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Samebug tips

  1. ,
    Expert tip

    It's possible you're trying to write to a connection that's already closed. Another cause for this is that you closed the socket with unread data in the socket receive buffer.

  2. ,
    Expert tip

    This might be caused by unmatching versions of SSL. Java starts normally with SSLv2 and your server might not be able to negotiate. You have to force Java to use SSLv3. See this comment: https://goo.gl/hx0YB3

Solutions on the web

via Stack Overflow by Asoub
, 1 year ago
Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: Could not open connection
via itpub.net by Unknown author, 2 years ago
Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Cannot open connection
via Stack Overflow by Kai
, 1 month ago
Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Unable to acquire JDBC Connection
via com.br by Unknown author, 2 years ago
Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: org.hibernate.TransactionException: Could not find UserTransaction in JNDI [java:comp/UserTransaction]
via nabble.com by Unknown author, 2 years ago
Could not open JPA EntityManager for transaction; nested exception is <openjpa-2.1.1-r422266:1148538 nonfatal user error> org.apache.openjpa.persistence.InvalidStateException: You cannot access the EntityTransaction when using managed transactions.
via spring.io by Unknown author, 2 years ago
Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Cannot open connection
java.net.SocketException: Connection reset	at java.net.SocketInputStream.read(SocketInputStream.java:168)	at org.postgresql.core.VisibleBufferedInputStream.readMore(VisibleBufferedInputStream.java:143)	at org.postgresql.core.VisibleBufferedInputStream.ensureBytes(VisibleBufferedInputStream.java:112)	at org.postgresql.core.VisibleBufferedInputStream.read(VisibleBufferedInputStream.java:71)	at org.postgresql.core.PGStream.ReceiveChar(PGStream.java:269)	at org.postgresql.core.v3.ConnectionFactoryImpl.doAuthentication(ConnectionFactoryImpl.java:376)	at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:173)	at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:64)	at org.postgresql.jdbc2.AbstractJdbc2Connection.(AbstractJdbc2Connection.java:136)	at org.postgresql.jdbc3.AbstractJdbc3Connection.(AbstractJdbc3Connection.java:29)	at org.postgresql.jdbc3g.AbstractJdbc3gConnection.(AbstractJdbc3gConnection.java:21)	at org.postgresql.jdbc4.AbstractJdbc4Connection.(AbstractJdbc4Connection.java:31)	at org.postgresql.jdbc4.Jdbc4Connection.(Jdbc4Connection.java:24)	at org.postgresql.Driver.makeConnection(Driver.java:393)	at org.postgresql.Driver.connect(Driver.java:267)	at java.sql.DriverManager.getConnection(DriverManager.java:582)	at java.sql.DriverManager.getConnection(DriverManager.java:154)	at org.springframework.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriverManager(DriverManagerDataSource.java:153)	at org.springframework.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriver(DriverManagerDataSource.java:144)	at org.springframework.jdbc.datasource.AbstractDriverBasedDataSource.getConnectionFromDriver(AbstractDriverBasedDataSource.java:155)	at org.springframework.jdbc.datasource.AbstractDriverBasedDataSource.getConnection(AbstractDriverBasedDataSource.java:120)	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:139)	at org.hibernate.internal.AbstractSessionImpl$NonContextualJdbcConnectionAccess.obtainConnection(AbstractSessionImpl.java:380)	at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:228)	at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.getConnection(LogicalConnectionImpl.java:171)	at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doBegin(JdbcTransaction.java:67)	at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.begin(AbstractTransactionImpl.java:162)	at org.hibernate.internal.SessionImpl.beginTransaction(SessionImpl.java:1435)	at org.hibernate.jpa.internal.TransactionImpl.begin(TransactionImpl.java:61)	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:170)	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:380)	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373)	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)	at org.springframework.batch.core.step.tasklet.TaskletStep$2.doInChunkContext(TaskletStep.java:271)	at org.springframework.batch.core.scope.context.StepContextRepeatCallback.doInIteration(StepContextRepeatCallback.java:77)	at org.springframework.batch.repeat.support.RepeatTemplate.getNextResult(RepeatTemplate.java:368)	at org.springframework.batch.repeat.support.RepeatTemplate.executeInternal(RepeatTemplate.java:215)	at org.springframework.batch.repeat.support.RepeatTemplate.iterate(RepeatTemplate.java:144)	at org.springframework.batch.core.step.tasklet.TaskletStep.doExecute(TaskletStep.java:257)	at org.springframework.batch.core.step.AbstractStep.execute(AbstractStep.java:198)	at org.springframework.batch.core.job.SimpleStepHandler.handleStep(SimpleStepHandler.java:148)	at org.springframework.batch.core.job.flow.JobFlowExecutor.executeStep(JobFlowExecutor.java:64)	at org.springframework.batch.core.job.flow.support.state.StepState.handle(StepState.java:67)	at org.springframework.batch.core.job.flow.support.SimpleFlow.resume(SimpleFlow.java:165)	at org.springframework.batch.core.job.flow.support.SimpleFlow.start(SimpleFlow.java:144)	at org.springframework.batch.core.job.flow.FlowJob.doExecute(FlowJob.java:134)	at org.springframework.batch.core.job.AbstractJob.execute(AbstractJob.java:304)	at org.springframework.batch.core.launch.support.SimpleJobLauncher$1.run(SimpleJobLauncher.java:135)	at org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:50)	at org.springframework.batch.core.launch.support.SimpleJobLauncher.run(SimpleJobLauncher.java:128)	at org.springframework.batch.core.launch.support.CommandLineJobRunner.start(CommandLineJobRunner.java:362)	at org.springframework.batch.core.launch.support.CommandLineJobRunner.main(CommandLineJobRunner.java:590)