12:05:13 [DefaultServiceExceptionStrategy:New I/O server worker #1-1] ERROR ******************************************************************************** Message : Component that caused exception is: VmMetadata. Message payload is of type: String Type : org.mule.api.service.ServiceException Code : MULE_ERROR--2 Payload : 172.19.1.2:meta-data/block-device-mapping/ephemeral0 JavaDoc : http://mule.mulesource.org/docs/apidocs/org/mule/api/service/ServiceException.html ******************************************************************************** Exception stack is: 1. null (java.lang.NullPointerException) edu.ucsb.eucalyptus.cloud.cluster.VmInstance:321 (null) 2. Component that caused exception is: VmMetadata. Message payload is of type: String (org.mule.api.service.ServiceException) org.mule.component.DefaultLifecycleAdapter:214 (http://mule.mulesource.org/docs/apidocs/org/mule/api/service/ServiceException.html) ******************************************************************************** Root Exception stack trace: java.lang.NullPointerException at edu.ucsb.eucalyptus.cloud.cluster.VmInstance.getByKey(VmInstance.java:321) at edu.ucsb.eucalyptus.cloud.ws.VmMetadata.handle(VmMetadata.java:88) at sun.reflect.GeneratedMethodAccessor178.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:616) at org.mule.model.resolvers.AbstractEntryPointResolver.invokeMethod(AbstractEntryPointResolver.java:147) at org.mule.model.resolvers.ReflectionEntryPointResolver.invoke(ReflectionEntryPointResolver.java:127) at org.mule.model.resolvers.DefaultEntryPointResolverSet.invoke(DefaultEntryPointResolverSet.java:50) at org.mule.component.DefaultLifecycleAdapter.intercept(DefaultLifecycleAdapter.java:202) at org.mule.component.AbstractJavaComponent.invokeComponentInstance(AbstractJavaComponent.java:82) at org.mule.component.AbstractJavaComponent.doOnCall(AbstractJavaComponent.java:73) at org.mule.component.AbstractComponent.onCall(AbstractComponent.java:87) at org.mule.model.seda.SedaService.doSend(SedaService.java:234) at org.mule.service.AbstractService.sendEvent(AbstractService.java:510) at org.mule.DefaultMuleSession.sendEvent(DefaultMuleSession.java:351) at org.mule.routing.inbound.DefaultInboundRouterCollection.send(DefaultInboundRouterCollection.java:196) at org.mule.routing.inbound.DefaultInboundRouterCollection.route(DefaultInboundRouterCollection.java:164) at org.mule.transport.AbstractMessageReceiver$DefaultInternalMessageListener.onMessage(AbstractMessageReceiver.java:604) at org.mule.transport.AbstractMessageReceiver.routeMessage(AbstractMessageReceiver.java:346) at org.mule.transport.AbstractMessageReceiver.routeMessage(AbstractMessageReceiver.java:269) at org.mule.transport.vm.VMMessageReceiver.onCall(VMMessageReceiver.java:106) at org.mule.transport.vm.VMMessageDispatcher.doSend(VMMessageDispatcher.java:104) at org.mule.transport.AbstractMessageDispatcher.send(AbstractMessageDispatcher.java:157) at org.mule.transport.AbstractConnector.send(AbstractConnector.java:1889) at org.mule.endpoint.DefaultOutboundEndpoint.send(DefaultOutboundEndpoint.java:76) at org.mule.DefaultMuleSession.sendEvent(DefaultMuleSession.java:324) at org.mule.module.client.MuleClient.send(MuleClient.java:653) at org.mule.module.client.MuleClient.send(MuleClient.java:630) at org.mule.module.client.MuleClient.send(MuleClient.java:583) at com.eucalyptus.ws.util.Messaging.send(Messaging.java:102) at com.eucalyptus.ws.server.MetadataPipeline.handleUpstream(MetadataPipeline.java:68) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:567) at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:803) at com.eucalyptus.ws.server.NioServerHandler.messageReceived(NioServerHandler.java:119) at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:87) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:567) at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:803) at org.jboss.netty.handler.stream.ChunkedWriteHandler.handleUpstream(ChunkedWriteHandler.java:114) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:567) at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:803) at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:385) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.unfoldAndfireMessageReceived(ReplayingDecoder.java:459) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(ReplayingDecoder.java:443) at org.jboss.netty.handler.codec.replay.ReplayingDecoder.messageReceived(ReplayingDecoder.java:381) at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:87) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:567) at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:803) at org.jboss.netty.handler.timeout.ReadTimeoutHandler.messageReceived(ReadTimeoutHandler.java:146) at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:87) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:567) at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:803) at org.jboss.netty.handler.timeout.IdleStateHandler.messageReceived(IdleStateHandler.java:214) at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:87) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:567) at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:803) at org.jboss.netty.channel.SimpleChannelHandler.messageReceived(SimpleChannelHandler.java:159) at com.eucalyptus.ws.handlers.ChannelStateMonitor.messageReceived(ChannelStateMonitor.java:62) at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:105) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:567) at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:803) at com.eucalyptus.ws.handlers.http.NioSslHandler.handleUpstream(NioSslHandler.java:31) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:567) at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:562) at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:342) at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:329) at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:330) at org.jboss.netty.channel.socket.nio.NioWorker.processSelectedKeys(NioWorker.java:282) at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:203) at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:110) at org.jboss.netty.util.internal.IoWorkerRunnable.run(IoWorkerRunnable.java:53) at org.jboss.netty.handler.execution.MemoryAwareThreadPoolExecutor$MemoryAwareRunnable.run(MemoryAwareThreadPoolExecutor.java:502) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:636) ********************************************************************************