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Root Cause Analysis

  1. java.sql.SQLException

    Access denied for user 'username'@'localhost' (using password: YES)

    at com.mysql.jdbc.SQLError.createSQLException()
  2. MySQL jdbc
    JDBC4Connection.<init>
    1. com.mysql.jdbc.SQLError.createSQLException(SQLError.java:963)
    2. com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3966)
    3. com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3902)
    4. com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:875)
    5. com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1712)
    6. com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1228)
    7. com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2253)
    8. com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2284)
    9. com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2083)
    10. com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:806)
    11. com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
    11 frames
  3. Java RT
    Constructor.newInstance
    1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    2. sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    4. java.lang.reflect.Constructor.newInstance(Unknown Source)
    4 frames
  4. MySQL jdbc
    NonRegisteringDriver.connect
    1. com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
    2. com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410)
    3. com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328)
    3 frames
  5. Java RT
    DriverManager.getConnection
    1. java.sql.DriverManager.getConnection(Unknown Source)
    2. java.sql.DriverManager.getConnection(Unknown Source)
    2 frames
  6. com.simpleWebApplication.servlet
    RegisterServlet.doPost
    1. com.simpleWebApplication.servlet.RegisterServlet.doPost(RegisterServlet.java:47)
    1 frame
  7. JavaServlet
    HttpServlet.service
    1. javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
    2. javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    2 frames
  8. Glassfish Core
    ApplicationFilterChain.doFilter
    1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
    2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    2 frames
  9. Tomcat WS
    WsFilter.doFilter
    1. org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    1 frame
  10. Glassfish Core
    CoyoteAdapter.service
    1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
    4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
    5. org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
    6. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
    7. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
    8. org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
    9. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
    10. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:442)
    10 frames
  11. Grizzly HTTP
    JIoEndpoint$SocketProcessor.run
    1. org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1082)
    2. org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:623)
    3. org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
    3 frames
  12. Java RT
    ThreadPoolExecutor$Worker.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    2 frames
  13. Tomcat Util
    TaskThread$WrappingRunnable.run
    1. org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    1 frame
  14. Java RT
    Thread.run
    1. java.lang.Thread.run(Unknown Source)
    1 frame