Hi,
We are encountering the following deadlock (pretty often) on 1.13.1:
1. Client (bridge) acceptor thread is locked up in this stack
"Handshaker 0.0.0.0/0.0.0.0:40011 Thread 2" #219 daemon prio=5
os_prio=0 tid=0x00007f755c007000 nid=0x44a2 runnable
[0x00007f75847c7000]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
at java.net.SocketInputStream.read(SocketInputStream.java:170)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at java.net.SocketInputStream.read(SocketInputStream.java:223)
at
org.apache.geode.internal.cache.tier.sockets.AcceptorImpl.getCommunicationModeForNonSelector(AcceptorImpl.java:1559)
at
org.apache.geode.internal.cache.tier.sockets.AcceptorImpl.handleNewClientConnection(AcceptorImpl.java:1430)
at
org.apache.geode.internal.cache.tier.sockets.AcceptorImpl.lambda$handOffNewClientConnection$4(AcceptorImpl.java:1341)
at
org.apache.geode.internal.cache.tier.sockets.AcceptorImpl$$Lambda$407/2146094985.run(Unknown
Source)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
2. The 4 Handshaker threads for that pool are stuck in this stack
"Handshaker 0.0.0.0/0.0.0.0:40011 Thread 2" #219 daemon prio=5
os_prio=0 tid=0x00007f755c007000 nid=0x44a2 runnable
[0x00007f75847c7000]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
at java.net.SocketInputStream.read(SocketInputStream.java:170)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at java.net.SocketInputStream.read(SocketInputStream.java:223)
at
org.apache.geode.internal.cache.tier.sockets.AcceptorImpl.getCommunicationModeForNonSelector(AcceptorImpl.java:1559)
at
org.apache.geode.internal.cache.tier.sockets.AcceptorImpl.handleNewClientConnection(AcceptorImpl.java:1430)
at
org.apache.geode.internal.cache.tier.sockets.AcceptorImpl.lambda$handOffNewClientConnection$4(AcceptorImpl.java:1341)
at
org.apache.geode.internal.cache.tier.sockets.AcceptorImpl$$Lambda$407/2146094985.run(Unknown
Source)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Is there any reason there is no socket read timeout set here:
private CommunicationMode getCommunicationModeForNonSelector(Socket
socket) throws IOException {
socket.setSoTimeout(0);
socketCreator.forCluster().handshakeIfSocketIsSSL(socket, acceptTimeout);
byte communicationModeByte = (byte) socket.getInputStream().read();
This blocks any new client connections to the server. Why not set read
timeout? For some reason it's explicitly set to 0 (infinite)...
Thank you
