Installed jira and confluence in unbuntu 16.4 environment. It was working ok to start with but up on restart, I got this error in Conluence then JIRA gives "Unexpected exception during JIRA startup. This JIRA instance will not be able to recover. Please check the logs for details"
type Exception report
message 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
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$0(TenantGate.java:43)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:208)
com.sun.proxy.$Proxy54.getCurrentSession(Unknown Source)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
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.executeWithNativeSession(HibernateTemplate.java:326)
org.springframework.orm.hibernate5.HibernateTemplate.get(HibernateTemplate.java:443)
org.springframework.orm.hibernate5.HibernateTemplate.get(HibernateTemplate.java:436)
com.atlassian.confluence.user.rememberme.DefaultConfluenceRememberMeTokenDao.findById(DefaultConfluenceRememberMeTokenDao.java:21)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
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$1.proceedWithInvocation(TransactionInterceptor.java:99)
org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:208)
com.sun.proxy.$Proxy154.findById(Unknown Source)
com.atlassian.seraph.service.rememberme.DefaultRememberMeService.getRememberMeCookieAuthenticatedUsername(DefaultRememberMeService.java:49)
com.atlassian.seraph.auth.DefaultAuthenticator.getUserFromCookie(DefaultAuthenticator.java:430)
com.atlassian.seraph.auth.DefaultAuthenticator.getUser(DefaultAuthenticator.java:330)
com.atlassian.confluence.user.ConfluenceAuthenticator.getUser(ConfluenceAuthenticator.java:122)
com.atlassian.seraph.filter.SecurityFilter.doFilter(SecurityFilter.java:139)
com.atlassian.confluence.web.filter.ConfluenceSecurityFilter.doFilter(ConfluenceSecurityFilter.java:25)
com.atlassian.confluence.web.filter.ThreadLocalCacheFilter.doFilter(ThreadLocalCacheFilter.java:25)
com.atlassian.security.auth.trustedapps.filter.TrustedApplicationsFilter.doFilter(TrustedApplicationsFilter.java:103)
com.atlassian.confluence.util.AbstractBootstrapHotSwappingFilter.doFilter(AbstractBootstrapHotSwappingFilter.java:32)
com.atlassian.confluence.util.AbstractBootstrapHotSwappingFilter$SwapOnBootstrapFilter.doFilter(AbstractBootstrapHotSwappingFilter.java:53)
com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
com.atlassian.confluence.util.AbstractBootstrapHotSwappingFilter.doFilter(AbstractBootstrapHotSwappingFilter.java:32)
com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
com.atlassian.seraph.filter.BaseLoginFilter.doFilter(BaseLoginFilter.java:148)
com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:39)
com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:70)
com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:58)
com.atlassian.confluence.util.ClusterHeaderFilter.doFilter(ClusterHeaderFilter.java:56)
com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
com.atlassian.core.filters.cache.AbstractCachingFilter.doFilter(AbstractCachingFilter.java:33)
com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:39)
com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:70)
com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:58)
com.atlassian.confluence.internal.web.filter.spring.IgnoreWebAsyncManagerFilter.doFilter(IgnoreWebAsyncManagerFilter.java:59)
com.atlassian.confluence.web.filter.validateparam.RequestParamValidationFilter.doFilter(RequestParamValidationFilter.java:51)
com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
com.atlassian.confluence.web.filter.TranslationModeFilter.doFilter(TranslationModeFilter.java:39)
com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
com.atlassian.confluence.plugin.servlet.filter.ActionContextCleanUp.doFilter(ActionContextCleanUp.java:72)
com.atlassian.confluence.web.filter.LanguageExtractionFilter.doFilter(LanguageExtractionFilter.java:49)
com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
com.atlassian.confluence.impl.vcache.VCacheRequestContextFilter.doFilter(VCacheRequestContextFilter.java:58)
com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
com.atlassian.confluence.util.LoggingContextFilter.doFilter(LoggingContextFilter.java:33)
com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
com.atlassian.confluence.util.RequestCacheThreadLocalFilter.doFilter(RequestCacheThreadLocalFilter.java:65)
com.atlassian.confluence.web.filter.ZipkinTracingFilter.doFilter(ZipkinTracingFilter.java:54)
com.atlassian.confluence.web.filter.ResponseOutputStreamFilter.doFilter(ResponseOutputStreamFilter.java:23)
com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
com.atlassian.confluence.web.ConfluenceJohnsonFilter.doFilter(ConfluenceJohnsonFilter.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.