PGSQL 9.6 connectivity issue

my server was crashed due to power issue and since then its not coming up. It shows following  error 

2017-09-18 00:01:29,085 WARN [localhost-startStop-1] [confluence.impl.vcache.SynchronousExternalCache] lambda$get$11 Failed to read entry from cache 'com.atlassian.bandana.BandanaPersister': Failed
 due to UNCLASSIFIED_FAILURE
2017-09-18 00:01:29,094 ERROR [localhost-startStop-1] [engine.jdbc.spi.SqlExceptionHelper] logExceptions ERROR: missing chunk number 0 for toast value 57903 in pg_toast_2619
2017-09-18 00:01:29,095 WARN [localhost-startStop-1] [confluence.impl.hibernate.ConfluenceHibernateTransactionManager] doRollback Performing rollback. Transactions:
  ->[com.atlassian.confluence.setup.bandana.ConfluenceDaoBandanaPersister.retrieve]: PROPAGATION_REQUIRED,ISOLATION_DEFAULT,readOnly (Session #1177772524)
2017-09-18 00:01:29,103 ERROR [localhost-startStop-1] [atlassian.confluence.plugin.BandanaPluginStateStore] load Exception when loading plugins state from the database. Falling back to in memory st
ate.
java.util.concurrent.CompletionException: org.springframework.orm.hibernate5.HibernateJdbcException: JDBC exception on Hibernate data access: SQLException for SQL [n/a]; SQL state [XX000]; error co
de [0]; could not extract ResultSet; nested exception is org.hibernate.exception.GenericJDBCException: could not extract ResultSet
        at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273)
        at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280)
        at java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:824)
        at java.util.concurrent.CompletableFuture.uniHandleStage(CompletableFuture.java:834)
        at java.util.concurrent.CompletableFuture.handle(CompletableFuture.java:2155)
        at java.util.concurrent.CompletableFuture.handle(CompletableFuture.java:110)
        at com.atlassian.confluence.impl.concurrency.CompletionStageUtils.foldResult(CompletionStageUtils.java:19)
        at com.atlassian.confluence.impl.vcache.SynchronousExternalCache.get(SynchronousExternalCache.java:236)
        at com.atlassian.confluence.setup.bandana.ConfluenceCachingBandanaPersister.retrieve(ConfluenceCachingBandanaPersister.java:78)
        at com.atlassian.confluence.setup.bandana.ConfluenceCachingBandanaPersister.retrieve(ConfluenceCachingBandanaPersister.java:71)
        at com.atlassian.bandana.DefaultBandanaManager.getValue(DefaultBandanaManager.java:32)
        at com.atlassian.bandana.DefaultBandanaManager.getValue(DefaultBandanaManager.java:24)
        at com.atlassian.confluence.plugin.BandanaPluginStateStore.lambda$load$1(BandanaPluginStateStore.java:57)
        at com.atlassian.confluence.tenant.TenantGate$3.call(TenantGate.java:145)
        at com.atlassian.confluence.plugin.BandanaPluginStateStore.load(BandanaPluginStateStore.java:69)
        at com.atlassian.confluence.plugin.CachingPluginStateStore.lambda$load$0(CachingPluginStateStore.java:44)
        at com.atlassian.vcache.internal.core.metrics.TimedSupplier.get(TimedSupplier.java:32)
        at com.atlassian.vcache.internal.legacy.LegacyJvmCache.lambda$get$4(LegacyJvmCache.java:52)
        at java.util.Optional.orElseGet(Optional.java:267)
        at com.atlassian.vcache.internal.legacy.LegacyJvmCache.get(LegacyJvmCache.java:50)
        at com.atlassian.vcache.internal.core.metrics.TimedLocalCacheOperations.get(TimedLocalCacheOperations.java:64)
        at com.atlassian.confluence.plugin.CachingPluginStateStore.load(CachingPluginStateStore.java:43)
        at com.atlassian.plugin.manager.PluginPersistentStateModifier.getState(PluginPersistentStateModifier.java:18)
        at com.atlassian.plugin.manager.DefaultPluginManager.getState(DefaultPluginManager.java:1090)
        at com.atlassian.plugin.manager.DefaultPluginManager.earlyStartup(DefaultPluginManager.java:540)
        at com.atlassian.confluence.plugin.ConfluencePluginManager.earlyStartup(ConfluencePluginManager.java:143)
        at com.atlassian.confluence.plugin.PluginFrameworkContextListener.contextInitialized(PluginFrameworkContextListener.java:64)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4853)
        at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5314)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
        at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
        at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:748)

1 answer

So it was database. I took the dump and restore the database and was able to login again to confluence.

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