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-rw-r--r--src/org/traccar/model/DatabaseDataManager.java3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/org/traccar/model/DatabaseDataManager.java b/src/org/traccar/model/DatabaseDataManager.java
index 7521828a3..f17839594 100644
--- a/src/org/traccar/model/DatabaseDataManager.java
+++ b/src/org/traccar/model/DatabaseDataManager.java
@@ -171,8 +171,9 @@ public class DatabaseDataManager implements DataManager {
public Device getDeviceByImei(String imei) throws SQLException {
if ((devices == null) || (Calendar.getInstance().getTimeInMillis() - devicesLastUpdate.getTimeInMillis() > devicesRefreshDelay)) {
+ List<Device> list = getDevices();
devices = new HashMap<String, Device>();
- for (Device device: getDevices()) {
+ for (Device device: list) {
devices.put(device.getImei(), device);
}
devicesLastUpdate = Calendar.getInstance();