We have configured HTTP proxy properties in local.properties file. Even after adding these details, we are facing an Issue with Live invocation step while connecting to an external service via Proxy. Getting below error

Message: Our proxy CONNECT request failed with a code of 400, text: Host header is null
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| Trapped Exception: Our proxy CONNECT request failed with a code of 400, text: Host header is null
| Trapped Message: java.io.IOException: Our proxy CONNECT request failed with a code of 400, text: Host header is null
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STACK TRACE
java.io.IOException: Our proxy CONNECT request failed with a code of 400, text: Host header is null
at com.itko.lisa.vse.stateful.protocol.http.HttpLiveInvocationStep.handleConnectMessage(HttpLiveInvocationStep.java:537)
at com.itko.lisa.vse.stateful.protocol.http.HttpLiveInvocationStep.access$100(HttpLiveInvocationStep.java:71)
at com.itko.lisa.vse.stateful.protocol.http.HttpLiveInvocationStep$Owner.connectionEstablished(HttpLiveInvocationStep.java:1153)
at com.itko.lisa.utils.VSESocketManager.noteConnectionEstablished(VSESocketManager.java:172)
at com.itko.lisa.utils.VSESocketManager.openSocket(VSESocketManager.java:136)
at com.itko.lisa.vse.stateful.protocol.http.HttpLiveInvocationStep.execute(HttpLiveInvocationStep.java:457)
at com.itko.lisa.test.TestNode.executeNode(TestNode.java:995)
at com.itko.lisa.test.TestCase.execute(TestCase.java:1297)
at com.itko.lisa.test.TestCase.execute(TestCase.java:1198)
at com.itko.lisa.test.TestCase.executeNextNode(TestCase.java:1183)
at com.itko.lisa.test.TestCase.executeTest(TestCase.java:1124)
at com.itko.lisa.coordinator.Instance.run(Instance.java:208)

Release : 10.5

Component : CA Service Virtualization

Patch is available for this issue. Contact support team and share defect# DE441900 to get patch.