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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2020/09/03 09:56:31 UTC
[GitHub] [druid] meicool opened a new issue #10348: druid.segmentCache.locationSelectorStrategy config raise Exception
meicool opened a new issue #10348:
URL: https://github.com/apache/druid/issues/10348
Affected Version
0.18.1
Description
When add local cache ,we use druid.segmentCache.locationSelectorStrategy config to scan the disk,but it raise some exception like:
Problem parsing object at prefix[druid.segmentCache]: Cannot construct instance of org.apache.druid.segment.loading.LeastBytesUsedStorageLocationSelectorStrategy (no Creators, like default construct, exist): no String-argument constructor/factory method to deserialize from String value ('roundRobin')
2 historical node ,1 master node
My configure: druid.segmentCache.locationSelectorStrategy=mostAvailableSize
the exception log :
Problem parsing object at prefix[druid.segmentCache]: Cannot construct instance of org.apache.druid.segment.loading.MostAvailableSizeStorageLocatio nSelectorStrategy (no Creators, like default construct, exist): no String-argument constructor/factory method to deserialize from String value ('mostAvailableSize')
at [Source: UNKNOWN; line: -1, column: -1] (through reference chain: org.apache.druid.segment.loading.SegmentLoaderConfig["locationSelectorStrategy
"]).
at org.apache.druid.guice.JsonConfigProvider.bind(JsonConfigProvider.java:151) (via modules: com.google.inject.util.Modules$OverrideModule -> com.
google.inject.util.Modules$OverrideModule -> org.apache.druid.guice.StorageNodeModule)
at org.apache.druid.guice.JsonConfigProvider.bind(JsonConfigProvider.java:151) (via modules: com.google.inject.util.Modules$OverrideModule -> com.
google.inject.util.Modules$OverrideModule -> org.apache.druid.guice.StorageNodeModule)
while locating com.google.common.base.Supplier<org.apache.druid.segment.loading.SegmentLoaderConfig>
at org.apache.druid.guice.JsonConfigProvider.bind(JsonConfigProvider.java:152) (via modules: com.google.inject.util.Modules$OverrideModule -> com.
google.inject.util.Modules$OverrideModule -> org.apache.druid.guice.StorageNodeModule)
while locating org.apache.druid.segment.loading.SegmentLoaderConfig
for the 2nd parameter of org.apache.druid.segment.loading.SegmentLoaderLocalCacheManager.(SegmentLoaderLocalCacheManager.java:88)
while locating org.apache.druid.segment.loading.SegmentLoaderLocalCacheManager
at org.apache.druid.guice.LocalDataStorageDruidModule.configure(LocalDataStorageDruidModule.java:51) (via modules: com.google.inject.util.Modules$
OverrideModule -> com.google.inject.util.Modules$OverrideModule -> org.apache.druid.guice.LocalDataStorageDruidModule)
while locating org.apache.druid.segment.loading.SegmentLoader
for the 1st parameter of org.apache.druid.server.SegmentManager.(SegmentManager.java:100)
at org.apache.druid.cli.CliHistorical.lambda$getModules$0(CliHistorical.java:90) (via modules: com.google.inject.util.Modules$OverrideModule -> co
m.google.inject.util.Modules$OverrideModule -> org.apache.druid.cli.CliHistorical$$Lambda$13/701487403)
while locating org.apache.druid.server.SegmentManager
for the 8th parameter of org.apache.druid.server.coordination.ServerManager.(ServerManager.java:101)
at org.apache.druid.cli.CliHistorical.lambda$getModules$0(CliHistorical.java:89) (via modules: com.google.inject.util.Modules$OverrideModule -> co
m.google.inject.util.Modules$OverrideModule -> org.apache.druid.cli.CliHistorical$$Lambda$13/701487403)
while locating org.apache.druid.server.coordination.ServerManager
at org.apache.druid.cli.CliHistorical.lambda$getModules$0(CliHistorical.java:92) (via modules: com.google.inject.util.Modules$OverrideModule -> co
m.google.inject.util.Modules$OverrideModule -> org.apache.druid.cli.CliHistorical$$Lambda$13/701487403)
while locating org.apache.druid.query.QuerySegmentWalker
for the 2nd parameter of org.apache.druid.server.QueryLifecycleFactory.(QueryLifecycleFactory.java:52)
at org.apache.druid.server.QueryLifecycleFactory.class(QueryLifecycleFactory.java:52)
while locating org.apache.druid.server.QueryLifecycleFactory
for the 1st parameter of org.apache.druid.server.QueryResource.(QueryResource.java:121)
at org.apache.druid.server.QueryResource.class(QueryResource.java:79)
while locating org.apache.druid.server.QueryResource
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[GitHub] [druid] jihoonson commented on issue #10348: druid.segmentCache.locationSelectorStrategy config raise Exception
Posted by GitBox <gi...@apache.org>.
jihoonson commented on issue #10348:
URL: https://github.com/apache/druid/issues/10348#issuecomment-687644253
@meicool @FrankChen021 thank you for looking at this issue. It seems like `StorageLocationSelectorStrategy` is not JSON-serde-able even though it should be. Probably it can be fixed by annotating the constructor and its variable properly in all its implementations.
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[GitHub] [druid] FrankChen021 commented on issue #10348: druid.segmentCache.locationSelectorStrategy config raise Exception
Posted by GitBox <gi...@apache.org>.
FrankChen021 commented on issue #10348:
URL: https://github.com/apache/druid/issues/10348#issuecomment-687059953
According to the code, the configuration item should be `druid.segmentCache.locationSelectorStrategy.type` instead of `druid.segmentCache.locationSelectorStrategy`.
But even using the right property name corresponding to the code, customer strategy still does not work because of a failure of `StorageLocation` injection.
Since `locationSelectorStrategy` is introduced by #8038, @sashidhar would you take a look at this problem ?
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[GitHub] [druid] FrankChen021 commented on issue #10348: druid.segmentCache.locationSelectorStrategy config raise Exception
Posted by GitBox <gi...@apache.org>.
FrankChen021 commented on issue #10348:
URL: https://github.com/apache/druid/issues/10348#issuecomment-688279912
@jihoonson Hi, a PR has been submitted to fix this problem. Please check the PR at your convenience.
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[GitHub] [druid] suneet-s closed issue #10348: druid.segmentCache.locationSelectorStrategy config raise Exception
Posted by GitBox <gi...@apache.org>.
suneet-s closed issue #10348:
URL: https://github.com/apache/druid/issues/10348
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[GitHub] [druid] meicool commented on issue #10348: druid.segmentCache.locationSelectorStrategy config raise Exception
Posted by GitBox <gi...@apache.org>.
meicool commented on issue #10348:
URL: https://github.com/apache/druid/issues/10348#issuecomment-687542284
Thank you for your help,I replaced the configuration item with druid.segmentCache.locationSelectorStrategy.type,but the same error persisted
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[GitHub] [druid] FrankChen021 commented on issue #10348: druid.segmentCache.locationSelectorStrategy config raise Exception
Posted by GitBox <gi...@apache.org>.
FrankChen021 commented on issue #10348:
URL: https://github.com/apache/druid/issues/10348#issuecomment-687584977
@meicool yes,as I mentioned above, it still doesn't work. I think some code fix is needed.
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