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  1. ,
    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 Spring JIRA by Hendy Irawan, 2 years ago
Could not commit JDBC transaction; nested exception is org.postgresql.util.PSQLException: ERROR: could not serialize access due to read/write dependencies among transactions Detail: Reason code: Canceled on commit attempt with conflict in from prepared pivot. Hint: The transaction might succeed if retried.
via Stack Overflow by ocrease
, 2 years ago
Could not commit JDBC transaction; nested exception is java.sql.SQLException: Connection is null.
via GitHub by lukasniemeier-zalando
, 1 year ago
Could not commit JDBC transaction; nested exception is org.postgresql.util.PSQLException: An I/O error occurred while sending to the backend.
via Coderanch by nalamati satyanarayana, 1 year ago
Could not commit JDBC transaction; nested exception is java.sql.SQLException: I/O Error: DB server closed connection.
via coderanch.com by Unknown author, 1 year ago
Could not commit transaction; nested exception is : I/O Error: DB server closed connection.
via Stack Overflow by Faisal khan
, 2 years ago
Could not commit JDBC transaction; nested exception is java.sql.SQLException: commit() should not be called while in auto-commit mode.
org.postgresql.util.PSQLException: ERROR: could not serialize access due to read/write dependencies among transactions
  Detail: Reason code: Canceled on commit attempt with conflict in from prepared pivot.
  Hint: The transaction might succeed if retried.	at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2157)	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1886)	at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:255)	at org.postgresql.jdbc2.AbstractJdbc2Connection.executeTransactionCommand(AbstractJdbc2Connection.java:793)	at org.postgresql.jdbc2.AbstractJdbc2Connection.commit(AbstractJdbc2Connection.java:817)	at com.mchange.v2.c3p0.impl.NewProxyConnection.commit(NewProxyConnection.java:1032)	at org.springframework.jdbc.datasource.DataSourceTransactionManager.doCommit(DataSourceTransactionManager.java:268)	at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:755)	at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:724)	at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:475)	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:270)	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:94)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.batch.core.repository.support.AbstractJobRepositoryFactoryBean$1.invoke(AbstractJobRepositoryFactoryBean.java:172)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)	at com.sun.proxy.$Proxy31.createJobExecution(Unknown Source)	at org.springframework.batch.core.launch.support.SimpleJobLauncher.run(SimpleJobLauncher.java:124)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:601)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)	at org.springframework.batch.core.configuration.annotation.SimpleBatchConfiguration$PassthruAdvice.invoke(SimpleBatchConfiguration.java:117)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)	at com.sun.proxy.$Proxy32.run(Unknown Source)	at com.quikdo.freq.job.SchedulerConfig$NowLocationVisitorJob.execute(SchedulerConfig.java:273)	at org.quartz.core.JobRunShell.run(JobRunShell.java:207)	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:560)