Для базы данных я использую msql server express и Microsoft sql server management studio.
для отчетности я использую Jaspersoft studio. Для подключения к базе данных я использовал драйвер SQL JDBC, все драйверы установлены, но соединение с базой данных все равно не удалось.
![](https://i.stack.imgur.com/S7PAu.png)
![enter image description here](https://i.stack.imgur.com/0Wr9l.png)
Сведения об ошибке
net.sf.jasperreports.engine.JRRuntimeException: java.lang.ClassNotFoundException: com.microsoft.sqlserver.jdbc.SQLServerDriver cannot be found by net.sf.jasperreports_6.6.0.final
at net.sf.jasperreports.data.jdbc.JdbcDataAdapterService.getConnection(JdbcDataAdapterService.java:173)
at net.sf.jasperreports.data.jdbc.JdbcDataAdapterService.contributeParameters(JdbcDataAdapterService.java:128)
at net.sf.jasperreports.data.AbstractDataAdapterService.test(AbstractDataAdapterService.java:122)
at com.jaspersoft.studio.data.wizard.AbstractDataAdapterWizard$3.runOperations(AbstractDataAdapterWizard.java:155)
at com.jaspersoft.studio.utils.jobs.CheckedRunnableWithProgress$1.run(CheckedRunnableWithProgress.java:51)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassNotFoundException: com.microsoft.sqlserver.jdbc.SQLServerDriver cannot be found by net.sf.jasperreports_6.6.0.final
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:484)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:395)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:387)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:150)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at net.sf.jasperreports.engine.util.JRClassLoader.loadClassForRealName(JRClassLoader.java:174)
at net.sf.jasperreports.data.jdbc.JdbcDataAdapterService.getConnection(JdbcDataAdapterService.java:145)