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Unable to get a connection from connection pool
oracle.iam.connectors.ebs.common.TargetOperationException: Unable to get a connection from connection pool at oracle.iam.connectors.ebs.common.dao.DBUtil.<init>(Unknown Source) at oracle.iam.connectors.ebs.hrms.tasks.EmployeeReconciliationTask.initializeDBUtil(Unknown Source) 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)Caused by: com.oracle.oim.gcp.exceptions.ConnectionServiceException: Failed to get connection at com.oracle.oim.gcp.pool.ConnectionService.getConnection(ConnectionService.java:56) ... 6 moreCaused by: com.oracle.oim.gcp.exceptions.ConnectionBorrowException: Failed to borrow connection at com.oracle.oim.gcp.ucp.UCPPool.borrowConnectionFromPool(UCPPool.java:62) at com.oracle.oim.gcp.pool.ConnectionService.getConnection(ConnectionService.java:49) ... 7 moreCaused by: 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 com.oracle.oim.gcp.ucp.UCPPool.borrowConnectionFromPool(UCPPool.java:45) ... 9 more