I use the Scroll PDF Exporter app. The developers of this app sayed, that there is a database problem that causes Confluence to fail when an app tries to fetch the connection whitelist from Confluence. This is not just happening during the export with our app, but everywhere that the Confluence Whitelist is accessed, even in Confluence-native functionality.
This error occurs when a page is exported:
021-06-09 12:07:38,114 WARN [active-objects-init-system tenant-0] [atlassian.activeobjects.osgi.TenantAwareActiveObjects] call bundle [com.atlassian.plugins.atlassian-whitelist-core-plugin] failed to create ActiveObjectsjava.lang.IllegalStateException: Could not find column 'AUTHENTICATIONREQUIRED' in previously parsed query! at net.java.ao.schema.helper.DatabaseMetaDataReaderImpl.getFields(DatabaseMetaDataReaderImpl.java:120) at net.java.ao.schema.ddl.SchemaReader.readFields(SchemaReader.java:126) at net.java.ao.schema.ddl.SchemaReader.readTable(SchemaReader.java:110) at net.java.ao.schema.ddl.SchemaReader.access$000(SchemaReader.java:62) at net.java.ao.schema.ddl.SchemaReader$1.apply(SchemaReader.java:99) at net.java.ao.schema.ddl.SchemaReader$1.apply(SchemaReader.java:97) at com.google.common.collect.Iterators$6.transform(Iterators.java:785) at com.google.common.collect.TransformedIterator.next(TransformedIterator.java:47) at com.google.common.collect.Iterators.addAll(Iterators.java:358) at com.google.common.collect.Lists.newArrayList(Lists.java:147) at com.google.common.collect.Lists.newArrayList(Lists.java:133) at net.java.ao.schema.ddl.SchemaReader.readSchema(SchemaReader.java:97) at net.java.ao.schema.ddl.SchemaReader.readSchema(SchemaReader.java:88) at net.java.ao.schema.ddl.SchemaReader.readSchema(SchemaReader.java:81) at net.java.ao.schema.SchemaGenerator.generateImpl(SchemaGenerator.java:107) at net.java.ao.schema.SchemaGenerator.migrate(SchemaGenerator.java:84) at net.java.ao.EntityManager.migrate(EntityManager.java:131) at com.atlassian.activeobjects.internal.EntityManagedActiveObjects.migrate(EntityManagedActiveObjects.java:52) at com.atlassian.plugins.whitelist.core.ao.ApplicationLinksAuthRequiredMigration.upgrade(ApplicationLinksAuthRequiredMigration.java:36) at com.atlassian.activeobjects.internal.ActiveObjectUpgradeManagerImpl.lambda$upgrade$0(ActiveObjectUpgradeManagerImpl.java:64) at com.atlassian.sal.core.transaction.HostContextTransactionTemplate$1.doInTransaction(HostContextTransactionTemplate.java:21) at com.atlassian.sal.spring.component.SpringHostContextAccessor.lambda$doInTransaction$0(SpringHostContextAccessor.java:70) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:140) at com.atlassian.sal.spring.component.SpringHostContextAccessor.doInTransaction(SpringHostContextAccessor.java:68) at com.atlassian.confluence.spring.transaction.interceptor.ConfluenceSpringHostContextAccessor.access$001(ConfluenceSpringHostContextAccessor.java:21) at com.atlassian.confluence.spring.transaction.interceptor.ConfluenceSpringHostContextAccessor.lambda$doInTransaction$3(ConfluenceSpringHostContextAccessor.java:72) at com.atlassian.confluence.impl.vcache.VCacheRequestContextManager.doInRequestContextInternal(VCacheRequestContextManager.java:84) at com.atlassian.confluence.impl.vcache.VCacheRequestContextManager.doInRequestContext(VCacheRequestContextManager.java:68) at com.atlassian.confluence.spring.transaction.interceptor.ConfluenceSpringHostContextAccessor.doInTransaction(ConfluenceSpringHostContextAccessor.java:72) at com.atlassian.sal.core.transaction.HostContextTransactionTemplate.execute(HostContextTransactionTemplate.java:18) at jdk.internal.reflect.GeneratedMethodAccessor296.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.base/java.lang.reflect.Method.invoke(Unknown Source) at com.atlassian.plugin.util.ContextClassLoaderSettingInvocationHandler.invoke(ContextClassLoaderSettingInvocationHandler.java:26) at com.sun.proxy.$Proxy272.execute(Unknown Source) at jdk.internal.reflect.GeneratedMethodAccessor296.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.base/java.lang.reflect.Method.invoke(Unknown Source) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343) at org.eclipse.gemini.blueprint.service.importer.support.internal.aop.ServiceInvoker.doInvoke(ServiceInvoker.java:56) at org.eclipse.gemini.blueprint.service.importer.support.internal.aop.ServiceInvoker.invoke(ServiceInvoker.java:60) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:136) at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:124) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.eclipse.gemini.blueprint.service.util.internal.aop.ServiceTCCLInterceptor.invokeUnprivileged(ServiceTCCLInterceptor.java:70) at org.eclipse.gemini.blueprint.service.util.internal.aop.ServiceTCCLInterceptor.invoke(ServiceTCCLInterceptor.java:53) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.eclipse.gemini.blueprint.service.importer.support.LocalBundleContextAdvice.invoke(LocalBundleContextAdvice.java:57) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:136) at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:124) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) at com.sun.proxy.$Proxy1138.execute(Unknown Source) at com.atlassian.activeobjects.internal.SalTransactionManager.inTransaction(SalTransactionManager.java:42) at com.atlassian.activeobjects.internal.AbstractLoggingTransactionManager.doInTransaction(AbstractLoggingTransactionManager.java:16) at com.atlassian.activeobjects.internal.EntityManagedActiveObjects.executeInTransaction(EntityManagedActiveObjects.java:214) at com.atlassian.activeobjects.internal.ActiveObjectUpgradeManagerImpl.upgrade(ActiveObjectUpgradeManagerImpl.java:62) at com.atlassian.activeobjects.internal.ActiveObjectUpgradeManagerImpl.upgrade(ActiveObjectUpgradeManagerImpl.java:34) at com.atlassian.activeobjects.internal.DataSourceProviderActiveObjectsFactory.upgrade(DataSourceProviderActiveObjectsFactory.java:84) at com.atlassian.activeobjects.internal.AbstractActiveObjectsFactory.create(AbstractActiveObjectsFactory.java:65) at com.atlassian.activeobjects.internal.DelegatingActiveObjectsFactory.create(DelegatingActiveObjectsFactory.java:32) at com.atlassian.activeobjects.osgi.TenantAwareActiveObjects$1$1$1.call(TenantAwareActiveObjects.java:91) at com.atlassian.activeobjects.osgi.TenantAwareActiveObjects$1$1$1.call(TenantAwareActiveObjects.java:86) at com.atlassian.sal.core.executor.ThreadLocalDelegateCallable.call(ThreadLocalDelegateCallable.java:38) at com.atlassian.confluence.impl.vcache.VCacheRequestContextManager.doInRequestContextInternal(VCacheRequestContextManager.java:84) at com.atlassian.confluence.impl.vcache.VCacheRequestContextManager.doInRequestContext(VCacheRequestContextManager.java:68) at com.atlassian.confluence.vcache.VCacheRequestContextOperations.lambda$withRequestContext$1(VCacheRequestContextOperations.java:59) at java.base/java.util.concurrent.FutureTask.run(Unknown Source) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.base/java.lang.Thread.run(Unknown Source)