> Source: [sk123172](https://support.checkpoint.com/results/sk/sk123172)

# sk123172 - Endpoint Security Clients cannot connect to Endpoint Security Server

| Property | Value |
|----------|-------|
| Solution ID | sk123172 |
| Date Created | 2018-02-27 |
| Last Modified | 2018-03-04 |
| Technical Level | Advanced |
| Products | Endpoint Security |
| Versions | Cloud, E89.X, E88.X, R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- * Endpoint Security Clients cannot connect to Endpoint Security Server.
* In *$UEPMDIR/logs/server_messages.log* :  

  ```
  
  [DATE TIME] ERROR - Failed trying to install server list - serverList.CPMIConfigure
  java.lang.Exception: Attempt to add a new network operation with a nonunique port
  	at com.checkpoint.uepm.network.ServerList.addNetOpPort(ServerList.java:765)
  	at com.checkpoint.uepm.network.CPMIAdaptor.loadOps(CPMIAdaptor.java:179)
  	at com.checkpoint.uepm.network.CPMIAdaptor.loadFromCPMI(CPMIAdaptor.java:56)
  	at com.checkpoint.uepm.network.ServerList.CPMIConfigure(ServerList.java:201)
  	at com.checkpoint.uepm.blm.serverlist.converters.ServerListPolicyConverter.Convert(Unknown Source)
  ...
  Caused by: com.checkpoint.uepm.backend.is.exceptions.CommandException: 
  TICKET_NUMBER = 118098826. COMMAND_NAME = serverListDeploymentCommand. 
  
  	at com.checkpoint.uepm.backend.policyinstallation.commands.PolicyDeploymentCommand.execute(Unknown Source)
  	... 24 more
  Caused by: com.checkpoint.uepm.api.epsbackend.is.EpsRuntimeException: Failed trying to install server list - serverList.CPMIConfigure
  	at com.checkpoint.uepm.blm.serverlist.converters.ServerListPolicyConverter.Convert(Unknown Source)
  	at com.checkpoint.uepm.blm.serverlist.converters.ServerListPolicyConverter.Convert(Unknown Source)
  	at com.checkpoint.uepm.blm.serverlist.commands.ServerListPolicyDeploymentCommand.generatePolicyXml(Unknown Source)
  	... 25 more
  Caused by: java.lang.Exception: Attempt to add a new network operation with a nonunique port
  	at com.checkpoint.uepm.network.ServerList.addNetOpPort(ServerList.java:765)
  	at com.checkpoint.uepm.network.CPMIAdaptor.loadOps(CPMIAdaptor.java:179)
  	at com.checkpoint.uepm.network.CPMIAdaptor.loadFromCPMI(CPMIAdaptor.java:56)
  	at com.checkpoint.uepm.network.ServerList.CPMIConfigure(ServerList.java:201)
  	... 28 more
  ```

* In *$UEPMDIR/logs/server_messages.log* :  

  ```
  
  [DATE TIME] ERROR - Servlet /eps threw load() exception
  java.lang.Exception: Attempt to add a new network operation with a nonunique port
  	at com.checkpoint.uepm.network.ServerList.addNetOpPort(ServerList.java:765)
  	at com.checkpoint.uepm.network.CPMIAdaptor.loadOps(CPMIAdaptor.java:179)
  	at com.checkpoint.uepm.network.CPMIAdaptor.loadFromCPMI(CPMIAdaptor.java:56)
  	at com.checkpoint.uepm.network.ServerList.CPMIConfigure(ServerList.java:201)
  	at com.checkpoint.uepm.blm.serverlist.converters.ServerListPolicyConverter.Convert(Unknown Source)
  	at com.checkpoint.uepm.blm.serverlist.converters.ServerListPolicyConverter.Convert(Unknown Source)
  	at com.checkpoint.uepm.blm.serverlist.commands.ServerListPolicyDeploymentCommand.generatePolicyXml(Unknown Source)
  	at com.checkpoint.uepm.backend.policyinstallation.commands.PolicyDeploymentCommand.execute(Unknown Source)
  	at com.checkpoint.uepm.backend.is.infrastructure.TransactionManager.executeAppTransactionActual(Unknown Source)
  	at com.checkpoint.uepm.backend.is.infrastructure.TransactionManager.executeAppTransaction(Unknown Source)
  	at com.checkpoint.uepm.backend.is.infrastructure.BackendIsFacadeAbstract.executeAppTransaction(Unknown Source)
  	at com.checkpoint.uepm.blm.policyassignment.infrastructure.UsmPolicyAssignmentFacade.allContextsLoaded(Unknown Source)
  	at com.checkpoint.uepm.sys.UEPMContext.notifyContextListeners(UEPMContext.java:289)
  	at com.checkpoint.uepm.sys.LastInitServlet.init(LastInitServlet.java:31)
  	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1206)
  	at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1026)
  	at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4421)
  	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4734)
  ...
  ```

* In *$UEPMDIR/logs/server_messages.log* file there are a lot of error messages from Endpoint Security Clients that are trying to connect to Endpoint Security Server:  

  ```
  
  [DATE TIME] ERROR - A server exception occurred while handling an endpoint request. Request size: 152, scheme: https, port: 443, uri: /cp/connectionPoint/newkey, ip: /XXX.XXX.XXX.XXX:XXXXX
  com.checkpoint.uepm.connectionpoint.ConnectionPointException: TICKET_NUMBER = XXXXXXXXX. java.lang.NullPointerException
  	at com.checkpoint.uepm.connectionpoint.ServletUtils.handleException(Unknown Source)
  	at com.checkpoint.uepm.connectionpoint.ConnectionPointServlet.doPost(Unknown Source)
  	at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
  	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  ...
  	at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:898)
  	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
  	at java.lang.Thread.run(Thread.java:785)
  Caused by: java.lang.NullPointerException
  	at com.checkpoint.uepm.connectionpoint.blmconnector.BLMConnectorUSM.canHandleClientRequests(Unknown Source)
  	at com.checkpoint.uepm.connectionpoint.URIMapper.validateRequest(Unknown Source)
  ```

## Cause

Duplicate records in configuration files.

## Solution

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---

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