[jira] [Created] (AMBARI-25534) DB purge fails removing topology requests

["Dmytro Vitiuk (Jira)" <ji...@apache.org>]

Dmytro Vitiuk created AMBARI-25534:
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             Summary: DB purge fails removing topology requests
                 Key: AMBARI-25534
                 URL: https://issues.apache.org/jira/browse/AMBARI-25534
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.7.5
            Reporter: Dmytro Vitiuk
             Fix For: 2.7.6


If DB purge removes topology requests it will be failed with the next exception:
{code}
2020-07-23 16:53:55,265 ERROR [main] CleanupServiceImpl:85 - Running the purge process for DAO: [org.apache.ambari.server.orm.dao.RequestDAO$$EnhancerByGuice$$f11e85aa@1e734eee] failed with: {}
java.lang.IllegalArgumentException: Object: null is not a known Entity type.
	at org.eclipse.persistence.internal.jpa.EntityManagerImpl.remove(EntityManagerImpl.java:571)
	at org.apache.ambari.server.orm.dao.TopologyRequestDAO.remove(TopologyRequestDAO.java:78)
	at org.apache.ambari.server.orm.AmbariJpaLocalTxnInterceptor.invoke(AmbariJpaLocalTxnInterceptor.java:118)
	at org.apache.ambari.server.orm.dao.TopologyRequestDAO.removeByPK(TopologyRequestDAO.java:83)
	at org.apache.ambari.server.orm.AmbariJpaLocalTxnInterceptor.invoke(AmbariJpaLocalTxnInterceptor.java:118)
	at org.apache.ambari.server.orm.dao.RequestDAO.cleanup(RequestDAO.java:420)
	at org.apache.ambari.server.orm.AmbariJpaLocalTxnInterceptor.invoke(AmbariJpaLocalTxnInterceptor.java:128)
	at org.apache.ambari.server.cleanup.CleanupServiceImpl.cleanup(CleanupServiceImpl.java:82)
	at org.apache.ambari.server.cleanup.CleanupDriver.main(CleanupDriver.java:90)
{code}



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