java.lang.RuntimeException: connection could not be initialized.

GitHub | amouhoub | 2 years ago
  1. 0

    Queries are not executed

    GitHub | 2 years ago | amouhoub
    java.lang.RuntimeException: connection could not be initialized.
  2. 0

    Server error

    GitHub | 4 years ago | howy7214
    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.
  3. 0

    [Critical] Plugin causes critical errors in iConomy (+ Vault)

    GitHub | 2 years ago | Matmorcat
    com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure and...
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  5. 0

    error while connecting db from a different machine

    pentaho.com | 11 months ago
    org.pentaho.di.core.exception.KettleDatabaseException: Error occured while trying to connect to the database Error connecting to database: (using class org.gjt.mm.mysql.Driver) 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.
  6. 0

    VMware KB: VMware Continuent fails with the error: Cannot assign requested address

    vmware.com | 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.

  1. abrazeneb 15 times, last 3 months ago
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Root Cause Analysis

  1. java.net.NoRouteToHostException

    No route to host

    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:258)
    2. com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:306)
    3. com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2504)
    4. com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2541)
    5. com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2323)
    6. com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:832)
    7. com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
    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:408)
    2. com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:417)
    3. com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344)
    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.aksw.autosparql
    MainView$11.run
    1. org.aksw.autosparql.commons.metric.SPARQLEndpointMetrics.getDefaultReadOnlyConnection(SPARQLEndpointMetrics.java:94)
    2. org.aksw.autosparql.commons.metric.SPARQLEndpointMetrics.getDbpediaMetrics(SPARQLEndpointMetrics.java:68)
    3. org.aksw.autosparql.tbsl.algorithm.learning.ranking.SimpleRankingComputation.createFeatureExtractors(SimpleRankingComputation.java:131)
    4. org.aksw.autosparql.tbsl.algorithm.learning.ranking.SimpleRankingComputation.computeRanking(SimpleRankingComputation.java:78)
    5. org.aksw.autosparql.tbsl.algorithm.learning.TBSL.answerQuestion(TBSL.java:198)
    6. org.aksw.autosparql.tbsl.algorithm.learning.TBSL.answerQuestion(TBSL.java:156)
    7. org.aksw.autosparql.tbsl.gui.vaadin.TBSLManager.answerQuestion(TBSLManager.java:340)
    8. org.aksw.autosparql.tbsl.gui.vaadin.view.MainView$11.run(MainView.java:504)
    8 frames
  8. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:744)
    1 frame