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java.lang.NullPointerException: architecture at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:204) at org.jclouds.ec2.domain.Image.<init>(Image.java:81) at org.jclouds.ec2.xml.DescribeImagesResponseHandler.endElement(DescribeImagesResponseHandler.java:169) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:601) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1774) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2930) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:807) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:107) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205) at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522) at org.jclouds.http.functions.ParseSax.doParse(ParseSax.java:125) at org.jclouds.http.functions.ParseSax.parse(ParseSax.java:114) at org.jclouds.http.functions.ParseSax.apply(ParseSax.java:78) at org.jclouds.http.functions.ParseSax.apply(ParseSax.java:51) at com.google.common.util.concurrent.Futures$4.apply(Futures.java:477) at com.google.common.util.concurrent.Futures$4.apply(Futures.java:475) at com.google.common.util.concurrent.Futures$ChainingListenableFuture.run(Futures.java:826) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:619)