OpenMigrate / Discussion / Help: error connection

im using dfc 6. i wanna migrate dctm to dctm. i got error message

2007-10-07 10:49:14,609    http-8080-3    ERROR    com.tsgrp.migration.MigrationPipeline.engage(MigrationPipeline.java:436)    Caught and re-thrown as an MPE
com.tsgrp.migration.connect.ConnectionException: Error caught while establishing new connection to Documentum, docbase=CS_REPOSITORY@10.88.88.22, username=Administrator, connector=false,<null>,0,10.88.88.22,CS_REPOSITORY@10.88.88.22,Administrator,P@ssw0rd,<null>,false,<null>,4.0,99.9,5.0,99.9,99.9.9,1.3.1
    at com.tsgrp.migration.connect.DocumentumConnector.obtainConnection(DocumentumConnector.java:312)
    at com.tsgrp.migration.queuepop.QueuePopulatorDCTMQuery.populateQueue(QueuePopulatorDCTMQuery.java:90)
    at com.tsgrp.migration.MigrationPipeline.firePopulateQueueEvent(MigrationPipeline.java:659)
    at com.tsgrp.migration.MigrationPipeline.engage(MigrationPipeline.java:279)
    at com.tsgrp.migration.MigrationEngine.startEngine(MigrationEngine.java:157)
    at com.tsgrp.oma.controller.RunMigrationController.onSubmit(RunMigrationController.java:187)
    at org.springframework.web.servlet.mvc.SimpleFormController.processFormSubmission(SimpleFormController.java:267)
    at org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:250)
    at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
    at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:45)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:820)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:755)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:396)
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:360)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.tsgrp.oma.LoginFilter.doFilter(LoginFilter.java:48)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    at java.lang.Thread.run(Unknown Source)
Caused by: DfServiceException:: THREAD: http-8080-3; MSG: [DFC_SESSION_DOCBASE_UNREACHABLE] Docbase "CS_REPOSITORY@10.88.88.22" is unreachable; ERRORCODE: ff; NEXT: null
    at com.documentum.fc.client.impl.connection.docbase.DocbaseConnection.establishNewRpcClient(DocbaseConnection.java:241)
    at com.documentum.fc.client.impl.connection.docbase.DocbaseConnection.open(DocbaseConnection.java:112)
    at com.documentum.fc.client.impl.connection.docbase.DocbaseConnection.<init>(DocbaseConnection.java:86)
    at com.documentum.fc.client.impl.connection.docbase.DocbaseConnection.<init>(DocbaseConnection.java:54)
    at com.documentum.fc.client.impl.connection.docbase.DocbaseConnectionFactory.newDocbaseConnection(DocbaseConnectionFactory.java:26)
    at com.documentum.fc.client.impl.connection.docbase.DocbaseConnectionManager.getDocbaseConnection(DocbaseConnectionManager.java:73)
    at com.documentum.fc.client.impl.session.SessionFactory.newSession(SessionFactory.java:29)
    at com.documentum.fc.client.impl.session.PrincipalAwareSessionFactory.newSession(PrincipalAwareSessionFactory.java:35)
    at com.documentum.fc.client.impl.session.PooledSessionFactory.newSession(PooledSessionFactory.java:47)
    at com.documentum.fc.client.impl.session.SessionManager.getSessionFromFactory(SessionManager.java:110)
    at com.documentum.fc.client.impl.session.SessionManager.newSession(SessionManager.java:63)
    at com.documentum.fc.client.impl.session.SessionManager.authenticate(SessionManager.java:190)
    at com.tsgrp.migration.connect.DocumentumConnector.obtainConnection(DocumentumConnector.java:237)
    ... 30 more

error connection

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error connection document.SUBSCRIPTION_OPTIONS = { "thing": "topic", "subscribed": false, "url": "subscribe", "icon": { "css": "fa fa-envelope-o" } };

error connection