GJL closed pull request #6915: [FLINK-10663][streaming] Fix NPE when
StreamingFileSink is closed without initialization.
URL: https://github.com/apache/flink/pull/6915
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
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diff --git
a/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/functions/sink/filesystem/StreamingFileSink.java
b/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/functions/sink/filesystem/StreamingFileSink.java
index 6c7e135caf8..6f57fee81f3 100644
---
a/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/functions/sink/filesystem/StreamingFileSink.java
+++
b/flink-streaming-java/src/main/java/org/apache/flink/streaming/api/functions/sink/filesystem/StreamingFileSink.java
@@ -375,6 +375,8 @@ public void invoke(IN value, SinkFunction.Context context)
throws Exception {
@Override
public void close() throws Exception {
- buckets.close();
+ if (buckets != null) {
+ buckets.close();
+ }
}
}
diff --git
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/api/functions/sink/filesystem/LocalStreamingFileSinkTest.java
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/api/functions/sink/filesystem/LocalStreamingFileSinkTest.java
index ab487d168bc..8bb35ff244a 100644
---
a/flink-streaming-java/src/test/java/org/apache/flink/streaming/api/functions/sink/filesystem/LocalStreamingFileSinkTest.java
+++
b/flink-streaming-java/src/test/java/org/apache/flink/streaming/api/functions/sink/filesystem/LocalStreamingFileSinkTest.java
@@ -59,6 +59,16 @@ public void testClosingWithoutInput() throws Exception {
}
}
+ @Test
+ public void testClosingWithoutInitializingStateShouldNotFail() throws
Exception {
+ final File outDir = TEMP_FOLDER.newFolder();
+
+ try (OneInputStreamOperatorTestHarness<Tuple2<String, Integer>,
Object> testHarness =
+
TestUtils.createRescalingTestSink(outDir, 1, 0, 100L, 124L)) {
+ testHarness.setup();
+ }
+ }
+
@Test
public void testTruncateAfterRecoveryAndOverwrite() throws Exception {
final File outDir = TEMP_FOLDER.newFolder();
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