petrov-mg commented on code in PR #13456:
URL: https://github.com/apache/ignite/pull/13456#discussion_r3747972665
##########
modules/core/src/main/java/org/apache/ignite/spi/discovery/tcp/ServerImpl.java:
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@@ -1597,6 +1600,16 @@ else if (U.millisSinceNanos(joinStartNanos) >
spi.joinTimeout)
errs.add(e);
+ if (e instanceof UnsupportedNodeVersionException) {
+ LT.error(log, e, "Failed to initialize a connection with
the remote node. The remote node is running" +
+ " components with an incompatible versions, so the
nodes cannot agree on serialization protocol" +
+ " [rmtAddr=" + addr + ']');
Review Comment:
> It may be a good idea to include error message from
UnsupportedNodeVersionException to the log entry printed here.
Done.
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