DomGarguilo opened a new issue, #5098: URL: https://github.com/apache/accumulo/issues/5098
**Describe the bug** When requesting external compaction data from the monitor server, the following code (added in ) is used to memoize and return that data: https://github.com/apache/accumulo/blob/767a68ada50131317e3420dc14780505c523789f/server/monitor/src/main/java/org/apache/accumulo/monitor/Monitor.java#L686-L711 **Versions (OS, Maven, Java, and others, as appropriate):** - Affected version(s) of this project: 2.1 and up **To Reproduce** Steps to reproduce the behavior (or a link to an example repository that reproduces the problem): 1. Start an instance of accumulo 2. Go to the external compactions page 3. look at the monitors logs Here are some portions of the logs: ``` 2024-11-22T15:21:46,486 [monitor.Monitor] INFO : User initiated fetch of running External Compactions from localhost:9132 2024-11-22T15:21:46,486 [external.ECResource] INFO : Got coordinator from monitor = Optional[localhost:9132] 2024-11-22T15:21:46,487 [server.HttpChannel] WARN : /rest/ec/running jakarta.servlet.ServletException: java.lang.NullPointerException: Cannot invoke "Object.getClass()" because "m" is null at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:410) ~[jersey-container-servlet-core-3.0.9.jar:?] at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:346) ~[jersey-container-servlet-core-3.0.9.jar:?] at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:358) ~[jersey-container-servlet-core-3.0.9.jar:?] at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:311) ~[jersey-container-servlet-core-3.0.9.jar:?] ... Caused by: java.lang.NullPointerException: Cannot invoke "Object.getClass()" because "m" is null at java.base/java.util.Collections.unmodifiableMap(Collections.java:1476) ~[?:?] at org.apache.accumulo.monitor.Monitor$ExternalCompactionsSnapshot.<init>(Monitor.java:691) ~[accumulo-monitor-2.1.4-SNAPSHOT.jar:2.1.4-SNAPSHOT] at org.apache.accumulo.monitor.Monitor.computeExternalCompactionsSnapshot(Monitor.java:710) ~[accumulo-monitor-2.1.4-SNAPSHOT.jar:2.1.4-SNAPSHOT] at org.apache.accumulo.monitor.Monitor.lambda$new$1(Monitor.java:635) ~[accumulo-monitor-2.1.4-SNAPSHOT.jar:2.1.4-SNAPSHOT] at com.google.common.base.Suppliers$ExpiringMemoizingSupplier.get(Suppliers.java:261) ~[guava-33.0.0-jre.jar:?] at org.apache.accumulo.monitor.Monitor.getRunnningCompactions(Monitor.java:714) ~[accumulo-monitor-2.1.4-SNAPSHOT.jar:2.1.4-SNAPSHOT] at org.apache.accumulo.monitor.rest.compactions.external.ECResource.getRunning(ECResource.java:63) ~[accumulo-monitor-2.1.4-SNAPSHOT.jar:2.1.4-SNAPSHOT] ... ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
