title: Readiness probe failed: HTTP probe failed with statuscode: 503 in ISTIO
body: <p>I have deployed istio service mesh in my AKS cluster. i have ui and backend services both configured in istio for service communication. i am able to invoke backend service through istio, and no problem in accessing my backend services.</p>
  
  <p>But i am facing issue in test-ui pod, when i see pod status </p>
  
  <pre><code>NAME                                  READY   STATUS    RESTARTS   AGE
  Test-api-deployment-59f6c6f67-ml4xm   2/2     Running   0          3d21h
  Test-ui-deployment-b54fd89b-2ndsv     1/2     Running   0          52m
  </code></pre>
  
  <p>In above status, my ui pod , one of my istio container is not in ready state to serve my request.. when i looked into the container state, i get below error..</p>
  
  <pre><code>Warning  Unhealthy  2m24s (x299 over 12m)  kubelet, aks-wmsdevk8s-25812762-4  
  Readiness probe failed: HTTP probe failed with statuscode: 503
  </code></pre>
  
  <p>i see it an open issue <a href="https://github.com/istio/istio/issues/12446" rel="nofollow noreferrer">issue in github</a>.. is there any workaround for this...</p>
  
  <p>EDIT</p>
  
  <p>my istio version</p>
  
  <blockquote>
    <p>version.BuildInfo{Version:"1.1.5",
    GitRevision:"9b6d31b74d1c0cc9358cc82d395b53f71393326b", User:"root",
    Host:"3e29fde4-6c3f-11e9-b00d-0a580a2c0205", GolangVersion:"go1.10.4",
    DockerHub:"docker.io/istio", BuildStatus:"Clean",
    GitTag:"1.1.4-10-g9b6d31b"}</p>
  </blockquote>
  
  <pre><code>istio proxy version -   Image:         docker.io/istio/proxyv2:1.1.2
  </code></pre>