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Type: Bug
Resolution: Done
Priority: Major
Fix Version/s: 7.1.0.DR16
Affects Version/s: 7.1.0.DR13
Component/s: Undertow
Labels:
- mod_cluster

CDW devel_ack:
CDW docs_ack:
CDW pm_ack:
CDW qa_ack:
CDW release:
Target Release:

7.1.0.GA

SFDC Cases Counter:
SFDC Cases Open:
SFDC Cases Links:

Issue:
NullPointerException when unregistering node from proxy balancer
Reproduce:

Set up undertow proxy balancer and worker
Unregister node(context) -> Register node(context) -> Repeat

Exceptions:

2017-03-06 09:53:02,531 INFO  [io.undertow] (default task-52) UT005044: Removing node jboss-eap-7.1-1
2017-03-06 09:53:02,532 ERROR [io.undertow.client] (default I/O-4) UT005001: An exception occurred processing the request: java.lang.NullPointerException
	at io.undertow.protocols.ssl.SslConduit.doUnwrap(SslConduit.java:717)
	at io.undertow.protocols.ssl.SslConduit.read(SslConduit.java:567)
	at org.xnio.conduits.PushBackStreamSourceConduit.read(PushBackStreamSourceConduit.java:52)
	at org.xnio.conduits.ConduitStreamSourceChannel.read(ConduitStreamSourceChannel.java:127)
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:502)
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:487)
	at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
	at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
	at io.undertow.protocols.ssl.SslConduit$SslReadReadyHandler.readReady(SslConduit.java:1129)
	at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89)
	at org.xnio.nio.WorkerThread.run(WorkerThread.java:567)

2017-03-06 09:53:02,543 ERROR [org.xnio.listener] (default I/O-4) XNIO001007: A channel event listener threw an exception: java.lang.NullPointerException
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:617)
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:487)
	at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
	at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
	at io.undertow.protocols.ssl.SslConduit$SslReadReadyHandler.readReady(SslConduit.java:1129)
	at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89)
	at org.xnio.nio.WorkerThread.run(WorkerThread.java:567)

2017-03-09 09:04:43,801 INFO  [io.undertow] (default task-87) UT005047: Unregistering context /clusterbench, from node jboss-eap-7.1-1
2017-03-09 09:04:43,855 ERROR [io.undertow.client] (default I/O-23) UT005001: An exception occurred processing the request: java.lang.NullPointerException
	at io.undertow.protocols.ssl.SslConduit.doUnwrap(SslConduit.java:717)
	at io.undertow.protocols.ssl.SslConduit.read(SslConduit.java:567)
	at org.xnio.conduits.PushBackStreamSourceConduit.read(PushBackStreamSourceConduit.java:52)
	at org.xnio.conduits.ConduitStreamSourceChannel.read(ConduitStreamSourceChannel.java:127)
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:502)
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:487)
	at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
	at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
	at io.undertow.protocols.ssl.SslConduit$SslReadReadyHandler.readReady(SslConduit.java:1129)
	at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89)
	at org.xnio.nio.WorkerThread.run(WorkerThread.java:567)

2017-03-09 09:04:43,859 ERROR [org.xnio.listener] (default I/O-23) XNIO001007: A channel event listener threw an exception: java.lang.NullPointerException
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:617)
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:487)
	at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
	at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
	at io.undertow.protocols.ssl.SslConduit$SslReadReadyHandler.readReady(SslConduit.java:1129)
	at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89)
	at org.xnio.nio.WorkerThread.run(WorkerThread.java:567)

2017-03-09 09:04:43,858 INFO  [io.undertow] (default task-89) UT005044: Removing node jboss-eap-7.1-1
2017-03-09 09:04:43,860 ERROR [io.undertow.client] (default I/O-44) UT005001: An exception occurred processing the request: java.lang.IllegalStateException: UT000091: Buffer has already been freed
	at io.undertow.server.DefaultByteBufferPool$DefaultPooledBuffer.getBuffer(DefaultByteBufferPool.java:256)
	at io.undertow.protocols.ssl.SslConduit.doUnwrap(SslConduit.java:701)
	at io.undertow.protocols.ssl.SslConduit.read(SslConduit.java:567)
	at org.xnio.conduits.PushBackStreamSourceConduit.read(PushBackStreamSourceConduit.java:52)
	at org.xnio.conduits.ConduitStreamSourceChannel.read(ConduitStreamSourceChannel.java:127)
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:502)
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:487)
	at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
	at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
	at io.undertow.protocols.ssl.SslConduit$SslReadReadyHandler.readReady(SslConduit.java:1129)
	at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89)
	at org.xnio.nio.WorkerThread.run(WorkerThread.java:567)

2017-03-09 09:04:43,860 ERROR [io.undertow.client] (default I/O-10) UT005001: An exception occurred processing the request: java.lang.NullPointerException
	at io.undertow.protocols.ssl.SslConduit.doUnwrap(SslConduit.java:717)
	at io.undertow.protocols.ssl.SslConduit.read(SslConduit.java:567)
	at org.xnio.conduits.PushBackStreamSourceConduit.read(PushBackStreamSourceConduit.java:52)
	at org.xnio.conduits.ConduitStreamSourceChannel.read(ConduitStreamSourceChannel.java:127)
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:502)
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:487)
	at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
	at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
	at io.undertow.protocols.ssl.SslConduit$SslReadReadyHandler.readReady(SslConduit.java:1129)
	at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89)
	at org.xnio.nio.WorkerThread.run(WorkerThread.java:567)

2017-03-09 09:04:43,860 ERROR [org.xnio.listener] (default I/O-44) XNIO001007: A channel event listener threw an exception: java.lang.NullPointerException
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:617)
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:487)
	at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
	at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
	at io.undertow.protocols.ssl.SslConduit$SslReadReadyHandler.readReady(SslConduit.java:1129)
	at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89)
	at org.xnio.nio.WorkerThread.run(WorkerThread.java:567)

2017-03-09 09:04:43,860 ERROR [org.xnio.listener] (default I/O-10) XNIO001007: A channel event listener threw an exception: java.lang.NullPointerException
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:617)
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:487)
	at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
	at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
	at io.undertow.protocols.ssl.SslConduit$SslReadReadyHandler.readReady(SslConduit.java:1129)
	at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89)
	at org.xnio.nio.WorkerThread.run(WorkerThread.java:567)

2017-03-09 09:05:07,824 ERROR [io.undertow.client] (default I/O-45) UT005001: An exception occurred processing the request: java.lang.NullPointerException
	at io.undertow.protocols.ssl.SslConduit.doUnwrap(SslConduit.java:764)
	at io.undertow.protocols.ssl.SslConduit.read(SslConduit.java:567)
	at org.xnio.conduits.PushBackStreamSourceConduit.read(PushBackStreamSourceConduit.java:52)
	at org.xnio.conduits.ConduitStreamSourceChannel.read(ConduitStreamSourceChannel.java:127)
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:502)
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:487)
	at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
	at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
	at io.undertow.protocols.ssl.SslConduit$SslReadReadyHandler.readReady(SslConduit.java:1129)
	at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89)
	at org.xnio.nio.WorkerThread.run(WorkerThread.java:567)

2017-03-09 09:05:07,833 ERROR [org.xnio.listener] (default I/O-45) XNIO001007: A channel event listener threw an exception: java.lang.NullPointerException
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:617)
	at io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:487)
	at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
	at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
	at io.undertow.protocols.ssl.SslConduit$SslReadReadyHandler.readReady(SslConduit.java:1129)
	at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89)
	at org.xnio.nio.WorkerThread.run(WorkerThread.java:567)

clones

UNDERTOW-1012 NPE when removing node

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