@@ -149,11 +149,13 @@
 	return [[self alloc] initWithClass: class_];
 }
 
 - init
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 - initWithClass: (Class)class_
 {
@@ -251,11 +253,13 @@
 				   pointer: ptr];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 - initWithClass: (Class)class_
 	pointer: (void*)ptr
@@ -295,11 +299,13 @@
 				  selector: selector];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 - initWithClass: (Class)class_
        selector: (SEL)selector_
@@ -350,11 +356,13 @@
 				  selector: selector_];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 - initWithClass: (Class)class_
        selector: (SEL)selector_
@@ -447,23 +455,30 @@
 								  mode: mode];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 - initWithClass: (Class)class_
 	   path: (OFString*)path_
 	   mode: (OFString*)mode_
 {
 	self = [super initWithClass: class_];
 
-	path  = [path_ copy];
-	mode  = [mode_ copy];
-	errNo = GET_ERRNO;
+	@try {
+		path  = [path_ copy];
+		mode  = [mode_ copy];
+		errNo = GET_ERRNO;
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
 
 	return self;
 }
 
 - (void)dealloc
@@ -510,11 +525,13 @@
 				      size: size];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 - initWithClass: (Class)class_
 	   size: (size_t)size
@@ -606,21 +623,28 @@
 				      path: path_];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 - initWithClass: (Class)class_
 	   path: (OFString*)path_
 {
 	self = [super initWithClass: class_];
 
-	path  = [path_ copy];
-	errNo = GET_ERRNO;
+	@try {
+		path  = [path_ copy];
+		errNo = GET_ERRNO;
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
 
 	return self;
 }
 
 - (void)dealloc
@@ -664,23 +688,30 @@
 		     mode: mode];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 - initWithClass: (Class)class_
 	   path: (OFString*)path_
 	   mode: (mode_t)mode_
 {
 	self = [super initWithClass: class_];
 
-	path  = [path_ copy];
-	mode  = mode_;
-	errNo = GET_ERRNO;
+	@try {
+		path  = [path_ copy];
+		mode  = mode_;
+		errNo = GET_ERRNO;
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
 
 	return self;
 }
 
 - (void)dealloc
@@ -731,11 +762,13 @@
 				     group: group];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 - initWithClass: (Class)class_
 	   path: (OFString*)path_
@@ -742,14 +775,19 @@
 	  owner: (uid_t)owner_
 	  group: (gid_t)group_
 {
 	self = [super initWithClass: class_];
 
-	path  = [path_ copy];
-	owner = owner_;
-	group = group_;
-	errNo = GET_ERRNO;
+	@try {
+		path  = [path_ copy];
+		owner = owner_;
+		group = group_;
+		errNo = GET_ERRNO;
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
 
 	return self;
 }
 
 - (void)dealloc
@@ -803,23 +841,30 @@
 			   destinationPath: dst];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 -   initWithClass: (Class)class_
        sourcePath: (OFString*)src
   destinationPath: (OFString*)dst
 {
 	self = [super initWithClass: class_];
 
-	sourcePath = [src copy];
-	destinationPath = [dst copy];
-	errNo = GET_ERRNO;
+	@try {
+		sourcePath = [src copy];
+		destinationPath = [dst copy];
+		errNo = GET_ERRNO;
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
 
 	return self;
 }
 
 - (void)dealloc
@@ -869,23 +914,30 @@
 			   destinationPath: dst];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 -   initWithClass: (Class)class_
        sourcePath: (OFString*)src
   destinationPath: (OFString*)dst
 {
 	self = [super initWithClass: class_];
 
-	sourcePath = [src copy];
-	destinationPath = [dst copy];
-	errNo = GET_ERRNO;
+	@try {
+		sourcePath = [src copy];
+		destinationPath = [dst copy];
+		errNo = GET_ERRNO;
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
 
 	return self;
 }
 
 - (void)dealloc
@@ -933,21 +985,28 @@
 				      path: path_];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 - initWithClass: (Class)class_
 	   path: (OFString*)path_
 {
 	self = [super initWithClass: class_];
 
-	path  = [path_ copy];
-	errNo = GET_ERRNO;
+	@try {
+		path  = [path_ copy];
+		errNo = GET_ERRNO;
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
 
 	return self;
 }
 
 - (void)dealloc
@@ -988,21 +1047,28 @@
 				      path: path_];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 - initWithClass: (Class)class_
 	   path: (OFString*)path_
 {
 	self = [super initWithClass: class_];
 
-	path  = [path_ copy];
-	errNo = GET_ERRNO;
+	@try {
+		path  = [path_ copy];
+		errNo = GET_ERRNO;
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
 
 	return self;
 }
 
 - (void)dealloc
@@ -1046,11 +1112,13 @@
 			   destinationPath: dest];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 -   initWithClass: (Class)class_
        sourcePath: (OFString*)src
@@ -1112,11 +1180,13 @@
 			   destinationPath: dest];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 -   initWithClass: (Class)class_
        sourcePath: (OFString*)src
@@ -1233,13 +1303,18 @@
 	   node: (OFString*)node_
 	service: (OFString*)service_
 {
 	self = [super initWithClass: class_];
 
-	node	= [node_ copy];
-	service = [service_ copy];
-	errNo	= GET_AT_ERRNO;
+	@try {
+		node	= [node_ copy];
+		service = [service_ copy];
+		errNo	= GET_AT_ERRNO;
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
 
 	return self;
 }
 
 - (void)dealloc
@@ -1298,23 +1373,30 @@
 				   service: service];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 - initWithClass: (Class)class_
 	   node: (OFString*)node_
 	service: (OFString*)service_
 {
 	self = [super initWithClass: class_];
 
-	node	= [node_ copy];
-	service	= [service_ copy];
-	errNo	= GET_SOCK_ERRNO;
+	@try {
+		node	= [node_ copy];
+		service	= [service_ copy];
+		errNo	= GET_SOCK_ERRNO;
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
 
 	return self;
 }
 
 - (void)dealloc
@@ -1366,11 +1448,13 @@
 				    family: family];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 - initWithClass: (Class)class_
 	   node: (OFString*)node_
@@ -1377,14 +1461,19 @@
 	service: (OFString*)service_
 	 family: (int)family_
 {
 	self = [super initWithClass: class_];
 
-	node	= [node_ copy];
-	service	= [service_ copy];
-	family	= family_;
-	errNo	= GET_SOCK_ERRNO;
+	@try {
+		node	= [node_ copy];
+		service	= [service_ copy];
+		family	= family_;
+		errNo	= GET_SOCK_ERRNO;
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
 
 	return self;
 }
 
 - (void)dealloc
@@ -1437,11 +1526,13 @@
 				   backLog: backlog];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 - initWithClass: (Class)class_
 	backLog: (int)backlog
@@ -1601,30 +1692,42 @@
 				    prefix: prefix];
 }
 
 - initWithClass: (Class)class_
 {
-	@throw [OFNotImplementedException newWithClass: isa
+	Class c = isa;
+	[self release];
+	@throw [OFNotImplementedException newWithClass: c
 					      selector: _cmd];
 }
 
 - initWithClass: (Class)class_
       namespace: (OFString*)ns_
 {
 	self = [super initWithClass: class_];
 
-	ns = [ns_ copy];
+	@try {
+		ns = [ns_ copy];
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
 
 	return self;
 }
 
 - initWithClass: (Class)class_
 	 prefix: (OFString*)prefix_
 {
 	self = [super initWithClass: class_];
 
-	prefix = [prefix_ copy];
+	@try {
+		prefix = [prefix_ copy];
+	} @catch (id e) {
+		[self release];
+		@throw e;
+	}
 
 	return self;
 }
 
 - (void)dealloc