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https://issues.apache.org/jira/browse/ARROW-9315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17150730#comment-17150730
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Liya Fan edited comment on ARROW-9315 at 7/3/20, 4:35 AM:
----------------------------------------------------------
This problem is related to the order of class loading:
DefaultAllocationManagerOption#getDefaultAllocationManagerType =>
init DefaultAllocationManagerOption =>
DefaultAllocationManagerOption#getFactory =>
init NettyAllocationManager#EMPTY_BUFFER =>
init ArrowBuf =>
init BaseAllocator (line 74) =>
init DEFAULT_CONFIG =>
ImmutableConfig (constructor) =>
ImmutableConfig#getAllocationManagerFactory =>
BaseAllocator.Config#getAllocationManagerFactory =>
NPE
was (Author: fan_li_ya):
This problem is related to the order of class loading:
DefaultAllocationManagerOption#getDefaultAllocationManagerType =>
DefaultAllocationManagerOption#getFactory =>
init NettyAllocationManager#EMPTY_BUFFER =>
init ArrowBuf =>
init BaseAllocator (line 74) =>
init DEFAULT_CONFIG =>
ImmutableConfig (constructor) =>
ImmutableConfig#getAllocationManagerFactory =>
BaseAllocator.Config#getAllocationManagerFactory =>
NPE
> [Java] Fix the failure of testAllocationManagerType
> ---------------------------------------------------
>
> Key: ARROW-9315
> URL: https://issues.apache.org/jira/browse/ARROW-9315
> Project: Apache Arrow
> Issue Type: Bug
> Components: Java
> Reporter: Liya Fan
> Assignee: Liya Fan
> Priority: Major
>
> It appears sometimes in the CI build.
> [ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.503
> s <<< FAILURE! - in org.apache.arrow.memory.TestAllocationManager
> [ERROR] testAllocationManagerType Time elapsed: 0.483 s <<< ERROR!
> java.lang.ExceptionInInitializerError
> at
> org.apache.arrow.memory.TestAllocationManager.testAllocationManagerType(TestAllocationManager.java:35)
> Caused by: java.lang.NullPointerException: allocationManagerFactory
> at
> org.apache.arrow.memory.TestAllocationManager.testAllocationManagerType(TestAllocationManager.java:35)
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