RRC Upgrade from 4.0 to 4.0.1 fails if you miss some available disk space

During the upgrade from CLM 4.0 to 4.0.1, migration of the Requirements Management application (when opening URL : https://hostname.example.com:port/rm/web/projects/migration and clicking "Open the Upgrade Service Panel")  failed with the following error :

"The Upgrade failed. Check the server logs for failure details"

[rm.log] :

2012-12-10 18:51:43,447 [         RM-Command-Executor-1]  INFO rvices.configure.internal.ConfigureServiceInternal  - CRRRS9622I  Index resources were created.2012-12-10 18:51:43,460 [         RM-Command-Executor-1]  INFO rvices.configure.internal.ConfigureServiceInternal  - CRRRS9622I  Text Index resources were created.2012-12-10 18:52:08,871 [         RM-Command-Executor-1] ERROR ver.core.request.async.internal.RRSTrackingCommand  - Error updating task statusjava.lang.RuntimeException: Error serializing model    at com.ibm.rdm.fronting.server.common.util.RDFWriterUtil.serializeModelToUTF8(RDFWriterUtil.java:232)    at com.ibm.rdm.fronting.server.common.util.RDFWriterUtil.serializeModelToUTF8(RDFWriterUtil.java:237)    at com.ibm.rdm.fronting.server.core.request.async.internal.TaskTrackerResourceBuilder.buildTaskTrackerResourceContent(TaskTrackerResourceBuilder.java:223)    at com.ibm.rdm.fronting.server.core.request.async.internal.AsyncTaskStatusJfsStorageService.completeTask(AsyncTaskStatusJfsStorageService.java:333)    at com.ibm.rdm.fronting.server.core.request.async.internal.RRSTrackingCommand.onCommandError(RRSTrackingCommand.java:124)    at com.ibm.rdm.fronting.server.core.internal.request.RRSCommandBase.publishCompletionWithError(RRSCommandBase.java:193)    at com.ibm.rdm.fronting.server.rrs.migration.command.BaseMigrationCommand.execute(BaseMigrationCommand.java:161)    at com.ibm.rdm.fronting.server.core.internal.request.RRSCommandBase.call(RRSCommandBase.java:243)    at com.ibm.rdm.fronting.server.core.internal.request.RRSCommandBase.call(RRSCommandBase.java:1)    at com.ibm.rdm.fronting.server.core.request.async.internal.RRSTrackingCommand.call(RRSTrackingCommand.java:91)    at com.ibm.rdm.fronting.server.core.request.async.internal.RRSTrackingCommand.call(RRSTrackingCommand.java:1)    at com.ibm.rdm.fronting.server.concurrent.RRSConcurrency$1$1.call(RRSConcurrency.java:132)    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:314)    at java.util.concurrent.FutureTask.run(FutureTask.java:149)    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:897)    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:919)    at java.lang.Thread.run(Thread.java:738)Caused by: com.hp.hpl.jena.shared.CannotEncodeCharacterException: cannot encode.....in context XML    at com.hp.hpl.jena.rdf.model.impl.Util.substituteEntitiesInElementContent(Util.java:175)    at com.hp.hpl.jena.xmloutput.impl.Unparser.wValueString(Unparser.java:559)    at com.hp.hpl.jena.xmloutput.impl.Unparser.wPropertyEltValueString(Unparser.java:544)    at com.hp.hpl.jena.xmloutput.impl.Unparser.wPropertyEltValue(Unparser.java:522)    at com.hp.hpl.jena.xmloutput.impl.Unparser.wPropertyElt(Unparser.java:388)    at com.hp.hpl.jena.xmloutput.impl.Unparser.wPropertyEltStar(Unparser.java:860)    at com.hp.hpl.jena.xmloutput.impl.Unparser.wTypedNodeOrDescriptionLong(Unparser.java:846)    at com.hp.hpl.jena.xmloutput.impl.Unparser.wTypedNodeOrDescription(Unparser.java:776)    at com.hp.hpl.jena.xmloutput.impl.Unparser.wDescription(Unparser.java:735)    at com.hp.hpl.jena.xmloutput.impl.Unparser.wObj(Unparser.java:691)    at com.hp.hpl.jena.xmloutput.impl.Unparser.wObjStar(Unparser.java:366)    at com.hp.hpl.jena.xmloutput.impl.Unparser.wRDF(Unparser.java:347)    at com.hp.hpl.jena.xmloutput.impl.Unparser.write(Unparser.java:249)    at com.hp.hpl.jena.xmloutput.impl.Abbreviated.writeBody(Abbreviated.java:152)    at com.hp.hpl.jena.xmloutput.impl.BaseXMLWriter.writeXMLBody(BaseXMLWriter.java:515)    at com.hp.hpl.jena.xmloutput.impl.BaseXMLWriter.write(BaseXMLWriter.java:487)    at com.hp.hpl.jena.xmloutput.impl.Abbreviated.write(Abbreviated.java:137)    at com.ibm.rdm.fronting.server.common.util.RDFWriterUtil.serializeModelToUTF8(RDFWriterUtil.java:224)    ... 16 more2012-12-10 18:52:08,873 [         RM-Command-Executor-1] ERROR rrs.migration.command.RRC20toRRS30MigrationCommand  - unexpectedcom.ibm.rdm.fronting.server.exception.InternalServerErrorException: CRRRS1008E JTS internal error    at com.ibm.rdm.fronting.server.exception.RRSException.newException(RRSException.java:178)    at com.ibm.rdm.fronting.server.exception.RRSException.newException(RRSException.java:147)    at com.ibm.rdm.fronting.server.exception.RRSException.newRRSException(RRSException.java:61)    at com.ibm.rdm.fronting.server.core.internal.HttpClientWrapperService.sendHttpRequest(HttpClientWrapperService.java:1022)    at com.ibm.rdm.fronting.server.core.internal.HttpClientWrapperService.createContent(HttpClientWrapperService.java:897)    at com.ibm.rdm.fronting.server.core.internal.HttpClientWrapperService.postResource(HttpClientWrapperService.java:793)    at com.ibm.rdm.fronting.server.core.internal.HttpClientWrapperService.postResource(HttpClientWrapperService.java:766)    at com.ibm.rdm.fronting.server.services.configure.internal.ConfigureServiceInternal.postResource(ConfigureServiceInternal.java:1617)    at com.ibm.rdm.fronting.server.services.configure.internal.ConfigureServiceInternal.createProjectTemplates(ConfigureServiceInternal.java:1581)    at com.ibm.rdm.fronting.server.services.configure.internal.ConfigureServiceInternal.createResourcesFromDirectory(ConfigureServiceInternal.java:1172)    at com.ibm.rdm.fronting.server.rrs.migration.command.RRC20toRRS30MigrationCommand.doRepositoryConfiguration(RRC20toRRS30MigrationCommand.java:633)    at com.ibm.rdm.fronting.server.rrs.migration.command.RM4010UpgradeCommand.preMigration(RM4010UpgradeCommand.java:288)    at com.ibm.rdm.fronting.server.rrs.migration.command.BaseMigrationCommand.execute(BaseMigrationCommand.java:153)    at com.ibm.rdm.fronting.server.core.internal.request.RRSCommandBase.call(RRSCommandBase.java:243)    at com.ibm.rdm.fronting.server.core.internal.request.RRSCommandBase.call(RRSCommandBase.java:1)    at com.ibm.rdm.fronting.server.core.request.async.internal.RRSTrackingCommand.call(RRSTrackingCommand.java:91)    at com.ibm.rdm.fronting.server.core.request.async.internal.RRSTrackingCommand.call(RRSTrackingCommand.java:1)    at com.ibm.rdm.fronting.server.concurrent.RRSConcurrency$1$1.call(RRSConcurrency.java:132)    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:314)    at java.util.concurrent.FutureTask.run(FutureTask.java:149)    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:897)    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:919)    at java.lang.Thread.run(Thread.java:738)Request    POST https://clm.mycompany.org:9443/jts/storage/com.ibm.rdm.projectTemplates HTTP/1.1    X-Jazz-Created: Mon, 10 Dec 2012 17:50:59 GMT    X-Jazz-Current: true    X-Jazz-Contributor: https://clm.mycompany.org:9443/jts/users/clmadmin    X-Jazz-Creator: https://clm.mycompany.org:9443/jts/users/clmadmin    Name: JKEBanking.archive    DoorsRP-Request-Type: private    Authorization: OAuth oauth_token_secret="", oauth_nonce="-3170916638017517912", oauth_token="", oauth_consumer_key="2b826e6024034b27a492252bbf191782", oauth_signature_method="HMAC-SHA1", oauth_timestamp="1355161927", oauth_version="1.0", oauth_signature="D6AmQowPTm702NXCtUy5yUxFSnY%3D"