DNS discovery Unhandled exception

[fab-10]

{
  "@timestamp": "2025-03-03T12:25:03,887",
  "level": "ERROR",
  "thread": "vert.x-virtual-thread-147492",
  "class": "ContextImpl",
  "message": "Unhandled exception",
  "throwable": " java.lang.IllegalArgumentException: Last unit does not have enough valid bits
at java.base/java.util.Base64$Decoder.decode0(Base64.java:872)
at java.base/java.util.Base64$Decoder.decode(Base64.java:570)
at org.apache.tuweni.io.Base64URLSafe.decodeBytes(Base64URLSafe.java:56)
at org.apache.tuweni.io.Base64URLSafe.decode(Base64URLSafe.java:66)
at java.base/java.util.Optional.map(Optional.java:260)
at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSEntry$ENRNode.<init>(DNSEntry.java:85)
at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSEntry.readDNSEntry(DNSEntry.java:49)
at java.base/java.util.Optional.map(Optional.java:260)
at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.resolveRecord(DNSResolver.java:173)
at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.internalVisit(DNSResolver.java:142)
at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.internalVisit(DNSResolver.java:154)
at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.internalVisit(DNSResolver.java:154)
at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.internalVisit(DNSResolver.java:154)
at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.internalVisit(DNSResolver.java:154)
at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.visitTree(DNSResolver.java:136)
at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.collectAll(DNSResolver.java:89)
at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSDaemon.refreshENRRecords(DNSDaemon.java:100)
at io.vertx.core.impl.VertxImpl$InternalTimerHandler.handle(VertxImpl.java:1082)
at io.vertx.core.impl.VertxImpl$InternalTimerHandler.handle(VertxImpl.java:1058)
at io.vertx.core.impl.ContextImpl.emit(ContextImpl.java:328)
at io.vertx.core.impl.ContextImpl.lambda$emit$5(ContextImpl.java:335)
at io.vertx.core.impl.WorkerExecutor.lambda$execute$0(WorkerExecutor.java:68)
at io.vertx.core.impl.TaskQueue.run(TaskQueue.java:76)
at io.vertx.core.impl.ThreadPerTaskExecutorService.lambda$execute$0(ThreadPerTaskExecutorService.java:82)
at java.base/java.lang.VirtualThread.run(VirtualThread.java:329)\n"}

Frequency: [What percentage of the time does it occur?]

Rare

Versions (Add all that apply)

• Software version: 25.2.1

[macfarla]

just got this error starting up locally built docker image

docker run hyperledger/besu:25.3-develop-a68b462
...
2025-03-04 03:48:19.714+00:00 | main | INFO  | SnapSyncDownloader | Starting pivot-based sync
2025-03-04 03:48:19.715+00:00 | main | INFO  | Runner | Ethereum main loop is up.
2025-03-04 03:48:41.462+00:00 | vert.x-virtual-thread-1 | ERROR | ContextImpl | Unhandled exception
java.lang.IllegalArgumentException: Last unit does not have enough valid bits
	at java.base/java.util.Base64$Decoder.decode0(Base64.java:872)
	at java.base/java.util.Base64$Decoder.decode(Base64.java:570)
	at org.apache.tuweni.io.Base64URLSafe.decodeBytes(Base64URLSafe.java:56)
	at org.apache.tuweni.io.Base64URLSafe.decode(Base64URLSafe.java:66)
	at java.base/java.util.Optional.map(Optional.java:260)
	at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSEntry$ENRNode.<init>(DNSEntry.java:85)
	at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSEntry.readDNSEntry(DNSEntry.java:49)
	at java.base/java.util.Optional.map(Optional.java:260)
	at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.resolveRecord(DNSResolver.java:173)
	at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.internalVisit(DNSResolver.java:142)
	at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.internalVisit(DNSResolver.java:154)
	at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.internalVisit(DNSResolver.java:154)
	at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.internalVisit(DNSResolver.java:154)
	at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.internalVisit(DNSResolver.java:154)
	at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.visitTree(DNSResolver.java:136)
	at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSResolver.collectAll(DNSResolver.java:89)
	at org.hyperledger.besu.ethereum.p2p.discovery.dns.DNSDaemon.refreshENRRecords(DNSDaemon.java:100)
	at io.vertx.core.impl.VertxImpl$InternalTimerHandler.handle(VertxImpl.java:1107)
	at io.vertx.core.impl.VertxImpl$InternalTimerHandler.handle(VertxImpl.java:1083)
	at io.vertx.core.impl.ContextImpl.emit(ContextImpl.java:342)
	at io.vertx.core.impl.ContextImpl.lambda$emit$8(ContextImpl.java:349)
	at io.vertx.core.impl.WorkerExecutor$1.execute(WorkerExecutor.java:70)
	at io.vertx.core.impl.WorkerTask.run(WorkerTask.java:56)
	at io.vertx.core.impl.TaskQueue.run(TaskQueue.java:81)
	at io.vertx.core.impl.ThreadPerTaskExecutorService.lambda$execute$0(ThreadPerTaskExecutorService.java:82)
	at java.base/java.lang.VirtualThread.run(VirtualThread.java:329)
2025-03-04 03:49:19.756+00:00 | EthScheduler-Timer-0 | INFO  | PivotSelectorFromSafeBlock | Waiting for consensus client, this may be because your consensus client is still syncing
2025-03-04 03:50:19.687+00:00 | vert.x-eventloop-thread-0 | WARN  | EngineQosTimer | Execution engine not called in 120 seconds, consensus client may not be connected
2025-03-04 03:50:19.795+00:00 | EthScheduler-Timer-0 | INFO  | PivotSelectorFromSafeBlock | Waiting for consensus client, this may be because your consensus client is still syncing
2025-03-04 03:51:19.831+00:00 | EthScheduler-Timer-0 | INFO  | PivotSelectorFromSafeBlock | Waiting for consensus client, this may be because your consensus client is still syncing
2025-03-04 03:52:19.711+00:00 | vert.x-eventloop-thread-0 | WARN  | EngineQosTimer | Execution engine not called in 120 seconds, consensus client may not be connected