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    Expert tip

    If you're not using yet, consider using the SQLServerDataSource to set your server configurations. Also, check if the server is accepting TCP/IP connections and if there's no firewall blocking the connections.

Solutions on the web

via Stack Overflow by user3321551
, 1 year ago
The TCP/IP connection to the host SERVER1, port 1433 has failed. Error: "null. Verify the connection properties. Make sure that an instance of SQL Server is running on the host and accepting TCP/IP connections at the port. Make sure that TCP connections to the port are not blocked by a firewall.".
via reportserver.net by Unknown author, 2 years ago
Fehler beim Herstellen der TCP/IP-Verbindung mit dem Host '', Port 1433. Fehler: 'null. Überprüfen Sie die Verbindungseigenschaften. Stellen Sie sicher, dass eine SQL Server-Instanz auf dem Host ausgeführt wird und am Port TCP/IP-Verbindungen akzeptiert. Vergewissern Sie sich, dass am Port keine TCP-Verbindungen durch eine Firewall blockiert werden.'.
via reportserver.net by Unknown author, 1 year ago
Fehler beim Herstellen der TCP/IP-Verbindung mit dem Host '', Port 1433. Fehler: 'null. Überprüfen Sie die Verbindungseigenschaften. Stellen Sie sicher, dass eine SQL Server-Instanz auf dem Host ausgeführt wird und am Port TCP/IP-Verbindungen akzeptiert. Vergewissern Sie sich, dass am Port keine TCP-Verbindungen durch eine Firewall blockiert werden.'.
via Stack Overflow by Korken55
, 2 years ago
Fehler beim Herstellen der TCP/IP-Verbindung mit dem Host 'localhost', Port 1433. Fehler: 'Connection refused: connect. Überprüfen Sie die Verbindungseigenschaften. Stellen Sie sicher, dass eine SQL Server-Instanz auf dem Host ausgeführt wird und am
via theopentutorials.com by Unknown author, 1 year ago
The TCP/IP connection to the host localhost/Exercise, port 1433 has failed. Error: “null. Verify the connection properties. Make sure that an instance of SQL Server is running on the host and accepting TCP/IP connections at the port. Make sure that TCP connections to the port are not blocked by a firewall.”.
via theopentutorials.com by Unknown author, 2 years ago
The TCP/IP connection to the host localhost/Exercise, port 1433 has failed. Error: “null. Verify the connection properties. Make sure that an instance of SQL Server is running on the host and accepting TCP/IP connections at the port. Make sure that TCP connections to the port are not blocked by a firewall.”.
com.microsoft.sqlserver.jdbc.SQLServerException: The TCP/IP connection to the host SERVER1, port 1433 has failed. Error: "null. Verify the connection properties. Make sure that an instance of SQL Server is running on the host and accepting TCP/IP connections at the port. Make sure that TCP connections to the port are not blocked by a firewall.".	at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDriverError(SQLServerException.java:190)	at com.microsoft.sqlserver.jdbc.SQLServerException.ConvertConnectExceptionToSQLServerException(SQLServerException.java:241)	at com.microsoft.sqlserver.jdbc.SocketFinder.findSocket(IOBuffer.java:2243)	at com.microsoft.sqlserver.jdbc.TDSChannel.open(IOBuffer.java:491)	at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1309)	at com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:991)	at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:827)	at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:1012)	at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:307)	at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:200)	at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:710)	at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:644)	at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:466)	at org.apache.tomcat.jdbc.pool.ConnectionPool.(ConnectionPool.java:143)	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.engine.jdbc.internal.JdbcServicesImpl$ConnectionProviderJdbcConnectionAccess.obtainConnection(JdbcServicesImpl.java:279)	at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:124)	at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:111)	at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:234)	at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:206)	at org.hibernate.cfg.Configuration.buildTypeRegistrations(Configuration.java:1887)	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1845)	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:857)	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:850)	at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.withTccl(ClassLoaderServiceImpl.java:425)	at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:849)	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:319)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1637)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1574)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)	at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1054)	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:829)	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538)	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:760)	at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:360)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:306)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1185)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1174)	at testApplication.Application.main(Application.java:46)