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Posted to commits@cloudstack.apache.org by GitBox <gi...@apache.org> on 2019/04/05 15:59:53 UTC
[GitHub] [cloudstack] nvazquez commented on issue #3264: Volume snapshot
listing failing when originating primary pool removed
nvazquez commented on issue #3264: Volume snapshot listing failing when originating primary pool removed
URL: https://github.com/apache/cloudstack/issues/3264#issuecomment-480329760
Error is NullPointerException on `StorageSubsystemSnapshotStrategy`, as the pool is removed, this line returns an empty pool: https://github.com/apache/cloudstack/blob/4.11.2.0/engine/storage/snapshot/src/org/apache/cloudstack/storage/snapshot/StorageSystemSnapshotStrategy.java#L976
````
2019-04-05 13:48:39,507 ERROR [c.c.a.ApiServer] (qtp788117692-12:ctx-817b96c3 ctx-5c399d14) (logid:9277d33d) unhandled exception executing api command: [Ljava.lang.String;@2829384
java.lang.NullPointerException
at org.apache.cloudstack.storage.snapshot.StorageSystemSnapshotStrategy.canHandle(StorageSystemSnapshotStrategy.java:978)
at org.apache.cloudstack.storage.helper.StorageStrategyFactoryImpl$3.canHandle(StorageStrategyFactoryImpl.java:72)
at org.apache.cloudstack.storage.helper.StorageStrategyFactoryImpl$3.canHandle(StorageStrategyFactoryImpl.java:69)
at org.apache.cloudstack.storage.helper.StorageStrategyFactoryImpl.bestMatch(StorageStrategyFactoryImpl.java:95)
at org.apache.cloudstack.storage.helper.StorageStrategyFactoryImpl.getSnapshotStrategy(StorageStrategyFactoryImpl.java:69)
at org.apache.cloudstack.storage.snapshot.SnapshotObject.isRevertable(SnapshotObject.java:134)
at com.cloud.api.ApiResponseHelper.createSnapshotResponse(ApiResponseHelper.java:536)
at org.apache.cloudstack.api.command.user.snapshot.ListSnapshotsCmd.execute(ListSnapshotsCmd.java:117)
at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:150)
at com.cloud.api.ApiServer.queueCommand(ApiServer.java:732)
````
Possible workarounds:
- Remove the entry on `snapshot_store_ref` with store_role = Primary for conflicting snapshot.
- Update the pool_id column on `snapshot_store_ref` for conflicting snapshot to a non-removed pool id.
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