cvs client cvs server updated from HEAD, ant clean then ant. cache is empty:

22955 [main] INFO  games.stendhal.client.StaticGameLayers  - Area: int_semos_townhall
29087 [main] FATAL games.stendhal.client.StendhalClient  - onTransfer
java.lang.NegativeArraySizeException
        at marauroa.common.net.InputSerializer.readByteArray(InputSerializer.java:92)
        at marauroa.common.net.InputSerializer.readString(InputSerializer.java:283)
        at games.stendhal.tools.tiled.LayerDefinition.readObject(LayerDefinition.java:204)
        at marauroa.common.net.InputSerializer.readObject(InputSerializer.java:52)
        at games.stendhal.tools.tiled.LayerDefinition.decode(LayerDefinition.java:144)
        at games.stendhal.client.TileRenderer.setMapData(TileRenderer.java:66)
        at games.stendhal.client.StaticGameLayers.addLayer(StaticGameLayers.java:173)
        at games.stendhal.client.StendhalClient.contentHandling(StendhalClient.java:298)
        at games.stendhal.client.StendhalClient.onTransfer(StendhalClient.java:308)
        at marauroa.client.ariannexp.loop(ariannexp.java:460)
        at games.stendhal.client.gui.j2DClient.gameLoop(j2DClient.java:515)
        at games.stendhal.client.gui.j2DClient.<init>(j2DClient.java:398)
        at games.stendhal.client.stendhal.startGameGUI(stendhal.java:146)
        at games.stendhal.client.stendhal.main(stendhal.java:165)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at games.stendhal.client.update.Bootstrap$PrivilegedBoot.loadProgram(Bootstrap.java:241)
        at games.stendhal.client.update.Bootstrap$PrivilegedBoot.run(Bootstrap.java:252)
        at java.security.AccessController.doPrivileged(Native Method)
        at games.stendhal.client.update.Bootstrap.boot(Bootstrap.java:288)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at games.stendhal.client.update.Starter.main(Starter.java:66)