Why you use a mysql jdbc driver?
// maropu
On Fri, Apr 21, 2017 at 11:54 AM, Cinyoung Hur <cinyoung....@gmail.com>
wrote:
> Hi,
>
> I tried to insert Dataframe into Postgres DB.
>
> But, I don't know what causes this error.
>
>
> properties = {
> "user": "user",
> "password": "pass",
> "driver": "com.mysql.jdbc.Driver",
> }
> url = "jdbc:mysql://ip
> address/MYDB?useServerPrepStmts=false&rewriteBatchedStatements=true"
> df.write.jdbc(url=url, table=table_name, mode='overwrite',
> properties=properties)
>
>
>
> The schema of Dataframe is this.
>
> root
> |-- fom_tp_cd: string (nullable = true)
> |-- agg: integer (nullable = true)
> |-- sex_tp_cd: integer (nullable = true)
> |-- dgsbjt_cd: string (nullable = true)
> |-- recu_cl_cd: integer (nullable = true)
> |-- sick_set: string (nullable = true)
> |-- gnl_nm_set: string (nullable = true)
> |-- count: long (nullable = false)
>
>
>
> Py4JJavaErrorTraceback (most recent call last)<ipython-input-64-300efd2c6967>
> in <module>()----> 1 result1.filter(result1["gnl_nm_set"] == "").count()
> /usr/local/linewalks/spark/spark/python/pyspark/sql/dataframe.pyc in
> count(self) 297 2 298 """--> 299 return
> int(self._jdf.count()) 300 301 @ignore_unicode_prefix
> /usr/local/linewalks/spark/spark/python/lib/py4j-0.10.1-src.zip/py4j/java_gateway.py
> in __call__(self, *args) 931 answer =
> self.gateway_client.send_command(command) 932 return_value =
> get_return_value(--> 933 answer, self.gateway_client,
> self.target_id, self.name) 934 935 for temp_arg in temp_args:
> /usr/local/linewalks/spark/spark/python/pyspark/sql/utils.pyc in deco(*a,
> **kw) 61 def deco(*a, **kw): 62 try:---> 63
> return f(*a, **kw) 64 except py4j.protocol.Py4JJavaError as e:
> 65 s = e.java_exception.toString()
> /usr/local/linewalks/spark/spark/python/lib/py4j-0.10.1-src.zip/py4j/protocol.py
> in get_return_value(answer, gateway_client, target_id, name) 310
> raise Py4JJavaError( 311 "An error occurred
> while calling {0}{1}{2}.\n".--> 312 format(target_id,
> ".", name), value) 313 else: 314 raise
> Py4JError(
> Py4JJavaError: An error occurred while calling o1331.count.
> : org.apache.spark.SparkException: Job aborted due to stage failure: Task 178
> in stage 324.0 failed 4 times, most recent failure: Lost task 178.3 in stage
> 324.0 (TID 14274, 7.linewalks.local):
> org.apache.spark.api.python.PythonException: Traceback (most recent call
> last):
> File
> "/home/hadoop/hdtmp/nm-local-dir/usercache/hadoop/appcache/application_1491889279272_0040/container_1491889279272_0040_01_000003/pyspark.zip/pyspark/worker.py",
> line 172, in main
> process()
> File
> "/home/hadoop/hdtmp/nm-local-dir/usercache/hadoop/appcache/application_1491889279272_0040/container_1491889279272_0040_01_000003/pyspark.zip/pyspark/worker.py",
> line 167, in process
> serializer.dump_stream(func(split_index, iterator), outfile)
> File
> "/home/hadoop/hdtmp/nm-local-dir/usercache/hadoop/appcache/application_1491889279272_0040/container_1491889279272_0040_01_000003/pyspark.zip/pyspark/worker.py",
> line 106, in <lambda>
> func = lambda _, it: map(mapper, it)
> File
> "/home/hadoop/hdtmp/nm-local-dir/usercache/hadoop/appcache/application_1491889279272_0040/container_1491889279272_0040_01_000003/pyspark.zip/pyspark/worker.py",
> line 92, in <lambda>
> mapper = lambda a: udf(*a)
> File
> "/home/hadoop/hdtmp/nm-local-dir/usercache/hadoop/appcache/application_1491889279272_0040/container_1491889279272_0040_01_000003/pyspark.zip/pyspark/worker.py",
> line 70, in <lambda>
> return lambda *a: f(*a)
> File "<ipython-input-22-457936c8f59f>", line 3, in <lambda>
> TypeError: sequence item 0: expected string, NoneType found
>
>
--
---
Takeshi Yamamuro
