diff --git a/pandalib-paper/src/main/java/fr/pandacube/lib/paper/commands/PaperBrigadierCommand.java b/pandalib-paper/src/main/java/fr/pandacube/lib/paper/commands/PaperBrigadierCommand.java
index d27664a..504d0f9 100644
--- a/pandalib-paper/src/main/java/fr/pandacube/lib/paper/commands/PaperBrigadierCommand.java
+++ b/pandalib-paper/src/main/java/fr/pandacube/lib/paper/commands/PaperBrigadierCommand.java
@@ -58,6 +58,8 @@ import java.util.Set;
 import java.util.function.Predicate;
 import java.util.stream.Stream;
 
+import static fr.pandacube.lib.util.ThrowableUtil.wrapEx;
+
 /**
  * Abstract class to hold a command to be integrated into a Paper server vanilla command dispatcher.
  */
@@ -67,7 +69,7 @@ public abstract class PaperBrigadierCommand extends BrigadierCommand<BukkitBriga
     private static final CommandDispatcher<BukkitBrigadierCommandSource> nmsDispatcher;
 
     static {
-        PandalibPaperReflect.init();
+        wrapEx(PandalibPaperReflect::init);
         vanillaCommandDispatcher = ReflectWrapper.wrapTyped(Bukkit.getServer(), CraftServer.class)
                 .getServer()
                 .vanillaCommandDispatcher();
diff --git a/pandalib-paper/src/main/java/fr/pandacube/lib/paper/reflect/PandalibPaperReflect.java b/pandalib-paper/src/main/java/fr/pandacube/lib/paper/reflect/PandalibPaperReflect.java
index 001d5a7..7cd09db 100644
--- a/pandalib-paper/src/main/java/fr/pandacube/lib/paper/reflect/PandalibPaperReflect.java
+++ b/pandalib-paper/src/main/java/fr/pandacube/lib/paper/reflect/PandalibPaperReflect.java
@@ -74,6 +74,7 @@ import fr.pandacube.lib.paper.reflect.wrapper.paper.PaperAdventure;
 import fr.pandacube.lib.paper.reflect.wrapper.paper.QueuedChangesMapLong2Object;
 import fr.pandacube.lib.paper.reflect.wrapper.paper.configuration.FallbackValue_Int;
 import fr.pandacube.lib.paper.reflect.wrapper.paper.configuration.WorldConfiguration;
+import fr.pandacube.lib.util.ThrowableAccumulator;
 
 import static fr.pandacube.lib.reflect.wrapper.WrapperRegistry.initWrapper;
 
@@ -86,8 +87,9 @@ public class PandalibPaperReflect {
 
     /**
      * Initializes the reflect tools in {@code pandalib-paper-reflect} module.
+     * @throws Exception if a problem occurs when initializing wrapper classes.
      */
-    public static void init() {
+    public static void init() throws Exception {
         NMSReflect.init();
         synchronized (PandalibPaperReflect.class) {
             if (isInit)
@@ -97,105 +99,112 @@ public class PandalibPaperReflect {
         initWrapperClasses();
     }
 
-    private static void initWrapperClasses() {
+    private static void initWrapperClasses() throws Exception {
+
+        ThrowableAccumulator<Throwable> thAcc = new ThrowableAccumulator<>(Throwable.class);
+
         // brigadier
-        initWrapper(CommandNode.class, CommandNode.REFLECT.get());
+        thAcc.catchThrowable(() -> initWrapper(CommandNode.class, CommandNode.REFLECT.get()));
 
         // craftbukkit
-        initWrapper(CraftItemStack.class, CraftItemStack.REFLECT.get());
-        initWrapper(CraftMapView.class, CraftMapView.REFLECT.get());
-        initWrapper(CraftNamespacedKey.class, CraftNamespacedKey.REFLECT.get());
-        initWrapper(CraftPlayer.class, CraftPlayer.REFLECT.get());
-        initWrapper(CraftServer.class, CraftServer.REFLECT.get());
-        initWrapper(CraftVector.class, CraftVector.REFLECT.get());
-        initWrapper(CraftWorld.class, CraftWorld.REFLECT.get());
-        initWrapper(RenderData.class, RenderData.REFLECT.get());
-        initWrapper(VanillaCommandWrapper.class, VanillaCommandWrapper.REFLECT.get());
+        thAcc.catchThrowable(() -> initWrapper(CraftItemStack.class, CraftItemStack.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(CraftMapView.class, CraftMapView.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(CraftNamespacedKey.class, CraftNamespacedKey.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(CraftPlayer.class, CraftPlayer.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(CraftServer.class, CraftServer.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(CraftVector.class, CraftVector.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(CraftWorld.class, CraftWorld.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(RenderData.class, RenderData.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(VanillaCommandWrapper.class, VanillaCommandWrapper.REFLECT.get()));
 
         // dataconverter
-        initWrapper(MCDataConverter.class, MCDataConverter.REFLECT.get());
-        initWrapper(MCDataType.class, MCDataType.REFLECT.get());
-        initWrapper(MCTypeRegistry.class, MCTypeRegistry.REFLECT.get());
+        thAcc.catchThrowable(() -> initWrapper(MCDataConverter.class, MCDataConverter.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(MCDataType.class, MCDataType.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(MCTypeRegistry.class, MCTypeRegistry.REFLECT.get()));
 
         // minecraft.commands
-        initWrapper(BlockPosArgument.class, BlockPosArgument.MAPPING.runtimeClass());
-        initWrapper(Commands.class, Commands.MAPPING.runtimeClass());
-        initWrapper(CommandSourceStack.class, CommandSourceStack.MAPPING.runtimeClass());
-        initWrapper(ComponentArgument.class, ComponentArgument.MAPPING.runtimeClass());
-        initWrapper(Coordinates.class, Coordinates.MAPPING.runtimeClass());
-        initWrapper(EntityArgument.class, EntityArgument.MAPPING.runtimeClass());
-        initWrapper(EntitySelector.class, EntitySelector.MAPPING.runtimeClass());
-        initWrapper(GameProfileArgument.class, GameProfileArgument.MAPPING.runtimeClass());
-        initWrapper(ResourceLocationArgument.class, ResourceLocationArgument.MAPPING.runtimeClass());
-        initWrapper(Vec3Argument.class, Vec3Argument.MAPPING.runtimeClass());
+        thAcc.catchThrowable(() -> initWrapper(BlockPosArgument.class, BlockPosArgument.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(Commands.class, Commands.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(CommandSourceStack.class, CommandSourceStack.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(ComponentArgument.class, ComponentArgument.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(Coordinates.class, Coordinates.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(EntityArgument.class, EntityArgument.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(EntitySelector.class, EntitySelector.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(GameProfileArgument.class, GameProfileArgument.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(ResourceLocationArgument.class, ResourceLocationArgument.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(Vec3Argument.class, Vec3Argument.MAPPING.runtimeClass()));
         // minecraft.core
-        initWrapper(BlockPos.class, BlockPos.MAPPING.runtimeClass());
-        initWrapper(Vec3i.class, Vec3i.MAPPING.runtimeClass());
+        thAcc.catchThrowable(() -> initWrapper(BlockPos.class, BlockPos.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(Vec3i.class, Vec3i.MAPPING.runtimeClass()));
         // minecraft.nbt
-        initWrapper(CollectionTag.class, CollectionTag.MAPPING.runtimeClass());
-        initWrapper(CompoundTag.class, CompoundTag.MAPPING.runtimeClass());
-        initWrapper(ListTag.class, ListTag.MAPPING.runtimeClass());
-        initWrapper(NbtIo.class, NbtIo.MAPPING.runtimeClass());
-        initWrapper(StringTag.class, StringTag.MAPPING.runtimeClass());
-        initWrapper(Tag.class, Tag.MAPPING.runtimeClass());
+        thAcc.catchThrowable(() -> initWrapper(CollectionTag.class, CollectionTag.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(CompoundTag.class, CompoundTag.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(ListTag.class, ListTag.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(NbtIo.class, NbtIo.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(StringTag.class, StringTag.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(Tag.class, Tag.MAPPING.runtimeClass()));
         // minecraft.network.chat
-        initWrapper(Component.class, Component.MAPPING.runtimeClass());
+        thAcc.catchThrowable(() -> initWrapper(Component.class, Component.MAPPING.runtimeClass()));
         // minecraft.network.protocol
-        initWrapper(ClientboundCustomPayloadPacket.class, ClientboundCustomPayloadPacket.MAPPING.runtimeClass());
-        initWrapper(ClientboundGameEventPacket.class, ClientboundGameEventPacket.MAPPING.runtimeClass());
-        initWrapper(ClientboundGameEventPacket.Type.class, ClientboundGameEventPacket.Type.MAPPING.runtimeClass());
-        initWrapper(Packet.class, Packet.MAPPING.runtimeClass());
+        thAcc.catchThrowable(() -> initWrapper(ClientboundCustomPayloadPacket.class, ClientboundCustomPayloadPacket.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(ClientboundGameEventPacket.class, ClientboundGameEventPacket.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(ClientboundGameEventPacket.Type.class, ClientboundGameEventPacket.Type.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(Packet.class, Packet.MAPPING.runtimeClass()));
         // minecraft.network
-        initWrapper(FriendlyByteBuf.class, FriendlyByteBuf.MAPPING.runtimeClass());
+        thAcc.catchThrowable(() -> initWrapper(FriendlyByteBuf.class, FriendlyByteBuf.MAPPING.runtimeClass()));
         // minecraft.resources
-        initWrapper(ResourceLocation.class, ResourceLocation.MAPPING.runtimeClass());
+        thAcc.catchThrowable(() -> initWrapper(ResourceLocation.class, ResourceLocation.MAPPING.runtimeClass()));
         // minecraft.server
-        initWrapper(ChunkMap.class, ChunkMap.MAPPING.runtimeClass());
-        initWrapper(DedicatedPlayerList.class, DedicatedPlayerList.MAPPING.runtimeClass());
-        initWrapper(DedicatedServer.class, DedicatedServer.MAPPING.runtimeClass());
-        initWrapper(DedicatedServerProperties.class, DedicatedServerProperties.MAPPING.runtimeClass());
-        initWrapper(MinecraftServer.class, MinecraftServer.MAPPING.runtimeClass());
-        initWrapper(PlayerList.class, PlayerList.MAPPING.runtimeClass());
-        initWrapper(ServerChunkCache.class, ServerChunkCache.MAPPING.runtimeClass());
-        initWrapper(ServerGamePacketListenerImpl.class, ServerGamePacketListenerImpl.MAPPING.runtimeClass());
-        initWrapper(ServerLevel.class, ServerLevel.MAPPING.runtimeClass());
-        initWrapper(ServerPlayer.class, ServerPlayer.MAPPING.runtimeClass());
-        initWrapper(Settings.class, Settings.MAPPING.runtimeClass());
+        thAcc.catchThrowable(() -> initWrapper(ChunkMap.class, ChunkMap.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(DedicatedPlayerList.class, DedicatedPlayerList.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(DedicatedServer.class, DedicatedServer.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(DedicatedServerProperties.class, DedicatedServerProperties.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(MinecraftServer.class, MinecraftServer.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(PlayerList.class, PlayerList.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(ServerChunkCache.class, ServerChunkCache.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(ServerGamePacketListenerImpl.class, ServerGamePacketListenerImpl.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(ServerLevel.class, ServerLevel.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(ServerPlayer.class, ServerPlayer.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(Settings.class, Settings.MAPPING.runtimeClass()));
         // minecraft.util
-        initWrapper(ProgressListener.class, ProgressListener.MAPPING.runtimeClass());
+        thAcc.catchThrowable(() -> initWrapper(ProgressListener.class, ProgressListener.MAPPING.runtimeClass()));
         // minecraft.world.block
-        initWrapper(BambooStalkBlock.class, BambooStalkBlock.MAPPING.runtimeClass());
+        thAcc.catchThrowable(() -> initWrapper(BambooStalkBlock.class, BambooStalkBlock.MAPPING.runtimeClass()));
         // minecraft.world
-        initWrapper(AABB.class, AABB.MAPPING.runtimeClass());
-        initWrapper(ChunkPos.class, ChunkPos.MAPPING.runtimeClass());
-        initWrapper(ChunkStorage.class, ChunkStorage.MAPPING.runtimeClass());
-        initWrapper(DamageSource.class, DamageSource.MAPPING.runtimeClass());
-        initWrapper(DamageSources.class, DamageSources.MAPPING.runtimeClass());
-        initWrapper(Entity.class, Entity.MAPPING.runtimeClass());
-        initWrapper(ItemStack.class, ItemStack.MAPPING.runtimeClass());
-        initWrapper(Level.class, Level.MAPPING.runtimeClass());
-        initWrapper(MapItemSavedData.class, MapItemSavedData.MAPPING.runtimeClass());
-        initWrapper(PlayerDataStorage.class, PlayerDataStorage.MAPPING.runtimeClass());
-        initWrapper(SavedData.class, SavedData.MAPPING.runtimeClass());
-        initWrapper(Vec3.class, Vec3.MAPPING.runtimeClass());
-        initWrapper(VoxelShape.class, VoxelShape.MAPPING.runtimeClass());
+        thAcc.catchThrowable(() -> initWrapper(AABB.class, AABB.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(ChunkPos.class, ChunkPos.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(ChunkStorage.class, ChunkStorage.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(DamageSource.class, DamageSource.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(DamageSources.class, DamageSources.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(Entity.class, Entity.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(ItemStack.class, ItemStack.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(Level.class, Level.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(MapItemSavedData.class, MapItemSavedData.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(PlayerDataStorage.class, PlayerDataStorage.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(SavedData.class, SavedData.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(Vec3.class, Vec3.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(VoxelShape.class, VoxelShape.MAPPING.runtimeClass()));
         // minecraft
-        initWrapper(DetectedVersion.class, DetectedVersion.MAPPING.runtimeClass());
-        initWrapper(GameVersion.class, GameVersion.REFLECT.get());
-        initWrapper(SharedConstants.class, SharedConstants.MAPPING.runtimeClass());
-        initWrapper(WorldVersion.class, WorldVersion.MAPPING.runtimeClass());
+        thAcc.catchThrowable(() -> initWrapper(DetectedVersion.class, DetectedVersion.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(GameVersion.class, GameVersion.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(SharedConstants.class, SharedConstants.MAPPING.runtimeClass()));
+        thAcc.catchThrowable(() -> initWrapper(WorldVersion.class, WorldVersion.MAPPING.runtimeClass()));
 
         // netty
-        initWrapper(ByteBuf.class, ByteBuf.REFLECT.get());
-        initWrapper(Unpooled.class, Unpooled.REFLECT.get());
+        thAcc.catchThrowable(() -> initWrapper(ByteBuf.class, ByteBuf.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(Unpooled.class, Unpooled.REFLECT.get()));
 
         // paper.configuration
-        initWrapper(FallbackValue_Int.class, FallbackValue_Int.REFLECT.get());
-        initWrapper(WorldConfiguration.class, WorldConfiguration.REFLECT.get());
-        initWrapper(WorldConfiguration.Chunks.class, WorldConfiguration.Chunks.REFLECT.get());
+        thAcc.catchThrowable(() -> initWrapper(FallbackValue_Int.class, FallbackValue_Int.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(WorldConfiguration.class, WorldConfiguration.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(WorldConfiguration.Chunks.class, WorldConfiguration.Chunks.REFLECT.get()));
         // paper
-        initWrapper(AABBVoxelShape.class, AABBVoxelShape.REFLECT.get());
-        initWrapper(PaperAdventure.class, PaperAdventure.REFLECT.get());
-        initWrapper(QueuedChangesMapLong2Object.class, QueuedChangesMapLong2Object.REFLECT.get());
+        thAcc.catchThrowable(() -> initWrapper(AABBVoxelShape.class, AABBVoxelShape.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(PaperAdventure.class, PaperAdventure.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(QueuedChangesMapLong2Object.class, QueuedChangesMapLong2Object.REFLECT.get()));
+
+
+        thAcc.throwCatched();
+
     }
 }
diff --git a/pandalib-util/src/main/java/fr/pandacube/lib/util/LevenshteinDistance.java b/pandalib-util/src/main/java/fr/pandacube/lib/util/LevenshteinDistance.java
index 09ec1e1..746a54c 100644
--- a/pandalib-util/src/main/java/fr/pandacube/lib/util/LevenshteinDistance.java
+++ b/pandalib-util/src/main/java/fr/pandacube/lib/util/LevenshteinDistance.java
@@ -7,9 +7,9 @@ import java.util.function.ToIntBiFunction;
 /**
  * Implementation of the <a href="https://en.wikipedia.org/wiki/Levenshtein_distance">Levenshtein distance algorithm</a>
  * that operate on characters. Its purpose is to compute a "distance" between two strings of characters, that represents
- * how many edition operation it is needed to perform on the first string ({@code initialString}) to optain the second
+ * how many edition operations must be performed on the first string ({@code initialString}) to optain the second
  * one ({@code finalString}).
- *
+ * <p>
  * All the parameters of the algorithm are configurable:
  * <ul>
  *     <li>The score of adding a character</li>
@@ -21,15 +21,13 @@ import java.util.function.ToIntBiFunction;
  * ToIntBiFunction)} (for a full control of the parameters) or {@link #LevenshteinDistance(String, String)} (to keep the
  * default parameters value); then to call the method {@link #getCurrentDistance()} to compute the Levenshtein distance
  * between the two strings.
- *
+ * <p>
  * A more advanced usage offer the possibility to progressively compute a distance from a predefined
  * {@code initialString} to a {@code finalString} that is feeded progressively using {@link #add(char)} or
  * {@link #add(String)}. This is useful if the {@code finalString} is an input that is currently being typed by the
  * user, so the application can progressively update a list of suggested words based on the distance.
  * For this usage, you can use those constructors to avoid initializing the {@code finalString}:
  * {@link #LevenshteinDistance(String, int, int, ToIntBiFunction)} or {@link #LevenshteinDistance(String)}.
- *
- *
  */
 public class LevenshteinDistance {
 	
diff --git a/pandalib-util/src/main/java/fr/pandacube/lib/util/ThrowableAccumulator.java b/pandalib-util/src/main/java/fr/pandacube/lib/util/ThrowableAccumulator.java
new file mode 100644
index 0000000..9e44d73
--- /dev/null
+++ b/pandalib-util/src/main/java/fr/pandacube/lib/util/ThrowableAccumulator.java
@@ -0,0 +1,104 @@
+package fr.pandacube.lib.util;
+
+import fr.pandacube.lib.util.ThrowableUtil.RunnableException;
+import fr.pandacube.lib.util.ThrowableUtil.SupplierException;
+
+import java.util.function.Supplier;
+
+/**
+ * A class that delay and accumulate thown exceptions, that can be thrown later using {@link #throwCatched()}.
+ * @param <T> the type of {@link Throwable} to accumulate.
+ */
+public class ThrowableAccumulator<T extends Throwable> {
+    T base = null;
+    final Class<T> throwableType;
+
+    /**
+     * Creates a new {@link ThrowableAccumulator} with the specified throwable type.
+     * @param throwableType The type of the {@link Throwable} to accumulate.
+     */
+    public ThrowableAccumulator(Class<T> throwableType) {
+        this.throwableType = throwableType;
+    }
+
+    /**
+     * Run the provided {@link RunnableException}, catching an eventual exception to accumulate for later use.
+     * @param run the {@link RunnableException} to run.
+     * @throws Exception if an exception not handled by this accumulator is thrown.
+     */
+    public void catchThrowable(RunnableException<Exception> run) throws Exception {
+        try {
+            run.run();
+        } catch (Throwable t) {
+            accumulateThrowable(t);
+        }
+    }
+
+    /**
+     * Run the provided {@link SupplierException}, catching an eventual exception to accumulate for later use.
+     * @param supp the {@link SupplierException} to run.
+     * @param returnValueIfException The value to return if this accumulator catch an exception.
+     * @return The return value of the supplier, or {@code returnValueIfException} if this accumulator catch an exception.
+     * @throws Exception if an exception not handled by this accumulator is thrown.
+     * @param <R> the type of the return value of the supplier.
+     */
+    public <R> R catchThrowable(SupplierException<R, Exception> supp, R returnValueIfException) throws Exception {
+        return catchThrowable(supp, (Supplier<R>) () -> returnValueIfException);
+    }
+
+    /**
+     * Run the provided {@link SupplierException}, catching an eventual exception to accumulate for later use.
+     * @param supp the {@link SupplierException} to run.
+     * @param returnValueIfException The value to return if this accumulator catch an exception.
+     * @return The return value of the supplier, or the return value of {@code returnValueIfException} if this
+     *         accumulator catch an exception.
+     * @throws Exception if an exception not handled by this accumulator is thrown.
+     * @param <R> the type of the return value of both suppliers.
+     */
+    public <R> R catchThrowable(SupplierException<R, Exception> supp, Supplier<R> returnValueIfException) throws Exception {
+        try {
+            return supp.get();
+        } catch (Throwable t) {
+            accumulateThrowable(t);
+        }
+        return returnValueIfException.get();
+    }
+
+
+    private void accumulateThrowable(Throwable t) throws Exception {
+        if (throwableType.isInstance(t)) {
+            synchronized (this) {
+                if (base == null)
+                    base = throwableType.cast(t);
+                else {
+                    base.addSuppressed(t);
+                }
+            }
+        }
+        else {
+            throwEx(t);
+        }
+    }
+
+    /**
+     * Throws an exception if there is at least one catched by this accumulator.
+     * If multiple exception where catched, all the exception after the first one are added to the first one as
+     * suppressed exceptions.
+     * If no exception were catched, this method does nothing.
+     * @throws Exception the first accumulated throwable, the other ones being suppressed.
+     */
+    public void throwCatched() throws Exception {
+        synchronized (this) {
+            if (base != null)
+                throwEx(base);
+        }
+    }
+
+    private void throwEx(Throwable t) throws Exception {
+        if (t instanceof Error e)
+            throw e;
+        else if (t instanceof Exception e)
+            throw e;
+    }
+
+}