Handle exceptions in injected code.
This is very important, otherwise the server may crash unnecessarily.
Dieser Commit ist enthalten in:
Ursprung
f9c0f212c1
Commit
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@ -49,7 +49,6 @@ import com.comphenix.protocol.AsynchronousManager;
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import com.comphenix.protocol.ProtocolManager;
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import com.comphenix.protocol.ProtocolManager;
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import com.comphenix.protocol.async.AsyncFilterManager;
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import com.comphenix.protocol.async.AsyncFilterManager;
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import com.comphenix.protocol.async.AsyncMarker;
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import com.comphenix.protocol.async.AsyncMarker;
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import com.comphenix.protocol.error.DetailedErrorReporter;
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import com.comphenix.protocol.error.ErrorReporter;
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import com.comphenix.protocol.error.ErrorReporter;
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import com.comphenix.protocol.events.*;
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import com.comphenix.protocol.events.*;
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import com.comphenix.protocol.injector.player.PlayerInjectionHandler;
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import com.comphenix.protocol.injector.player.PlayerInjectionHandler;
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@ -142,7 +141,7 @@ public final class PacketFilterManager implements ProtocolManager, ListenerInvok
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* Only create instances of this class if protocol lib is disabled.
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* Only create instances of this class if protocol lib is disabled.
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* @param unhookTask
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* @param unhookTask
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*/
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*/
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public PacketFilterManager(ClassLoader classLoader, Server server, DelayedSingleTask unhookTask, DetailedErrorReporter reporter) {
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public PacketFilterManager(ClassLoader classLoader, Server server, DelayedSingleTask unhookTask, ErrorReporter reporter) {
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if (reporter == null)
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if (reporter == null)
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throw new IllegalArgumentException("reporter cannot be NULL.");
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throw new IllegalArgumentException("reporter cannot be NULL.");
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if (classLoader == null)
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if (classLoader == null)
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@ -175,7 +174,7 @@ public final class PacketFilterManager implements ProtocolManager, ListenerInvok
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try {
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try {
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// Initialize injection mangers
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// Initialize injection mangers
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this.playerInjection = new PlayerInjectionHandler(classLoader, reporter, isInjectionNecessary, this, packetListeners, server);
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this.playerInjection = new PlayerInjectionHandler(classLoader, reporter, isInjectionNecessary, this, packetListeners, server);
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this.packetInjector = new PacketInjector(classLoader, this, playerInjection);
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this.packetInjector = new PacketInjector(classLoader, this, playerInjection, reporter);
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this.asyncFilterManager = new AsyncFilterManager(reporter, server.getScheduler(), this);
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this.asyncFilterManager = new AsyncFilterManager(reporter, server.getScheduler(), this);
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// Attempt to load the list of server and client packets
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// Attempt to load the list of server and client packets
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@ -31,6 +31,7 @@ import net.minecraft.server.Packet;
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import net.sf.cglib.proxy.Callback;
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import net.sf.cglib.proxy.Callback;
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import net.sf.cglib.proxy.Enhancer;
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import net.sf.cglib.proxy.Enhancer;
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import com.comphenix.protocol.error.ErrorReporter;
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import com.comphenix.protocol.events.PacketContainer;
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import com.comphenix.protocol.events.PacketContainer;
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import com.comphenix.protocol.events.PacketEvent;
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import com.comphenix.protocol.events.PacketEvent;
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import com.comphenix.protocol.injector.player.PlayerInjectionHandler;
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import com.comphenix.protocol.injector.player.PlayerInjectionHandler;
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@ -51,6 +52,9 @@ class PacketInjector {
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// The packet filter manager
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// The packet filter manager
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private ListenerInvoker manager;
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private ListenerInvoker manager;
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// Error reporter
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private ErrorReporter reporter;
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// Allows us to determine the sender
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// Allows us to determine the sender
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private PlayerInjectionHandler playerInjection;
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private PlayerInjectionHandler playerInjection;
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@ -61,11 +65,12 @@ class PacketInjector {
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private ClassLoader classLoader;
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private ClassLoader classLoader;
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public PacketInjector(ClassLoader classLoader, ListenerInvoker manager,
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public PacketInjector(ClassLoader classLoader, ListenerInvoker manager,
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PlayerInjectionHandler playerInjection) throws IllegalAccessException {
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PlayerInjectionHandler playerInjection, ErrorReporter reporter) throws IllegalAccessException {
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this.classLoader = classLoader;
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this.classLoader = classLoader;
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this.manager = manager;
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this.manager = manager;
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this.playerInjection = playerInjection;
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this.playerInjection = playerInjection;
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this.reporter = reporter;
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this.readModifier = new ConcurrentHashMap<Integer, ReadPacketModifier>();
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this.readModifier = new ConcurrentHashMap<Integer, ReadPacketModifier>();
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initialize();
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initialize();
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}
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}
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@ -133,7 +138,7 @@ class PacketInjector {
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Class proxy = ex.createClass();
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Class proxy = ex.createClass();
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// Create the proxy handler
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// Create the proxy handler
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ReadPacketModifier modifier = new ReadPacketModifier(packetID, this);
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ReadPacketModifier modifier = new ReadPacketModifier(packetID, this, reporter);
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readModifier.put(packetID, modifier);
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readModifier.put(packetID, modifier);
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// Add a static reference
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// Add a static reference
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@ -25,6 +25,7 @@ import java.util.Map;
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import java.util.WeakHashMap;
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import java.util.WeakHashMap;
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import com.comphenix.protocol.Packets;
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import com.comphenix.protocol.Packets;
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import com.comphenix.protocol.error.ErrorReporter;
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import com.comphenix.protocol.events.PacketContainer;
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import com.comphenix.protocol.events.PacketContainer;
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import com.comphenix.protocol.events.PacketEvent;
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import com.comphenix.protocol.events.PacketEvent;
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@ -44,12 +45,16 @@ class ReadPacketModifier implements MethodInterceptor {
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private PacketInjector packetInjector;
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private PacketInjector packetInjector;
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private int packetID;
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private int packetID;
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// Report errors
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private ErrorReporter reporter;
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// Whether or not a packet has been cancelled
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// Whether or not a packet has been cancelled
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private static Map<Object, Object> override = Collections.synchronizedMap(new WeakHashMap<Object, Object>());
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private static Map<Object, Object> override = Collections.synchronizedMap(new WeakHashMap<Object, Object>());
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public ReadPacketModifier(int packetID, PacketInjector packetInjector) {
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public ReadPacketModifier(int packetID, PacketInjector packetInjector, ErrorReporter reporter) {
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this.packetID = packetID;
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this.packetID = packetID;
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this.packetInjector = packetInjector;
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this.packetInjector = packetInjector;
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this.reporter = reporter;
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}
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}
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/**
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/**
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@ -102,6 +107,7 @@ class ReadPacketModifier implements MethodInterceptor {
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if (returnValue == null &&
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if (returnValue == null &&
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Arrays.equals(method.getParameterTypes(), parameters)) {
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Arrays.equals(method.getParameterTypes(), parameters)) {
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try {
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// We need this in order to get the correct player
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// We need this in order to get the correct player
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DataInputStream input = (DataInputStream) args[0];
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DataInputStream input = (DataInputStream) args[0];
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@ -124,6 +130,10 @@ class ReadPacketModifier implements MethodInterceptor {
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packetInjector.scheduleDataInputRefresh(event.getPlayer());
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packetInjector.scheduleDataInputRefresh(event.getPlayer());
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}
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}
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}
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}
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} catch (Throwable e) {
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// Minecraft cannot handle this error
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reporter.reportDetailed(this, "Cannot handle clienet packet.", e, args[0]);
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}
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}
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}
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return returnValue;
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return returnValue;
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@ -217,7 +217,12 @@ class InjectedServerConnection {
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// Is this a normal Minecraft object?
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// Is this a normal Minecraft object?
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if (!(inserting instanceof Factory)) {
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if (!(inserting instanceof Factory)) {
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// If so, copy the content of the old element to the new
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// If so, copy the content of the old element to the new
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try {
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ObjectCloner.copyTo(inserting, replacement, inserting.getClass());
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ObjectCloner.copyTo(inserting, replacement, inserting.getClass());
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} catch (Throwable e) {
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reporter.reportDetailed(InjectedServerConnection.this, "Cannot copy old " + inserting +
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" to new.", e, inserting, replacement);
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}
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}
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}
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}
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}
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@ -95,6 +95,7 @@ class NetLoginInjector {
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PlayerInjector injected = injectedLogins.get(removing);
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PlayerInjector injected = injectedLogins.get(removing);
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if (injected != null) {
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if (injected != null) {
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try {
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PlayerInjector newInjector = null;
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PlayerInjector newInjector = null;
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Player player = injected.getPlayer();
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Player player = injected.getPlayer();
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@ -118,7 +119,10 @@ class NetLoginInjector {
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newInjector.setNetworkManager(injected.getNetworkManager(), true);
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newInjector.setNetworkManager(injected.getNetworkManager(), true);
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}
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}
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//logger.warning("Using alternative cleanup method.");
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} catch (Throwable e) {
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// Don't leak this to Minecraft
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reporter.reportDetailed(this, "Cannot cleanup NetLoginHandler.", e, removing);
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}
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}
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}
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}
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}
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@ -502,6 +502,7 @@ abstract class PlayerInjector {
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* @return The given packet, or the packet replaced by the listeners.
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* @return The given packet, or the packet replaced by the listeners.
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*/
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*/
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public Packet handlePacketSending(Packet packet) {
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public Packet handlePacketSending(Packet packet) {
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try {
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// Get the packet ID too
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// Get the packet ID too
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Integer id = invoker.getPacketID(packet);
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Integer id = invoker.getPacketID(packet);
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Player currentPlayer = player;
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Player currentPlayer = player;
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@ -541,6 +542,10 @@ abstract class PlayerInjector {
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return event.getPacket().getHandle();
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return event.getPacket().getHandle();
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}
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}
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} catch (Throwable e) {
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reporter.reportDetailed(this, "Cannot handle server packet.", e, packet);
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}
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return packet;
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return packet;
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}
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}
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