asfimport opened a new issue, #282:
URL: https://github.com/apache/arrow-java/issues/282
When I run this simple code with JVM setting: "-Xmx64m"
```java
package com.snowflake;
import org.apache.arrow.memory.RootAllocator;
public class TestArrow
{
public static void main(String args[]) throws Exception
{
new RootAllocator(Integer.MAX_VALUE);
}
}
```
and got the following error
```java
Picked up JAVA_TOOL_OPTIONS:
-Djavax.net.ssl.trustStore=/etc/pki/ca-trust/extracted/java/cacerts
Exception in thread "main" java.lang.ExceptionInInitializerError
at org.apache.arrow.memory.BaseAllocator.createEmpty(BaseAllocator.java:263)
at org.apache.arrow.memory.BaseAllocator.<init>(BaseAllocator.java:89)
at org.apache.arrow.memory.RootAllocator.<init>(RootAllocator.java:34)
at org.apache.arrow.memory.RootAllocator.<init>(RootAllocator.java:30)
at com.snowflake.TestArrow.main(TestArrow.java:13)
Caused by: java.lang.NullPointerException
at
io.netty.buffer.PooledByteBufAllocatorL$InnerAllocator.<init>(PooledByteBufAllocatorL.java:145)
at
io.netty.buffer.PooledByteBufAllocatorL.<init>(PooledByteBufAllocatorL.java:49)
at
org.apache.arrow.memory.AllocationManager.<clinit>(AllocationManager.java:61)
... 5 more
Process finished with exit code 1
```
So how to use RootAllocator in such low memory case?
**Reporter**: [Andong Zhan](https://issues.apache.org/jira/browse/ARROW-6500)
<sub>**Note**: *This issue was originally created as
[ARROW-6500](https://issues.apache.org/jira/browse/ARROW-6500). Please see the
[migration documentation](https://github.com/apache/arrow/issues/14542) for
further details.*</sub>
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