[SPARK-28912][BRANCH-2.4] Fixed MatchError in getCheckpointFiles() #25719
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ok to test |
HyukjinKwon
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Test build #110291 has finished for PR 25719 at commit
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Test build #4858 has finished for PR 25719 at commit
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Merged to branch-2.4. |
HyukjinKwon
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Sep 9, 2019
### What changes were proposed in this pull request? This change fixes issue SPARK-28912. ### Why are the changes needed? If checkpoint directory is set to name which matches regex pattern used for checkpoint files then logs are flooded with MatchError exceptions and old checkpoint files are not removed. ### Does this PR introduce any user-facing change? No. ### How was this patch tested? Manually. 1. Start Hadoop in a pseudo-distributed mode. 2. In another terminal run command nc -lk 9999 3. In the Spark shell execute the following statements: ```scala val ssc = new StreamingContext(sc, Seconds(30)) ssc.checkpoint("hdfs://localhost:9000/checkpoint-01") val lines = ssc.socketTextStream("localhost", 9999) val words = lines.flatMap(_.split(" ")) val pairs = words.map(word => (word, 1)) val wordCounts = pairs.reduceByKey(_ + _) wordCounts.print() ssc.start() ssc.awaitTermination() ``` Closes #25719 from avkgh/SPARK-28912-branch-2.4. Authored-by: avk <nullp7r@gmail.com> Signed-off-by: HyukjinKwon <gurwls223@apache.org>
scunniff
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Nov 10, 2020
### What changes were proposed in this pull request?
This change fixes issue SPARK-28912.
### Why are the changes needed?
If checkpoint directory is set to name which matches regex pattern used for checkpoint files then logs are flooded with MatchError exceptions and old checkpoint files are not removed.
### Does this PR introduce any user-facing change?
No.
### How was this patch tested?
Manually.
1. Start Hadoop in a pseudo-distributed mode.
2. In another terminal run command nc -lk 9999
3. In the Spark shell execute the following statements:
```scala
val ssc = new StreamingContext(sc, Seconds(30))
ssc.checkpoint("hdfs://localhost:9000/checkpoint-01")
val lines = ssc.socketTextStream("localhost", 9999)
val words = lines.flatMap(_.split(" "))
val pairs = words.map(word => (word, 1))
val wordCounts = pairs.reduceByKey(_ + _)
wordCounts.print()
ssc.start()
ssc.awaitTermination()
```
Closes apache#25719 from avkgh/SPARK-28912-branch-2.4.
Authored-by: avk <nullp7r@gmail.com>
Signed-off-by: HyukjinKwon <gurwls223@apache.org>
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What changes were proposed in this pull request?
This change fixes issue SPARK-28912.
Why are the changes needed?
If checkpoint directory is set to name which matches regex pattern used for checkpoint files then logs are flooded with MatchError exceptions and old checkpoint files are not removed.
Does this PR introduce any user-facing change?
No.
How was this patch tested?
Manually.
Start Hadoop in a pseudo-distributed mode.
In another terminal run command nc -lk 9999
In the Spark shell execute the following statements: