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via Google Groups by David Harrigan, 1 year ago
Could not open JPA EntityManager for transaction; nested exception is java.lang.NullPointerException
via Stack Overflow by yglodt
, 8 months ago
Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Unable to acquire JDBC Connection
via openmeetings-user by Lee Saunders, 1 year ago
Could not open JPA EntityManager for transaction; nested exception is <openjpa-2.2.2-r422266:1468616 fatal general error> org.apache.openjpa.persistence.PersistenceException: Cannot create PoolableConnectionFactory (Could not create connection to database server. Attempted reconnect 3 times. Giving up.)
via Oracle Community by 885196, 1 year ago
Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: Exception [EclipseLink-28013] (Eclipse Persistence Services - 2.0.2.v20100323-r6872
via Oracle Community by 885196, 1 year ago
Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: Exception [EclipseLink-28013] (Eclipse Persistence Services - 2.0.2.v20100323-r6872
via Oracle Community by 885196, 1 year ago
Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: Exception [EclipseLink-28013] (Eclipse Persistence Services - 2.0.2.v20100323-r6872
org.springframework.transaction.CannotCreateTransactionException: Could not 
open JPA EntityManager for transaction; nested exception is 
java.lang.NullPointerException	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:431)	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373)