCommandBus.doDispatch(SimpleCommandBus.java:145)	at org.axonframework.commandhandling.SimpleCommandBus.doDispatch(SimpleCommandBus.java:118)	at org.axonframework.commandhandling.AsynchronousCommandBus.access$001(AsynchronousCommandBus.java:40)	at org.axonframework.commandhandling.AsynchronousCommandBus$DispatchCommand.run(AsynchronousCommandBus.java:94)	at org.springframework.security.concurrent.DelegatingSecurityContextRunnable.run(DelegatingSecurityContextRunnable.java:83)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)	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)