confluence urgrade from 6.1 to 6.3.4
Asked by Sabitha Divakaran:

We are getting the below issue while we upgrade the confluence from 6.1 to 6.3.4.  

HTTP Status 500 - com.atlassian.confluence.tenant.VacantException: Confluence is vacant, a call to tenanted \[public abstract org.hibernate.Session org.hibernate.SessionFactory.getCurrentSession() throws org.hibernate.HibernateException\] is not allowed. {#toc-hId-1762942910}
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

**type** Exception report

**message** ++com.atlassian.confluence.tenant.VacantException: Confluence is vacant, a call to tenanted \[public abstract org.hibernate.Session org.hibernate.SessionFactory.getCurrentSession() throws org.hibernate.HibernateException\] is not allowed.++

**description** ++The server encountered an internal error that prevented it from fulfilling this request.++

**exception**

```
java.util.concurrent.CompletionException: com.atlassian.confluence.tenant.VacantException: Confluence is vacant, a call to tenanted [public abstract org.hibernate.Session org.hibernate.SessionFactory.getCurrentSession() throws org.hibernate.HibernateException] is not allowed.	java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273)	java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280)	java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:824)	java.util.concurrent.CompletableFuture.uniHandleStage(CompletableFuture.java:834)	java.util.concurrent.CompletableFuture.handle(CompletableFuture.java:2155)	java.util.concurrent.CompletableFuture.handle(CompletableFuture.java:110)	com.atlassian.confluence.impl.concurrency.CompletionStageUtils.foldResult(CompletionStageUtils.java:19)	com.atlassian.confluence.impl.vcache.SynchronousExternalCache.get(SynchronousExternalCache.java:236)	com.atlassian.confluence.setup.bandana.ConfluenceCachingBandanaPersister.retrieve(ConfluenceCachingBandanaPersister.java:78)	com.atlassian.confluence.setup.bandana.ConfluenceCachingBandanaPersister.retrieve(ConfluenceCachingBandanaPersister.java:71)	com.atlassian.bandana.DefaultBandanaManager.getValue(DefaultBandanaManager.java:32)	com.atlassian.bandana.DefaultBandanaManager.getValue(DefaultBandanaManager.java:24)	com.atlassian.confluence.setup.settings.DefaultSettingsManager.getGlobalSettings(DefaultSettingsManager.java:38)	com.atlassian.confluence.setup.ConfluenceEncodingFilter.getGlobalSettings(ConfluenceEncodingFilter.java:43)	com.atlassian.confluence.setup.ConfluenceEncodingFilter.getEncodingInternal(ConfluenceEncodingFilter.java:33)	com.atlassian.confluence.setup.ConfluenceEncodingFilter.getEncoding(ConfluenceEncodingFilter.java:26)	com.atlassian.core.filters.encoding.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:38)	com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)	com.atlassian.confluence.impl.servlet.HoldingUntilStartedFilter.doFilter(HoldingUntilStartedFilter.java:88)	com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)	com.atlassian.core.filters.HeaderSanitisingFilter.doFilter(HeaderSanitisingFilter.java:44)	com.atlassian.confluence.servlet.FourOhFourErrorLoggingFilter.doFilter(FourOhFourErrorLoggingFilter.java:64)	com.atlassian.confluence.web.filter.DebugFilter.doFilter(DebugFilter.java:46)	com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
```

**root cause**

```
com.atlassian.confluence.tenant.VacantException: Confluence is vacant, a call to tenanted [public abstract org.hibernate.Session org.hibernate.SessionFactory.getCurrentSession() throws org.hibernate.HibernateException] is not allowed.	com.atlassian.confluence.tenant.TenantGate$1.lambda$create$0(TenantGate.java:40)	org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)	org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:208)	com.sun.proxy.$Proxy54.getCurrentSession(Unknown Source)	sun.reflect.GeneratedMethodAccessor107.invoke(Unknown Source)	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	java.lang.reflect.Method.invoke(Method.java:498)	org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:302)	org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)	com.sun.proxy.$Proxy54.getCurrentSession(Unknown Source)	org.springframework.orm.hibernate5.HibernateTemplate.doExecute(HibernateTemplate.java:344)	org.springframework.orm.hibernate5.HibernateTemplate.execute(HibernateTemplate.java:313)	com.atlassian.confluence.setup.bandana.persistence.dao.hibernate.HibernateConfluenceBandanaRecordDao.getRecord(HibernateConfluenceBandanaRecordDao.java:39)	com.atlassian.confluence.setup.bandana.ConfluenceDaoBandanaPersister.retrieve(ConfluenceDaoBandanaPersister.java:29)	sun.reflect.GeneratedMethodAccessor109.invoke(Unknown Source)	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	java.lang.reflect.Method.invoke(Method.java:498)	org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:302)	org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)	org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)	org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)	org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)	org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)	org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)	org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:208)	com.sun.proxy.$Proxy55.retrieve(Unknown Source)	com.atlassian.confluence.setup.bandana.ConfluenceCachingBandanaPersister.lambda$retrieve$0(ConfluenceCachingBandanaPersister.java:80)	com.atlassian.confluence.impl.vcache.SynchronousExternalCache.lambda$get$11(SynchronousExternalCache.java:239)	com.atlassian.confluence.impl.concurrency.CompletionStageUtils.lambda$foldResult$0(CompletionStageUtils.java:19)	java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:822)	java.util.concurrent.CompletableFuture.uniHandleStage(CompletableFuture.java:834)	java.util.concurrent.CompletableFuture.handle(CompletableFuture.java:2155)	java.util.concurrent.CompletableFuture.handle(CompletableFuture.java:110)	com.atlassian.confluence.impl.concurrency.CompletionStageUtils.foldResult(CompletionStageUtils.java:19)	com.atlassian.confluence.impl.vcache.SynchronousExternalCache.get(SynchronousExternalCache.java:236)	com.atlassian.confluence.setup.bandana.ConfluenceCachingBandanaPersister.retrieve(ConfluenceCachingBandanaPersister.java:78)	com.atlassian.confluence.setup.bandana.ConfluenceCachingBandanaPersister.retrieve(ConfluenceCachingBandanaPersister.java:71)	com.atlassian.bandana.DefaultBandanaManager.getValue(DefaultBandanaManager.java:32)	com.atlassian.bandana.DefaultBandanaManager.getValue(DefaultBandanaManager.java:24)	com.atlassian.confluence.setup.settings.DefaultSettingsManager.getGlobalSettings(DefaultSettingsManager.java:38)	com.atlassian.confluence.setup.ConfluenceEncodingFilter.getGlobalSettings(ConfluenceEncodingFilter.java:43)	com.atlassian.confluence.setup.ConfluenceEncodingFilter.getEncodingInternal(ConfluenceEncodingFilter.java:33)	com.atlassian.confluence.setup.ConfluenceEncodingFilter.getEncoding(ConfluenceEncodingFilter.java:26)	com.atlassian.core.filters.encoding.AbstractEncodingFilter.doFilter(AbstractEncodingFilter.java:38)	com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)	com.atlassian.confluence.impl.servlet.HoldingUntilStartedFilter.doFilter(HoldingUntilStartedFilter.java:88)	com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)	com.atlassian.core.filters.HeaderSanitisingFilter.doFilter(HeaderSanitisingFilter.java:44)	com.atlassian.confluence.servlet.FourOhFourErrorLoggingFilter.doFilter(FourOhFourErrorLoggingFilter.java:64)	com.atlassian.confluence.web.filter.DebugFilter.doFilter(DebugFilter.java:46)	com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
```

**note** ++The full stack trace of the root cause is available in the Apache Tomcat/8.0.41 logs.++


Answers:
author: Gregory Van Den Ham
body: Can you check the KB article: <https://confluence.atlassian.com/confkb/confluence-generates-confluence-is-vacant-error-on-install-779164449.html?_ga=2.5364404.603978317.1506388737-1410502379.1479931360>

Also review the upgrade notes for 6.2 and 6.3. How was your pre upgrade health check of the system?