1 files changed, 33 insertions, 5 deletions
diff --git a/indra/llcommon/llleap.cpp b/indra/llcommon/llleap.cpp
index 259f5bc505..8f88e728ce 100644
--- a/indra/llcommon/llleap.cpp
+++ b/indra/llcommon/llleap.cpp
@@ -340,11 +340,28 @@ public:
             }
             else
             {
-                // The LLSD object we got from our stream contains the keys we
-                // need.
-                LLEventPumps::instance().obtain(data["pump"]).post(data["data"]);
-                // Block calls to this method; resetting mBlocker unblocks calls
-                // to the other method.
+                try
+                {
+                    // The LLSD object we got from our stream contains the
+                    // keys we need.
+                    LLEventPumps::instance().obtain(data["pump"]).post(data["data"]);
+                }
+                catch (const std::exception& err)
+                {
+                    // No plugin should be allowed to crash the viewer by
+                    // driving an exception -- intentionally or not.
+                    LOG_UNHANDLED_EXCEPTION(stringize("handling request ", data));
+                    // Whether or not the plugin added a "reply" key to the
+                    // request, send a reply. We happen to know who originated
+                    // this request, and the reply LLEventPump of interest.
+                    // Not our problem if the plugin ignores the reply event.
+                    data["reply"] = mReplyPump.getName();
+                    sendReply(llsd::map("error",
+                                        stringize(LLError::Log::classname(err), ": ", err.what())),
+                              data);
+                }
+                // Block calls to this method; resetting mBlocker unblocks
+                // calls to the other method.
                 mBlocker.reset(new LLEventPump::Blocker(mStdoutDataConnection));
                 // Go check for any more pending events in the buffer.
                 if (childout.size())
@@ -389,6 +406,17 @@ public:
             // Read all remaining bytes and log.
             LL_INFOS("LLLeap") << mDesc << ": " << rest << LL_ENDL;
         }
+        /*--------------------------- diagnostic ---------------------------*/
+        else if (data["eof"].asBoolean())
+        {
+            LL_DEBUGS("LLLeap") << mDesc << " ended, no partial line" << LL_ENDL;
+        }
+        else
+        {
+            LL_DEBUGS("LLLeap") << mDesc << " (still running, " << childerr.size()
+                                << " bytes pending)" << LL_ENDL;
+        }
+        /*------------------------- end diagnostic -------------------------*/
         return false;
     }