The test test/java/net/NetworkInterface/NetParamsTest.java can fail under certain circumstances. The test is merely printing out a bunch of information about network interfaces, and apparently it assumes that if an interface is virtual that it must have a non-null parent interface. This seems not to be the case when running within a Solaris Zone (where presumably all the network interfaces are virtual and have no parents).

The information from the test log is as follows:

=======
# uname -a:
# SunOS sc11136019 5.10 Generic_142909-17 sun4u sparc SUNW,Netra-T12
=======
ACTION: main -- Failed. Execution failed: `main' threw exception: java.lang.NullPointerException
REASON: Assumed action based on file name: run main NetParamsTest
TIME: 0.007 seconds
messages:
command: main NetParamsTest
reason: Assumed action based on file name: run main NetParamsTest
elapsed time (seconds): 0.007
STDOUT:
ce0:1 :
Status: UP
Hardware Address: 0:14:4f:50:ffffffa4:7d:
Loopback: false
Point to Point: false
Virtual: true
STDERR:
java.lang.NullPointerException
at NetParamsTest.printIF(NetParamsTest.java:48)
at NetParamsTest.main(NetParamsTest.java:69)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at com.sun.javatest.regtest.MainAction$SameVMRunnable.run(MainAction.java:680)
at java.lang.Thread.run(Thread.java:722)
=======