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I try to switch from arangodb 3.9 to 3.12 and therfore updated to the latest driver version. I have a couple of synced query executions. One recently ended up onto a deadlock situation with the following error:
No serializer found for class Component$CookingInstruction and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_B
EANS)
WARN i.v.core.impl.BlockedThreadChecker - Thread Thread[adb-http-0,5,main] has been blocked for 2437 ms, time limit is 2000 ms
...
io.vertx.core.VertxException: Thread blocked
The issue was a static class that had only no field visibility definitions.
public static class MyBean {
String name;
}
It's ok that the class causes the bean serializer issue, but I think the deadlock should not happen.
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