JavaWeb informa de un error al conectarse a la base de datos de SQLServer a través de JDBC (java.lang.NoClassDefFoundError: javax / xml / bind / DatatypeConverter)

Java se conecta a la base de datos SQL Server 2017 a través de JDBC

descargar sqljdbc42.jar:

https://blog.csdn.net/liurui50/article/details/88871871

Después de completar lo anterior, escribí el código para probar la conexión de la base de datos, ¡y el resultado fue el siguiente error!

Se informa del siguiente error al utilizar la base de datos:

HTTP状态 500 - 内部服务器错误
        类型 异常报告
        消息 Servlet执行抛出一个异常
        描述 服务器遇到一个意外的情况，阻止它完成请求。
        例外情况
        javax.servlet.ServletException: Servlet执行抛出一个异常
        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
        根本原因。
        java.lang.NoClassDefFoundError: javax/xml/bind/DatatypeConverter
        com.microsoft.sqlserver.jdbc.SQLServerConnection.sendLogon(SQLServerConnection.java:4098)
        com.microsoft.sqlserver.jdbc.SQLServerConnection.logon(SQLServerConnection.java:3160)
        com.microsoft.sqlserver.jdbc.SQLServerConnection.access$100(SQLServerConnection.java:43)
        com.microsoft.sqlserver.jdbc.SQLServerConnection$LogonCommand.doExecute(SQLServerConnection.java:3123)
        com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:7505)
        com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:2445)
        com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1981)
        com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:1628)
        com.microsoft.sqlserver.jdbc.SQLServerConnection.connectInternal(SQLServerConnection.java:1459)
        com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:773)
        com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:1168)
        java.sql/java.sql.DriverManager.getConnection(DriverManager.java:677)
        java.sql/java.sql.DriverManager.getConnection(DriverManager.java:228)
        api.shopGet.doGet(shopGet.java:32)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:626)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
        根本原因。

        java.lang.ClassNotFoundException: javax.xml.bind.DatatypeConverter
        org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1358)
        org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1180)
        com.microsoft.sqlserver.jdbc.SQLServerConnection.sendLogon(SQLServerConnection.java:4098)
        com.microsoft.sqlserver.jdbc.SQLServerConnection.logon(SQLServerConnection.java:3160)
        com.microsoft.sqlserver.jdbc.SQLServerConnection.access$100(SQLServerConnection.java:43)
        com.microsoft.sqlserver.jdbc.SQLServerConnection$LogonCommand.doExecute(SQLServerConnection.java:3123)
        com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:7505)
        com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:2445)
        com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1981)
        com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:1628)
        com.microsoft.sqlserver.jdbc.SQLServerConnection.connectInternal(SQLServerConnection.java:1459)
        com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:773)
        com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:1168)
        java.sql/java.sql.DriverManager.getConnection(DriverManager.java:677)
        java.sql/java.sql.DriverManager.getConnection(DriverManager.java:228)
        api.shopGet.doGet(shopGet.java:32)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:626)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

Solución:

dependencies>
        <!--添加下面依赖-->
        <dependency>
            <groupId>javax.xml.bind</groupId>
            <artifactId>jaxb-api</artifactId>
            <version>2.3.0</version>
        </dependency>
        <dependency>
            <groupId>com.sun.xml.bind</groupId>
            <artifactId>jaxb-impl</artifactId>
            <version>2.3.0</version>
        </dependency>
        <dependency>
            <groupId>com.sun.xml.bind</groupId>
            <artifactId>jaxb-core</artifactId>
            <version>2.3.0</version>
        </dependency>
        <dependency>
            <groupId>javax.activation</groupId>
            <artifactId>activation</artifactId>
            <version>1.1.1</version>
        </dependency>
    </dependencies>

---

¡problema resuelto!