HTTP 503 error when running Jronn with commandline client when >3 sequences

If >3 sequences are included in a single file Jronn fails with a 503 error code. Three sequences works fine.

nanna: ~/projects/1433predictor/disorder/Jronn> java -jar ~/bin/min-jaba-client-2.0.jar -h=http://www.compbio.dundee.ac.uk/jabaws -s=Jronnws -i=new4.fasta
Connecting to JABAWS version 2 service
19-Mar-2012 11:50:35 compbio.ws.client.Jws2Client connect
INFO: Connected successfully!


calling analise.........
Exception in thread "main" com.sun.xml.internal.ws.client.ClientTransportException: The server sent HTTP status code 503: Service Temporarily Unavailable
at com.sun.xml.internal.ws.transport.http.client.HttpTransportPipe.checkStatusCode(HttpTransportPipe.java:196)
at com.sun.xml.internal.ws.transport.http.client.HttpTransportPipe.process(HttpTransportPipe.java:168)
at com.sun.xml.internal.ws.transport.http.client.HttpTransportPipe.processRequest(HttpTransportPipe.java:83)
at com.sun.xml.internal.ws.transport.DeferredTransportPipe.processRequest(DeferredTransportPipe.java:78)
at com.sun.xml.internal.ws.api.pipe.Fiber.__doRun(Fiber.java:587)
at com.sun.xml.internal.ws.api.pipe.Fiber._doRun(Fiber.java:546)
at com.sun.xml.internal.ws.api.pipe.Fiber.doRun(Fiber.java:531)
at com.sun.xml.internal.ws.api.pipe.Fiber.runSync(Fiber.java:428)
at com.sun.xml.internal.ws.client.Stub.process(Stub.java:211)
at com.sun.xml.internal.ws.client.sei.SEIStub.doProcess(SEIStub.java:124)
at com.sun.xml.internal.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:98)
at com.sun.xml.internal.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:78)
at com.sun.xml.internal.ws.client.sei.SEIStub.invoke(SEIStub.java:107)
at $Proxy24.getAnnotation(Unknown Source)
at compbio.ws.client.Jws2Client.analize(Unknown Source)
at compbio.ws.client.Jws2Client.analize(Unknown Source)
at compbio.ws.client.Jws2Client.<init>(Unknown Source)
at compbio.ws.client.Jws2Client.main(Unknown Source)