EpicKnarvik97/PlotSquared
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Fix issue where old player objects were not cleaned up properly.

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This is caused by an issue with the event order in Spigot (and Spigot derivatives), so the fix is rather hacky.
This commit is contained in:
Alexander Söderberg 2020-06-23 18:36:53 +02:00
parent f4724a3c87
commit 55cf34508a
No known key found for this signature in database
GPG Key ID: C0207FF7EA146678
5 changed files with 46 additions and 18 deletions
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15
Bukkit/src/main/java/com/plotsquared/bukkit/BukkitMain.java
View File

@ -392,6 +392,19 @@ public final class BukkitMain extends JavaPlugin implements Listener, IPlotMain<
PlotSquared.log(
Captions.PREFIX.getTranslated() + "Using platform world manager: " + this.worldManager
.getName());
// Clean up potential memory leak
Bukkit.getScheduler().runTaskTimer(this, () -> {
try {
for (final PlotPlayer<? extends Player> player : this.getPlayerManager().getPlayers()) {
if (player.getPlatformPlayer() == null || !player.getPlatformPlayer().isOnline()) {
this.getPlayerManager().removePlayer(player);
}
}
} catch (final Exception e) {
getLogger().warning("Failed to clean up players: " + e.getMessage());
}
}, 100L, 100L);
}
private void unload() {
@ -982,7 +995,7 @@ public final class BukkitMain extends JavaPlugin implements Listener, IPlotMain<
}
@Override public void unregister(@NonNull final PlotPlayer player) {
BukkitUtil.removePlayer(player.getName());
BukkitUtil.removePlayer(player.getUUID());
}
@Override public void registerChunkProcessor() {

4
Bukkit/src/main/java/com/plotsquared/bukkit/listener/PlayerEvents.java
View File

@ -650,10 +650,10 @@ public class PlayerEvents extends PlotListener implements Listener {
PlotSquared.get().getImpromptuUUIDPipeline().storeImmediately(event.getName(), uuid);
}
@EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)
@EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
public void onConnect(PlayerJoinEvent event) {
final Player player = event.getPlayer();
BukkitUtil.removePlayer(player.getName());
BukkitUtil.removePlayer(player.getUniqueId());
final PlotPlayer<Player> pp = BukkitUtil.getPlayer(player);
Location location = pp.getLocation();

4
Bukkit/src/main/java/com/plotsquared/bukkit/util/BukkitUtil.java
View File

@ -116,9 +116,11 @@ public class BukkitUtil extends WorldUtil {
private static Player lastPlayer = null;
private static BukkitPlayer lastPlotPlayer = null;
public static void removePlayer(String player) {
public static void removePlayer(UUID uuid) {
lastPlayer = null;
lastPlotPlayer = null;
// Make sure that it's removed internally
PlotSquared.imp().getPlayerManager().removePlayer(uuid);
}
public static PlotPlayer<Player> getPlayer(@NonNull final OfflinePlayer op) {

11
Core/src/main/java/com/plotsquared/core/plot/Plot.java
View File

@ -2917,7 +2917,7 @@ public class Plot {
*/
public void reEnter() {
TaskManager.runTaskLater(() -> {
for (PlotPlayer pp : Plot.this.getPlayersInPlot()) {
for (PlotPlayer<?> pp : Plot.this.getPlayersInPlot()) {
PlotListener.plotExit(pp, Plot.this);
PlotListener.plotEntry(pp, Plot.this);
}
@ -2925,18 +2925,19 @@ public class Plot {
}
public void debug(@NotNull final String message) {
try {
final Collection<PlotPlayer<?>> players = PlotPlayer.getDebugModePlayersInPlot(this);
if (players.isEmpty()) {
return;
}
final String string = Captions.PLOT_DEBUG.getTranslated().replace("%plot%", this.toString())
.replace("%message%", message);
final String string =
Captions.PLOT_DEBUG.getTranslated().replace("%plot%", this.toString()).replace("%message%", message);
for (final PlotPlayer<?> player : players) {
if (isOwner(player.getUUID()) ||
Permissions.hasPermission(player, Captions.PERMISSION_ADMIN_DEBUG_OTHER)) {
if (isOwner(player.getUUID()) || Permissions.hasPermission(player, Captions.PERMISSION_ADMIN_DEBUG_OTHER)) {
player.sendMessage(string);
}
}
} catch (final Exception ignored) {}
}
/**

16
Core/src/main/java/com/plotsquared/core/util/PlayerManager.java
View File

@ -30,6 +30,7 @@ import com.plotsquared.core.player.PlotPlayer;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
@ -55,6 +56,17 @@ public abstract class PlayerManager<P extends PlotPlayer<? extends T>, T> {
}
}
/**
* Remove a player from the player map
*
* @param uuid Player to remove
*/
public void removePlayer(@NotNull final UUID uuid) {
synchronized (playerLock) {
this.playerMap.remove(uuid);
}
}
/**
* Get the player from its UUID if it is stored in the player map.
*
@ -110,7 +122,7 @@ public abstract class PlayerManager<P extends PlotPlayer<? extends T>, T> {
}
}
@NotNull protected abstract P createPlayer(@NotNull final UUID uuid);
@NotNull public abstract P createPlayer(@NotNull final UUID uuid);
/**
* Get an an offline player object from the player's UUID
@ -134,7 +146,7 @@ public abstract class PlayerManager<P extends PlotPlayer<? extends T>, T> {
* @return Unmodifiable collection of players
*/
public Collection<P> getPlayers() {
return Collections.unmodifiableCollection(this.playerMap.values());
return Collections.unmodifiableCollection(new ArrayList<>(this.playerMap.values()));
}