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diff --git a/org.argeo.slc.repo/src/org/eclipse/aether/transfer/MetadataNotFoundException.java b/org.argeo.slc.repo/src/org/eclipse/aether/transfer/MetadataNotFoundException.java
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+/*******************************************************************************
+ * Copyright (c) 2010, 2014 Sonatype, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Sonatype, Inc. - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.aether.transfer;
+
+import org.eclipse.aether.metadata.Metadata;
+import org.eclipse.aether.repository.LocalRepository;
+import org.eclipse.aether.repository.RemoteRepository;
+
+/**
+ * Thrown when metadata was not found in a particular repository.
+ */
+public class MetadataNotFoundException
+    extends MetadataTransferException
+{
+
+    /**
+     * Creates a new exception with the specified metadata and local repository.
+     * 
+     * @param metadata The missing metadata, may be {@code null}.
+     * @param repository The involved local repository, may be {@code null}.
+     */
+    public MetadataNotFoundException( Metadata metadata, LocalRepository repository )
+    {
+        super( metadata, null, "Could not find metadata " + metadata + getString( " in ", repository ) );
+    }
+
+    private static String getString( String prefix, LocalRepository repository )
+    {
+        if ( repository == null )
+        {
+            return "";
+        }
+        else
+        {
+            return prefix + repository.getId() + " (" + repository.getBasedir() + ")";
+        }
+    }
+
+    /**
+     * Creates a new exception with the specified metadata and repository.
+     * 
+     * @param metadata The missing metadata, may be {@code null}.
+     * @param repository The involved remote repository, may be {@code null}.
+     */
+    public MetadataNotFoundException( Metadata metadata, RemoteRepository repository )
+    {
+        super( metadata, repository, "Could not find metadata " + metadata + getString( " in ", repository ) );
+    }
+
+    /**
+     * Creates a new exception with the specified metadata, repository and detail message.
+     * 
+     * @param metadata The missing metadata, may be {@code null}.
+     * @param repository The involved remote repository, may be {@code null}.
+     * @param message The detail message, may be {@code null}.
+     */
+    public MetadataNotFoundException( Metadata metadata, RemoteRepository repository, String message )
+    {
+        super( metadata, repository, message );
+    }
+
+    /**
+     * Creates a new exception with the specified metadata, repository and detail message.
+     * 
+     * @param metadata The missing metadata, may be {@code null}.
+     * @param repository The involved remote repository, may be {@code null}.
+     * @param message The detail message, may be {@code null}.
+     * @param fromCache {@code true} if the exception was played back from the error cache, {@code false} if the
+     *            exception actually just occurred.
+     */
+    public MetadataNotFoundException( Metadata metadata, RemoteRepository repository, String message, boolean fromCache )
+    {
+        super( metadata, repository, message, fromCache );
+    }
+
+    /**
+     * Creates a new exception with the specified metadata, repository, detail message and cause.
+     * 
+     * @param metadata The missing metadata, may be {@code null}.
+     * @param repository The involved remote repository, may be {@code null}.
+     * @param message The detail message, may be {@code null}.
+     * @param cause The exception that caused this one, may be {@code null}.
+     */
+    public MetadataNotFoundException( Metadata metadata, RemoteRepository repository, String message, Throwable cause )
+    {
+        super( metadata, repository, message, cause );
+    }
+
+}