Hudson fails to install ant on windows slaves with the following error:

Unpacking http://archive.apache.org/dist/ant/binaries/apache-ant-1.6.5-bin.zip
to C:\hudson\tools\ant1.6.5 on jed-asqe-39.sfbay.sun.com
FATAL: Failed to unpack
http://archive.apache.org/dist/ant/binaries/apache-ant-1.6.5-bin.zip (5013504
bytes read of total 10070771)
hudson.util.IOException2: Failed to unpack
http://archive.apache.org/dist/ant/binaries/apache-ant-1.6.5-bin.zip (5013504
bytes read of total 10070771)
at hudson.FilePath.installIfNecessaryFrom(FilePath.java:567)
at
hudson.tools.DownloadFromUrlInstaller.performInstallation(DownloadFromUrlInstaller.java:72)
at hudson.tools.InstallerTranslator.getToolHome(InstallerTranslator.java:61)
at
hudson.tools.ToolLocationNodeProperty.getToolHome(ToolLocationNodeProperty.java:99)
at hudson.tools.ToolInstallation.translateFor(ToolInstallation.java:155)
at hudson.tasks.Ant$AntInstallation.forNode(Ant.java:379)
at hudson.tasks.Ant.perform(Ant.java:137)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:19)
at hudson.model.AbstractBuild$AbstractRunner.perform(AbstractBuild.java:480)
at hudson.model.Build$RunnerImpl.build(Build.java:158)
at hudson.model.Build$RunnerImpl.doRun(Build.java:98)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:354)
at hudson.model.Run.run(Run.java:1117)
at hudson.matrix.MatrixRun.run(MatrixRun.java:128)
at hudson.model.ResourceController.execute(ResourceController.java:93)
at hudson.model.Executor.run(Executor.java:122)
Caused by: hudson.util.IOException2: remote file operation failed
at hudson.FilePath.act(FilePath.java:672)
at hudson.FilePath.act(FilePath.java:660)
at hudson.FilePath.unzipFrom(FilePath.java:385)
at hudson.FilePath.installIfNecessaryFrom(FilePath.java:563)
... 15 more
Caused by: java.io.EOFException: Unexpected end of ZLIB input stream
at java.util.zip.InflaterInputStream.fill(Unknown Source)
at java.util.zip.InflaterInputStream.read(Unknown Source)
at java.util.zip.ZipInputStream.read(Unknown Source)
at java.io.FilterInputStream.read(Unknown Source)
at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:1025)
at org.apache.commons.io.IOUtils.copy(IOUtils.java:999)
at hudson.FilePath.unzip(FilePath.java:409)
at hudson.FilePath.access$200(FilePath.java:157)
at hudson.FilePath$4.invoke(FilePath.java:387)
at hudson.FilePath$4.invoke(FilePath.java:385)
at hudson.FilePath$FileCallableWrapper.call(FilePath.java:2032)
at hudson.remoting.UserRequest.perform(UserRequest.java:104)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:236)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

This is still happening after upgrade to v 1.328.