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PARQUET-560: Synchronize writes to the finishCalled variable #334

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PARQUET-560: Synchronize writes to the finishCalled variable #334

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2 changes: 1 addition & 1 deletion parquet-hadoop/src/main/java/org/apache/parquet/hadoop/codec/SnappyCompressor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -113,7 +113,7 @@ public void end() {
}

@Override
public void finish() {
public synchronized void finish() {
finishCalled = true;
}

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1 change: 1 addition & 0 deletions pom.xml
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Expand Up @@ -244,6 +244,7 @@
<exclude>org/apache/parquet/avro/SpecificDataSupplier</exclude> <!-- made public -->
<exclude>org/apache/parquet/io/ColumnIOFactory$ColumnIOCreatorVisitor</exclude> <!-- removed non-API class -->
<exclude>org/apache/parquet/io/ColumnIOFactory/**</exclude> <!-- removed non-API class and methods-->
<exclude>org/apache/parquet/hadoop/codec/SnappyCompressor</exclude> <!-- added synchronized modifier -->
</excludes>
</requireBackwardCompatibility>
</rules>
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