15:46:50 [SEVERE] Could not pass event BLOCK_PISTON_EXTEND to Lockette
java.lang.ClassCastException: org.bukkit.material.MaterialData cannot be cast to org.bukkit.material.PistonBaseMaterial
        at org.bukkit.event.block.BlockPistonEvent.getDirection(BlockPistonEvent.java:41)
        at org.yi.acru.bukkit.Lockette.LocketteBlockListener.onBlockPistonExtend(LocketteBlockListener.java:1596)
        at org.bukkit.plugin.java.JavaPluginLoader$45.execute(JavaPluginLoader.java:554)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:58)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:339)
        at net.minecraft.server.BlockPiston.g(BlockPiston.java:70)
        at net.minecraft.server.BlockPiston.doPhysics(BlockPiston.java:47)
        at org.getspout.spout.block.mcblock.CustomBlock.doPhysics(CustomBlock.java:185)
        at net.minecraft.server.World.k(World.java:488)
        at net.minecraft.server.World.applyPhysics(World.java:466)
        at net.minecraft.server.BlockRedstoneWire.g(BlockRedstoneWire.java:49)
        at net.minecraft.server.BlockRedstoneWire.doPhysics(BlockRedstoneWire.java:286)
        at org.getspout.spout.block.mcblock.CustomBlock.doPhysics(CustomBlock.java:185)
        at net.minecraft.server.World.k(World.java:488)
        at net.minecraft.server.World.applyPhysics(World.java:467)
        at net.minecraft.server.BlockRedstoneWire.g(BlockRedstoneWire.java:49)
        at net.minecraft.server.BlockRedstoneWire.doPhysics(BlockRedstoneWire.java:286)
        at org.getspout.spout.block.mcblock.CustomBlock.doPhysics(CustomBlock.java:185)
        at net.minecraft.server.World.k(World.java:488)
        at net.minecraft.server.World.applyPhysics(World.java:463)
        at net.minecraft.server.BlockRedstoneWire.g(BlockRedstoneWire.java:49)
        at net.minecraft.server.BlockRedstoneWire.doPhysics(BlockRedstoneWire.java:286)
        at org.getspout.spout.block.mcblock.CustomBlock.doPhysics(CustomBlock.java:185)
        at net.minecraft.server.World.k(World.java:488)
        at net.minecraft.server.World.applyPhysics(World.java:463)
        at net.minecraft.server.BlockRedstoneWire.g(BlockRedstoneWire.java:49)
        at net.minecraft.server.BlockRedstoneWire.doPhysics(BlockRedstoneWire.java:286)
        at org.getspout.spout.block.mcblock.CustomBlock.doPhysics(CustomBlock.java:185)
        at net.minecraft.server.World.k(World.java:488)
        at net.minecraft.server.World.applyPhysics(World.java:463)
        at net.minecraft.server.BlockRedstoneWire.g(BlockRedstoneWire.java:49)
        at net.minecraft.server.BlockRedstoneWire.doPhysics(BlockRedstoneWire.java:286)
        at org.getspout.spout.block.mcblock.CustomBlock.doPhysics(CustomBlock.java:185)
        at net.minecraft.server.World.k(World.java:488)
        at net.minecraft.server.World.applyPhysics(World.java:463)
        at net.minecraft.server.BlockRedstoneWire.g(BlockRedstoneWire.java:49)
        at net.minecraft.server.BlockRedstoneWire.doPhysics(BlockRedstoneWire.java:286)
        at org.getspout.spout.block.mcblock.CustomBlock.doPhysics(CustomBlock.java:185)
        at net.minecraft.server.World.k(World.java:488)
        at net.minecraft.server.World.applyPhysics(World.java:463)
        at net.minecraft.server.BlockRedstoneWire.g(BlockRedstoneWire.java:49)
        at net.minecraft.server.BlockRedstoneWire.doPhysics(BlockRedstoneWire.java:286)
        at org.getspout.spout.block.mcblock.CustomBlock.doPhysics(CustomBlock.java:185)
        at net.minecraft.server.World.k(World.java:488)
        at net.minecraft.server.World.applyPhysics(World.java:468)
        at net.minecraft.server.BlockRedstoneWire.g(BlockRedstoneWire.java:49)
        at net.minecraft.server.BlockRedstoneWire.doPhysics(BlockRedstoneWire.java:286)
        at org.getspout.spout.block.mcblock.CustomBlock.doPhysics(CustomBlock.java:185)
        at net.minecraft.server.World.k(World.java:488)
        at net.minecraft.server.World.applyPhysics(World.java:468)
        at net.minecraft.server.BlockRedstoneWire.g(BlockRedstoneWire.java:49)
        at net.minecraft.server.BlockRedstoneWire.doPhysics(BlockRedstoneWire.java:286)
        at org.getspout.spout.block.mcblock.CustomBlock.doPhysics(CustomBlock.java:185)
        at net.minecraft.server.World.k(World.java:488)
        at net.minecraft.server.World.applyPhysics(World.java:468)
        at net.minecraft.server.BlockRedstoneWire.g(BlockRedstoneWire.java:49)
        at net.minecraft.server.BlockRedstoneWire.doPhysics(BlockRedstoneWire.java:286)
        at org.getspout.spout.block.mcblock.CustomBlock.doPhysics(CustomBlock.java:185)
        at net.minecraft.server.World.k(World.java:488)
        at net.minecraft.server.World.applyPhysics(World.java:464)
        at net.minecraft.server.BlockRedstoneWire.g(BlockRedstoneWire.java:49)
        at net.minecraft.server.BlockRedstoneWire.doPhysics(BlockRedstoneWire.java:286)
        at org.getspout.spout.block.mcblock.CustomBlock.doPhysics(CustomBlock.java:185)
        at net.minecraft.server.World.k(World.java:488)
        at net.minecraft.server.World.applyPhysics(World.java:468)
        at net.minecraft.server.World.update(World.java:431)
        at net.minecraft.server.World.setTypeIdAndData(World.java:415)
        at net.minecraft.server.BlockDiode.a(SourceFile:67)
        at org.getspout.spout.block.mcblock.CustomBlock.a(CustomBlock.java:175)
        at net.minecraft.server.World.a(World.java:2143)
        at net.minecraft.server.World.doTick(World.java:1637)
        at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:461)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:374)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:417)