java.sql.SQLException: Access denied for user 'root '@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLErro r.java:1075) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.ja va:3566) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.ja va:3498) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.ja va:919) at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java: 4004) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:12 84) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(Co nnectionImpl.java:2312) at com.mysql.jdbc.ConnectionImpl.createNewIO(Connecti onImpl.java:2122) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImp l.java:774) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connect ion.java:49) at sun.reflect.NativeConstructorAccessorImpl.newInsta nce0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInsta nce(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newI nstance(Unknown Source)

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    java.sql.SQLException: Access denied for user 'root '@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLErro r.java:1075) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.ja va:3566) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.ja va:3498) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.ja va:919) at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java: 4004) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:12 84) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(Co nnectionImpl.java:2312) at com.mysql.jdbc.ConnectionImpl.createNewIO(Connecti onImpl.java:2122) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImp l.java:774) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connect ion.java:49) at sun.reflect.NativeConstructorAccessorImpl.newInsta nce0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInsta nce(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newI nstance(Unknown Source)
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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(SQLErro r.java:1075) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.ja va:3566) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.ja va:3498) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.ja va:919) at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java: 4004) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:12 84) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(Co nnectionImpl.java:2312) at com.mysql.jdbc.ConnectionImpl.createNewIO(Connecti onImpl.java:2122) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImp l.java:774) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connect ion.java:49) at sun.reflect.NativeConstructorAccessorImpl.newInsta nce0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInsta nce(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newI nstance(Unknown Source)

      at java.lang.reflect.Constructor.newInstance()
    2. Java RT
      Constructor.newInstance
      1. java.lang.reflect.Constructor.newInstance(Unknown Source)
      1 frame