Besu FCU timeout

[jframe]

Besu is timing out on the FCU. Restarting Besu is the only way to fix the error.

Seeing a lot of logs with

io.vertx.core.VertxException: Thread blocked
        at java.base/jdk.internal.misc.Unsafe.park(Native Method)
        at java.base/java.util.concurrent.locks.LockSupport.park(LockSupport.java:221)
        at java.base/java.util.concurrent.CompletableFuture$Signaller.block(CompletableFuture.java:1864)
        at java.base/java.util.concurrent.ForkJoinPool.unmanagedBlock(ForkJoinPool.java:3780)
        at java.base/java.util.concurrent.ForkJoinPool.managedBlock(ForkJoinPool.java:3725)
        at java.base/java.util.concurrent.CompletableFuture.waitingGet(CompletableFuture.java:1898)
        at java.base/java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2072)
        at org.hyperledger.besu.ethereum.api.jsonrpc.internal.methods.ExecutionEngineJsonRpcMethod.response(ExecutionEngineJsonRpcMethod.java:115)
        at org.hyperledger.besu.ethereum.api.jsonrpc.execution.BaseJsonRpcProcessor.process(BaseJsonRpcProcessor.java:44)
        at org.hyperledger.besu.ethereum.api.jsonrpc.execution.TracedJsonRpcProcessor.process(TracedJsonRpcProcessor.java:41)

And in Teku

2024-04-12 02:03:19.185 ERROR - Failed to update fork choice.
java.util.concurrent.CompletionException: tech.pegasys.teku.ethereum.executionclient.response.InvalidRemoteResponseException: Invalid remote response from the execution client: TimeoutException
at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:315) ~[?:?]
at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:320) ~[?:?]
at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:649) ~[?:?]
at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510) ~[?:?]
at java.base/java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:2179) ~[?:?]
at tech.pegasys.teku.infrastructure.async.SafeFuture.lambda$propagateResult$3(SafeFuture.java:146) ~[teku-infrastructure-async-24.3.1.jar:24.3.1]
at java.base/java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:863) ~[?:?]
at java.base/java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:841) ~[?:?]
at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510) ~[?:?]
at java.base/java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:2179) ~[?:?]
Caused by: tech.pegasys.teku.ethereum.executionclient.response.InvalidRemoteResponseException: Invalid remote response from the execution client: TimeoutException
at tech.pegasys.teku.ethereum.executionclient.response.ResponseUnwrapper.unwrapResponseOrThrow(ResponseUnwrapper.java:39) ~[teku-ethereum-executionclient-24.3.1.jar:24.3.1]
at tech.pegasys.teku.ethereum.executionclient.response.ResponseUnwrapper.unwrapExecutionClientResponseOrThrow(ResponseUnwrapper.java:22) ~[teku-ethereum-executionclient-24.3.1.jar:24.3.1]
at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:646) ~[?:?]
... 7 more
2024-04-12 02:03:19.192 ERROR - Unable to import block: Execution Client returned an error: tech.pegasys.teku.ethereum.executionclient.response.InvalidRemoteResponseException: Invalid remote response from the execution client: TimeoutException

Besu logs:
besu.txt

Teku logs:
teku.txt

[non-fungible-nelson]

@ahamlat if you have a moment