After JIRA Server 7 startup in the logs I see:
2017-09-20 16:22:50,809 Caesium-1-2 INFO ServiceRunner [c.a.jira.upgrade.LoggingUpgradeService] run upgrades has started
2017-09-20 16:22:56,692 Caesium-1-2 ERROR ServiceRunner [c.a.upgrade.core.DefaultUpgradeTaskFactoryProcessor] Upgrade task [host,buildNumber=73011] failed
com.querydsl.core.QueryException: Caught SQLSyntaxErrorException for insert into OS_CURRENTSTEP (ID, ENTRY_ID, STEP_ID, ACTION_ID, OWNER, START_DATE, DUE_DATE, FINISH_DATE, STATUS, CALLER)
select hs.ID, hs.ENTRY_ID, hs.STEP_ID, hs.ACTION_ID, hs.OWNER, hs.START_DATE, hs.DUE_DATE, null, hs.STATUS, hs.CALLER
from OS_HISTORYSTEP hs
where hs.ENTRY_ID in (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?) and exists (select ISSUE.id
from jiraissue ISSUE
where ISSUE.workflow_id = hs.ENTRY_ID and not exists (select OS_CURRENTSTEP.ID
from OS_CURRENTSTEP OS_CURRENTSTEP
where OS_CURRENTSTEP.ENTRY_ID = ISSUE.workflow_id)) and hs.ID = (select * from (
select hs2.ID
from OS_HISTORYSTEP hs2
where hs.ENTRY_ID = hs2.ENTRY_ID and hs2.FINISH_DATE is not null and not exists (select prevStep.ID
from OS_HISTORYSTEP_PREV prevStep
where prevStep.PREVIOUS_ID = hs2.ID)
order by hs2.FINISH_DATE desc
) where rownum <= ?) and (select * from (
select count(hs2.FINISH_DATE)
from OS_HISTORYSTEP hs2
where hs.ENTRY_ID = hs2.ENTRY_ID and hs2.FINISH_DATE is not null and not exists (select prevStep.ID
from OS_HISTORYSTEP_PREV prevStep
where prevStep.PREVIOUS_ID = hs2.ID)
group by hs2.FINISH_DATE
order by hs2.FINISH_DATE desc
) where rownum <= ?) = ?
at com.querydsl.sql.DefaultSQLExceptionTranslator.translate(DefaultSQLExceptionTranslator.java:50)
at com.querydsl.sql.Configuration.translate(Configuration.java:453)
at com.querydsl.sql.dml.SQLInsertClause.execute(SQLInsertClause.java:396)
at com.atlassian.jira.upgrade.tasks.UpgradeTask_Build73011.lambda$restoreEntriesFromHistory$3(UpgradeTask_Build73011.java:231)
at com.atlassian.jira.database.DefaultQueryDslAccessor.lambda$executeQuery$0(DefaultQueryDslAccessor.java:66)
at com.atlassian.jira.database.DatabaseAccessorImpl.lambda$runInTransaction$0(DatabaseAccessorImpl.java:98)
at com.atlassian.jira.database.DatabaseAccessorImpl.executeQuery(DatabaseAccessorImpl.java:67)
at com.atlassian.jira.database.DatabaseAccessorImpl.runInTransaction(DatabaseAccessorImpl.java:93)
at com.atlassian.jira.database.DefaultQueryDslAccessor.executeQuery(DefaultQueryDslAccessor.java:65)
at com.atlassian.jira.upgrade.tasks.UpgradeTask_Build73011.restoreEntriesFromHistory(UpgradeTask_Build73011.java:197)
at com.atlassian.jira.upgrade.tasks.UpgradeTask_Build73011.runUpgrade(UpgradeTask_Build73011.java:98)
at com.atlassian.upgrade.core.DefaultUpgradeTaskFactoryProcessor.runOneUpgradeTask(DefaultUpgradeTaskFactoryProcessor.java:109)
at com.atlassian.upgrade.core.DefaultUpgradeTaskFactoryProcessor.lambda$performUpgradesUnsafe$2(DefaultUpgradeTaskFactoryProcessor.java:80)
at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:174)
at java.util.stream.SortedOps$RefSortingSink.end(SortedOps.java:395)
at java.util.stream.Sink$ChainedReference.end(Sink.java:258)
at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:499)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:485)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:152)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:464)
at com.atlassian.upgrade.core.DefaultUpgradeTaskFactoryProcessor.performUpgradesUnsafe(DefaultUpgradeTaskFactoryProcessor.java:81)
at com.atlassian.upgrade.core.DefaultUpgradeTaskFactoryProcessor.performUpgrades(DefaultUpgradeTaskFactoryProcessor.java:46)
at com.atlassian.upgrade.core.DefaultUpgradeTaskManager.upgradeHostApp(DefaultUpgradeTaskManager.java:41)
at com.atlassian.jira.upgrade.LicenseCheckingUpgradeService.executeUpgrades(LicenseCheckingUpgradeService.java:134)
at com.atlassian.jira.upgrade.LicenseCheckingUpgradeService.runUpgrades(LicenseCheckingUpgradeService.java:97)
at com.atlassian.jira.upgrade.ClusterLockingUpgradeService.runUpgrades(ClusterLockingUpgradeService.java:35)
at com.atlassian.jira.upgrade.LoggingUpgradeService.lambda$runUpgradesWithLogging$0(LoggingUpgradeService.java:28)
at com.atlassian.jira.upgrade.LoggingUpgradeService.runWithTaskLogging(LoggingUpgradeService.java:43)
at com.atlassian.jira.upgrade.LoggingUpgradeService.runUpgradesWithLogging(LoggingUpgradeService.java:28)
at com.atlassian.jira.upgrade.IndexingUpgradeService.runUpgrades(IndexingUpgradeService.java:19)
at com.atlassian.jira.upgrade.UpgradeScheduler.runUpgrades(UpgradeScheduler.java:52)
at com.atlassian.scheduler.core.JobLauncher.runJob(JobLauncher.java:153)
at com.atlassian.scheduler.core.JobLauncher.launchAndBuildResponse(JobLauncher.java:118)
at com.atlassian.scheduler.core.JobLauncher.launch(JobLauncher.java:97)
at com.atlassian.scheduler.caesium.impl.CaesiumSchedulerService.launchJob(CaesiumSchedulerService.java:443)
at com.atlassian.scheduler.caesium.impl.CaesiumSchedulerService.executeClusteredJob(CaesiumSchedulerService.java:438)
at com.atlassian.scheduler.caesium.impl.CaesiumSchedulerService.executeClusteredJobWithRecoveryGuard(CaesiumSchedulerService.java:462)
at com.atlassian.scheduler.caesium.impl.CaesiumSchedulerService.executeQueuedJob(CaesiumSchedulerService.java:390)
at com.atlassian.scheduler.caesium.impl.CaesiumSchedulerService$1.consume(CaesiumSchedulerService.java:285)
at com.atlassian.scheduler.caesium.impl.CaesiumSchedulerService$1.consume(CaesiumSchedulerService.java:282)
at com.atlassian.scheduler.caesium.impl.SchedulerQueueWorker.executeJob(SchedulerQueueWorker.java:65)
at com.atlassian.scheduler.caesium.impl.SchedulerQueueWorker.executeNextJob(SchedulerQueueWorker.java:59)
at com.atlassian.scheduler.caesium.impl.SchedulerQueueWorker.run(SchedulerQueueWorker.java:34)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.sql.SQLSyntaxErrorException: ORA-00904: "HS"."ENTRY_ID": invalid identifier
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:450)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:399)
at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:1017)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:655)
at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:566)
at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:215)
at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:58)
at oracle.jdbc.driver.T4CPreparedStatement.executeForRows(T4CPreparedStatement.java:943)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1075)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3820)
at oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePreparedStatement.java:3897)
at oracle.jdbc.driver.OraclePreparedStatementWrapper.executeUpdate(OraclePreparedStatementWrapper.java:1361)
at org.apache.commons.dbcp2.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:98)
at org.apache.commons.dbcp2.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:98)
at com.querydsl.sql.dml.SQLInsertClause.execute(SQLInsertClause.java:382)
... 43 more
2017-09-20 16:22:56,921 Caesium-1-2 WARN ServiceRunner [c.a.upgrade.core.DefaultUpgradeTaskFactoryProcessor] Failed to complete upgrade task [factory=host,buildNumber=73011]
2017-09-20 16:22:56,923 Caesium-1-2 INFO ServiceRunner [c.a.j.upgrade.util.BuildNumberDao] Setting current build number to 73010
2017-09-20 16:22:56,998 Caesium-1-2 ERROR ServiceRunner [c.a.jira.upgrade.LicenseCheckingUpgradeService] There was an error running the upgrades
2017-09-20 16:22:56,998 Caesium-1-2 INFO ServiceRunner [c.a.j.upgrade.util.BuildNumberDao] Setting current version to 7.3.8
2017-09-20 16:22:57,022 ForkJoinPool.commonPool-worker-1 INFO [c.a.j.cache.soy.SoyCacheWarmer] Warmed 41 soy module(s) in 39853 ms, 0 module(s) were not present or disabled, 0 failed.
2017-09-20 16:22:57,033 Caesium-1-4 INFO [c.a.jira.startup.CacheWarmerLauncher] Warmed cache(s) in 39932 ms.
2017-09-20 16:22:57,119 Caesium-1-2 INFO ServiceRunner [c.a.j.upgrade.util.BuildNumberDao] Setting downgrade version to 7.1.2
2017-09-20 16:22:57,210 Caesium-1-2 INFO ServiceRunner [c.a.jira.upgrade.LoggingUpgradeService] run upgrades has finished unsuccessfully, and took 6401 milliseconds to process.
2017-09-20 16:22:57,210 Caesium-1-2 INFO ServiceRunner [c.a.jira.upgrade.UpgradeScheduler] Scheduled upgrades completed with an error
How big of a problem this is? What is the original cause: wrong DB mappings somewhere in JIRA config or what? What is best way to make this error go away?