org.hibernate.HibernateException: JDBC Driver class not found: org.postgresql.Driver

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    • org.hibernate.HibernateException: JDBC Driver class not found: org.postgresql.Driver at org.hibernate.connection.DriverManagerConnectionProvider.configure(DriverManagerConnectionProvider.java:89) at org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:143) at org.hibernate.connection.ConnectionProviderFactory.newConnectionProvider(ConnectionProviderFactory.java:84) at org.hibernate.tool.hbm2ddl.ManagedProviderConnectionHelper.prepare(ManagedProviderConnectionHelper.java:51) at org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:168) at org.hibernate.tool.ant.Hbm2DDLExporterTask.execute(Hbm2DDLExporterTask.java:42) at org.hibernate.tool.ant.HibernateToolTask.execute(HibernateToolTask.java:186) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:348) at org.apache.tools.ant.Target.execute(Target.java:392) at org.apache.tools.ant.Target.performTasks(Target.java:413) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399) at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:38) at org.eclipse.ant.internal.launching.remote.EclipseSingleCheckExecutor.executeTargets(EclipseSingleCheckExecutor.java:30) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:442) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:348) at org.apache.tools.ant.Target.execute(Target.java:392) at org.apache.tools.ant.Target.performTasks(Target.java:413) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399) at org.apache.tools.ant.Project.executeTarget(Project.java:1368) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.eclipse.ant.internal.launching.remote.EclipseDefaultExecutor.executeTargets(EclipseDefaultExecutor.java:32) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.eclipse.ant.internal.launching.remote.InternalAntRunner.run(InternalAntRunner.java:424) at org.eclipse.ant.internal.launching.remote.InternalAntRunner.main(InternalAntRunner.java:138) Caused by: java.lang.ClassNotFoundException: org.postgresql.Driver at org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader.java:1365) at org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1315) at org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:1068) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:169) at org.hibernate.util.ReflectHelper.classForName(ReflectHelper.java:192) at org.hibernate.connection.DriverManagerConnectionProvider.configure(DriverManagerConnectionProvider.java:84)

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