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From "Hemanth Yamijala (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ATLAS-628) Starting two Atlas instances at the same time causes exceptions in HA mode.
Date Mon, 18 Apr 2016 18:33:25 GMT

     [ https://issues.apache.org/jira/browse/ATLAS-628?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hemanth Yamijala updated ATLAS-628:
-----------------------------------
    Attachment: ATLAS-628-3.patch

Latest patch from review board. This incorporates review comments raised on review board.

> Starting two Atlas instances at the same time causes exceptions in HA mode.
> ---------------------------------------------------------------------------
>
>                 Key: ATLAS-628
>                 URL: https://issues.apache.org/jira/browse/ATLAS-628
>             Project: Atlas
>          Issue Type: Bug
>    Affects Versions: 0.7-incubating
>            Reporter: Hemanth Yamijala
>            Assignee: Hemanth Yamijala
>            Priority: Blocker
>             Fix For: 0.7-incubating
>
>         Attachments: ATLAS-628-1.patch, ATLAS-628-2.patch, ATLAS-628-3.patch, ATLAS-628.patch
>
>
> Configure HA parameters for Atlas. Use SOLR and HBase as backends. From two terminals
start two instances of Atlas at roughly the same time. This causes failure exceptions and
at least one instance does not start up properly (in either active or passive mode). The relevant
stack trace is:
> {code}
> Caused by: java.lang.ExceptionInInitializerError
>     at org.apache.atlas.repository.graph.GraphBackedMetadataRepository.<clinit>(GraphBackedMetadataRepository.java:67)
>     at java.lang.Class.forName0(Native Method)
>     at java.lang.Class.forName(Class.java:278)
>     at com.google.inject.internal.cglib.core.$ReflectUtils.defineClass(ReflectUtils.java:386)
>     at com.google.inject.internal.cglib.core.$AbstractClassGenerator.create(AbstractClassGenerator.java:219)
>     at com.google.inject.internal.cglib.proxy.$Enhancer.createHelper(Enhancer.java:377)
>     at com.google.inject.internal.cglib.proxy.$Enhancer.createClass(Enhancer.java:317)
>     at com.google.inject.internal.ProxyFactory$ProxyConstructor.<init>(ProxyFactory.java:252)
>     at com.google.inject.internal.ProxyFactory.create(ProxyFactory.java:178)
>     at com.google.inject.internal.ConstructorInjectorStore.createConstructor(ConstructorInjectorStore.java:90)
>     at com.google.inject.internal.ConstructorInjectorStore.access$000(ConstructorInjectorStore.java:29)
>     at com.google.inject.internal.ConstructorInjectorStore$1.create(ConstructorInjectorStore.java:37)
>     at com.google.inject.internal.ConstructorInjectorStore$1.create(ConstructorInjectorStore.java:33)
>     at com.google.inject.internal.FailableCache$1.load(FailableCache.java:37)
>     at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3599)
>     at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2379)
>     at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2342)
>     at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2257)
>     at com.google.common.cache.LocalCache.get(LocalCache.java:4000)
>     at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:4004)
>     at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4874)
>     at com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4880)
>     at com.google.inject.internal.FailableCache.get(FailableCache.java:48)
>     at com.google.inject.internal.ConstructorInjectorStore.get(ConstructorInjectorStore.java:50)
>     at com.google.inject.internal.ConstructorBindingImpl.initialize(ConstructorBindingImpl.java:136)
>     at com.google.inject.internal.InjectorImpl.initializeJitBinding(InjectorImpl.java:547)
>     at com.google.inject.internal.InjectorImpl.createJustInTimeBinding(InjectorImpl.java:884)
>     at com.google.inject.internal.InjectorImpl.createJustInTimeBindingRecursive(InjectorImpl.java:805)
>     at com.google.inject.internal.InjectorImpl.getJustInTimeBinding(InjectorImpl.java:282)
>     at com.google.inject.internal.InjectorImpl.getBindingOrThrow(InjectorImpl.java:214)
>     at com.google.inject.internal.InjectorImpl.getInternalFactory(InjectorImpl.java:890)
>     at com.google.inject.internal.FactoryProxy.notify(FactoryProxy.java:46)
>     at com.google.inject.internal.ProcessedBindingData.runCreationListeners(ProcessedBindingData.java:50)
>     at com.google.inject.internal.InternalInjectorCreator.initializeStatically(InternalInjectorCreator.java:134)
>     ... 24 more
> Caused by: java.lang.IllegalArgumentException: Database has already been initialized
but not frozen
>     at com.google.common.base.Preconditions.checkArgument(Preconditions.java:92)
>     at com.thinkaurelius.titan.graphdb.configuration.GraphDatabaseConfiguration.<init>(GraphDatabaseConfiguration.java:1294)
>     at com.thinkaurelius.titan.core.TitanFactory.open(TitanFactory.java:93)
>     at com.thinkaurelius.titan.core.TitanFactory.open(TitanFactory.java:73)
>     at org.apache.atlas.repository.graph.TitanGraphProvider.getGraphInstance(TitanGraphProvider.java:105)
>     at org.apache.atlas.repository.graph.GraphHelper.<clinit>(GraphHelper.java:64)
> {code}



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