java.lang.RuntimeException: Failed to connect to database

GitHub | nona89 | 4 months ago
  1. 0

    Mysql Tomcat java.sql.SQLException - Spring Forum

    spring.io | 2 years ago
    java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: NO)
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    java - Porque o código do Hibernate no Eclipse não se conecta a Base de Dados MySQL?

    com.br | 1 year ago
    java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: NO)
  4. 0

    JDBC / MYSQL: java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: NO)

    Stack Overflow | 5 years ago | user994165
    java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: NO)

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Root Cause Analysis

  1. java.sql.SQLException

    Access denied for user 'root'@'localhost' (using password: NO)

    at com.mysql.jdbc.SQLError.createSQLException()
  2. MySQL jdbc
    JDBC4Connection.<init>
    1. com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1074)
    2. com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4096)
    3. com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4028)
    4. com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:919)
    5. com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1694)
    6. com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1244)
    7. com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2412)
    8. com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2445)
    9. com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2230)
    10. com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:813)
    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(NativeConstructorAccessorImpl.java:57)
    3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4. java.lang.reflect.Constructor.newInstance(Constructor.java:526)
    4 frames
  4. MySQL jdbc
    NonRegisteringDriver.connect
    1. com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
    2. com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:399)
    3. com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:334)
    3 frames
  5. Java RT
    DriverManager.getConnection
    1. java.sql.DriverManager.getConnection(DriverManager.java:571)
    2. java.sql.DriverManager.getConnection(DriverManager.java:215)
    2 frames
  6. com.oltpbenchmark.api
    Worker.<init>
    1. com.oltpbenchmark.api.BenchmarkModule.makeConnection(BenchmarkModule.java:107)
    2. com.oltpbenchmark.api.Worker.<init>(Worker.java:82)
    2 frames
  7. com.oltpbenchmark.benchmarks
    TPCCBenchmark.makeWorkersImpl
    1. com.oltpbenchmark.benchmarks.tpcc.TPCCWorker.<init>(TPCCWorker.java:67)
    2. com.oltpbenchmark.benchmarks.tpcc.TPCCBenchmark.createTerminals(TPCCBenchmark.java:125)
    3. com.oltpbenchmark.benchmarks.tpcc.TPCCBenchmark.makeWorkersImpl(TPCCBenchmark.java:60)
    3 frames
  8. com.oltpbenchmark.api
    BenchmarkModule.makeWorkers
    1. com.oltpbenchmark.api.BenchmarkModule.makeWorkers(BenchmarkModule.java:210)
    1 frame
  9. com.oltpbenchmark
    DBWorkload.main
    1. com.oltpbenchmark.DBWorkload.runWorkload(DBWorkload.java:698)
    2. com.oltpbenchmark.DBWorkload.main(DBWorkload.java:547)
    2 frames