现在几个早上我的Oracle数据库已经遇到了这个错误，并没有出现一个小时左右。 然后，它可以在一天中的其他时间正常工作，而不需要任何交互。 但是，这使我的应用软件依赖于甲骨文整个运行时间。
有任何想法吗？
2009-09-11 04:52:56,343 [Orion Launcher] ERROR conn.ConnectionService verifyRepositoryEx.496 - Invalid Connection Pool. ERROR = ORA-01034: ORACLE not available ORA-27101: shared memory realm does not exist 2009-09-11 04:52:56,734 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.272 - Integration Class not found: oracle.sysman.ias.ias.IASIntegration 2009-09-11 04:52:56,890 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.272 - Integration Class not found: oracle.sysman.eml.target.slb.common.SLBIntegration 2009-09-11 04:52:56,953 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.272 - Integration Class not found: oracle.sysman.eml.ssl.intg.SSLIntegration 2009-09-11 04:52:57,015 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.272 - Integration Class not found: oracle.tip.oem.central.domain.ProcessConnectDomainIntg 2009-09-11 04:52:57,015 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.272 - Integration Class not found: oracle.tip.oem.central.instance.ProcessConnectInstanceIntg 2009-09-11 04:52:57,015 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.272 - Integration Class not found: oracle.webdb.admin.em.PortalIntegration 2009-09-11 04:52:57,015 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.272 - Integration Class not found: oracle.webdb.admin.em.SSOIntegration 2009-09-11 04:52:57,015 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.272 - Integration Class not found: oracle.reports.em.RepIntg 2009-09-11 04:52:57,015 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.272 - Integration Class not found: oracle.sysman.ocs.mntr.target.OcsEmailIntegration 2009-09-11 04:52:57,031 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.272 - Integration Class not found: oracle.sysman.ocs.mntr.target.OcsOidIntegration 2009-09-11 04:52:57,031 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.272 - Integration Class not found: oracle.sysman.ocs.mntr.target.OcsOvfIntegration 2009-09-11 04:52:57,031 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.272 - Integration Class not found: oracle.sysman.ocs.mntr.target.OcsWebconfIntegration 2009-09-11 04:52:57,031 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.272 - Integration Class not found: oracle.sysman.ocs.mntr.target.OcsWirelessIntg 2009-09-11 04:52:57,031 [Orion Launcher] ERROR app.ContextInitializer contextInitialized.272 - Integration Class not found: oracle.sysman.ocs.mntr.target.OcsCalGrpIntegration 2009-09-11 04:52:57,078 [OmsServiceDriver thread] WARN jdbc.ConnectionCache _getConnection.303 - Got a fatal exeption when getting a connection; Error code = 1034; Cleaning up cache and retrying 2009-09-11 04:52:57,078 [OmsServiceDriver thread] WARN jdbc.ConnectionCache _getConnection.306 - ORA-01034: ORACLE not available ORA-27101: shared memory realm does not exist 当您尝试连接到未运行的数据库时，通常会发生这种情况。 通常情况下，甲骨文可以看作是一群聚集在蜂窝周围的工蜂。 “共享内存领域”就是蜂窝; 如果它不在那里，你会遇到很大的问题。
警报日志中包含什么？
我首先计算出在服务器上的操作系统级别上运行的计划任务。 有些东西要么closures数据库，然后重新启动（备份？），或者您可能有某种“看门狗”任务，在由于某种原因崩溃后重新启动实例。