I am not able to install 0.4 through eclipse.

eclipse.buildId=M20130204-1200
java.version=1.7.0_21
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
Framework arguments: -product org.eclipse.epp.package.jee.product
Command-line arguments: -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.jee.product

Error
Wed May 22 13:35:03 PDT 2013
Unexpected exception: HTTP Server 'Internal Error': http://marketplace.eclipse.org/sites/default/files/styles/medium/public/CuteResultsOK.png?itok=QMoBoT0C

org.eclipse.core.runtime.CoreException: HTTP Server 'Internal Error': http://marketplace.eclipse.org/sites/default/files/styles/medium/public/CuteResultsOK.png?itok=QMoBoT0C
at org.eclipse.equinox.internal.p2.transport.ecf.RepositoryTransport.stream(RepositoryTransport.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.epp.internal.mpc.core.util.AbstractP2TransportFactory.invokeStream(AbstractP2TransportFactory.java:35)
at org.eclipse.epp.internal.mpc.core.util.TransportFactory$1.stream(TransportFactory.java:69)
at org.eclipse.epp.internal.mpc.ui.catalog.AbstractResourceRunnable.run(AbstractResourceRunnable.java:64)
at org.eclipse.epp.internal.mpc.ui.catalog.AbstractResourceRunnable.call(AbstractResourceRunnable.java:51)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: org.eclipse.ecf.filetransfer.IncomingFileTransferException: HttpClient connection error response code 500.
at org.eclipse.ecf.provider.filetransfer.httpclient.HttpClientRetrieveFileTransfer.openStreams(HttpClientRetrieveFileTransfer.java:739)
at org.eclipse.ecf.provider.filetransfer.retrieve.AbstractRetrieveFileTransfer.sendRetrieveRequest(AbstractRetrieveFileTransfer.java:879)
at org.eclipse.ecf.provider.filetransfer.retrieve.AbstractRetrieveFileTransfer.sendRetrieveRequest(AbstractRetrieveFileTransfer.java:570)
at org.eclipse.ecf.provider.filetransfer.retrieve.MultiProtocolRetrieveAdapter.sendRetrieveRequest(MultiProtocolRetrieveAdapter.java:106)
at org.eclipse.equinox.internal.p2.transport.ecf.FileReader.sendRetrieveRequest(FileReader.java:422)
at org.eclipse.equinox.internal.p2.transport.ecf.FileReader.read(FileReader.java:273)
at org.eclipse.equinox.internal.p2.transport.ecf.RepositoryTransport.stream(RepositoryTransport.java:172)
... 13 more