According to Stackoverflow (https://stackoverflow.com/questions/13269564/java-lang-classcastexception-oracle-sql-timestamp-cannot-be-cast-to-java-sql-ti) setting the system property accordingly should work.

Maybe you can share how you do it?

Regards,
Timo


Am 1/22/18 um 11:45 AM schrieb Puneet Kinra:
I am getting this issue while reading from the database using jdbc connector , can you guide me how to read from there as  a string or may mapped to another type while reading from the database

On Mon, Jan 22, 2018 at 4:12 PM, Timo Walther <twal...@apache.org <mailto:twal...@apache.org>> wrote:

    Hi Puneet,

    Flink SQL does only supports java.sql.Timestamp. You need to
    convert it in a user-defined function or map function accordingly.

    Regards,
    Timo



    Am 1/22/18 um 11:38 AM schrieb Puneet Kinra:
    Hi
    I am getting the above error when deployed to the cluster ,trying
    to set the System Property but not getting reflected inside the jobs.

    I need to schedule the job as well on periodic basis , i was
    thinking of calling the
    jar from the CLI & put into script & schedule using cron job in
    linux

    but stuck with the below issue.


    java.lang.ClassCastException: oracle.sql.TIMESTAMP cannot be cast
    to java.sql.Timestamp
            at
    
org.apache.flink.api.common.typeutils.base.SqlTimestampSerializer.serialize(SqlTimestampSerializer.java:27)
            at
    
org.apache.flink.api.java.typeutils.runtime.RowSerializer.serialize(RowSerializer.java:160)
            at
    
org.apache.flink.api.java.typeutils.runtime.RowSerializer.serialize(RowSerializer.java:46)
            at
    
org.apache.flink.runtime.plugable.SerializationDelegate.write(SerializationDelegate.java:54)
            at org.apache.flink.runtime.io
    
<http://org.apache.flink.runtime.io>.network.api.serialization.SpanningRecordSerializer.addRecord(SpanningRecordSerializer.java:93)
            at org.apache.flink.runtime.io
    
<http://org.apache.flink.runtime.io>.network.api.writer.RecordWriter.sendToTarget(RecordWriter.java:114)
            at org.apache.flink.runtime.io
    
<http://org.apache.flink.runtime.io>.network.api.writer.RecordWriter.emit(RecordWriter.java:89)
            at
    
org.apache.flink.runtime.operators.shipping.OutputCollector.collect(OutputCollector.java:65)
            at
    
org.apache.flink.runtime.operators.util.metrics.CountingCollector.collect(CountingCollector.java:35)
            at
    
org.apache.flink.runtime.operators.DataSourceTask.invoke(DataSourceTask.java:168)
            at
    org.apache.flink.runtime.taskmanager.Task.run(Task.java:718)
            at java.lang.Thread.run(Unknown Source)

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