Director - Getting error message "HTTP Status 500 -"

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Article ID: 167753

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Updated On:

Products

Director

Issue/Introduction

In SGME 5.4.2.5, after login to the GUI with username, password and enable password, the page unable to load with the following error message.


HTTP Status 500 -

type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
java.lang.NullPointerException
        com.bluecoat.director.new_sdk.SSH2AgentMaverick.disconnect(SSH2AgentMaverick.java:379)
        com.bluecoat.director.new_sdk.CliSession.disconnect(CliSession.java:166)
        com.bluecoat.director.new_sdk.CliSession.openSession(CliSession.java:618)
        com.bluecoat.director.new_sdk.CliSession.connect(CliSession.java:123)
    com.bluecoat.director.new_sdk.CliSessionPool.connect_with_retries(CliSessionPool.java:972)
        com.bluecoat.director.new_sdk.CliSessionPool.startUp(CliSessionPool.java:104)
        com.bluecoat.director.new_sdk.ConnectionManager.connect(ConnectionManager.java:195)
        com.bluecoat.director.new_sdk.MgmtNode.connect(MgmtNode.java:2718)
        webstart.src.authmodule.WebstartApplication.initStart(WebstartApplication.java:37)
        webstart.src.authmodule.LoginServlet.doPost(LoginServlet.java:194)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.28 logs.

Resolution

If the loopback interface is disabled, enable the interface using the command below,

director # config terminal

director (config) # no interface lo shutdown

director (config) # write mem

 
Verify the interface is enabled with the command below,
 
director (config) # sh interface lo
Interface lo:
  Enabled: yes
  IP address:
  Type: Loopback
  MTU size: 16436 bytes
  Statistics:
    Packets received: 89880
    Bytes received: 37151231
    Multicast packets received: 0
    Input errors: 0
    Packets received with bad protocol: 0
    Packets received not matching filters: 0
    Packets received with short frames: 0
    Packets sent: 89880
    Bytes sent: 37151231
    Output errors: 0
    Packets dropped on output: 0
    Collisions: 0
    Underruns: 0


Note: This is the solution when loopback is disabled.