AutoloadTest timed out waiting for network server to start

Seen when testing the 10.8.1.1 release candidate on Windows Vista:

http://dbtg.foundry.sun.com/derby/test/10.8.1.1_RC/logs/jvm1.6/vista/JDBCDriversEmbedded/report.txt

1) AutoloadTest: clientjunit.framework.AssertionFailedError: Timed out waiting for network server to start
at org.apache.derbyTesting.junit.NetworkServerTestSetup.setUp(NetworkServerTestSetup.java:205)
at junit.extensions.TestSetup$1.protect(TestSetup.java:20)
at junit.extensions.TestSetup.run(TestSetup.java:25)
at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
at junit.extensions.TestSetup.run(TestSetup.java:25)

The following exception was printed to the console while the test was running:

java.lang.Exception: DRDA_InvalidReplyTooShort.S:Invalid reply from network server: Insufficient data.
at org.apache.derby.impl.drda.NetworkServerControlImpl.consolePropertyMessageWork(Unknown Source)
at org.apache.derby.impl.drda.NetworkServerControlImpl.consolePropertyMessage(Unknown Source)
at org.apache.derby.impl.drda.NetworkServerControlImpl.fillReplyBuffer(Unknown Source)
at org.apache.derby.impl.drda.NetworkServerControlImpl.readResult(Unknown Source)
at org.apache.derby.impl.drda.NetworkServerControlImpl.pingWithNoOpen(Unknown Source)
at org.apache.derby.impl.drda.NetworkServerControlImpl.ping(Unknown Source)
at org.apache.derby.drda.NetworkServerControl.ping(Unknown Source)
at org.apache.derbyTesting.junit.NetworkServerTestSetup.pingForServerUp(NetworkServerTestSetup.java:567)
at org.apache.derbyTesting.junit.NetworkServerTestSetup.pingForServerStart(NetworkServerTestSetup.java:636)
at org.apache.derbyTesting.junit.NetworkServerTestSetup.setUp(NetworkServerTestSetup.java:196)
at junit.extensions.TestSetup$1.protect(TestSetup.java:20)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.extensions.TestSetup.run(TestSetup.java:25)
at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.extensions.TestSetup.run(TestSetup.java:25)
at junit.framework.TestSuite.runTest(TestSuite.java:230)
at junit.framework.TestSuite.run(TestSuite.java:225)
at junit.framework.TestSuite.runTest(TestSuite.java:230)
at junit.framework.TestSuite.run(TestSuite.java:225)
at junit.textui.TestRunner.doRun(TestRunner.java:121)
at junit.textui.TestRunner.start(TestRunner.java:185)
at junit.textui.TestRunner.main(TestRunner.java:143)