Hi, Did you check the source code at http://appengine-mapreduce.googlecode.com/svn/trunk/java/src/com/google/appengine/tools/mapreduce/AppEngineJobContext.java
the comments at the point where exception is thron may help you understand why you get it regards didier On Jun 2, 7:00 pm, Santosh kumar <[email protected]> wrote: > Hi, > > Using mapper i am trying to allocate id's to the entities which are already > in the name space. And i am using appengine-java-sdk-1.5.0. > But when i run the mapper its throwing the exception. And i could not find > what is the reason and also unable to stop the mapper ? what is this > exception ? > Is their any way to debug and find the reason behind this exception ? > > 1. W2011-06-02 09:09:40.559 > > /admin/mapreduce/mapperCallback > java.lang.RuntimeException: Couldn't find MR with job ID: > job_1307030934805_0001 > at > com.google.appengine.tools.mapreduce.AppEngineJobContext.getConfigurationFromRequest(AppEngineJobContext.java:157) > at > com.google.appengine.tools.mapreduce.AppEngineJobContext.<init>(AppEngineJobContext.java:110) > at > com.google.appengine.tools.mapreduce.MapReduceServlet.handleMapperWorker(MapReduceServlet.java:576) > at > com.google.appengine.tools.mapreduce.MapReduceServlet.doPost(MapReduceServlet.java:174) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) > at > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166) > at > com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:66) > at > com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118) > at > com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > com.veersoft.filter.ResetUserMessagesAndErrorsFilter.doFilter(ResetUserMessagesAndErrorsFilter.java:28) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.apphosting.utils.servlet.ParseBlobUploadFilter.doFilter(ParseBlobUploadFilter.java:97) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionFilter.java:35) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388) > at > org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) > at > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) > at > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) > at > org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) > at > com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:238) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) > at org.mortbay.jetty.Server.handle(Server.java:326) > at > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) > at > org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923) > at > com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java:76) > at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) > at > com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:135) > at > com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:260) > at > com.google.apphosting.base.RuntimePb$EvaluationRuntime$2.handleRequest(RuntimePb.java:9669) > at > com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:439) > at > com.google.net.rpc.impl.Server$RpcTask.runInContext(Server.java:573) > at > com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:448) > at com.google.tracing.TraceContext.runInContext(TraceContext.java:688) > at > com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:326) > at > com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:318) > at > com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:446) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) > at java.lang.Thread.run(Thread.java:636) > > 2. C2011-06-02 09:09:40.560 > > Uncaught exception from servlet > java.lang.RuntimeException: Couldn't find MR with job ID: > job_1307030934805_0001 > at > com.google.appengine.tools.mapreduce.AppEngineJobContext.getConfigurationFromRequest(AppEngineJobContext.java:157) > at > com.google.appengine.tools.mapreduce.AppEngineJobContext.<init>(AppEngineJobContext.java:110) > at > com.google.appengine.tools.mapreduce.MapReduceServlet.handleMapperWorker(MapReduceServlet.java:576) > at > com.google.appengine.tools.mapreduce.MapReduceServlet.doPost(MapReduceServlet.java:174) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) > at > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166) > at > com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:66) > at > com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118) > at > com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > com.veersoft.filter.ResetUserMessagesAndErrorsFilter.doFilter(ResetUserMessagesAndErrorsFilter.java:28) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.apphosting.utils.servlet.ParseBlobUploadFilter.doFilter(ParseBlobUploadFilter.java:97) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionFilter.java:35) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388) > at > org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) > at > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) > at > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) > at > org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) > at > com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:238) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) > at org.mortbay.jetty.Server.handle(Server.java:326) > at > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) > at > org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:923) > at > com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java:76) > at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) > at > com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:135) > at > com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:260) > at > com.google.apphosting.base.RuntimePb$EvaluationRuntime$2.handleRequest(RuntimePb.java:9669) > at > com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:439) > at > com.google.net.rpc.impl.Server$RpcTask.runInContext(Server.java:573) > at > com.google.tracing.TraceContext$TraceContextRunnable$1.run(TraceContext.java:448) > at com.google.tracing.TraceContext.runInContext(TraceContext.java:688) > at > com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:326) > at > com.google.tracing.TraceContext$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:318) > at > com.google.tracing.TraceContext$TraceContextRunnable.run(TraceContext.java:446) > 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) > > This is the part of mapper code: > . > . > . > . > DatastoreService ds = DatastoreServiceFactory.getDatastoreService(); > KeyRange range = new KeyRange(p.getParent(), p.getKind(), > p.getKey().getId(), p.getKey().getId()); > ds.allocateIdRange(range); > . > . > . > > Any help would be greatly appreciated :) > > -- > Thanks & Regards > Santosh Kumar K** -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. 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