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Posted to issues@spark.apache.org by "Thomas Graves (JIRA)" <ji...@apache.org> on 2015/06/24 15:47:04 UTC
[jira] [Assigned] (SPARK-8574) org/apache/spark/unsafe doesn't
honor the java source/target versions
[ https://issues.apache.org/jira/browse/SPARK-8574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Thomas Graves reassigned SPARK-8574:
------------------------------------
Assignee: Thomas Graves
> org/apache/spark/unsafe doesn't honor the java source/target versions
> ---------------------------------------------------------------------
>
> Key: SPARK-8574
> URL: https://issues.apache.org/jira/browse/SPARK-8574
> Project: Spark
> Issue Type: Bug
> Components: Build
> Affects Versions: 1.4.0
> Reporter: Thomas Graves
> Assignee: Thomas Graves
>
> I built spark using jdk8 and the default source compatibility in the pom is 1.6 so I expected to be able to run Spark with jdk7, but if fails because the unsafe code doesn't seem to be honoring the source/target compatibility options set in the top level pom.
> Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/spark/unsafe/memory/MemoryAllocator : Unsupported major.minor version 52.0
> at java.lang.ClassLoader.defineClass1(Native Method)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
> at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
> at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
> at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
> at org.apache.spark.SparkEnv$.create(SparkEnv.scala:392)
> at org.apache.spark.SparkEnv$.createExecutorEnv(SparkEnv.scala:211)
> at org.apache.spark.executor.CoarseGrainedExecutorBackend$$anonfun$run$1.apply$mcV$sp(CoarseGrainedExecutorBackend.scala:180)
> at org.apache.spark.deploy.SparkHadoopUtil.runAsSparkUser(SparkHadoopUtil.scala:74)
> at org.apache.spark.executor.CoarseGrainedExecutorBackend$.run(CoarseGrainedExecutorBackend.scala:146)
> at org.apache.spark.executor.CoarseGrainedExecutorBackend$.main(CoarseGrainedExecutorBackend.scala:245)
> at org.apache.spark.executor.CoarseGrainedExecutorBackend.main(CoarseGrainedExecutorBackend.scala)
> 15/06/23 19:48:24 INFO storage.DiskBlockManager: Shutdown hook called
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