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IllegalChildHashException while starting the node #15633

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timo0 opened this issue Oct 1, 2024 · 3 comments
Open

IllegalChildHashException while starting the node #15633

timo0 opened this issue Oct 1, 2024 · 3 comments
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@timo0 @thenswan
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@timo0
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timo0 commented Oct 1, 2024

JRS failure:
One node faild with:

ERROR | MerkleUtils: | Async tree hashing failed
-- | -- | --
  |   | java.util.concurrent.ExecutionException: com.swirlds.common.merkle.exceptions.IllegalChildHashException: Child has an unexpected null hash

see http://35.247.76.217:8095/swirlds-automation/release/0.55/4N/DynamicFreeze/20241001-101017-GCP-Daily-DynamicFreeze-4N/FCM-VM-DynamicFreeze-2.5k-40m/
@timo0 timo0 added the Platform Tickets pertaining to the platform label Oct 1, 2024
@timo0 timo0 self-assigned this Oct 3, 2024
@kfa-aguda
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kfa-aguda commented Oct 7, 2024 •
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This occurred in today's JTR as well http://35.247.76.217:8095/swirlds-automation/develop/4N/DynamicFreeze/20241007-053936-GCP-Daily-DynamicFreeze-4N/FCM-VM-DynamicFreeze-2.5k-40m/swirlds-logs.html. Adding it here for tracking.

@thenswan thenswan self-assigned this Oct 8, 2024
@timo0
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timo0 commented Oct 8, 2024

Feedback from @artemananiev:

The exceptions happens while hashing a MerkleMap. This class is not used in Hedera services any longer. The right way to fix this issue is to change PTT to not use MerkleMap at all

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I filed #15916 to rewrite PlatformTestingTool, so it uses VirtualMaps instead of MerkleMaps.

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