com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

sqoop-user | wan razali | 3 years ago
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    apache.org | 1 year ago
    com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
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    sqoop-user | 3 years ago | wan razali
    com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
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    com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

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Root Cause Analysis

  1. java.net.ConnectException

    Connection timed out

    at java.net.PlainSocketImpl.socketConnect()
  2. Java RT
    Socket.<init>
    1. java.net.PlainSocketImpl.socketConnect(Native Method)
    2. java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
    3. java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
    4. java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
    5. java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    6. java.net.Socket.connect(Socket.java:579)
    7. java.net.Socket.connect(Socket.java:528)
    8. java.net.Socket.<init>(Socket.java:425)
    9. java.net.Socket.<init>(Socket.java:241)
    9 frames
  3. MySQL jdbc
    JDBC4Connection.<init>
    1. com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:259)
    2. com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:307)
    3. com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2482)
    4. com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2519)
    5. com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2304)
    6. com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834)
    7. com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
    7 frames
  4. 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
  5. MySQL jdbc
    NonRegisteringDriver.connect
    1. com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
    2. com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:416)
    3. com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:346)
    3 frames
  6. Java RT
    DriverManager.getConnection
    1. java.sql.DriverManager.getConnection(DriverManager.java:571)
    2. java.sql.DriverManager.getConnection(DriverManager.java:215)
    2 frames
  7. org.apache.sqoop
    Sqoop.run
    1. org.apache.sqoop.manager.SqlManager.makeConnection(SqlManager.java:801)
    2. org.apache.sqoop.manager.GenericJdbcManager.getConnection(GenericJdbcManager.java:52)
    3. org.apache.sqoop.manager.SqlManager.execute(SqlManager.java:660)
    4. org.apache.sqoop.manager.SqlManager.execute(SqlManager.java:683)
    5. org.apache.sqoop.manager.SqlManager.getColumnTypesForRawQuery(SqlManager.java:240)
    6. org.apache.sqoop.manager.SqlManager.getColumnTypes(SqlManager.java:223)
    7. org.apache.sqoop.manager.ConnManager.getColumnTypes(ConnManager.java:347)
    8. org.apache.sqoop.orm.ClassWriter.getColumnTypes(ClassWriter.java:1277)
    9. org.apache.sqoop.orm.ClassWriter.generate(ClassWriter.java:1089)
    10. org.apache.sqoop.tool.CodeGenTool.generateORM(CodeGenTool.java:96)
    11. org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:396)
    12. org.apache.sqoop.tool.ImportTool.run(ImportTool.java:502)
    13. org.apache.sqoop.Sqoop.run(Sqoop.java:145)
    13 frames
  8. Hadoop
    ToolRunner.run
    1. org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
    1 frame
  9. org.apache.sqoop
    Sqoop.main
    1. org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:181)
    2. org.apache.sqoop.Sqoop.runTool(Sqoop.java:220)
    3. org.apache.sqoop.Sqoop.runTool(Sqoop.java:229)
    4. org.apache.sqoop.Sqoop.main(Sqoop.java:238)
    4 frames