[KYLIN-3871] Kylin inside Cloudera CDH Quickstart Sandbox

• Type: Test
• Status: Closed
• Priority: Blocker
• Resolution: Workaround
• Affects Version/s: v2.6.0
• Component/s: Job Engine, Real-time Streaming
• Environment: Cloudera Quickstart Docker image: ; - OS: centos6 ; - memory: 13GB ; - disk: 20GB ; - java: 1.8 ; - maven: 3.5.3
• Assignee: Unassigned
• Reporter: Yanwen Lin
• Created: 13/Mar/19 09:24
• Updated: 15/Mar/19 16:23
• Resolved: 15/Mar/19 16:23

Description

When doing integration test, I met the following error. I know this is related to Java version error and the reason is that Kylin use java1.8 while Cloudera use java1.7. So I manually installed java 1.8 and set JAVA_HOME to point to Spark2.x. (I also type spark-submit --version to check this). But the bug did not go away. I guess during the process of Spark job, some command may change the Java version back to java1.7 (not sure). Is there anyway to force it not change back to Java1.7 or any workaround?

I have successfully finished maven installing and unit tests.

Branch:

realtime-streaming

Executed command with problem:

mvn verify -fae -Dhdp.version=2.4.0.0-169 -P sandbox

Error stack:

Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/spark/network/util/ByteUnit : Unsupported major.minor version 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
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$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at org.apache.spark.deploy.history.config$.<init>(config.scala:44)
at org.apache.spark.deploy.history.config$.<clinit>(config.scala)
at org.apache.spark.SparkConf$.<init>(SparkConf.scala:635)
at org.apache.spark.SparkConf$.<clinit>(SparkConf.scala)
at org.apache.spark.SparkConf.set(SparkConf.scala:94)
at org.apache.spark.SparkConf$$anonfun$loadFromSystemProperties$3.apply(SparkConf.scala:76)
at org.apache.spark.SparkConf$$anonfun$loadFromSystemProperties$3.apply(SparkConf.scala:75)
at scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.scala:733)
at scala.collection.immutable.HashMap$HashMap1.foreach(HashMap.scala:221)
at scala.collection.immutable.HashMap$HashTrieMap.foreach(HashMap.scala:428)
at scala.collection.immutable.HashMap$HashTrieMap.foreach(HashMap.scala:428)
at scala.collection.immutable.HashMap$HashTrieMap.foreach(HashMap.scala:428)
at scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:732)
at org.apache.spark.SparkConf.loadFromSystemProperties(SparkConf.scala:75)
at org.apache.spark.SparkConf.<init>(SparkConf.scala:70)
at org.apache.spark.SparkConf.<init>(SparkConf.scala:57)
at org.apache.spark.deploy.yarn.ApplicationMaster.<init>(ApplicationMaster.scala:62)
at org.apache.spark.deploy.yarn.ApplicationMaster$.main(ApplicationMaster.scala:838)
at org.apache.spark.deploy.yarn.ExecutorLauncher$.main(ApplicationMaster.scala:869)
at org.apache.spark.deploy.yarn.ExecutorLauncher.main(ApplicationMaster.scala)