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I am using eclipse photon and i am getting error 500, i have got some solution but not for my specific problem,that is-

java.lang.NoClassDefFoundError: java/sql/Driver

i dont understand how to remove java/sql/Driver type of error.

Here is my Error-

HTTP Status 500 – Internal Server Error


Type Exception Report

Message Servlet execution threw an exception

Description The server encountered an unexpected condition that prevented it from fulfilling the request.  

Exception



     javax.servlet.ServletException:      Servlet execution threw an exception


    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)


Root Cause      





java.lang.NoClassDefFoundError: java/sql/Driver


    java.base/java.lang.ClassLoader.findBootstrapClass(Native Method)


    java.base/java.lang.ClassLoader.findBootstrapClassOrNull(Unknown Source)


    java.base/java.lang.System$2.findBootstrapClassOrNull(Unknown Source)


    java.base/jdk.internal.loader.ClassLoaders$BootClassLoader.loadClassOrNull(Unknown Source)


    java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(Unknown Source)


    java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(Unknown Source)


    java.base/java.lang.ClassLoader.loadClass(Unknown Source)


org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1247)


org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1157)




     java.base/java.lang.Class.forName0(Native Method)


    java.base/java.lang.Class.forName(Unknown Source)


    com.login.LoginCDao.getLoginC(LoginCDao.java:12)


    com.login.GetLogin.doGet(GetLogin.java:23)


`javax.servlet.http.HttpServlet.service(HttpServlet.java:634`)


    javax.servlet.http.HttpServlet.service(HttpServlet.java:741)


    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)



Note The full stack trace of the root cause is available in the server logs.


Apache Tomcat/9.0.13
TrebledJ
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1 Answers1

0

Make sure you have driver jar set in classpath properly. For instance mysql-connector in case you are using mysql.

In case of oracle, Download the appropriate ojdbc6.jar JDBC driver file for your database version here

Dark Knight
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