Maybe - I am not sure but I think the AMI metadata is incomplete. Are you able to actually use the cluster? Does it happen every time?
Thanks, -- Andrei Savu On Wed, Nov 2, 2011 at 4:35 PM, Paolo Castagna < [email protected]> wrote: > Hi Andrei > > On 29 October 2011 13:37, Andrei Savu <[email protected]> wrote: > > What if you start a smaller size cluster but with more powerful machines? > > I've tried that... using this recipe with c1.xlarge: > > ------- > whirr.cluster-name=hadoop > whirr.instance-templates=1 hadoop-namenode+hadoop-jobtracker,18 > hadoop-datanode+hadoop-tasktracker > whirr.instance-templates-max-percent-failures=100 > hadoop-namenode+hadoop-jobtracker,70 > hadoop-datanode+hadoop-tasktracker > whirr.max-startup-retries=1 > whirr.provider=aws-ec2 > whirr.identity=${env:AWS_ACCESS_KEY_ID_LIVE} > whirr.credential=${env:AWS_SECRET_ACCESS_KEY_LIVE} > whirr.hardware-id=c1.xlarge > whirr.location-id=us-east-1 > whirr.image-id=us-east-1/ami-1136fb78 > whirr.private-key-file=${sys:user.home}/.ssh/whirr > whirr.public-key-file=${whirr.private-key-file}.pub > whirr.hadoop.version=0.20.204.0 > whirr.hadoop.tarball.url= > http://archive.apache.org/dist/hadoop/core/hadoop-${whirr.hadoop.version}/hadoop-${whirr.hadoop.version}.tar.gz > ------- > > The cluster started up this time, however I see this exception in the > Whirr log: > > malformed image: null > 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:1782) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2938) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648) > at > com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511) > at > com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808) > at > com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737) > at > com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119) > at > com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205) > at > com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$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:439) > at > com.google.common.util.concurrent.Futures$4.apply(Futures.java:437) > at > com.google.common.util.concurrent.Futures$ChainingListenableFuture.run(Futures.java:713) > 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:662) > > I run the proxy as usual and try to connect to the Namenode UI or > Jobtracker UI. > It connects but I see an empty page... it usually works fine. > > Am I hitting another problem? > > Thanks, > Paolo >
