Github user ctubbsii commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/150#discussion_r78467243
--- Diff:
server/monitor/src/main/java/org/apache/accumulo/monitor/servlets/BasicServlet.java
---
@@ -51,8 +52,18 @@
abstract protected String getTitle(HttpServletRequest req);
+ public void checkIfActive() throws IOException {
+ // If the HighlyAvailableService is not initialized or it's not the
active service, throw an exception
+ // to prevent processing of the servlet.
+ if (null == Monitor.HA_SERVICE_INSTANCE ||
!Monitor.HA_SERVICE_INSTANCE.isActiveService()) {
+ throw new IOException("This is not the active Monitor", new
NotActiveServiceException());
--- End diff --
[`HttpServletResponse`][1] has several useful methods for sending
redirects, errors, or otherwise manipulating the status.
[1]:
http://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpServletResponse.html
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