GitHub user dataknocker opened a pull request:
https://github.com/apache/spark/pull/18324
[SPARK-21045][PYSPARK]Fixed executor blocked because traceback.format_exc
throw UnicodeDecodeError
## What changes were proposed in this pull request?
check if traceback.format_exc() is unicode then encode utf8.
## How was this patch tested?
We can run in pyspark:
```python
def f():
raise Exception("ä¸")
spark = SparkSession.builder.master('local').getOrCreate()
spark.sparkContext.parallelize([1]).map(lambda x: f()).count()
```
Before fixed this bug, this program will be blocked.
After fixed this bug, this program will throw exception expected.
And I have added the test to pyspark.tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dataknocker/spark SPARK-21045
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18324.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #18324
----
commit 6cbc3f70f35b24dfef71771ab64f300f86faf325
Author: wangzejie <wangze...@sprucetec.com>
Date: 2017-06-16T06:49:37Z
Fixed executor blocked because traceback.format_exc encode utf8 throw
UnicodeDecodeError
----
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