Automatically clear MDC after each call

Instead of trying to do that as a part of every method.

Author: BryceStevenWilley

proxyserver/src/main/java/edu/suffolk/litlab/efsp/server/EfspServer.java

@@ -24,6 +24,7 @@
 import edu.suffolk.litlab.efsp.server.setup.tyler.TylerModuleSetup;
 import edu.suffolk.litlab.efsp.server.utils.HttpsCallbackHandler;
 import edu.suffolk.litlab.efsp.server.utils.JsonExceptionMapper;
+import edu.suffolk.litlab.efsp.server.utils.ObservabilityResetInterceptor;
 import edu.suffolk.litlab.efsp.server.utils.ObservabilityHeadersInterceptor;
 import edu.suffolk.litlab.efsp.server.utils.OrgMessageSender;
 import edu.suffolk.litlab.efsp.server.utils.SendMessage;
@@ -149,6 +150,7 @@ protected EfspServer(
 
     sf.setAddress(ServiceHelpers.BASE_LOCAL_URL);
     sf.getInInterceptors().add(new ObservabilityHeadersInterceptor());
+    sf.getOutInterceptors().add(new ObservabilityResetInterceptor());
     server = sf.create();
   }
 

proxyserver/src/main/java/edu/suffolk/litlab/efsp/server/utils/ObservabilityResetInterceptor.java

@@ -0,0 +1,20 @@
+package edu.suffolk.litlab.efsp.server.utils;
+
+import org.apache.cxf.interceptor.AbstractOutDatabindingInterceptor;
+import org.apache.cxf.interceptor.Fault;
+import org.apache.cxf.message.Message;
+import org.apache.cxf.phase.Phase;
+
+/** Clears all MDC entries after our business logic finishes running. */
+public class ObservabilityResetInterceptor extends AbstractOutDatabindingInterceptor {
+
+  public ObservabilityResetInterceptor() {
+    // See https://cxf.apache.org/docs/interceptors.html for phase descriptions
+    super(Phase.POST_LOGICAL);
+  }
+
+  @Override
+  public void handleMessage(Message message) throws Fault {
+    MDCWrappers.removeAllMDCs();
+  }
+}