at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at com.wily.introscope.appmap.triage.entity.service.impl.LatestEvidenceCache.flushBuffer(LatestEvidenceCache.java:221) at com.wily.introscope.appmap.triage.entity.service.impl.EvidenceServiceImpl.flushWriteBuffer(EvidenceServiceImpl.java:132) at sun.reflect.GeneratedMethodAccessor938.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:65) at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: org.springframework.dao.DuplicateKeyException: PreparedStatementCallback; SQL [insert into at_evidences(story_id, vertex_id, start_time, end_time, fork, type, occ_index, latest, statements) values(?, ?, ?, ?, ?, ?, ?, ?, ?)]; ORA-00001: unique constraint (APMDB.AT_EVIDENCES_PK) violated ; nested exception is java.sql.SQLIntegrityConstraintViolationException: ORA-00001: unique constraint (APMDB.AT_EVIDENCES_PK) violated