Sorry. What does it mean: internal error when trying to get data from
Datastore?
Uncaught exception from servlet
javax.jdo.JDODataStoreException: Datastore Failure
at
org.datanucleus.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:
304)
at org.datanucleus.store.appengine.query.QueryExceptionWrappers
$2.get(QueryExceptionWrappers.java:90)
at
org.datanucleus.store.appengine.query.RuntimeExceptionWrappingIterator.hasNext(RuntimeExceptionWrappingIterator.java:
105)
at
org.datanucleus.store.appengine.query.LazyResult.resolveAll(LazyResult.java:
115)
at
org.datanucleus.store.appengine.query.LazyResult.size(LazyResult.java:
110)
at
org.datanucleus.store.appengine.query.StreamingQueryResult.size(StreamingQueryResult.java:
130)
at
org.datanucleus.store.query.AbstractQueryResult.toArray(AbstractQueryResult.java:
399)
at java.util.ArrayList.addAll(ArrayList.java:497)
... .... ....
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
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.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:
249)
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
$RequestRunnable.run(JavaRuntime.java:393)
at com.google.tracing.TraceContext
$TraceContextRunnable.runInContext(TraceContext.java:449)
at com.google.tracing.TraceContext$TraceContextRunnable
$1.run(TraceContext.java:455)
at com.google.tracing.TraceContext.runInContext(TraceContext.java:
695)
at com.google.tracing.TraceContext
$AbstractTraceContextCallback.runInInheritedContextNoUnref(TraceContext.java:
333)
at com.google.tracing.TraceContext
$AbstractTraceContextCallback.runInInheritedContext(TraceContext.java:
325)
at com.google.tracing.TraceContext
$TraceContextRunnable.run(TraceContext.java:453)
at com.google.apphosting.runtime.ThreadGroupPool
$PoolEntry.run(ThreadGroupPool.java:160)
at java.lang.Thread.run(Thread.java:679)
NestedThrowablesStackTrace:
com.google.appengine.api.datastore.DatastoreFailureException: internal
error.
at
com.google.appengine.api.datastore.DatastoreApiHelper.translateError(DatastoreApiHelper.java:
53)
at com.google.appengine.api.datastore.DatastoreApiHelper
$1.convertException(DatastoreApiHelper.java:98)
at
com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:
82)
at
com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:
74)
at
com.google.appengine.api.datastore.FutureHelper.getInternal(FutureHelper.java:
72)
at
com.google.appengine.api.datastore.FutureHelper.quietGet(FutureHelper.java:
33)
at
com.google.appengine.api.datastore.QueryResultsSourceImpl.loadMoreEntities(QueryResultsSourceImpl.java:
84)
at
com.google.appengine.api.datastore.QueryResultsSourceImpl.loadMoreEntities(QueryResultsSourceImpl.java:
71)
at
com.google.appengine.api.datastore.QueryResultIteratorImpl.ensureLoaded(QueryResultIteratorImpl.java:
156)
at
com.google.appengine.api.datastore.QueryResultIteratorImpl.hasNext(QueryResultIteratorImpl.java:
65)
at
org.datanucleus.store.appengine.query.RuntimeExceptionWrappingIterator
$1.get(RuntimeExceptionWrappingIterator.java:50)
at
org.datanucleus.store.appengine.query.RuntimeExceptionWrappingIterator
$1.get(RuntimeExceptionWrappingIterator.java:46)
at org.datanucleus.store.appengine.query.QueryExceptionWrappers
$1.get(QueryExceptionWrappers.java:51)
at org.datanucleus.store.appengine.query.QueryExceptionWrappers
$2.get(QueryExceptionWrappers.java:86)
at
org.datanucleus.store.appengine.query.RuntimeExceptionWrappingIterator.hasNext(RuntimeExceptionWrappingIterator.java:
105)
at
org.datanucleus.store.appengine.query.LazyResult.resolveAll(LazyResult.java:
115)
at
org.datanucleus.store.appengine.query.LazyResult.size(LazyResult.java:
110)
at
org.datanucleus.store.appengine.query.StreamingQueryResult.size(StreamingQueryResult.java:
130)
at
org.datanucleus.store.query.AbstractQueryResult.toArray(AbstractQueryResult.java:
399)
at java.util.ArrayList.addAll(ArrayList.java:497)
....
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
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.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:
249)
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.runt
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