I'm sending a batch REST request, with 15000 operations (10000 create nodes,
and 5000 create relationships between those nodes.) In webadmin, I can see
all the nodes and relationships have been created, and I can browse them
using the data browser. So the all my entities were successfully created.
But the HTTP response is a "500 Java heap space" error. It looks from the
stack trace in the log like the failure occurred when mapping the results
into the HTTP response. This could be a pretty nasty surprise for someone
who thinks their batch failed when all the entities were actually created.
Is there anyway to not commit the transaction on the server until the
response is generated and sent successfully?
Here is the stack trace from the log:
Sep 1, 2011 11:30:01 PM com.sun.jersey.spi.container.ContainerResponse
mapMappableContainerException
SEVERE: The exception contained within MappableContainerException could not
be mapped to a response, re-throwing to the HTTP container
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2882)
at
java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:100)
at
java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:390)
at java.lang.StringBuffer.append(StringBuffer.java:219)
at org.apache.commons.lang.StringUtils.join(StringUtils.java:3088)
at org.apache.commons.lang.StringUtils.join(StringUtils.java:3133)
at
org.neo4j.server.rest.repr.BatchOperationResults.toJSON(BatchOperationResults.java:99)
at
org.neo4j.server.rest.web.BatchOperationService.performBatchOperations(BatchOperationService.java:88)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:184)
at
com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:67)
at
com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:276)
at
com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:83)
at
com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:133)
at
com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:71)
at
com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1171)
at
com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1103)
at
com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1053)
at
com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1043)
at
com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:406)
at
com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:477)
at
com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:662)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at
org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
Sep 1, 2011 11:30:01 PM org.mortbay.log.Slf4jLog warn
SEVERE: /db/data/batch
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2882)
at
java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:100)
at
java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:390)
at java.lang.StringBuffer.append(StringBuffer.java:219)
at org.apache.commons.lang.StringUtils.join(StringUtils.java:3088)
at org.apache.commons.lang.StringUtils.join(StringUtils.java:3133)
at
org.neo4j.server.rest.repr.BatchOperationResults.toJSON(BatchOperationResults.java:99)
at
org.neo4j.server.rest.web.BatchOperationService.performBatchOperations(BatchOperationService.java:88)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:184)
at
com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:67)
at
com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:276)
at
com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:83)
at
com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:133)
at
com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:71)
at
com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1171)
at
com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1103)
at
com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1053)
at
com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1043)
at
com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:406)
at
com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:477)
at
com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:662)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at
org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
-- Josh Adell
--
View this message in context:
http://neo4j-community-discussions.438527.n3.nabble.com/REST-batch-completes-with-error-code-tp3303247p3303247.html
Sent from the Neo4j Community Discussions mailing list archive at Nabble.com.
_______________________________________________
Neo4j mailing list
User@lists.neo4j.org
https://lists.neo4j.org/mailman/listinfo/user
