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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
Chapter 1 General Troubleshooting
1.9.2 Unable to Change Node View to Network View
Set Internet Explorer as the Default Browser for CTC
Step 1 Open the Internet Explorer browser.
Step 2 From the menu bar, click Tools > Internet Options. The Internet Options window appears.
Step 3 In the Internet Options window, click the Programs tab.
Step 4 Click the Internet Explorer should check to see whether it is the default browser check box.
Step 5 Click OK.
Step 6 Exit any and all open and running CTC and Internet Explorer applications.
Step 7 Launch Internet Explorer and open another CTC session. You should now be able to access the CTC
Help.
1.9.2 Unable to Change Node View to Network View
Symptom Logging into CTC session, the user is unable to change node view to network view on any and
all nodes, from any workstation. This is accompanied by an “Exception occurred during event
dispatching: java.lang.OutOfMemoryError” in the java window.
Table 1-7 describes the potential cause of the symptom and the solution.
Set the CTC_HEAP and CTC_MAX_PERM_SIZE_HEAP Environment Variables for Windows
Note Before proceeding with the following steps, ensure that your system has a minimum of 1 GB of RAM.
If your system does not have a minimum of 1 GB of RAM, contact the Cisco Technical Assistance Center
(TAC).
Step 1 Close all open CTC sessions and browser windows.
Step 2 From the Windows Start menu, choose Control Panel > System.
Step 3 In the System Properties window, click the Advanced tab.
Table 1-7 Unable to Change Node View to Network View
Possible Problem Solution
The browser stalls when
downloading files from
a port because the
display requires more
memory for the
graphical user interface
(GUI) environment
variables.
Reset the system or user CTC_HEAP environment variable to increase the
memory limits.
See the “Set the CTC_HEAP and CTC_MAX_PERM_SIZE_HEAP
Environment Variables for Windows” procedure on page 1-52 or the “Set the
CTC_HEAP and CTC_MAX_PERM_SIZE_HEAP Environment Variables
for Solaris” procedure on page 1-53 to enable the CTC_HEAP variable
change.
Note This problem typically affects large networks where additional
memory is required to manage large numbers of nodes and circuits.