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https://issues.apache.org/jira/browse/ARROW-9989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Litchy Soong closed ARROW-9989.
-------------------------------
Resolution: Abandoned
> Arrow
> ------
>
> Key: ARROW-9989
> URL: https://issues.apache.org/jira/browse/ARROW-9989
> Project: Apache Arrow
> Issue Type: Bug
> Components: Java
> Affects Versions: 0.14.0
> Environment: Linux 18.04, Arrow from maven 0.14.0
> Reporter: Litchy Soong
> Priority: Major
>
> In scala, (Java of Arrow), following code work
> {quote}object A {
> def write(): =
>
> Unknown macro: {
> val vectorSchemaRoot = VectorSchemaRoot.create(getSchema, allocator)
> val writer = new ArrowStreamWriter(vectorSchemaRoot, null, out) }
> }
> {quote}
> But following does not work
> {quote}object A {
> var vectorSchemaRoot: VectorSchemaRoot = null
> var writer: ArrowStreamWriter = null
> def write(): =
> Unknown macro: {
> vectorSchemaRoot = VectorSchemaRoot.create(getSchema, allocator) writer =
> new ArrowStreamWriter(vectorSchemaRoot, null, out) }
> }
> {quote}
> The error is ,
> {quote}java.lang.IllegalStateException: wrong buffer size: 601 !=
> 4081java.lang.IllegalStateException: wrong buffer size: 601 != 4081 at
> org.apache.arrow.vector.ipc.message.MessageSerializer.writeBatchBuffers(MessageSerializer.java:297)
> at
> org.apache.arrow.vector.ipc.message.MessageSerializer.serialize(MessageSerializer.java:267)
> at
> org.apache.arrow.vector.ipc.ArrowWriter.writeRecordBatch(ArrowWriter.java:132)
> at org.apache.arrow.vector.ipc.ArrowWriter.writeBatch(ArrowWriter.java:120)
>
> java.lang.IndexOutOfBoundsException: index: 0, length: 1 (expected: range(0,
> 0))java.lang.IndexOutOfBoundsException: index: 0, length: 1 (expected:
> range(0, 0)) at io.netty.buffer.ArrowBuf.checkIndexD(ArrowBuf.java:337) at
> io.netty.buffer.ArrowBuf.chk(ArrowBuf.java:324) at
> io.netty.buffer.ArrowBuf.getByte(ArrowBuf.java:526) at
> org.apache.arrow.vector.BitVectorHelper.setBit(BitVectorHelper.java:70) at
> org.apache.arrow.vector.Float4Vector.set(Float4Vector.java:168)
>
> java.lang.IllegalStateException: RefCnt has gone
> negativejava.lang.IllegalStateException: RefCnt has gone negative at
> org.apache.arrow.util.Preconditions.checkState(Preconditions.java:458) at
> org.apache.arrow.memory.BufferLedger.release(BufferLedger.java:134) at
> org.apache.arrow.memory.BufferLedger.release(BufferLedger.java:108) at
> org.apache.arrow.vector.BaseFixedWidthVector.reAlloc(BaseFixedWidthVector.java:441)
> at
> org.apache.arrow.vector.BaseFixedWidthVector.setValueCount(BaseFixedWidthVector.java:708)
> at
> org.apache.arrow.vector.VectorSchemaRoot.setRowCount(VectorSchemaRoot.java:226)
> {quote}
>
> and it is raised every second time when I call the method. And seems both
> ArrowStreamWriter and VectorSchemaRoot could not be initialized in this way.
> Why?
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