[FELIX-4783] ConcurrentModificationException when stopping gogo

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1656656 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/gogo/runtime/src/main/java/org/apache/felix/gogo/runtime/CommandProcessorImpl.java b/gogo/runtime/src/main/java/org/apache/felix/gogo/runtime/CommandProcessorImpl.java
index 0cd1d1a..83b3d15 100644
--- a/gogo/runtime/src/main/java/org/apache/felix/gogo/runtime/CommandProcessorImpl.java
+++ b/gogo/runtime/src/main/java/org/apache/felix/gogo/runtime/CommandProcessorImpl.java
@@ -88,6 +88,7 @@
             {
                 session.close();
             }
+			sessions.clear();
         }
     }