Copy managers list to prevent ConcurrentModificationException

diff --git a/lib/src/main/java/org/asamk/signal/manager/MultiAccountManagerImpl.java b/lib/src/main/java/org/asamk/signal/manager/MultiAccountManagerImpl.java
index 8fd1d5aaf7ab72f4e52e024beb8960ee5b26b861..74c4c20ac5f57646157f73230a4c64c2399c1ea4 100644 (file)
--- a/lib/src/main/java/org/asamk/signal/manager/MultiAccountManagerImpl.java
+++ b/lib/src/main/java/org/asamk/signal/manager/MultiAccountManagerImpl.java
@@ -7,6 +7,7 @@ import org.slf4j.LoggerFactory;
 import java.io.File;
 import java.io.IOException;
 import java.net.URI;
 import java.io.File;
 import java.io.IOException;
 import java.net.URI;

+import java.util.ArrayList;

 import java.util.Collection;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.HashSet;


@@ -124,7 +125,7 @@ public class MultiAccountManagerImpl implements MultiAccountManager {
     @Override
     public void close() {
         synchronized (managers) {
     @Override
     public void close() {
         synchronized (managers) {

-            for (var m : managers) {
+            for (var m : new ArrayList<>(managers)) {

                 try {
                     m.close();
                 } catch (IOException e) {
                 try {
                     m.close();
                 } catch (IOException e) {