The jdbc driver jar is not on classpath, please add it using --jars
On Wed, Jun 15, 2016 at 12:45 PM, Tejaswini Buche <
tejaswini.buche0...@gmail.com> wrote:
> hi,
>
> I am trying to connect to a mysql database on my machine.
> But, I am getting some error
>
> dataframe_mysql = sqlContext.read.format("jdbc").options(
> url="jdbc:mysql://localhost:3306/my_db",
> driver = "com.mysql.jdbc.Driver",
> dbtable = "data1",
> user="123").load()
>
>
> below is the full trace -
>
> ---------------------------------------------------------------------------Py4JJavaError
> Traceback (most recent call
> last)<ipython-input-6-65a38b59cc1e> in <module>() 4 dbtable =
> "data1", 5 user="root",----> 6 password="123").load() 7
> /Users/tejaV/Documents/My_Study_folder/spark-1.6.1/python/pyspark/sql/readwriter.pyc
> in load(self, path, format, schema, **options) 137 return
> self._df(self._jreader.load(path)) 138 else:--> 139
> return self._df(self._jreader.load()) 140 141 @since(1.4)
> /Users/tejaV/Documents/My_Study_folder/spark-1.6.1/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py
> in __call__(self, *args) 811 answer =
> self.gateway_client.send_command(command) 812 return_value =
> get_return_value(--> 813 answer, self.gateway_client,
> self.target_id, self.name) 814 815 for temp_arg in temp_args:
> /Users/tejaV/Documents/My_Study_folder/spark-1.6.1/python/pyspark/sql/utils.pyc
> in deco(*a, **kw) 43 def deco(*a, **kw): 44 try:---> 45
> return f(*a, **kw) 46 except
> py4j.protocol.Py4JJavaError as e: 47 s =
> e.java_exception.toString()
> /Users/tejaV/Documents/My_Study_folder/spark-1.6.1/python/lib/py4j-0.9-src.zip/py4j/protocol.py
> in get_return_value(answer, gateway_client, target_id, name) 306
> raise Py4JJavaError( 307 "An error occurred
> while calling {0}{1}{2}.\n".--> 308 format(target_id,
> ".", name), value) 309 else: 310 raise
> Py4JError(
> Py4JJavaError: An error occurred while calling o98.load.
> : java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
> at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> at
> org.apache.spark.sql.execution.datasources.jdbc.DriverRegistry$.register(DriverRegistry.scala:38)
> at
> org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:45)
> at
> org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:45)
> at scala.Option.foreach(Option.scala:236)
> at
> org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$.createConnectionFactory(JdbcUtils.scala:45)
> at
> org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:120)
> at
> org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:91)
> at
> org.apache.spark.sql.execution.datasources.jdbc.DefaultSource.createRelation(DefaultSource.scala:57)
> at
> org.apache.spark.sql.execution.datasources.ResolvedDataSource$.apply(ResolvedDataSource.scala:158)
> at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:119)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:231)
> at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:381)
> at py4j.Gateway.invoke(Gateway.java:259)
> at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:133)
> at py4j.commands.CallCommand.execute(CallCommand.java:79)
> at py4j.GatewayConnection.run(GatewayConnection.java:209)
> at java.lang.Thread.run(Thread.java:745)
>
>
>
--
Best Regards
Jeff Zhang
