[
https://issues.apache.org/jira/browse/SPARK-20436?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Armin Braun updated SPARK-20436:
--------------------------------
Description:
I have written a Spark Streaming application which have two DStreams.
Code is :
{code}
object KafkaTwoInkfk {
def main(args: Array[String]) {
val Array(checkPointDir, brokers, topic1, topic2, batchSize) = args
val ssc = StreamingContext.getOrCreate(checkPointDir, () =>
createContext(args))
ssc.start()
ssc.awaitTermination()
}
def createContext(args : Array[String]) : StreamingContext = {
val Array(checkPointDir, brokers, topic1, topic2, batchSize) = args
val sparkConf = new SparkConf().setAppName("KafkaWordCount")
val ssc = new StreamingContext(sparkConf, Seconds(batchSize.toLong))
ssc.checkpoint(checkPointDir)
val topicArr1 = topic1.split(",")
val topicSet1 = topicArr1.toSet
val topicArr2 = topic2.split(",")
val topicSet2 = topicArr2.toSet
val kafkaParams = Map[String, String](
"metadata.broker.list" -> brokers
)
val lines1 = KafkaUtils.createDirectStream[String, String, StringDecoder,
StringDecoder](ssc, kafkaParams, topicSet1)
val words1 = lines1.map(_._2).flatMap(_.split(" "))
val wordCounts1 = words1.map(x => {
(x, 1L)}).reduceByKey(_ + _)
wordCounts1.print()
val lines2 = KafkaUtils.createDirectStream[String, String, StringDecoder,
StringDecoder](ssc, kafkaParams, topicSet2)
val words2 = lines1.map(_._2).flatMap(_.split(" "))
val wordCounts2 = words2.map(x => {
(x, 1L)}).reduceByKey(_ + _)
wordCounts2.print()
return ssc
}
}
{code}
when restart from checkpoint file, it throw NullPointerException:
java.lang.NullPointerException
at
org.apache.spark.streaming.dstream.DStreamCheckpointData$$anonfun$writeObject$1.apply$mcV$sp(DStreamCheckpointData.scala:126)
at
org.apache.spark.streaming.dstream.DStreamCheckpointData$$anonfun$writeObject$1.apply(DStreamCheckpointData.scala:124)
at
org.apache.spark.streaming.dstream.DStreamCheckpointData$$anonfun$writeObject$1.apply(DStreamCheckpointData.scala:124)
at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1291)
at
org.apache.spark.streaming.dstream.DStreamCheckpointData.writeObject(DStreamCheckpointData.scala:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1028)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
at
java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:441)
at
org.apache.spark.streaming.dstream.DStream$$anonfun$writeObject$1.apply$mcV$sp(DStream.scala:528)
at
org.apache.spark.streaming.dstream.DStream$$anonfun$writeObject$1.apply(DStream.scala:523)
at
org.apache.spark.streaming.dstream.DStream$$anonfun$writeObject$1.apply(DStream.scala:523)
at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1291)
at
org.apache.spark.streaming.dstream.DStream.writeObject(DStream.scala:523)
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
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1028)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1378)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
at
java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:441)
at
org.apache.spark.streaming.DStreamGraph$$anonfun$writeObject$1.apply$mcV$sp(DStreamGraph.scala:190)
at
org.apache.spark.streaming.DStreamGraph$$anonfun$writeObject$1.apply(DStreamGraph.scala:185)
at
org.apache.spark.streaming.DStreamGraph$$anonfun$writeObject$1.apply(DStreamGraph.scala:185)
at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1291)
at
org.apache.spark.streaming.DStreamGraph.writeObject(DStreamGraph.scala:185)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1028)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
at
org.apache.spark.streaming.Checkpoint$$anonfun$serialize$1.apply$mcV$sp(Checkpoint.scala:145)
at
org.apache.spark.streaming.Checkpoint$$anonfun$serialize$1.apply(Checkpoint.scala:145)
at
org.apache.spark.streaming.Checkpoint$$anonfun$serialize$1.apply(Checkpoint.scala:145)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1325)
at
org.apache.spark.streaming.Checkpoint$.serialize(Checkpoint.scala:146)
at
org.apache.spark.streaming.StreamingContext.validate(StreamingContext.scala:524)
at
org.apache.spark.streaming.StreamingContext.liftedTree1$1(StreamingContext.scala:572)
at
org.apache.spark.streaming.StreamingContext.start(StreamingContext.scala:571)
at com.spark.test.KafkaTwoInkfk$.main(KafkaTwoInkfk.scala:21)
at com.spark.test.KafkaTwoInkfk.main(KafkaTwoInkfk.scala)
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
org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:760)
at
org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:190)
at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:215)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:129)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
was:
I have written a Spark Streaming application which have two DStreams.
Code is :
object KafkaTwoInkfk {
def main(args: Array[String]) {
val Array(checkPointDir, brokers, topic1, topic2, batchSize) = args
val ssc = StreamingContext.getOrCreate(checkPointDir, () =>
createContext(args))
ssc.start()
ssc.awaitTermination()
}
def createContext(args : Array[String]) : StreamingContext = {
val Array(checkPointDir, brokers, topic1, topic2, batchSize) = args
val sparkConf = new SparkConf().setAppName("KafkaWordCount")
val ssc = new StreamingContext(sparkConf, Seconds(batchSize.toLong))
ssc.checkpoint(checkPointDir)
val topicArr1 = topic1.split(",")
val topicSet1 = topicArr1.toSet
val topicArr2 = topic2.split(",")
val topicSet2 = topicArr2.toSet
val kafkaParams = Map[String, String](
"metadata.broker.list" -> brokers
)
val lines1 = KafkaUtils.createDirectStream[String, String, StringDecoder,
StringDecoder](ssc, kafkaParams, topicSet1)
val words1 = lines1.map(_._2).flatMap(_.split(" "))
val wordCounts1 = words1.map(x => {
(x, 1L)}).reduceByKey(_ + _)
wordCounts1.print()
val lines2 = KafkaUtils.createDirectStream[String, String, StringDecoder,
StringDecoder](ssc, kafkaParams, topicSet2)
val words2 = lines1.map(_._2).flatMap(_.split(" "))
val wordCounts2 = words2.map(x => {
(x, 1L)}).reduceByKey(_ + _)
wordCounts2.print()
return ssc
}
}
when restart from checkpoint file, it throw NullPointerException:
java.lang.NullPointerException
at
org.apache.spark.streaming.dstream.DStreamCheckpointData$$anonfun$writeObject$1.apply$mcV$sp(DStreamCheckpointData.scala:126)
at
org.apache.spark.streaming.dstream.DStreamCheckpointData$$anonfun$writeObject$1.apply(DStreamCheckpointData.scala:124)
at
org.apache.spark.streaming.dstream.DStreamCheckpointData$$anonfun$writeObject$1.apply(DStreamCheckpointData.scala:124)
at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1291)
at
org.apache.spark.streaming.dstream.DStreamCheckpointData.writeObject(DStreamCheckpointData.scala:124)
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
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1028)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
at
java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:441)
at
org.apache.spark.streaming.dstream.DStream$$anonfun$writeObject$1.apply$mcV$sp(DStream.scala:528)
at
org.apache.spark.streaming.dstream.DStream$$anonfun$writeObject$1.apply(DStream.scala:523)
at
org.apache.spark.streaming.dstream.DStream$$anonfun$writeObject$1.apply(DStream.scala:523)
at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1291)
at
org.apache.spark.streaming.dstream.DStream.writeObject(DStream.scala:523)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1028)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1378)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
at
java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:441)
at
org.apache.spark.streaming.DStreamGraph$$anonfun$writeObject$1.apply$mcV$sp(DStreamGraph.scala:190)
at
org.apache.spark.streaming.DStreamGraph$$anonfun$writeObject$1.apply(DStreamGraph.scala:185)
at
org.apache.spark.streaming.DStreamGraph$$anonfun$writeObject$1.apply(DStreamGraph.scala:185)
at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1291)
at
org.apache.spark.streaming.DStreamGraph.writeObject(DStreamGraph.scala:185)
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
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1028)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
at
org.apache.spark.streaming.Checkpoint$$anonfun$serialize$1.apply$mcV$sp(Checkpoint.scala:145)
at
org.apache.spark.streaming.Checkpoint$$anonfun$serialize$1.apply(Checkpoint.scala:145)
at
org.apache.spark.streaming.Checkpoint$$anonfun$serialize$1.apply(Checkpoint.scala:145)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1325)
at
org.apache.spark.streaming.Checkpoint$.serialize(Checkpoint.scala:146)
at
org.apache.spark.streaming.StreamingContext.validate(StreamingContext.scala:524)
at
org.apache.spark.streaming.StreamingContext.liftedTree1$1(StreamingContext.scala:572)
at
org.apache.spark.streaming.StreamingContext.start(StreamingContext.scala:571)
at com.spark.test.KafkaTwoInkfk$.main(KafkaTwoInkfk.scala:21)
at com.spark.test.KafkaTwoInkfk.main(KafkaTwoInkfk.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:760)
at
org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:190)
at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:215)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:129)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
> NullPointerException when restart from checkpoint file
> ------------------------------------------------------
>
> Key: SPARK-20436
> URL: https://issues.apache.org/jira/browse/SPARK-20436
> Project: Spark
> Issue Type: Bug
> Components: DStreams
> Affects Versions: 1.5.0
> Reporter: fangfengbin
>
> I have written a Spark Streaming application which have two DStreams.
> Code is :
> {code}
> object KafkaTwoInkfk {
> def main(args: Array[String]) {
> val Array(checkPointDir, brokers, topic1, topic2, batchSize) = args
> val ssc = StreamingContext.getOrCreate(checkPointDir, () =>
> createContext(args))
> ssc.start()
> ssc.awaitTermination()
> }
> def createContext(args : Array[String]) : StreamingContext = {
> val Array(checkPointDir, brokers, topic1, topic2, batchSize) = args
> val sparkConf = new SparkConf().setAppName("KafkaWordCount")
> val ssc = new StreamingContext(sparkConf, Seconds(batchSize.toLong))
> ssc.checkpoint(checkPointDir)
> val topicArr1 = topic1.split(",")
> val topicSet1 = topicArr1.toSet
> val topicArr2 = topic2.split(",")
> val topicSet2 = topicArr2.toSet
> val kafkaParams = Map[String, String](
> "metadata.broker.list" -> brokers
> )
> val lines1 = KafkaUtils.createDirectStream[String, String, StringDecoder,
> StringDecoder](ssc, kafkaParams, topicSet1)
> val words1 = lines1.map(_._2).flatMap(_.split(" "))
> val wordCounts1 = words1.map(x => {
> (x, 1L)}).reduceByKey(_ + _)
> wordCounts1.print()
> val lines2 = KafkaUtils.createDirectStream[String, String, StringDecoder,
> StringDecoder](ssc, kafkaParams, topicSet2)
> val words2 = lines1.map(_._2).flatMap(_.split(" "))
> val wordCounts2 = words2.map(x => {
> (x, 1L)}).reduceByKey(_ + _)
> wordCounts2.print()
> return ssc
> }
> }
> {code}
> when restart from checkpoint file, it throw NullPointerException:
> java.lang.NullPointerException
> at
> org.apache.spark.streaming.dstream.DStreamCheckpointData$$anonfun$writeObject$1.apply$mcV$sp(DStreamCheckpointData.scala:126)
> at
> org.apache.spark.streaming.dstream.DStreamCheckpointData$$anonfun$writeObject$1.apply(DStreamCheckpointData.scala:124)
> at
> org.apache.spark.streaming.dstream.DStreamCheckpointData$$anonfun$writeObject$1.apply(DStreamCheckpointData.scala:124)
> at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1291)
> at
> org.apache.spark.streaming.dstream.DStreamCheckpointData.writeObject(DStreamCheckpointData.scala:124)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1028)
> at
> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
> at
> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
> at
> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
> at
> java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:441)
> at
> org.apache.spark.streaming.dstream.DStream$$anonfun$writeObject$1.apply$mcV$sp(DStream.scala:528)
> at
> org.apache.spark.streaming.dstream.DStream$$anonfun$writeObject$1.apply(DStream.scala:523)
> at
> org.apache.spark.streaming.dstream.DStream$$anonfun$writeObject$1.apply(DStream.scala:523)
> at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1291)
> at
> org.apache.spark.streaming.dstream.DStream.writeObject(DStream.scala:523)
> 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
> java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1028)
> at
> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
> at
> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
> at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1378)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174)
> at
> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
> at
> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
> at
> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
> at
> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
> at
> java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:441)
> at
> org.apache.spark.streaming.DStreamGraph$$anonfun$writeObject$1.apply$mcV$sp(DStreamGraph.scala:190)
> at
> org.apache.spark.streaming.DStreamGraph$$anonfun$writeObject$1.apply(DStreamGraph.scala:185)
> at
> org.apache.spark.streaming.DStreamGraph$$anonfun$writeObject$1.apply(DStreamGraph.scala:185)
> at org.apache.spark.util.Utils$.tryOrIOException(Utils.scala:1291)
> at
> org.apache.spark.streaming.DStreamGraph.writeObject(DStreamGraph.scala:185)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1028)
> at
> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
> at
> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
> at
> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
> at
> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
> at
> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
> at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
> at
> org.apache.spark.streaming.Checkpoint$$anonfun$serialize$1.apply$mcV$sp(Checkpoint.scala:145)
> at
> org.apache.spark.streaming.Checkpoint$$anonfun$serialize$1.apply(Checkpoint.scala:145)
> at
> org.apache.spark.streaming.Checkpoint$$anonfun$serialize$1.apply(Checkpoint.scala:145)
> at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1325)
> at
> org.apache.spark.streaming.Checkpoint$.serialize(Checkpoint.scala:146)
> at
> org.apache.spark.streaming.StreamingContext.validate(StreamingContext.scala:524)
> at
> org.apache.spark.streaming.StreamingContext.liftedTree1$1(StreamingContext.scala:572)
> at
> org.apache.spark.streaming.StreamingContext.start(StreamingContext.scala:571)
> at com.spark.test.KafkaTwoInkfk$.main(KafkaTwoInkfk.scala:21)
> at com.spark.test.KafkaTwoInkfk.main(KafkaTwoInkfk.scala)
> 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
> org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:760)
> at
> org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:190)
> at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:215)
> at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:129)
> at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
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