Windchill PDMLink で Cognos を起動できません

• BOM の構造レポートを実行するために Cognos を起動または開始するときに問題が発生します。
• Windchill PDMLink でエラーが発生し、Cognos を起動できません

ERROR  com.cognos.pogo.contentmanager.coordinator.ActiveCMControl [Timer-42] NA DPR-CMI-4007 Unable to perform an active Content Manager election on the local IP node. For more information, see the dispatcher and Content Manager detailed logs. Ensure that the local Content Manager service is started.
com.cognos.pogo.bibus.CommandExecutionIOException: Failed to send HTTP request or read HTTP response
                at com.cognos.pogo.bibus.BIBusCommand.handleDefaultException(BIBusCommand.java:372) ~[p2pd.jar:?]


Caused by: java.io.IOException: Failed to send HTTP request or read HTTP response
                at com.cognos.pogo.http.ServerConnection.executeMethod(ServerConnection.java:800) ~[p2pd.jar:?]
                at com.cognos.pogo.http.ServerConnection.sendRequest(ServerConnection.java:254) ~[p2pd.jar:?]

Caused by: java.net.ConnectException: Connection refused (Connection refused)
                at java.net.Socket.connect(Socket.java:666) ~[?:1.8.0]
                at java.net.Socket.connect(Socket.java:606) ~[?:1.8.0]
                at java.net.Socket.<init>(Socket.java:469) ~[?:1.8.0]
                at java.net.Socket.<init>(Socket.java:314) ~[?:1.8.0]

ERROR  com.cognos.pogo.reportservice.ProcessManager [Timer-40] NA External Report Server process BmtMDProviderMain cannot be started
java.io.IOException: Cannot run program "/windchill/ptc/Windchill_11.x/Reporting/bin/BmtMDProviderMain" (in directory "/windchill/ptc/Windchill_11.x/Reporting/bin"): error=24, Too many open files
                at java.lang.ProcessBuilder.start(ProcessBuilder.java:1059) ~[?:?]
                at java.lang.Runtime.exec(Runtime.java:631) ~[?:?]
                at com.cognos.pogo.util.RuntimeEnvironment.startProcess(RuntimeEnvironment.java:51) ~[p2pd.jar:?]