I've been looking at a few similar questions but I can't seem to work out a solution for my issue. I'm using NetBeans 11.2, created an ANT Web Project and have successfully created a Derby Database which I'm now trying to access from a JSP. This is the Tomcat log when trying to access the jsp:
10-Dec-2019 13:51:54.773 SEVERE [http-nio-8080-exec-40] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [jsp] in context with path [/Einkauf] threw exception [Beim Verarbeiten von [index.jsp] ist in Zeile [20] eine Ausnahme erzeugt worden
17:
18: <h2>Kunden</h2>
19:
20: <sql:setDataSource var = "mydata"
21: driver = "org.apache.derby.jdbc.ClientDriver"
22: url = "jdbc:derby://localhost:1527/Shop"
23: user = "nutzer"
Stacktrace:] with root cause
java.lang.ClassNotFoundException: org.apache.derby.jdbc.ClientDriver
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1365)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1188)
at java.base/java.lang.Class.forName0(Native Method)
at java.base/java.lang.Class.forName(Class.java:416)
at org.apache.taglibs.standard.tag.common.sql.DataSourceWrapper.setDriverClassName(DataSourceWrapper.java:55)
at org.apache.taglibs.standard.tag.common.sql.SetDataSourceTagSupport.doStartTag(SetDataSourceTagSupport.java:111)
at org.apache.jsp.index_jsp._jspx_meth_sql_005fsetDataSource_005f0(index_jsp.java:216)
at org.apache.jsp.index_jsp._jspService(index_jsp.java:152)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:477)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:526)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:860)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1591)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.base/java.lang.Thread.run(Thread.java:830)
I've already added the derbyclient.jar to the libraries, I also copied it into the web-inf\\lib directory, still the same error message. This is my index.jsp:
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<%@ taglib uri = "http://java.sun.com/jsp/jstl/core" prefix = "c" %>
<%@ taglib uri = "http://java.sun.com/jsp/jstl/sql" prefix = "sql" %>
<html>
<head>
<title>Shopdatenbank</title>
</head>
<body>
<h1>Shopdatenbank</h1>
<h2>Kunden</h2>
<sql:setDataSource var = "mydata"
driver = "org.apache.derby.jdbc.ClientDriver"
url = "jdbc:derby://localhost:1527/Shop"
user = "nutzer"
password = "passwort"
scope = "session"/>
<sql:query var="result" dataSource="${mydata}">
SELECT * FROM Kunde;
</sql:query>
<table border="1" width="100%">
<tr>
<th>KID</th>
<th>Name</th>
<th>Strasse</th>
<th>PLZ</th>
<th>Ort</th>
</tr>
<c:forEach items="${result.rows}" var="kunden">
<tr>
<td>
<c:out value="${kunden.kid}"/>
</td>
<td>
<c:out value="${kunden.name}"/>
</td>
<td>
<c:out value="${kunden.strasse}"/>
</td>
<td>
<c:out value="${kunden.plz}"/>
</td>
<td>
<c:out value="${kunden.ort}"/>
</td>
</tr>
</c:forEach>
</table>
</body>
</html>
Am I still missing something?
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