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Anonymous
Not applicable

Cassandra Connection

I have installed Cassandra DataStax  Community  and able to query using CQL shell.
when i try to create connection am getting below error
Connection failed!
  org.talend.repository.nosql.exceptions.NoSQLServerException: org.talend.repository.nosql.exceptions.NoSQLReflectionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: /127.0.0.1:9042 (com.datastax.driver.core.ConnectionException: Unexpected error during transport initialization (com.datastax.driver.core.TransportException: Unexpected exception triggered (java.lang.IndexOutOfBoundsException: Not enough readable bytes - Need 4, maximum is 0))))
      at org.talend.repository.nosql.db.handler.cassandra.CassandraMetadataHandler.checkConnection(CassandraMetadataHandler.java:91)
      at org.talend.repository.nosql.db.provider.cassandra.CassandraMetadataProvider.checkConnection(CassandraMetadataProvider.java:128)
      at org.talend.repository.nosql.ui.common.AbstractNoSQLConnForm$1.widgetSelected(AbstractNoSQLConnForm.java:141)
      at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248)
      at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
      at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353)
      at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
      at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172)
      at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)
      at org.eclipse.jface.window.Window.runEventLoop(Window.java:832)
      at org.eclipse.jface.window.Window.open(Window.java:808)
      at org.talend.repository.nosql.action.CreateNoSQLConnectionAction.doRun(CreateNoSQLConnectionAction.java:91)
      at org.talend.repository.ui.actions.AContextualAction$2.run(AContextualAction.java:632)
      at org.talend.repository.RepositoryWorkUnit.executeRun(RepositoryWorkUnit.java:99)
      at org.talend.core.repository.model.AbstractRepositoryFactory.executeRepositoryWorkUnit(AbstractRepositoryFactory.java:258)
      at org.talend.repository.localprovider.model.LocalRepositoryFactory.executeRepositoryWorkUnit(LocalRepositoryFactory.java:3217)
      at org.talend.core.repository.model.ProxyRepositoryFactory.executeRepositoryWorkUnit(ProxyRepositoryFactory.java:2024)
      at org.talend.repository.ui.actions.AContextualAction.run(AContextualAction.java:641)
      at org.eclipse.jface.action.Action.runWithEvent(Action.java:519)
      at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:595)
      at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:511)
      at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:420)
      at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
      at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4353)
      at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1061)
      at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4172)
      at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)
      at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
      at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
      at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)
      at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)
      at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)
      at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
      at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)
      at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
      at org.talend.rcp.intro.Application.start(Application.java:197)
      at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
      at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
      at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
      at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
      at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648)
      at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
      at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
  Caused by: org.talend.repository.nosql.exceptions.NoSQLReflectionException: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: /127.0.0.1:9042 (com.datastax.driver.core.ConnectionException: Unexpected error during transport initialization (com.datastax.driver.core.TransportException: Unexpected exception triggered (java.lang.IndexOutOfBoundsException: Not enough readable bytes - Need 4, maximum is 0))))
      at org.talend.repository.nosql.reflection.NoSQLReflection$WrapException.wrap(NoSQLReflection.java:97)
      at org.talend.repository.nosql.reflection.NoSQLReflection.invokeMethod(NoSQLReflection.java:68)
      at org.talend.repository.nosql.db.handler.cassandra.CassandraMetadataHandler.checkConnection(CassandraMetadataHandler.java:87)
      ... 47 more
  Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: /127.0.0.1:9042 (com.datastax.driver.core.ConnectionException: Unexpected error during transport initialization (com.datastax.driver.core.TransportException: Unexpected exception triggered (java.lang.IndexOutOfBoundsException: Not enough readable bytes - Need 4, maximum is 0))))
      at com.datastax.driver.core.ControlConnection.reconnectInternal(ControlConnection.java:193)
      at com.datastax.driver.core.ControlConnection.connect(ControlConnection.java:79)
      at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1148)
      at com.datastax.driver.core.Cluster.init(Cluster.java:149)
      at com.datastax.driver.core.Cluster.connect(Cluster.java:225)
      at com.datastax.driver.core.Cluster.connect(Cluster.java:258)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.talend.core.utils.ReflectionUtils.invokeMethod(ReflectionUtils.java:166)
      at org.talend.repository.nosql.reflection.NoSQLReflection$3.toDo(NoSQLReflection.java:65)
      at org.talend.repository.nosql.reflection.NoSQLReflection$WrapException.wrap(NoSQLReflection.java:95)
      ... 49 more
Please help me on resolve this
Labels (3)
10 Replies
Anonymous
Not applicable
Author

Hello,

Have you already applied latest Studio patch?

https://help.talend.com/r/Y4A7UCi5UQ6L~TM9zC28Og/a_Xq~Uq1v2IaovR_p7K6sQ

Best regards

Sabrina