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java.lang.Exception: MDS-00001: exception in Metadata Services layer MDS-00516: failure to create document /db/LDAPUser because it already exists in the metadata repository	at oracle.mds.internal.lcm.util.ExceptionUtil.createGenericMBeanException(ExceptionUtil.java:61)	at oracle.mds.internal.lcm.mbean.AppRuntimeMBeanImpl.importMetadata(AppRuntimeMBeanImpl.java:646)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at oracle.as.jmx.framework.standardmbeans.spi.OracleStandardEmitterMBean.doInvoke(OracleStandardEmitterMBean.java:1026)	at oracle.adf.mbean.share.AdfMBeanInterceptor.internalInvoke(AdfMBeanInterceptor.java:104)	at oracle.as.jmx.framework.generic.spi.interceptors.AbstractMBeanInterceptor.doInvoke(AbstractMBeanInterceptor.java:252)	at oracle.as.jmx.framework.generic.spi.security.AbstractMBeanSecurityInterceptor.internalInvoke(AbstractMBeanSecurityInterceptor.java:191)	at oracle.as.jmx.framework.generic.spi.interceptors.AbstractMBeanInterceptor.doInvoke(AbstractMBeanInterceptor.java:252)	at oracle.security.jps.ee.jmx.JpsJmxInterceptor$2.run(JpsJmxInterceptor.java:406)	at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:324)	at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:464)	at oracle.security.jps.ee.jmx.JpsJmxInterceptor.internalInvoke(JpsJmxInterceptor.java:446)	at oracle.as.jmx.framework.generic.spi.interceptors.AbstractMBeanInterceptor.doInvoke(AbstractMBeanInterceptor.java:252)	at oracle.as.jmx.framework.generic.spi.interceptors.ContextClassLoaderMBeanInterceptor.internalInvoke(ContextClassLoaderMBeanInterceptor.java:103)	at oracle.as.jmx.framework.generic.spi.interceptors.AbstractMBeanInterceptor.doInvoke(AbstractMBeanInterceptor.java:252)	at oracle.as.jmx.framework.generic.spi.interceptors.MBeanRestartInterceptor.internalInvoke(MBeanRestartInterceptor.java:116)	at oracle.as.jmx.framework.generic.spi.interceptors.AbstractMBeanInterceptor.doInvoke(AbstractMBeanInterceptor.java:252)	at oracle.as.jmx.framework.standardmbeans.spi.OracleStandardEmitterMBean.invoke(OracleStandardEmitterMBean.java:938)	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:762)	at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase$16.run(WLSMBeanServerInterceptorBase.java:449)	at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase.invoke(WLSMBeanServerInterceptorBase.java:447)	at weblogic.management.mbeanservers.internal.JMXContextInterceptor.invoke(JMXContextInterceptor.java:263)	at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase$16.run(WLSMBeanServerInterceptorBase.java:449)	at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase.invoke(WLSMBeanServerInterceptorBase.java:447)	at weblogic.management.mbeanservers.internal.SecurityInterceptor.invoke(SecurityInterceptor.java:444)	at weblogic.management.jmx.mbeanserver.WLSMBeanServer.invoke(WLSMBeanServer.java:323)	at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder$11$1.run(JMXConnectorSubjectForwarder.java:663)	at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder$11.run(JMXConnectorSubjectForwarder.java:661)	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)	at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder.invoke(JMXConnectorSubjectForwarder.java:654)	at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1454)	at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:74)	at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1295)	at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1394)	at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:818)	at javax.management.remote.rmi.RMIConnectionImpl_WLSkel.invoke(Unknown Source)	at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:667)	at weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:522)	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:146)	at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:518)	at weblogic.rmi.internal.wls.WLSExecuteRequest.run(WLSExecuteRequest.java:118)	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)	at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)