Deadlock found when trying to get lock; try restarting transaction

2013-11-21 21:57:20,657 DEBUG [rescope-details:thread-1]  com.atlassian.stash.scm.BaseCommand Executed /usr/bin/git rev-list --format=%H%x02%h%x02%P%x02%p%x02%aN%x02%aE%x02%at%n%B%n%x03 --ignore-missing --stdin --
2013-11-21 21:57:21,240 WARN  [rescope-details:thread-1]  o.h.e.jdbc.spi.SqlExceptionHelper SQL Error: 1213, SQLState: 40001
2013-11-21 21:57:21,241 ERROR [rescope-details:thread-1]  o.h.e.jdbc.spi.SqlExceptionHelper Deadlock found when trying to get lock; try restarting transaction
2013-11-21 21:57:21,256 WARN  [rescope-details:thread-1]  c.a.s.i.p.r.DefaultRescopeProcessor 15173: Could not delete empty rescope with ID 296604
org.hibernate.exception.LockAcquisitionException: could not execute statement
	at org.hibernate.dialect.MySQLDialect$1.convert(MySQLDialect.java:411) ~[hibernate-core-4.2.5.Final.jar:4.2.5.Final]
	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:49) ~[hibernate-core-4.2.5.Final.jar:4.2.5.Final]
	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:125) ~[hibernate-core-4.2.5.Final.jar:4.2.5.Final]
	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:110) ~[hibernate-core-4.2.5.Final.jar:4.2.5.Final]
	at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:136) ~[hibernate-core-4.2.5.Final.jar:4.2.5.Final]
	at org.hibernate.hql.spi.TableBasedDeleteHandlerImpl.execute(TableBasedDeleteHandlerImpl.java:163) ~[hibernate-core-4.2.5.Final.jar:4.2.5.Final]
	at org.hibernate.hql.internal.ast.exec.MultiTableDeleteExecutor.execute(MultiTableDeleteExecutor.java:63) ~[hibernate-core-4.2.5.Final.jar:4.2.5.Final]
	at org.hibernate.hql.internal.ast.QueryTranslatorImpl.executeUpdate(QueryTranslatorImpl.java:414) ~[hibernate-core-4.2.5.Final.jar:4.2.5.Final]
	at org.hibernate.engine.query.spi.HQLQueryPlan.performExecuteUpdate(HQLQueryPlan.java:282) ~[hibernate-core-4.2.5.Final.jar:4.2.5.Final]
	at org.hibernate.internal.SessionImpl.executeUpdate(SessionImpl.java:1290) ~[hibernate-core-4.2.5.Final.jar:4.2.5.Final]
	at org.hibernate.internal.QueryImpl.executeUpdate(QueryImpl.java:116) ~[hibernate-core-4.2.5.Final.jar:4.2.5.Final]
	at com.atlassian.stash.internal.AbstractHibernateDao.deleteById(AbstractHibernateDao.java:53) ~[stash-dao-impl-2.9.1.jar:na]
	at com.atlassian.stash.internal.AbstractHibernateDao.deleteById(AbstractHibernateDao.java:22) ~[stash-dao-impl-2.9.1.jar:na]
	at com.sun.proxy.$Proxy155.deleteById(Unknown Source) ~[na:na]
	at com.atlassian.stash.internal.pull.rescope.DefaultRescopeProcessor$3.doInTransactionWithoutResult(DefaultRescopeProcessor.java:139) ~[stash-service-impl-2.9.1.jar:na]
	at org.springframework.transaction.support.TransactionCallbackWithoutResult.doInTransaction(TransactionCallbackWithoutResult.java:33) ~[spring-tx-3.2.4.RELEASE.jar:3.2.4.RELEASE]
	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:131) ~[spring-tx-3.2.4.RELEASE.jar:3.2.4.RELEASE]
	at com.atlassian.stash.internal.pull.rescope.DefaultRescopeProcessor.deleteActivity(DefaultRescopeProcessor.java:130) [stash-service-impl-2.9.1.jar:na]
	at com.atlassian.stash.internal.pull.rescope.DefaultRescopeProcessor.processAll(DefaultRescopeProcessor.java:100) [stash-service-impl-2.9.1.jar:na]
	at com.atlassian.stash.internal.pull.rescope.DefaultRescopeProcessor.process(DefaultRescopeProcessor.java:77) [stash-service-impl-2.9.1.jar:na]
	at com.atlassian.stash.internal.pull.rescope.DefaultRescopeProcessor$RescopeCalculator.run(DefaultRescopeProcessor.java:219) [stash-service-impl-2.9.1.jar:na]
	at com.atlassian.stash.internal.concurrent.StateTransferringExecutor$StateTransferringRunnable.run(StateTransferringExecutor.java:69) [stash-platform-2.9.1.jar:na]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439) [na:1.6.0_45]
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) [na:1.6.0_45]
	at java.util.concurrent.FutureTask.run(FutureTask.java:138) [na:1.6.0_45]
	at java.lang.Thread.run(Thread.java:662) [na:1.6.0_45]
	... 11 frames trimmed
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLTransactionRollbackException: Deadlock found when trying to get lock; try restarting transaction
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.6.0_45]
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) ~[mysql-connector-java-5.1.24-bin.jar:na]
	at com.mysql.jdbc.Util.getInstance(Util.java:386) ~[mysql-connector-java-5.1.24-bin.jar:na]
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1066) ~[mysql-connector-java-5.1.24-bin.jar:na]
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4120) ~[mysql-connector-java-5.1.24-bin.jar:na]
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4052) ~[mysql-connector-java-5.1.24-bin.jar:na]
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2503) ~[mysql-connector-java-5.1.24-bin.jar:na]
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2664) ~[mysql-connector-java-5.1.24-bin.jar:na]