Aleksey Plekhanov created IGNITE-11671:
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Summary: Thin client: Client may hang when connected to a starting server
Key: IGNITE-11671
URL:
https://issues.apache.org/jira/browse/IGNITE-11671 Project: Ignite
Issue Type: Bug
Components: thin client
Reporter: Aleksey Plekhanov
If the server start process has not completed yet, but NIO listeners already started, the client may never get a response for the handshake request.
Exception on the server-side:
{noformat}
[client-connector-#6416%f3b837aa-d726-46b0-a58b-8cc6267c9f96%][ClientListenerProcessor] Runtime error caught during grid runnable execution: GridWorker [name=message-received-notify, igniteInstanceName=f3b837aa-d726-46b0-a58b-8cc6267c9f96, finished=false, heartbeatTs=1554209548706, hashCode=519781823, interrupted=false, runner=client-connector-#6416%f3b837aa-d726-46b0-a58b-8cc6267c9f96%]
java.lang.NullPointerException
at org.apache.ignite.internal.processors.odbc.ClientListenerNioListener.nextConnectionId(ClientListenerNioListener.java:334)
at org.apache.ignite.internal.processors.odbc.ClientListenerNioListener.prepareContext(ClientListenerNioListener.java:313)
at org.apache.ignite.internal.processors.odbc.ClientListenerNioListener.onHandshake(ClientListenerNioListener.java:251)
at org.apache.ignite.internal.processors.odbc.ClientListenerNioListener.onMessage(ClientListenerNioListener.java:132)
at org.apache.ignite.internal.processors.odbc.ClientListenerNioListener.onMessage(ClientListenerNioListener.java:48)
at org.apache.ignite.internal.util.nio.GridNioFilterChain$TailFilter.onMessageReceived(GridNioFilterChain.java:279)
at org.apache.ignite.internal.util.nio.GridNioFilterAdapter.proceedMessageReceived(GridNioFilterAdapter.java:109)
at org.apache.ignite.internal.util.nio.GridNioAsyncNotifyFilter$3.body(GridNioAsyncNotifyFilter.java:97)
at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:120)
at org.apache.ignite.internal.util.worker.GridWorkerPool$1.run(GridWorkerPool.java:70){noformat}
This happens because NIO listeners start before {{GridDiscoveryManager}}.
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