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Fix: NullPointerException in the user list GUI.

This commit is contained in:
ApacheZy 2021-03-07 15:14:44 +08:00
parent 824d9a272a
commit ab7ca9d245
1 changed files with 12 additions and 1 deletions
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13
src/main/java/world/bentobox/challenges/panel/admin/ListUsersGUI.java
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@ -17,6 +17,7 @@ import world.bentobox.bentobox.api.panels.builders.PanelBuilder;
import world.bentobox.bentobox.api.panels.builders.PanelItemBuilder;
import world.bentobox.bentobox.api.user.User;
import world.bentobox.bentobox.database.objects.Players;
import world.bentobox.bentobox.managers.IslandsManager;
import world.bentobox.challenges.ChallengesAddon;
import world.bentobox.challenges.ChallengesManager;
import world.bentobox.challenges.database.object.Challenge;
@ -274,7 +275,17 @@ public class ListUsersGUI extends CommonGUI
else if (mode.equals(ViewMode.WITH_ISLAND))
{
return this.addon.getPlayers().getPlayers().stream().
filter(player -> this.addon.getIslands().getIsland(this.world, player.getPlayerUUID()) != null).
filter(p -> {
// When I reached this position during the test, the user
// UUID string was empty. Although I don't know the specific
// reason, it is wise to add judgment here.
String uidStr = p.getUniqueId();
if (uidStr == null) {
return false;
}
IslandsManager im = ListUsersGUI.this.addon.getIslands();
return im.getIsland(ListUsersGUI.this.world, p.getPlayerUUID()) != null;
}).
map(Players::getPlayer).
collect(Collectors.toList());
}