public class Writer extends AmqpItemWriter<CsvWrapperPojo> {

    @Autowired
     @Qualifier("rabbitTemplate")
     private RabbitTemplate rabbitTemplate;

    public Writer(AmqpTemplate rabbitTemplate) {
        super(rabbitTemplate);
        // TODO Auto-generated constructor stub
    }

    /*@Autowired
    private CSVPostProcess csvPostProcess;*/


    @Override
    public void write(final List<? extends CsvWrapperPojo> items) throws Exception {
        // TODO Auto-generated method stub

        for(CsvWrapperPojo item : items){



            for(CSVPojo pojo :item.getGeneralPojoList()){

            rabbitTemplate.convertAndSend("spring-boot-rabbitmq-BulkSolve.async_BulkSolve_Msg", "BulkSolve_GeneralrequestQueue", pojo);
            }
            for(CSVPojo pojoSummary : item.getSummaryPojoList()){
                rabbitTemplate.convertAndSend("spring-boot-rabbitmq-BulkSolve_summary.async_BulkSolve_Msg", "BulkSolve_SummaryrequestQueue", pojoSummary);
            }
        }

    }



}```

Below is application.properties
===========================

server.port=9060
spring.rabbitmq.dynamic=true
spring.rabbitmq.port=5672
spring.rabbitmq.username=guest
spring.rabbitmq.password=guest
spring.rabbitmq.host=xxx.xx.xx.xxx(Remote machine IP)
spring.batch.job.enabled=false



I have Rabbitmq installed and same queue is available on Remote machine too. But It seems authentication is not happening here. Below is my exception stack trace. Can any one suggest what need to do to publish message to remote machine.

```java.net.SocketException: Socket Closed
        at java.net.SocketInputStream.socketRead0(Native Method) ~[na:1.8.0_131]
        at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) ~[na:1.8.0_131]
        at java.net.SocketInputStream.read(SocketInputStream.java:171) ~[na:1.8.0_131]
        at java.net.SocketInputStream.read(SocketInputStream.java:141) ~[na:1.8.0_131]
        at java.io.BufferedInputStream.fill(BufferedInputStream.java:246) ~[na:1.8.0_131]
        at java.io.BufferedInputStream.read(BufferedInputStream.java:265) ~[na:1.8.0_131]
        at java.io.DataInputStream.readUnsignedByte(DataInputStream.java:288) ~[na:1.8.0_131]
        at com.rabbitmq.client.impl.Frame.readFrom(Frame.java:91) ~[amqp-client-4.0.3.jar!/:4.0.3]
        at com.rabbitmq.client.impl.SocketFrameHandler.readFrame(SocketFrameHandler.java:164) ~[amqp-client-4.0.3.jar!/:4.0.3]
        at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:571) ~[amqp-client-4.0.3.jar!/:4.0.3]
        at java.lang.Thread.run(Thread.java:748) [na:1.8.0_131]

2019-05-16 15:56:41.683 ERROR 696 --- [nio-9060-exec-1] o.s.batch.core.step.AbstractStep         : Encountered an error executing step ETL-CSV in job ETL

org.springframework.amqp.AmqpAuthenticationException: com.rabbitmq.client.AuthenticationFailureException: ACCESS_REFUSED - Login was refused using authentication mechanism PLAIN. For details see the broker logfile.
        at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:65) ~[spring-rabbit-1.7.4.RELEASE.jar!/:na]
        at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:368) ~[spring-rabbit-1.7.4.RELEASE.jar!/:na]
        at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:573) ~[spring-rabbit-1.7.4.RELEASE.jar!/:na]
        at org.springframework.amqp.rabbit.core.RabbitTemplate.doExecute(RabbitTemplate.java:1430) ~[spring-rabbit-1.7.4.RELEASE.jar!/:na]
        at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:1411) ~[spring-rabbit-1.7.4.RELEASE.jar!/:na]
        at org.springframework.amqp.rabbit.core.RabbitTemplate.send(RabbitTemplate.java:712) ~[spring-rabbit-1.7.4.RELEASE.jar!/:na]
        at org.springframework.amqp.rabbit.core.RabbitTemplate.convertAndSend(RabbitTemplate.java:780) ~[spring-rabbit-1.7.4.RELEASE.jar!/:na]
        at org.springframework.amqp.rabbit.core.RabbitTemplate.convertAndSend(RabbitTemplate.java:776) ~[spring-rabbit-1.7.4.RELEASE.jar!/:na]
        at com.comcast.FileProcess.Batch.Writer.write(Writer.java:47) ~[classes!/:0.0.1-SNAPSHOT]
        at org.springframework.batch.core.step.item.SimpleChunkProcessor.writeItems(SimpleChunkProcessor.java:175) ~[spring-batch-core-3.0.8.RELEASE.jar!/:3.0.8.RELEASE]
        at org.springframework.batch.core.step.item.SimpleChunkProcessor.doWrite(SimpleChunkProcessor.java:151) ~[spring-batch-core-3.0.8.RELEASE.jar!/:3.0.8.RELEASE]
        at org.springframework.batch.core.step.item.SimpleChunkProcessor.write(SimpleChunkProcessor.java:274) ~[spring-batch-core-3.0.8.RELEASE.jar!/:3.0.8.RELEASE]
        at org.springframework.batch.core.step.item.SimpleChunkProcessor.process(SimpleChunkProcessor.java:199) ~[spring-batch-core-3.0.8.RELEASE.jar!/:3.0.8.RELEASE]
        at org.springframework.batch.core.step.item.ChunkOrientedTasklet.execute(ChunkOrientedTasklet.java:75) ~[spring-batch-core-3.0.8.RELEASE.jar!/:3.0.8.RELEASE]
        at org.springframework.batch.core.step.tasklet.TaskletStep$ChunkTransactionCallback.doInTransaction(TaskletStep.java:406) ~[spring-batch-core-3.0.8.RELEASE.jar!/:3.0.8.RELEASE]
        at org.springframework.batch.core.step.tasklet.TaskletStep$ChunkTransactionCallback.doInTransaction(TaskletStep.java:330) ~[spring-batch-core-3.0.8.RELEASE.jar!/:3.0.8.RELEASE]```