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Could not open JPA EntityManager for transaction; nested exception is org.hibernate.exception.SQLGrammarException: Unable to acquire JDBC Connection
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Could not open JPA EntityManager for transaction; nested exception is org.hibernate.exception.GenericJDBCException: Unable to acquire JDBC Connection
via Stack Overflow by Sandipan Biswas
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Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: org.hibernate.TransactionException: JDBC begin transaction failed:
via Stack Overflow by user292049
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Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: org.hibernate.TransactionException: JDBC begin transaction failed:
via Stack Overflow by emoleumassi
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Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: Could not open connection
via Stack Overflow by Othman Chahboune
, 1 year ago
Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Access denied for user ''@'localhost' to database 'stock'	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)	at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)	at com.mysql.jdbc.Util.getInstance(Util.java:387)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:942)	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3966)	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3902)	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:875)	at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1712)	at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1228)	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2253)	at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2284)	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2083)	at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:806)	at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:47)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)	at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410)	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328)	at java.sql.DriverManager.getConnection(DriverManager.java:664)	at java.sql.DriverManager.getConnection(DriverManager.java:208)	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:130)	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:35)	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:99)	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:129)	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getConnectionForTransactionManagement(LogicalConnectionManagedImpl.java:247)	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.begin(LogicalConnectionManagedImpl.java:254)	at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.begin(JdbcResourceLocalTransactionCoordinatorImpl.java:204)	at org.hibernate.engine.transaction.internal.TransactionImpl.begin(TransactionImpl.java:56)	at org.springframework.orm.jpa.DefaultJpaDialect.beginTransaction(DefaultJpaDialect.java:67)	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:380)	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373)	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:427)	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:276)	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:208)	at com.sun.proxy.$Proxy24.addEntite(Unknown Source)	at com.Barid.stockapp.test.Test.main(Test.java:23)