Fixed package error

apm-collector/apm-collector-ui/src/main/java/org/skywalking/apm/collector/ui/jetty/handler/SegmentTopGetHandler.java

@@ -79,4 +79,8 @@ public class SegmentTopGetHandler extends JettyHandler {
 
         return service.loadTop(startTime, endTime, minCost, maxCost, operationName, globalTraceId, limit, from);
     }
+
+    @Override protected void doPost(HttpServletRequest req) throws ArgumentsParseException {
+        throw new UnsupportedOperationException();
+    }
 }

apm-collector/apm-collector-ui/src/main/java/org/skywalking/apm/collector/ui/jetty/handler/SpanGetHandler.java

@@ -35,4 +35,8 @@ public class SpanGetHandler extends JettyHandler {
 
         return service.load(segmentId, spanId);
     }
+
+    @Override protected void doPost(HttpServletRequest req) throws ArgumentsParseException {
+        throw new UnsupportedOperationException();
+    }
 }

apm-collector/apm-collector-ui/src/main/java/org/skywalking/apm/collector/ui/jetty/handler/TraceDagGetHandler.java

@@ -31,4 +31,8 @@ public class TraceDagGetHandler extends JettyHandler {
         long endTime = Long.valueOf(endTimeStr);
         return service.load(startTime, endTime, timeBucketType);
     }
+
+    @Override protected void doPost(HttpServletRequest req) throws ArgumentsParseException {
+        throw new UnsupportedOperationException();
+    }
 }

apm-collector/apm-collector-ui/src/main/java/org/skywalking/apm/collector/ui/jetty/handler/TraceStackGetHandler.java

@@ -27,4 +27,8 @@ public class TraceStackGetHandler extends JettyHandler {
 
         return service.load(globalTraceId);
     }
+
+    @Override protected void doPost(HttpServletRequest req) throws ArgumentsParseException {
+        throw new UnsupportedOperationException();
+    }
 }

apm-collector/apm-collector-ui/src/main/java/org/skywalking/apm/collector/ui/jetty/handler/UIJettyServerHandler.java

@@ -30,4 +30,8 @@ public class UIJettyServerHandler extends JettyHandler {
         });
         return serverArray;
     }
+
+    @Override protected void doPost(HttpServletRequest req) throws ArgumentsParseException {
+        throw new UnsupportedOperationException();
+    }
 }