java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES)

zuidaima.com | 8 months ago
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Root Cause Analysis

  1. java.sql.SQLException

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

    at com.mysql.jdbc.SQLError.createSQLException()
  2. MySQL jdbc
    NonRegisteringDriver.connect
    1. com.mysql.jdbc.SQLError.createSQLException(SQLError.java:946)
    2. com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2985)
    3. com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:885)
    4. com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:3421)
    5. com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1247)
    6. com.mysql.jdbc.Connection.createNewIO(Connection.java:2775)
    7. com.mysql.jdbc.Connection.<init>(Connection.java:1555)
    8. com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285)
    8 frames
  3. Java RT
    DriverManager.getConnection
    1. java.sql.DriverManager.getConnection(DriverManager.java:571)
    2. java.sql.DriverManager.getConnection(DriverManager.java:215)
    2 frames
  4. MyBlog.util
    DbOption.executeQuery
    1. MyBlog.util.DbOption.createConnection(DbOption.java:35)
    2. MyBlog.util.DbOption.executeQuery(DbOption.java:72)
    2 frames
  5. MyBlog.Dao
    UserDao.FindPass
    1. MyBlog.Dao.UserDao.FindPass(UserDao.java:54)
    1 frame
  6. MyBlog.Controller
    LoginServlet.doPost
    1. MyBlog.Controller.LoginServlet.isLogin(LoginServlet.java:54)
    2. MyBlog.Controller.LoginServlet.doPost(LoginServlet.java:35)
    2 frames
  7. JavaServlet
    HttpServlet.service
    1. javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
    2. javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
    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
    ApplicationFilterChain.doFilter
    1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    2 frames
  11. UrlRewriteFilter
    UrlRewriteFilter.doFilter
    1. org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
    2. org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
    3. org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
    4. org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:394)
    4 frames
  12. Glassfish Core
    ApplicationFilterChain.doFilter
    1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
    2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
    2 frames
  13. MyBlog.filter
    ChangeEncodeFilter.doFilter
    1. MyBlog.filter.ChangeEncodeFilter.doFilter(ChangeEncodeFilter.java:34)
    1 frame
  14. 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:220)
    4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
    5. org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)
    6. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
    7. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
    8. org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
    9. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
    10. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)
    10 frames
  15. Grizzly HTTP
    AprEndpoint$SocketProcessor.run
    1. org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
    2. org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
    3. org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2466)
    4. org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2455)
    4 frames
  16. Java RT
    ThreadPoolExecutor$Worker.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    2 frames
  17. Tomcat Util
    TaskThread$WrappingRunnable.run
    1. org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    1 frame
  18. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:744)
    1 frame