[ https://issues.apache.org/jira/browse/FLINK-4097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrea Sella reassigned FLINK-4097: ----------------------------------- Assignee: Andrea Sella > Cassandra Sink throws NPE on closing if server is not available > --------------------------------------------------------------- > > Key: FLINK-4097 > URL: https://issues.apache.org/jira/browse/FLINK-4097 > Project: Flink > Issue Type: Bug > Components: Cassandra Connector, Streaming Connectors > Affects Versions: 1.1.0 > Reporter: Robert Metzger > Assignee: Andrea Sella > > {code} > 11:41:41,515 ERROR > org.apache.flink.streaming.connectors.cassandra.CassandraSinkBase - Error > while closing session. > java.lang.NullPointerException > at > org.apache.flink.streaming.connectors.cassandra.CassandraSinkBase.close(CassandraSinkBase.java:84) > at > org.apache.flink.api.common.functions.util.FunctionUtils.closeFunction(FunctionUtils.java:45) > at > org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.dispose(AbstractUdfStreamOperator.java:107) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.disposeAllOperators(StreamTask.java:370) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:304) > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:588) > at java.lang.Thread.run(Thread.java:745) > {code} > {code} > 11:41:43,896 ERROR org.apache.flink.runtime.taskmanager.Task > - Task execution failed. > com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) > tried for query failed (tried: /127.0.0.1:9042 > (com.datastax.driver.core.exceptions.TransportException: [/127.0.0.1] Cannot > connect)) > at > com.datastax.driver.core.ControlConnection.reconnectInternal(ControlConnection.java:231) > at > com.datastax.driver.core.ControlConnection.connect(ControlConnection.java:77) > at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1414) > at com.datastax.driver.core.Cluster.init(Cluster.java:162) > at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:333) > at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:308) > at com.datastax.driver.core.Cluster.connect(Cluster.java:250) > at > org.apache.flink.streaming.connectors.cassandra.CassandraSinkBase.open(CassandraSinkBase.java:67) > at > org.apache.flink.streaming.connectors.cassandra.CassandraPojoSink.open(CassandraPojoSink.java:48) > at > org.apache.flink.api.common.functions.util.FunctionUtils.openFunction(FunctionUtils.java:38) > at > org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.open(AbstractUdfStreamOperator.java:91) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.openAllOperators(StreamTask.java:340) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:225) > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:588) > at java.lang.Thread.run(Thread.java:745) > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)