Index: src/main/java/org/apache/jackrabbit/core/BatchedItemOperations.java
===================================================================
--- src/main/java/org/apache/jackrabbit/core/BatchedItemOperations.java	(revision 488611)
+++ src/main/java/org/apache/jackrabbit/core/BatchedItemOperations.java	(working copy)
@@ -1403,7 +1403,7 @@
         try {
             return srcStateMgr.getItemState(id);
         } catch (NoSuchItemStateException nsise) {
-            throw new ItemNotFoundException(safeGetJCRPath(id));
+            throw new ItemNotFoundException(safeGetJCRPath(id), nsise);
         } catch (ItemStateException ise) {
             String msg = "internal error: failed to retrieve state of "
                     + safeGetJCRPath(id);
Index: src/main/java/org/apache/jackrabbit/core/cluster/FileJournal.java
===================================================================
--- src/main/java/org/apache/jackrabbit/core/cluster/FileJournal.java	(revision 488611)
+++ src/main/java/org/apache/jackrabbit/core/cluster/FileJournal.java	(working copy)
@@ -302,7 +302,7 @@
                 }
             } catch (IOException e) {
                 String msg = "Unable to iterate over modified records: " + e.getMessage();
-                throw new JournalException(msg);
+                throw new JournalException(msg, e);
 
             } finally {
                 try {
Index: src/main/java/org/apache/jackrabbit/core/HierarchyManagerImpl.java
===================================================================
--- src/main/java/org/apache/jackrabbit/core/HierarchyManagerImpl.java	(revision 488611)
+++ src/main/java/org/apache/jackrabbit/core/HierarchyManagerImpl.java	(working copy)
@@ -391,7 +391,7 @@
             } catch (NoSuchItemStateException nsis) {
                 String msg = "failed to resolve name of " + nodeId;
                 log.debug(msg);
-                throw new ItemNotFoundException(nodeId.toString());
+                throw new ItemNotFoundException(nodeId.toString(), nsis);
             } catch (ItemStateException ise) {
                 String msg = "failed to resolve name of " + nodeId;
                 log.debug(msg);
Index: src/main/java/org/apache/jackrabbit/core/ItemManager.java
===================================================================
--- src/main/java/org/apache/jackrabbit/core/ItemManager.java	(revision 488611)
+++ src/main/java/org/apache/jackrabbit/core/ItemManager.java	(working copy)
@@ -197,7 +197,7 @@
         } catch (NoSuchItemStateException nsise) {
             String msg = "no such item: " + id;
             log.debug(msg);
-            throw new ItemNotFoundException(msg);
+            throw new ItemNotFoundException(msg, nsise);
         } catch (ItemStateException ise) {
             String msg = "failed to retrieve item state of " + id;
             log.error(msg);
@@ -297,7 +297,7 @@
         try {
             return getItem(id);
         } catch (ItemNotFoundException infe) {
-            throw new PathNotFoundException(safeGetJCRPath(path));
+            throw new PathNotFoundException(safeGetJCRPath(path), infe);
         }
     }
 
Index: src/main/java/org/apache/jackrabbit/core/query/sql/JCRSQLQueryBuilder.java
===================================================================
--- src/main/java/org/apache/jackrabbit/core/query/sql/JCRSQLQueryBuilder.java	(revision 488611)
+++ src/main/java/org/apache/jackrabbit/core/query/sql/JCRSQLQueryBuilder.java	(working copy)
@@ -143,9 +143,9 @@
             }
             return builder.getRootNode();
         } catch (ParseException e) {
-            throw new InvalidQueryException(e.getMessage());
+            throw new InvalidQueryException(e.getMessage(), e);
         } catch (IllegalArgumentException e) {
-            throw new InvalidQueryException(e.getMessage());
+            throw new InvalidQueryException(e.getMessage(), e);
         } catch (Throwable t) {
             // javacc parser may also throw an error in some cases
             throw new InvalidQueryException(t.getMessage());
Index: src/main/java/org/apache/jackrabbit/core/SearchManager.java
===================================================================
--- src/main/java/org/apache/jackrabbit/core/SearchManager.java	(revision 488611)
+++ src/main/java/org/apache/jackrabbit/core/SearchManager.java	(working copy)
@@ -483,7 +483,8 @@
                         + " is not of type " + AbstractQueryImpl.class.getName());
             }
         } catch (Throwable t) {
-            throw new RepositoryException("Unable to create query: " + t.toString());
+            throw new RepositoryException("Unable to create query: " 
+                    + t.toString(), t);
         }
     }
 
Index: src/main/java/org/apache/jackrabbit/core/value/InternalValue.java
===================================================================
--- src/main/java/org/apache/jackrabbit/core/value/InternalValue.java	(revision 488611)
+++ src/main/java/org/apache/jackrabbit/core/value/InternalValue.java	(working copy)
@@ -125,15 +125,15 @@
                 try {
                     return new InternalValue(NameFormat.parse(value.getString(), nsResolver));
                 } catch (IllegalNameException ine) {
-                    throw new ValueFormatException(ine.getMessage());
+                    throw new ValueFormatException(ine.getMessage(), ine);
                 } catch (UnknownPrefixException upe) {
-                    throw new ValueFormatException(upe.getMessage());
+                    throw new ValueFormatException(upe.getMessage(), upe);
                 }
             case PropertyType.PATH:
                 try {
                     return new InternalValue(PathFormat.parse(value.getString(), nsResolver));
                 } catch (MalformedPathException mpe) {
-                    throw new ValueFormatException(mpe.getMessage());
+                    throw new ValueFormatException(mpe.getMessage(), mpe);
                 }
             case PropertyType.STRING:
                 return new InternalValue(value.getString());