There is a known compatibility issue between a library "XULRunner" and the Eclipse framework. XULRunner is a framework that is used by a number of browsers such as Firefox, Thunderbird and Seamonkey.
If the installed version of XULRunner is not supported by the Eclipse release, then you may encounter frequent crashes in Nios® II Software Build tools for Eclipse (Nios II SBT4E). This issue is only seen on Linux operating systems.
Below is a list of Nios II SBT4E Eclipse release versions and the corresponding supported XULRunner framework versions. Users need to follow the version requirments shown in the list below to avoid software incompatibility.
| Nios II SBT4E | Eclipse | XULRunner |
| 10.0 | 3.5.1 | 1.8.x - 1.9.1.x |
| 10.1 | 3.5.1 | 1.8.x - 1.9.1.x |
| 11.0 | 3.6.1 | 1.8.x - 3.6.x |
| 11.0 | 3.6.1 | 1.8.x - 3.6.x |
To resolve this issue, ensure the version of XULRunner is compatible with Eclipse. To determine the version of XULRunner installed, type the following command in a shell:
xulrunner -vr
To upgrade XULRunner using the yum software package manager, type the following command:
sudo yum update xulrunner