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    This happens when you try to instantiate a class that can't be instantiated, either because the class object is abstract, an interface, an array class, a primitive type, void, or because the class has no nullary constructor.

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via Stack Overflow by eyalmar100
, 1 year ago
java.lang.InstantiationException: com.microsoft.sqlserver.jdbc.SQLServerConnection	at java.lang.Class.newInstance(Class.java:359)	at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:268)	at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:200)	at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:699)	at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:633)	at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:484)	at org.apache.tomcat.jdbc.pool.ConnectionPool.(ConnectionPool.java:142)	at org.apache.tomcat.jdbc.pool.DataSourceProxy.pCreatePool(DataSourceProxy.java:115)	at org.apache.tomcat.jdbc.pool.DataSourceProxy.createPool(DataSourceProxy.java:102)	at org.apache.tomcat.jdbc.pool.DataSourceProxy.getConnection(DataSourceProxy.java:126)	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:139)	at org.hibernate.tool.hbm2ddl.SuppliedConnectionProviderConnectionHelper.prepare(SuppliedConnectionProviderConnectionHelper.java:51)	at org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:219)	at org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:203)	at org.hibernate.internal.SessionFactoryImpl.(SessionFactoryImpl.java:522)	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1859)	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:852)	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:845)	at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.withTccl(ClassLoaderServiceImpl.java:398)	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:844)	at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:60)	at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:343)	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:318)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1625)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1562)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)	at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:956)	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:747)	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)	at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:686)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:320)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:957)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:946)	at com.ubs.Application.main(Application.java:23)