dlmarion opened a new issue, #6084:
URL: https://github.com/apache/accumulo/issues/6084
When running locally with one compactor in the default resource group, the
command either returns nothing or the following stack trace.
```
2026-01-28T20:59:51,407 [util.ECAdmin] ERROR: Cannot invoke
"java.util.List.add(Object)" because the return value of
"java.util.Map.putIfAbsent(Object, Object)" is null
java.lang.NullPointerException: Cannot invoke "java.util.List.add(Object)"
because the return value of "java.util.Map.putIfAbsent(Object, Object)" is null
at
org.apache.accumulo.server.util.ECAdmin.lambda$listCompactorsByQueue$1(ECAdmin.java:284)
at java.base/java.lang.Iterable.forEach(Iterable.java:75)
at
java.base/java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1093)
at
org.apache.accumulo.server.util.ECAdmin.listCompactorsByQueue(ECAdmin.java:283)
at org.apache.accumulo.server.util.ECAdmin.execute(ECAdmin.java:236)
at org.apache.accumulo.start.Main.lambda$execKeyword$0(Main.java:81)
at java.base/java.lang.Thread.run(Thread.java:840)
```
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