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ORA-12547: TNS:lost contact
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ORA-12560: TNS:protocol adapter error
oracle.sysman.assistants.util.sqlEngine.SQLFatalErrorException: ORA-12547: TNS:lost contact	at oracle.sysman.assistants.util.sqlEngine.SQLEngine.executeImpl(SQLEngine.java:1482)	at oracle.sysman.assistants.util.sqlEngine.SQLEngine.connect(SQLEngine.java:829)	at oracle.sysman.assistants.dbca.backend.CloneRmanRestoreStep.executeImpl(CloneRmanRestoreStep.java:244)	at oracle.sysman.assistants.util.step.BasicStep.execute(BasicStep.java:210)	at oracle.sysman.assistants.util.step.Step.execute(Step.java:140)	at oracle.sysman.assistants.util.step.StepContext$ModeRunner.run(StepContext.java:2488)	at java.lang.Thread.run(Thread.java:552)