Brock Noland created JCLOUDS-160:
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             Summary: AWS EC2 - constant error malformed image: null
                 Key: JCLOUDS-160
                 URL: https://issues.apache.org/jira/browse/JCLOUDS-160
             Project: jclouds
          Issue Type: Bug
            Reporter: Brock Noland


I constantly see the following error. Is it a problem with AWS or our 
expectations of their output?

{noformat}
2013-06-29 16:30:19,776 (main) [WARN - logging.slf4j.SLF4JLogger] malformed 
image: null
java.lang.NullPointerException: imageId
        at 
com.google.common.base.Preconditions.checkNotNull(Preconditions.java:208)
        at org.jclouds.ec2.domain.Image.<init>(Image.java:82)
        at 
org.jclouds.ec2.xml.DescribeImagesResponseHandler.endElement(DescribeImagesResponseHandler.java:169)
        at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown 
Source)
        at 
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown 
Source)
        at 
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
 Source)
        at 
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown 
Source)
        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
        at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
        at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
        at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
        at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown 
Source)
        at org.jclouds.http.functions.ParseSax.doParse(ParseSax.java:139)
        at org.jclouds.http.functions.ParseSax.parse(ParseSax.java:128)
        at org.jclouds.http.functions.ParseSax.apply(ParseSax.java:84)
        at org.jclouds.http.functions.ParseSax.apply(ParseSax.java:52)
        at 
org.jclouds.rest.internal.InvokeSyncToAsyncHttpMethod.invoke(InvokeSyncToAsyncHttpMethod.java:131)
        at 
org.jclouds.rest.internal.InvokeSyncToAsyncHttpMethod.apply(InvokeSyncToAsyncHttpMethod.java:97)
        at 
org.jclouds.rest.internal.InvokeSyncToAsyncHttpMethod.apply(InvokeSyncToAsyncHttpMethod.java:58)
        at 
org.jclouds.reflect.FunctionalReflection$FunctionalInvocationHandler.handleInvocation(FunctionalReflection.java:117)
        at 
com.google.common.reflect.AbstractInvocationHandler.invoke(AbstractInvocationHandler.java:70)
        at $Proxy66.describeImagesInRegion(Unknown Source)
        at 
org.jclouds.ec2.compute.loaders.RegionAndIdToImage.load(RegionAndIdToImage.java:57)
        at 
org.jclouds.ec2.compute.loaders.RegionAndIdToImage.load(RegionAndIdToImage.java:40)
        at 
com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3599)
        at 
com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2379)
        at 
com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2342)
        at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2257)
        at com.google.common.cache.LocalCache.get(LocalCache.java:4000)
        at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:4004)
        at 
com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4874)
        at 
com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4880)
        at 
org.jclouds.ec2.compute.functions.RunningInstanceToNodeMetadata.apply(RunningInstanceToNodeMetadata.java:136)
        at 
org.jclouds.ec2.compute.functions.RunningInstanceToNodeMetadata.apply(RunningInstanceToNodeMetadata.java:72)
        at com.google.common.collect.Iterators$8.transform(Iterators.java:860)
        at 
com.google.common.collect.TransformedIterator.next(TransformedIterator.java:48)
        at com.google.common.collect.Iterators$7.computeNext(Iterators.java:701)
        at 
com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
        at 
com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
        at com.google.common.collect.ImmutableSet.copyOf(ImmutableSet.java:316)
        at com.google.common.collect.ImmutableSet.copyOf(ImmutableSet.java:302)
        at 
org.jclouds.ec2.compute.strategy.EC2ListNodesStrategy.listDetailsOnNodesMatching(EC2ListNodesStrategy.java:117)
        at 
org.jclouds.ec2.compute.strategy.EC2ListNodesStrategy.listDetailsOnNodesMatching(EC2ListNodesStrategy.java:65)
        at 
org.jclouds.compute.internal.BaseComputeService.listNodesDetailsMatching(BaseComputeService.java:361)
{noformat}

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