Spark-通过齐柏林飞艇EMR连接到mysql
我正在尝试从AWS EMR-Zeppelin笔记本连接到MySQL实例。已将mysql连接器加载到此位置-Spark-通过齐柏林飞艇EMR连接到mysql,mysql,scala,apache-spark,pyspark,amazon-emr,Mysql,Scala,Apache Spark,Pyspark,Amazon Emr,我正在尝试从AWS EMR-Zeppelin笔记本连接到MySQL实例。已将mysql连接器加载到此位置-/usr/lib/spark/jars/mysql-connector-java-5.0.4-bin.jar。并在齐柏林飞艇解释器中添加了这一人工制品 启动驾驶员 Class.forName（“com.mysql.jdbc.Driver”） res77:Class[\u]=Class com.mysql.jdbc.Driver 在这里使用Scala代码 审判1 val jdbcDF = sp
/usr/lib/spark/jars/mysql-connector-java-5.0.4-bin.jarClass.forName（“com.mysql.jdbc.Driver”）val jdbcDF = spark.read.format("jdbc").options(
Map("url" -> "jdbc:mysql://our-host.readm.co.nz:3306/testdb?user=testuser&password=****",
"dbtable" -> "testdb.tablename",
"driver" -> "com.mysql.jdbc.Driver",
"partitionColumn" -> "id", "lowerBound" -> "1", "upperBound" -> "41514638", "numPartitions" -> "20"
)).load()
com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:
** BEGIN NESTED EXCEPTION **
java.net.SocketException
MESSAGE: java.net.ConnectException: Connection timed out (Connection timed out)
STACKTRACE:
java.net.SocketException: java.net.ConnectException: Connection timed out (Connection timed out)
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:156)
at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:276)
at com.mysql.jdbc.Connection.createNewIO(Connection.java:2666)
at com.mysql.jdbc.Connection.<init>(Connection.java:1531)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:61)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:52)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:58)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:114)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:52)
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:307)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:178)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:146)
at <init>(<console>:50)
at <init>(<console>:55)
at <init>(<console>:57)
at <init>(<console>:59)
at <init>(<console>:61)
at <init>(<console>:63)
at <init>(<console>:65)
at <init>(<console>:67)
at <init>(<console>:69)
at <init>(<console>:71)
at <init>(<console>:73)
at <init>(<console>:75)
at <init>(<console>:77)
at <init>(<console>:79)
at <init>(<console>:81)
at <init>(<console>:83)
at <init>(<console>:85)
at <init>(<console>:87)
at <init>(<console>:89)
at <init>(<console>:91)
at <init>(<console>:93)
at .<init>(<console>:97)
at .<clinit>(<console>)
at .$print$lzycompute(<console>:7)
at .$print(<console>:6)
at $print(<console>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call(IMain.scala:786)
at scala.tools.nsc.interpreter.IMain$Request.loadAndRun(IMain.scala:1047)
at scala.tools.nsc.interpreter.IMain$WrappedRequest$$anonfun$loadAndRunReq$1.apply(IMain.scala:638)
at scala.tools.nsc.interpreter.IMain$WrappedRequest$$anonfun$loadAndRunReq$1.apply(IMain.scala:637)
at scala.reflect.internal.util.ScalaClassLoader$class.asContext(ScalaClassLoader.scala:31)
at scala.reflect.internal.util.AbstractFileClassLoader.asContext(AbstractFileClassLoader.scala:19)
at scala.tools.nsc.interpreter.IMain$WrappedRequest.loadAndRunReq(IMain.scala:637)
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:569)
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:565)
at sun.reflect.GeneratedMethodAccessor369.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.zeppelin.spark.Utils.invokeMethod(Utils.java:38)
at org.apache.zeppelin.spark.SparkInterpreter.interpret(SparkInterpreter.java:1000)
at org.apache.zeppelin.spark.SparkInterpreter.interpretInput(SparkInterpreter.java:1205)
at org.apache.zeppelin.spark.SparkInterpreter.interpret(SparkInterpreter.java:1172)
at org.apache.zeppelin.spark.SparkInterpreter.interpret(SparkInterpreter.java:1165)
at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:97)
at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:498)
at org.apache.zeppelin.scheduler.Job.run(Job.java:175)
at org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:139)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
** END NESTED EXCEPTION **
Last packet sent to the server was 1 ms ago.
at com.mysql.jdbc.Connection.createNewIO(Connection.java:2741)
at com.mysql.jdbc.Connection.<init>(Connection.java:1531)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:61)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:52)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:58)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:114)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:52)
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:307)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:178)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:146)
... 58 elided
java.lang.NullPointerException
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:72)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:114)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:52)
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:307)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:178)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:146)
... 58 elided
java.lang.NullPointerException
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:72)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:114)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:52)
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:307)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:178)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:146)
at org.apache.spark.sql.DataFrameReader.jdbc(DataFrameReader.scala:193)
... 58 elided
com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:
** BEGIN NESTED EXCEPTION **
java.net.SocketException
MESSAGE: java.net.ConnectException: Connection timed out (Connection timed out)
STACKTRACE:
java.net.SocketException: java.net.ConnectException: Connection timed out (Connection timed out)
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:156)
at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:276)
at com.mysql.jdbc.Connection.createNewIO(Connection.java:2666)
at com.mysql.jdbc.Connection.<init>(Connection.java:1531)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:61)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:52)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:58)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:114)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:52)
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:307)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:178)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:146)
at <init>(<console>:50)
at <init>(<console>:55)
at <init>(<console>:57)
at <init>(<console>:59)
at <init>(<console>:61)
at <init>(<console>:63)
at <init>(<console>:65)
at <init>(<console>:67)
at <init>(<console>:69)
at <init>(<console>:71)
at <init>(<console>:73)
at <init>(<console>:75)
at <init>(<console>:77)
at <init>(<console>:79)
at <init>(<console>:81)
at <init>(<console>:83)
at <init>(<console>:85)
at <init>(<console>:87)
at <init>(<console>:89)
at <init>(<console>:91)
at <init>(<console>:93)
at .<init>(<console>:97)
at .<clinit>(<console>)
at .$print$lzycompute(<console>:7)
at .$print(<console>:6)
at $print(<console>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call(IMain.scala:786)
at scala.tools.nsc.interpreter.IMain$Request.loadAndRun(IMain.scala:1047)
at scala.tools.nsc.interpreter.IMain$WrappedRequest$$anonfun$loadAndRunReq$1.apply(IMain.scala:638)
at scala.tools.nsc.interpreter.IMain$WrappedRequest$$anonfun$loadAndRunReq$1.apply(IMain.scala:637)
at scala.reflect.internal.util.ScalaClassLoader$class.asContext(ScalaClassLoader.scala:31)
at scala.reflect.internal.util.AbstractFileClassLoader.asContext(AbstractFileClassLoader.scala:19)
at scala.tools.nsc.interpreter.IMain$WrappedRequest.loadAndRunReq(IMain.scala:637)
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:569)
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:565)
at sun.reflect.GeneratedMethodAccessor369.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.zeppelin.spark.Utils.invokeMethod(Utils.java:38)
at org.apache.zeppelin.spark.SparkInterpreter.interpret(SparkInterpreter.java:1000)
at org.apache.zeppelin.spark.SparkInterpreter.interpretInput(SparkInterpreter.java:1205)
at org.apache.zeppelin.spark.SparkInterpreter.interpret(SparkInterpreter.java:1172)
at org.apache.zeppelin.spark.SparkInterpreter.interpret(SparkInterpreter.java:1165)
at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:97)
at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:498)
at org.apache.zeppelin.scheduler.Job.run(Job.java:175)
at org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:139)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
** END NESTED EXCEPTION **
Last packet sent to the server was 1 ms ago.
at com.mysql.jdbc.Connection.createNewIO(Connection.java:2741)
at com.mysql.jdbc.Connection.<init>(Connection.java:1531)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:61)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:52)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:58)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:114)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:52)
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:307)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:178)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:146)
... 58 elided
java.lang.NullPointerException
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:72)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:114)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:52)
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:307)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:178)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:146)
... 58 elided
java.lang.NullPointerException
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:72)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:114)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:52)
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:307)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:178)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:146)
at org.apache.spark.sql.DataFrameReader.jdbc(DataFrameReader.scala:193)
... 58 elided
com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:
** BEGIN NESTED EXCEPTION **
java.net.SocketException
MESSAGE: java.net.ConnectException: Connection timed out (Connection timed out)
STACKTRACE:
java.net.SocketException: java.net.ConnectException: Connection timed out (Connection timed out)
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:156)
at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:276)
at com.mysql.jdbc.Connection.createNewIO(Connection.java:2666)
at com.mysql.jdbc.Connection.<init>(Connection.java:1531)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:61)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:52)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:58)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:114)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:52)
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:307)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:178)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:146)
at <init>(<console>:50)
at <init>(<console>:55)
at <init>(<console>:57)
at <init>(<console>:59)
at <init>(<console>:61)
at <init>(<console>:63)
at <init>(<console>:65)
at <init>(<console>:67)
at <init>(<console>:69)
at <init>(<console>:71)
at <init>(<console>:73)
at <init>(<console>:75)
at <init>(<console>:77)
at <init>(<console>:79)
at <init>(<console>:81)
at <init>(<console>:83)
at <init>(<console>:85)
at <init>(<console>:87)
at <init>(<console>:89)
at <init>(<console>:91)
at <init>(<console>:93)
at .<init>(<console>:97)
at .<clinit>(<console>)
at .$print$lzycompute(<console>:7)
at .$print(<console>:6)
at $print(<console>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call(IMain.scala:786)
at scala.tools.nsc.interpreter.IMain$Request.loadAndRun(IMain.scala:1047)
at scala.tools.nsc.interpreter.IMain$WrappedRequest$$anonfun$loadAndRunReq$1.apply(IMain.scala:638)
at scala.tools.nsc.interpreter.IMain$WrappedRequest$$anonfun$loadAndRunReq$1.apply(IMain.scala:637)
at scala.reflect.internal.util.ScalaClassLoader$class.asContext(ScalaClassLoader.scala:31)
at scala.reflect.internal.util.AbstractFileClassLoader.asContext(AbstractFileClassLoader.scala:19)
at scala.tools.nsc.interpreter.IMain$WrappedRequest.loadAndRunReq(IMain.scala:637)
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:569)
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:565)
at sun.reflect.GeneratedMethodAccessor369.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.zeppelin.spark.Utils.invokeMethod(Utils.java:38)
at org.apache.zeppelin.spark.SparkInterpreter.interpret(SparkInterpreter.java:1000)
at org.apache.zeppelin.spark.SparkInterpreter.interpretInput(SparkInterpreter.java:1205)
at org.apache.zeppelin.spark.SparkInterpreter.interpret(SparkInterpreter.java:1172)
at org.apache.zeppelin.spark.SparkInterpreter.interpret(SparkInterpreter.java:1165)
at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:97)
at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:498)
at org.apache.zeppelin.scheduler.Job.run(Job.java:175)
at org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:139)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
** END NESTED EXCEPTION **
Last packet sent to the server was 1 ms ago.
at com.mysql.jdbc.Connection.createNewIO(Connection.java:2741)
at com.mysql.jdbc.Connection.<init>(Connection.java:1531)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:61)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:52)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:58)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:114)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:52)
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:307)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:178)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:146)
... 58 elided
java.lang.NullPointerException
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:72)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:114)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:52)
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:307)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:178)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:146)
... 58 elided
java.lang.NullPointerException
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:72)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:114)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:52)
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:307)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:178)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:146)
at org.apache.spark.sql.DataFrameReader.jdbc(DataFrameReader.scala:193)
... 58 elided
java.lang.NullPointerException
位于org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable（JDBCRDD.scala:72）
位于org.apache.spark.sql.execution.datasources.jdbc.jdbcreation.（jdbcreation.scala:114）
位于org.apache.spark.sql.execution.datasources.jdbc.jdbrelationprovider.createRelation（jdbrelationprovider.scala:52）
位于org.apache.spark.sql.execution.datasources.DataSource.resolveRelation（DataSource.scala:307）
位于org.apache.spark.sql.DataFrameReader.load（DataFrameReader.scala:178）
位于org.apache.spark.sql.DataFrameReader.load（DataFrameReader.scala:146）
位于org.apache.spark.sql.DataFrameReader.jdbc（DataFrameReader.scala:193）
... 58删去
com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:
** BEGIN NESTED EXCEPTION **
java.net.SocketException
MESSAGE: java.net.ConnectException: Connection timed out (Connection timed out)
STACKTRACE:
java.net.SocketException: java.net.ConnectException: Connection timed out (Connection timed out)
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:156)
at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:276)
at com.mysql.jdbc.Connection.createNewIO(Connection.java:2666)
at com.mysql.jdbc.Connection.<init>(Connection.java:1531)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:61)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:52)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:58)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:114)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:52)
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:307)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:178)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:146)
at <init>(<console>:40)
at <init>(<console>:45)
at <init>(<console>:47)
at <init>(<console>:49)
at <init>(<console>:51)
at <init>(<console>:53)
at <init>(<console>:55)
at <init>(<console>:57)
at <init>(<console>:59)
at <init>(<console>:61)
at <init>(<console>:63)
at <init>(<console>:65)
at <init>(<console>:67)
at .<init>(<console>:71)
at .<clinit>(<console>)
at .$print$lzycompute(<console>:7)
at .$print(<console>:6)
at $print(<console>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call(IMain.scala:786)
at scala.tools.nsc.interpreter.IMain$Request.loadAndRun(IMain.scala:1047)
at scala.tools.nsc.interpreter.IMain$WrappedRequest$$anonfun$loadAndRunReq$1.apply(IMain.scala:638)
at scala.tools.nsc.interpreter.IMain$WrappedRequest$$anonfun$loadAndRunReq$1.apply(IMain.scala:637)
at scala.reflect.internal.util.ScalaClassLoader$class.asContext(ScalaClassLoader.scala:31)
at scala.reflect.internal.util.AbstractFileClassLoader.asContext(AbstractFileClassLoader.scala:19)
at scala.tools.nsc.interpreter.IMain$WrappedRequest.loadAndRunReq(IMain.scala:637)
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:569)
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:565)
at sun.reflect.GeneratedMethodAccessor340.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.zeppelin.spark.Utils.invokeMethod(Utils.java:38)
at org.apache.zeppelin.spark.SparkInterpreter.interpret(SparkInterpreter.java:1000)
at org.apache.zeppelin.spark.SparkInterpreter.interpretInput(SparkInterpreter.java:1205)
at org.apache.zeppelin.spark.SparkInterpreter.interpret(SparkInterpreter.java:1172)
at org.apache.zeppelin.spark.SparkInterpreter.interpret(SparkInterpreter.java:1165)
at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:97)
at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:498)
at org.apache.zeppelin.scheduler.Job.run(Job.java:175)
at org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:139)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
** END NESTED EXCEPTION **
Last packet sent to the server was 7 ms ago.
at com.mysql.jdbc.Connection.createNewIO(Connection.java:2741)
at com.mysql.jdbc.Connection.<init>(Connection.java:1531)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:61)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply(JdbcUtils.scala:52)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable(JDBCRDD.scala:58)
at org.apache.spark.sql.execution.datasources.jdbc.JDBCRelation.<init>(JDBCRelation.scala:114)
at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:52)
at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:307)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:178)
at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:146)
... 50 elided
com.mysql.jdbc.CommunicationsException:由于底层异常导致的通信链路故障：
**开始嵌套异常**
java.net.SocketException
消息：java.net.ConnectException:连接超时（连接超时）
堆栈跟踪：
java.net.SocketException:java.net.ConnectException:连接超时（连接超时）
位于com.mysql.jdbc.StandardSocketFactory.connect（StandardSocketFactory.java:156）
在com.mysql.jdbc.MysqlIO上（MysqlIO.java:276）
在com.mysql.jdbc.Connection.createNewIO上（Connection.java:2666）
位于com.mysql.jdbc.Connection（Connection.java:1531）
位于com.mysql.jdbc.NonRegisteringDriver.connect（NonRegisteringDriver.java:266）
位于org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply（JdbcUtils.scala:61）
位于org.apache.spark.sql.execution.datasources.jdbc.JdbcUtils$$anonfun$createConnectionFactory$1.apply（JdbcUtils.scala:52）
位于org.apache.spark.sql.execution.datasources.jdbc.JDBCRDD$.resolveTable（JDBCRDD.scala:58）
位于org.apache.spark.sql.execution.datasources.jdbc.jdbcreation.（jdbcreation.scala:114）
位于org.apache.spark.sql.execution.datasources.jdbc.jdbrelationprovider.createRelation（jdbrelationprovider.scala:52）
位于org.apache.spark.sql.execution.datasources.DataSource.resolveRelation（DataSource.scala:307）
位于org.apache.spark.sql.DataFrameReader.load（DataFrameReader.scala:178）
位于org.apache.spark.sql.DataFrameReader.load（DataFrameReader.scala:146）
在（：40）
在（：45）
在（：47）
在（：49）
在（：51）
在（：53）
在（：55）
在（：57）
在（：59）
在（：61）
在（：63）
在（：65）
在（：67）
在。（：71）
在
at.$print$lzycompute（：7）
至少$print（：6）
$print（）
在sun.reflect.NativeMethodAccessorImpl.invoke0（本机方法）处
位于sun.reflect.NativeMethodAccessorImpl.invoke（NativeMethodAccessorImpl.java:62）
在sun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:43）中
位于java.lang.reflect.Method.invoke（Method.java:498）
在scala.tools.nsc.explorer.IMain$ReadEvalPrint.call中（IMain.scala:786）
位于scala.tools.nsc.explorer.IMain$Request.loadAndRun（IMain.scala:1047）
在scala.tools.nsc.explorer.IMain$WrappedRequest$$anonfun$loadAndRunReq$1.apply（IMain.scala:638）
在scala.tools.nsc.explorer.IMain$WrappedRequest$$anonfun$loadAndRunReq$1.apply（IMain.scala:637）
位于scala.reflect.internal.util.ScalaClassLoader$class.asContext（ScalaClassLoader.scala:31）
位于scala.reflect.internal.util.AbstractFileClassLoader.asContext（AbstractFileClassLoader.scala:19）
位于scala.tools.nsc.explorer.IMain$WrappedRequest.loadAndRunReq（IMain.scala:637）
在scala.tools.nsc.explorer.IMain.explore（IMain.scala:569）中
在scala.tools.nsc.explorer.IMain.explore（IMain.scala:565）中
在sun.reflect.GeneratedMethodAccessor340.invoke处（未知源）
在sun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:43）中
位于java.lang.reflect.Method.invoke（Method.java:498）
位于org.apache.zeppelin.spark.Utils.invokeMethod（Utils.java:38）
位于org.apache.zeppelin.spark.sparkinterpeter.exploration（sparkinterpeter.java:1000）
位于org.apache.zeppelin.spark.sparkinterpeter.interpretainput（sparkinterpeter.java:1205）
位于org.apache.zeppelin.spark.sparkinterpeter.exploration（sparkinterpeter.java:1172）
位于org.apache.zeppelin.spark.sparkinterpeter.exploration（sparkinterpeter.java:1165）
在org.apache.zeppelin.explorer.lazyopenexplorer.explor（lazyopenexplorer.java:97）上
位于org.apache.zeppelin.explorer.remote.remoteExplorerserver$interpretajob.jobRun（remoteExplorerserver.java:498）
位于org.apache.zeppelin.scheduler.Job.run（Job.java:175）
位于org.apache.zeppelin.scheduler.FIFOScheduler$1.run（FIFOScheduler.java:139）
位于java.util.concurrent.Executors$RunnableAdapter.call（Executors.java:511）
在java.util.concurrent.FutureTask.run（FutureTask.java:266）处
位于java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201（ScheduledThreadPoolExecutor.java:180）
位于java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run（ScheduledThreadPoolExecutor.java:293）
位于java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1149）
位于java.util.concurrent.ThreadPoolExecutor$Worker.run（ThreadPoolExecutor.java:624）
运行（Thread.java:748）
**结束嵌套异常**
发送到服务器的最后一个数据包是7毫秒前。
在com.mysql.jdbc.Connection.createNewIO上（Connection.java:2741）
在com.mysql.jdbc.Conne