dlmarion opened a new issue, #5643:
URL: https://github.com/apache/accumulo/issues/5643
**Describe the bug**
Saw the following in the Manager log
```
2025-06-13T16:55:05,140 [manager.Manager] ERROR: Error cleaning up migrations
java.lang.IllegalStateException: This method should only be called if there
is a migration
at
com.google.common.base.Preconditions.checkState(Preconditions.java:513)
~[guava-33.4.6-jre.jar:?]
at
org.apache.accumulo.manager.Manager.shouldCleanupMigration(Manager.java:586)
~[accumulo-manager-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
at
org.apache.accumulo.manager.Manager$MigrationCleanupThread.run(Manager.java:568)
~[accumulo-manager-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
at
org.apache.accumulo.core.util.threads.Threads.lambda$createCriticalThread$0(Threads.java:76)
~[accumulo-core-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
at
org.apache.accumulo.core.trace.TraceWrappedRunnable.run(TraceWrappedRunnable.java:52)
~[accumulo-core-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
at java.base/java.lang.Thread.run(Thread.java:840) [?:?]
```
There is either an error in the HasMigrationFilter that is run as part of
the Ample query, or the migration was removed after the filter ran, but before
the TabletMetadata was returned, by some other process.
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