Getting FlinkRuntime Exception during oracle exactly once jdbc sink

Question

I have configured exactly once Jdbc oracle sink in my Flink Streaming application. I followed flink doumentation and coded accordingly. But getting below exception.

FlinkRuntimeException:unable to recover , error -3: resource manager error has occurred. [null]
   at org.apache.connector.jdbc.xa.XaFacadeImpl.wrapException(XaFacadeImpl.java: 369)

Code:

SinkFuntion<F> jdbcSink = JdbcSink.exactlyOnceSink(query, statementBuilder, jdbcOptions, jdbcExactlyOnceOptions, () -> {
oracle.jdbc.xa.OracleXADataSource source = new oracle.jdbc.xa.OracleXADataSource();
source.setURL(..);
source.setUser(..);
----
return source;
});

I expected to work as mentioned but getting runtime exception