Spring Retry - create strategy

retryTemplate.java

        /*
            We want to retry on IOException only.
            Other Exceptions won't be retried.
            IOException will be retried three times, counting the initial attempt.
         */
        final ExceptionClassifierRetryPolicy exRetryPolicy = new ExceptionClassifierRetryPolicy();
        exRetryPolicy.setPolicyMap(new HashMap<Class<? extends Throwable>, RetryPolicy>() {{
            put(IOException.class, new SimpleRetryPolicy(3));
            put(Exception.class, new NeverRetryPolicy());
        }});
        retryTemplate.setRetryPolicy(exRetryPolicy);