i get exception when the servlet trys to connect to oracle816 db. my servlet
runs in jws2.
Connection
conn=DriverManager.getConnection("jdbc:oracle:thin:@127.0.0.1:1521:firstdb","scott","tiger");
the following is the stack trace of the
exception:java.lang.ClassNotFoundException: Unable to find class
java.util.Map
at java.lang.Throwable.<init>(Compiled Code)
at java.lang.Exception.<init>(Compiled Code)
at java.lang.ClassNotFoundException.<init>(Compiled Code)
at com.sun.server.loader.DirectoryClassLoader.getClassFromLocalDir(Compiled
Code)
at com.sun.server.loader.DirectoryClassLoader.loadRequestedClass(Compiled
Code)
at com.sun.server.loader.URLClassLoader.loadRequestedClass(Compiled Code)
at com.sun.server.loader.JarClassLoader.loadRequestedClass(Compiled Code)
at com.sun.server.loader.ServletClassLoader.loadClass(Compiled Code)
at com.sun.server.loader.ServletClassLoader.loadClass(Compiled Code)
at com.sun.server.loader.JarClassLoader.loadClass(Compiled Code)
at java.lang.ClassLoader.loadClassInternal(Compiled Code)
at oracle.jdbc.driver.OracleDriver.getConnectionInstance(Compiled Code)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:224)
at java.sql.DriverManager.getConnection(Compiled Code)
at java.sql.DriverManager.getConnection(DriverManager.java:126)
at DBTest.doGet(DBTest.java:21)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:715)
at javax.servlet.http.HttpServlet.service(Compiled Code)
at com.sun.server.ServletState.callService(Compiled Code)
at com.sun.server.ServletManager.callServletService(Compiled Code)
at com.sun.server.http.servlet.InvokerServlet.service(Compiled Code)
at javax.servlet.http.HttpServlet.service(Compiled Code)
at com.sun.server.ServletState.callService(Compiled Code)
at com.sun.server.ServletManager.callServletService(Compiled Code)
at com.sun.server.ProcessingState.invokeTargetServlet(Compiled Code)
at com.sun.server.http.HttpProcessingState.execute(Compiled Code)
at com.sun.server.http.stages.Runner.process(Compiled Code)
at com.sun.server.ProcessingSupport.process(Compiled Code)
at com.sun.server.Service.process(Compiled Code)
at com.sun.server.http.HttpServiceHandler.handleRequest(Compiled Code)
at com.sun.server.http.HttpServiceHandler.handleRequest(Compiled Code)
at com.sun.server.HandlerThread.run(Compiled Code)
but java.util.Map is not used in my servlet, it looks like the exception
comes from the inside of oracle driver.
why???
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