[undertow-dev] Java 9: sun.misc.Cleaner not found

[Hicks, Matt]

I just updated to Java 9 and have started getting the following exception:

exampleJVM[ERROR] Oct 09, 2017 11:45:35 AM
io.undertow.server.DirectByteBufferDeallocator <clinit>
exampleJVM[ERROR] ERROR: UT005091: Failed to initialize
DirectByteBufferDeallocator
exampleJVM[ERROR] java.lang.ClassNotFoundException: sun.misc.Cleaner
exampleJVM[ERROR] at
java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
exampleJVM[ERROR] at
java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:185)
exampleJVM[ERROR] at
java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:496)
exampleJVM[ERROR] at java.base/java.lang.Class.forName0(Native Method)
exampleJVM[ERROR] at java.base/java.lang.Class.forName(Class.java:292)
exampleJVM[ERROR] at
io.undertow.server.DirectByteBufferDeallocator.<clinit>(DirectByteBufferDeallocator.java:23)
exampleJVM[ERROR] at
io.undertow.server.DefaultByteBufferPool.queueIfUnderMax(DefaultByteBufferPool.java:207)
exampleJVM[ERROR] at
io.undertow.server.DefaultByteBufferPool.freeInternal(DefaultByteBufferPool.java:199)
exampleJVM[ERROR] at
io.undertow.server.DefaultByteBufferPool.access$200(DefaultByteBufferPool.java:41)
exampleJVM[ERROR] at
io.undertow.server.DefaultByteBufferPool$DefaultPooledBuffer.close(DefaultByteBufferPool.java:269)
exampleJVM[ERROR] at
io.undertow.conduits.DeflatingStreamSinkConduit.deflateData(DeflatingStreamSinkConduit.java:495)
exampleJVM[ERROR] at
io.undertow.conduits.DeflatingStreamSinkConduit.write(DeflatingStreamSinkConduit.java:117)
exampleJVM[ERROR] at
io.undertow.conduits.DeflatingStreamSinkConduit.write(DeflatingStreamSinkConduit.java:138)
exampleJVM[ERROR] at
org.xnio.conduits.ConduitStreamSinkChannel.write(ConduitStreamSinkChannel.java:154)
exampleJVM[ERROR] at
io.undertow.channels.DetachableStreamSinkChannel.write(DetachableStreamSinkChannel.java:187)
exampleJVM[ERROR] at
io.undertow.server.HttpServerExchange$WriteDispatchChannel.write(HttpServerExchange.java:2046)
exampleJVM[ERROR] at
io.undertow.io.AsyncSenderImpl.send(AsyncSenderImpl.java:219)
exampleJVM[ERROR] at
io.undertow.io.AsyncSenderImpl.send(AsyncSenderImpl.java:310)
exampleJVM[ERROR] at
io.undertow.io.AsyncSenderImpl.send(AsyncSenderImpl.java:282)
exampleJVM[ERROR] at
io.youi.server.UndertowServerImplementation$.handleStandard(UndertowServerImplementation.scala:250)
exampleJVM[ERROR] at
io.youi.server.UndertowServerImplementation$.response(UndertowServerImplementation.scala:169)
exampleJVM[ERROR] at
io.youi.server.UndertowServerImplementation.$anonfun$requestHandler$1(UndertowServerImplementation.scala:100)
exampleJVM[ERROR] at
io.youi.server.UndertowServerImplementation.$anonfun$requestHandler$1$adapted(UndertowServerImplementation.scala:97)
exampleJVM[ERROR] at
io.youi.server.UndertowServerImplementation$.handle$1(UndertowServerImplementation.scala:126)
exampleJVM[ERROR] at
io.youi.server.UndertowServerImplementation$.processRequest(UndertowServerImplementation.scala:162)
exampleJVM[ERROR] at
io.youi.server.UndertowServerImplementation.requestHandler(UndertowServerImplementation.scala:97)
exampleJVM[ERROR] at
io.youi.server.UndertowServerImplementation.$anonfun$handleRequest$1(UndertowServerImplementation.scala:90)
exampleJVM[ERROR] at
io.youi.ErrorSupport.errorSupport(ErrorSupport.scala:11)
exampleJVM[ERROR] at
io.youi.ErrorSupport.errorSupport$(ErrorSupport.scala:10)
exampleJVM[ERROR] at
io.youi.example.ServerExampleApplication$.errorSupport(ServerExampleApplication.scala:8)
exampleJVM[ERROR] at
io.youi.server.UndertowServerImplementation.handleRequest(UndertowServerImplementation.scala:74)
exampleJVM[ERROR] at
io.undertow.server.handlers.encoding.EncodingHandler.handleRequest(EncodingHandler.java:72)
exampleJVM[ERROR] at
io.undertow.server.Connectors.executeRootHandler(Connectors.java:332)
exampleJVM[ERROR] at
io.undertow.server.protocol.http.HttpReadListener.handleEventWithNoRunningRequest(HttpReadListener.java:254)
exampleJVM[ERROR] at
io.undertow.server.protocol.http.HttpReadListener.handleEvent(HttpReadListener.java:136)
exampleJVM[ERROR] at
io.undertow.server.protocol.http.HttpOpenListener.handleEvent(HttpOpenListener.java:151)
exampleJVM[ERROR] at
io.undertow.server.protocol.http.HttpOpenListener.handleEvent(HttpOpenListener.java:92)
exampleJVM[ERROR] at
io.undertow.server.protocol.http.HttpOpenListener.handleEvent(HttpOpenListener.java:51)
exampleJVM[ERROR] at
org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
exampleJVM[ERROR] at
org.xnio.ChannelListeners$10.handleEvent(ChannelListeners.java:291)
exampleJVM[ERROR] at
org.xnio.ChannelListeners$10.handleEvent(ChannelListeners.java:286)
exampleJVM[ERROR] at
org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
exampleJVM[ERROR] at
org.xnio.nio.QueuedNioTcpServer$1.run(QueuedNioTcpServer.java:129)
exampleJVM[ERROR] at
org.xnio.nio.WorkerThread.safeRun(WorkerThread.java:582)
exampleJVM[ERROR] at org.xnio.nio.WorkerThread.run(WorkerThread.java:466)
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