https://bz.apache.org/bugzilla/show_bug.cgi?id=63913
Bug ID: 63913
Summary: java.lang.NullPointerException: Inflater has been
closed
Product: Tomcat 9
Version: 9.0.27
Hardware: PC
OS: Linux
Status: NEW
Severity: minor
Priority: P2
Component: WebSocket
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: -----
I've been getting these for a while now. I'm not 100% sure it is a bug but it
does look like one. Here's the full stacktrace:
ERROR Error reading request, ignored
java.lang.NullPointerException: Inflater has been closed
at java.base/java.util.zip.Inflater.ensureOpen(Inflater.java:714)
at java.base/java.util.zip.Inflater.inflate(Inflater.java:370)
at
org.apache.tomcat.websocket.PerMessageDeflate.getMoreData(PerMessageDeflate.java:203)
at
org.apache.tomcat.websocket.WsFrameBase.processDataText(WsFrameBase.java:407)
at
org.apache.tomcat.websocket.WsFrameBase.processData(WsFrameBase.java:294)
at
org.apache.tomcat.websocket.WsFrameBase.processInputBuffer(WsFrameBase.java:133)
at
org.apache.tomcat.websocket.server.WsFrameServer.onDataAvailable(WsFrameServer.java:82)
at
org.apache.tomcat.websocket.server.WsFrameServer.doOnDataAvailable(WsFrameServer.java:171)
at
org.apache.tomcat.websocket.server.WsFrameServer.notifyDataAvailable(WsFrameServer.java:151)
at
org.apache.tomcat.websocket.server.WsHttpUpgradeHandler.upgradeDispatch(WsHttpUpgradeHandler.java:148)
at
org.apache.coyote.http11.upgrade.UpgradeProcessorInternal.dispatch(UpgradeProcessorInternal.java:54)
at
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:53)
at
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1579)
at
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.base/java.lang.Thread.run(Thread.java:830)
It happens always on the same test. It's very strange, I have no clue what the
problem could be. Ideas?
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