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Posted to issues@spark.apache.org by "Donghai Yu (JIRA)" <ji...@apache.org> on 2016/06/20 10:44:05 UTC
[jira] [Commented] (SPARK-16065) Throw a exception
"java.lang.ClassNotFoundException" when run the spark-submit
[ https://issues.apache.org/jira/browse/SPARK-16065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15339319#comment-15339319 ]
Donghai Yu commented on SPARK-16065:
------------------------------------
Yes, the classes are in that jar. and "new this class directly" is successful.
> Throw a exception "java.lang.ClassNotFoundException" when run the spark-submit
> ------------------------------------------------------------------------------
>
> Key: SPARK-16065
> URL: https://issues.apache.org/jira/browse/SPARK-16065
> Project: Spark
> Issue Type: Bug
> Components: Spark Submit
> Affects Versions: 1.6.0
> Environment: Spark 1.6
> jdk1.7.0_80
> Reporter: Donghai Yu
>
> When run the case if we don't use the spark-submit, it can work. it is failed if use spark-submit and the jar included the Record is in "--jars".
> Then I did a simple testing and write below small program in main to test it. when readObject, the exception happened. and it is wrote into file successfully.
> try {
> var is: ObjectInputStream = null
> try {
> var recordList: List[EagerRecord] = null
> val record = new EagerRecord()
> recordList = record :: recordList
> val in: ObjectOutputStream = new ObjectOutputStream(new BufferedOutputStream(new FileOutputStream("//home/hadoop/1")))
> in.writeObject(new SerializableRecordSet(recordList, ""))
> in.close()
> is = new ObjectInputStream(new BufferedInputStream(new FileInputStream("//home/hadoop/1")))
> is.readObject()
> } finally {
> //IOUtils.close(is)
> }
> } catch {
> case ex: Exception => {
> println(ex)
> throw ex
> }
> } finally {
> //...
> }
> // Error message:
> $spark-submit --master yarn-client --num-executors 5 --executor-memory 6G --class test --jars record.jar test.jar
> java.lang.ClassNotFoundException: com.EagerRecord
> Exception in thread "main" java.lang.ClassNotFoundException: com.EagerRecord
> at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:278)
> at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:625)
> at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1612)
> at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1517)
> at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
> at scala.collection.immutable.$colon$colon.readObject(List.scala:362)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893)
> at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
> at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
> at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
> at test$.main(test.scala:22)
> at test.main(test.scala)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:731)
> at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181)
> at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206)
> at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121)
> at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
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