Java Runtime Environment Incompatible - Cisco NCS 2000 series Troubleshooting Manual

Java Runtime Environment Incompatible

Solution
page
Solution
verify the DCC connection as described in the EOC.
Java Runtime Environment Incompatible
Problem
Solution
are necessary to run programs written in the Java programming language. The NCS CTC is a Java application.
A Java application, unlike an applet, cannot rely completely on a web browser for installation and runtime
services. When you run an application written in the Java programming language, you need the correct JRE
installed. The correct JRE for each CTC software release is included on the Cisco NCS software CD. Complete
the Launch CTC to Correct the Core Version Build, on page
releases on a network, the JRE installed on the computer must be compatible with the different software
releases. The following table shows JRE compatibility with NCS software releases.
Table 8: JRE Compatibility for NCS
Software Release
NCS R10.0
Note Software Release 4.0 notifies you if an earlier JRE version is running on your PC or UNIX workstation.
Launch CTC to Correct the Core Version Build
SUMMARY STEPS
1. Exit the current CTC session and completely close the browser.
2. Start the browser.
3. Enter the NCS IP address of the node that reported the alarm. This can be the original IP address you
logged in with or an IP address other than the original.
4. Log into CTC. The browser downloads the JAR file from CTC.
DETAILED STEPS
Step 1
Exit the current CTC session and completely close the browser.
Step 2 Start the browser.
Cisco NCS 2000 series Troubleshooting Guide, Release 11.0
54
Username and password do not match.
Possible Cause
Correct the username and password as described in the
55.
A lost DCC connection.
Possible Cause
Usually accompanied by an embedded operations channel (EOC) alarm. Clear the EOC alarm and
The CTC application does not run properly.
The compatible Java JRE is not installed.
Possible Cause
The JRE contains the Java virtual machine, runtime class libraries, and Java application launcher that
JRE 1.2.2
No
JRE 1.3 JRE 1.4
No No
General Troubleshooting
Username or Password Do Not Match, on
55. If you are running multiple CTC software
JRE 5.0 JRE 1.6
No Yes
JRE 1.7
Yes