Work around race condition instead of proper rearchitecturing

1 files changed, 6 insertions, 4 deletions

diff --git a/src/main/java/org/openslx/dnbd3/status/StatisticsGenerator.java b/src/main/java/org/openslx/dnbd3/status/StatisticsGenerator.java
index c9e50e4..48b075d 100644
--- a/src/main/java/org/openslx/dnbd3/status/StatisticsGenerator.java
+++ b/src/main/java/org/openslx/dnbd3/status/StatisticsGenerator.java
@@ -79,8 +79,8 @@ public class StatisticsGenerator
 			}
 		}
 		statusList.clear();
-		output.servers.clear();
-		newOutput.servers.clear();
+		List<ServerStats> outServers = new ArrayList<ServerStats>();
+		List<ServerStats> newOutServers = new ArrayList<ServerStats>();
 		for ( Future<Status> future : futureStatusList ) {
 			Status status;
 			try {
@@ -100,7 +100,7 @@ public class StatisticsGenerator
 			srv.serverCount = status.getServerCount();
 			srv.uptime = status.getUptime();
 			srv.timestamp = status.getTimestamp();
-			output.servers.add( srv );
+			outServers.add( srv );
 			srv = srv.clone();
 			srv.images = status.getImages();
 			srv.clients = status.getClients();
@@ -108,8 +108,10 @@ public class StatisticsGenerator
 				// For older dnbd3-server
 				srv.clientCount = srv.clients.size();
 			}
-			newOutput.servers.add( srv );
+			newOutServers.add( srv );
 		}
+		output.servers = outServers;
+		newOutput.servers = newOutServers;
 		newOutput.timestamp = output.timestamp = System.currentTimeMillis();
 		synchronized ( graph ) {
 			graph.decay();