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oracle.ucp.UniversalConnectionPoolException: Connection borrowing returned null at oracle.ucp.util.UCPErrorHandler.newUniversalConnectionPoolException(UCPErrorHandler.java:368) at oracle.ucp.util.UCPErrorHandler.throwUniversalConnectionPoolException(UCPErrorHandler.java:49) at oracle.ucp.util.UCPErrorHandler.throwUniversalConnectionPoolException(UCPErrorHandler.java:80) at oracle.ucp.util.UCPErrorHandler.throwUniversalConnectionPoolException(UCPErrorHandler.java:131) at oracle.ucp.common.UniversalConnectionPoolImpl.borrowConnectionWithoutCountingRequests(UniversalConnectionPoolImpl.java:343) at oracle.ucp.common.UniversalConnectionPoolImpl.borrowConnection(UniversalConnectionPoolImpl.java:142) at java.lang.reflect.Method.invoke(Method.java:597) at oracle.iam.scheduler.impl.quartz.QuartzJob$TaskExecutionAction.run(QuartzJob.java:266) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120) at weblogic.security.Security.runAs(Security.java:41) at Thor.API.Security.LoginHandler.weblogicLoginSession.runAs(weblogicLoginSession.java:52) at oracle.iam.scheduler.impl.quartz.QuartzJob.execute(QuartzJob.java:75) at org.quartz.core.JobRunShell.run(JobRunShell.java:202) at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:529)