YaoHaishi created SCB-593:
-----------------------------

             Summary: Change log level to remind user to specify loadbalance 
handler
                 Key: SCB-593
                 URL: https://issues.apache.org/jira/browse/SCB-593
             Project: Apache ServiceComb
          Issue Type: Bug
          Components: Java-Chassis
    Affects Versions: java-chassis-1.0.0-m2
            Reporter: YaoHaishi
            Assignee: YaoHaishi


The loadbalance handler must be configured in consumer handler chain to choose 
provider instance.
But currently if users overwrite the handler chain configuration and forget to 
configure loadbalance handler (like below), the consumer may only print 
exception message in InvokerUtils.innerSyncInvoke() in DEBUG level. This is 
easy to be ignored and make the problem confusing.
{code:java}
servicecomb:
  handler:
    chain:
      Consumer:
        default: qps-flowcontrol-consumer
{code}




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