Hi all,

I'm new to ignite, I started a ignite cluster with three nodes yesterday(with 
command: ./ignite.sh -v -np 
/root/apache-ignite-fabric-2.6.0-bin/examples/config/persistentstore/examples-persistent-store.xml),
 I found one node is down without any log today, and when I try to restart the 
lost node, it say that cluster is in compatibility mode and can not join new 
node. How can I restart the new node?


"""

[15:19:14,299][INFO][tcp-disco-sock-reader-#5][TcpDiscoverySpi] Started serving 
remote node connection [rmtAddr=/172.16.157.129:34695, rmtPort=34695]
[15:19:14,414][SEVERE][tcp-disco-msg-worker-#3][TcpDiscoverySpi] 
TcpDiscoverSpi's message worker thread failed abnormally. Stopping the node in 
order to prevent cluster wide instability.
class org.apache.ignite.IgniteException: Node with BaselineTopology cannot join 
mixed cluster running in compatibility mode
        at 
org.apache.ignite.internal.processors.cluster.GridClusterStateProcessor.onGridDataReceived(GridClusterStateProcessor.java:714)
        at 
org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$5.onExchange(GridDiscoveryManager.java:883)
        at 
org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi.onExchange(TcpDiscoverySpi.java:1939)
        at 
org.apache.ignite.spi.discovery.tcp.ServerImpl$RingMessageWorker.processNodeAddedMessage(ServerImpl.java:4354)
        at 
org.apache.ignite.spi.discovery.tcp.ServerImpl$RingMessageWorker.processMessage(ServerImpl.java:2744)
        at 
org.apache.ignite.spi.discovery.tcp.ServerImpl$RingMessageWorker.processMessage(ServerImpl.java:2536)
        at 
org.apache.ignite.spi.discovery.tcp.ServerImpl$MessageWorkerAdapter.body(ServerImpl.java:6775)
        at 
org.apache.ignite.spi.discovery.tcp.ServerImpl$RingMessageWorker.body(ServerImpl.java:2621)
        at org.apache.ignite.spi.IgniteSpiThread.run(IgniteSpiThread.java:62)
[15:19:14,423][SEVERE][tcp-disco-msg-worker-#3][] Critical system error 
detected. Will be handled accordingly to configured handler [hnd=class 
o.a.i.failure.StopNodeOrHaltFailureHandler, failureCtx=FailureContext 
[type=SYSTEM_WORKER_TERMINATION, err=class o.a.i.IgniteException: Node with 
BaselineTopology cannot join mixed cluster running in compatibility mode]]
class org.apache.ignite.IgniteException: Node with BaselineTopology cannot join 
mixed cluster running in compatibility mode
        at 
org.apache.ignite.internal.processors.cluster.GridClusterStateProcessor.onGridDataReceived(GridClusterStateProcessor.java:714)
        at 
org.apache.ignite.internal.managers.discovery.GridDiscoveryManager$5.onExchange(GridDiscoveryManager.java:883)
        at 
org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi.onExchange(TcpDiscoverySpi.java:1939)
        at 
org.apache.ignite.spi.discovery.tcp.ServerImpl$RingMessageWorker.processNodeAddedMessage(ServerImpl.java:4354)
        at 
org.apache.ignite.spi.discovery.tcp.ServerImpl$RingMessageWorker.processMessage(ServerImpl.java:2744)
        at 
org.apache.ignite.spi.discovery.tcp.ServerImpl$RingMessageWorker.processMessage(ServerImpl.java:2536)
        at 
org.apache.ignite.spi.discovery.tcp.ServerImpl$MessageWorkerAdapter.body(ServerImpl.java:6775)
        at 
org.apache.ignite.spi.discovery.tcp.ServerImpl$RingMessageWorker.body(ServerImpl.java:2621)
        at org.apache.ignite.spi.IgniteSpiThread.run(IgniteSpiThread.java:62)
[15:19:14,424][SEVERE][tcp-disco-msg-worker-#3][] JVM will be halted 
immediately due to the failure: [failureCtx=FailureContext 
[type=SYSTEM_WORKER_TERMINATION, err=class o.a.i.IgniteException: Node with 
BaselineTopology cannot join mixed cluster running in compatibility mode]]


"""


Thanks,

Huang

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