https://bz.apache.org/bugzilla/show_bug.cgi?id=66681
Bug ID: 66681
Summary: .getBasicRemote().flushBatch() causes NPE with
PerMessageDeflate
Product: Tomcat 9
Version: 9.0.76
Hardware: PC
OS: Mac OS X 10.1
Status: NEW
Severity: normal
Priority: P2
Component: WebSocket
Assignee: dev@tomcat.apache.org
Reporter: alex.panche...@gmail.com
Target Milestone: -----
java.lang.NullPointerException: Cannot invoke "java.nio.ByteBuffer.limit()"
because the return value of
"org.apache.tomcat.websocket.MessagePart.getPayload()" is null
at
org.apache.tomcat.websocket.PerMessageDeflate.sendMessagePart(PerMessageDeflate.java:317)
at
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendMessageBlock(WsRemoteEndpointImplBase.java:282)
at
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendMessageBlock(WsRemoteEndpointImplBase.java:256)
at
org.apache.tomcat.websocket.WsRemoteEndpointImplBase.flushBatch(WsRemoteEndpointImplBase.java:124)
at
org.apache.tomcat.websocket.WsRemoteEndpointBase.flushBatch(WsRemoteEndpointBase.java:48)
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