Which Neo4j versions is this? This has been fixed and should be working 
fine in 2.3.3

On Wednesday, March 30, 2016 at 2:43:23 AM UTC+2, Michael Hunger wrote:
>
> What is your header definition and what your command-line call?
>
> michael
>
> Am 30.03.2016 um 01:39 schrieb Zhixuan Wang <[email protected] 
> <javascript:>>:
>
> I was trying to import a database with about 2-3 billion nodes.
> According to their documentation it should allow for as many as 35 billion 
> nodes.
>
> However, I still got this error message duing neo4j-import
>
> *Prepare node index*
> *^M[*:21.14 
> GB------------------------------------------------------------------------------------]
>  
>   0^M[*:21.14 
> GB------------------------------------------------------------------------------------]
>  
>   0^M[*:21.14 
> GB------------------------------------------------------------------------------------]
>  
>   0^M[*:21.14 
> GB------------------------------------------------------------------------------------]
>  
>   0Exception in thread "Thread-737" java.lang.ArithmeticException: Value 
> 4386536741 is too big to be represented as java.lang.Integer*
> *        at 
> org.neo4j.unsafe.impl.batchimport.Utils.safeCastLongToInt(Utils.java:36)*
> *        at 
> org.neo4j.unsafe.impl.batchimport.cache.idmapping.string.ParallelSort.sortRadix(ParallelSort.java:142)*
> *        at 
> org.neo4j.unsafe.impl.batchimport.cache.idmapping.string.ParallelSort.run(ParallelSort.java:68)*
> *        at 
> org.neo4j.unsafe.impl.batchimport.cache.idmapping.string.EncodingIdMapper.prepare(EncodingIdMapper.java:270)*
> *        at 
> org.neo4j.unsafe.impl.batchimport.IdMapperPreparationStep.process(IdMapperPreparationStep.java:54)*
> *        at 
> org.neo4j.unsafe.impl.batchimport.staging.LonelyProcessingStep$1.run(LonelyProcessingStep.java:56)*
> *Import error: Value 4386536741 is too big to be represented as 
> java.lang.Integer*
> *java.lang.ArithmeticException: Value 4386536741 is too big to be 
> represented as java.lang.Integer*
> *        at 
> org.neo4j.unsafe.impl.batchimport.Utils.safeCastLongToInt(Utils.java:36)*
> *        at 
> org.neo4j.unsafe.impl.batchimport.cache.idmapping.string.ParallelSort.sortRadix(ParallelSort.java:142)*
> *        at 
> org.neo4j.unsafe.impl.batchimport.cache.idmapping.string.ParallelSort.run(ParallelSort.java:68)*
> *        at 
> org.neo4j.unsafe.impl.batchimport.cache.idmapping.string.EncodingIdMapper.prepare(EncodingIdMapper.java:270)*
> *        at 
> org.neo4j.unsafe.impl.batchimport.IdMapperPreparationStep.process(IdMapperPreparationStep.java:54)*
> *        at 
> org.neo4j.unsafe.impl.batchimport.staging.LonelyProcessingStep$1.run(LonelyProcessingStep.java:56)*
>
> *Exception in thread "TrackerInitializer-26" 
> java.lang.ArrayIndexOutOfBoundsException: Requested index -1915368251, but 
> length is 2837264380*
> *        at 
> org.neo4j.unsafe.impl.batchimport.cache.OffHeapNumberArray.addressOf(OffHeapNumberArray.java:54)*
> *        at 
> org.neo4j.unsafe.impl.batchimport.cache.OffHeapIntArray.set(OffHeapIntArray.java:48)*
> *        at 
> org.neo4j.unsafe.impl.batchimport.cache.idmapping.string.ParallelSort$TrackerInitializer.run(ParallelSort.java:411)*
> *        at 
> org.neo4j.unsafe.impl.batchimport.cache.idmapping.string.Workers$Worker.run(Workers.java:123)*
>
> It looks to me that something went wrong while neo4j was trying to 
> creating the index. here comes my questions:
>
> 1. I assume the problem is that the index type is set to java.lang.integer 
> by default, *is that true*? 
> ---- And it would also be greatly appreciated if some one can help me 
> understand what is the value 4386536741 here? I definitely don't have that 
> many nodes
>
> 2. What ever whose datatype it is, *how do I change that to 
> java.lang.long in the neo4j-import command*?
>
>
> Thanks a lot for your time.
>
>
>
>
>
>
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