Shaofeng SHI created KYLIN-1229:
-----------------------------------

             Summary: CubeMigrationCLI should not need set KYLIN_HOME
                 Key: KYLIN-1229
                 URL: https://issues.apache.org/jira/browse/KYLIN-1229
             Project: Kylin
          Issue Type: Bug
    Affects Versions: v1.0, v1.1, v1.2
            Reporter: Shaofeng SHI
            Assignee: Shaofeng SHI
            Priority: Minor
             Fix For: v1.3


When release a cube from one Kylin server to another Kylin server, if didn't 
set KYLIN_HOME environment variable, it will throw exception:

{code}
hbase -Dlog4j.configuration=/conf/log4j.properties  
org.apache.hadoop.util.RunJar lib/kylin-job-1.2-SNAPSHOT.jar 
org.apache.kylin.job.tools.CubeMigrationCLI   kylin-qa:80  kylin-prod:80 
CUBE_NAME PROJ_NAME true true false

L4J [2015-12-14 
00:44:53,578][ERROR][org.apache.kylin.common.persistence.ResourceStore] - 
Create new store instance failed
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at 
org.apache.kylin.common.persistence.ResourceStore.getStore(ResourceStore.java:76)
        at 
org.apache.kylin.job.tools.CubeMigrationCLI.moveCube(CubeMigrationCLI.java:94)
        at 
org.apache.kylin.job.tools.CubeMigrationCLI.moveCube(CubeMigrationCLI.java:138)
        at 
org.apache.kylin.job.tools.CubeMigrationCLI.main(CubeMigrationCLI.java:82)
        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.hadoop.util.RunJar.main(RunJar.java:212)
Caused by: java.lang.RuntimeException: Didn't find KYLIN_CONF or KYLIN_HOME, 
please set one of them
        at 
org.apache.kylin.common.KylinConfig.getKylinProperties(KylinConfig.java:600)
        at 
org.apache.kylin.common.KylinConfig.getKylinPropertiesAsInputSteam(KylinConfig.java:608)
        at 
org.apache.kylin.common.KylinConfig.loadKylinConfig(KylinConfig.java:249)
        at 
org.apache.kylin.common.KylinConfig.getInstanceFromEnv(KylinConfig.java:145)
        at 
org.apache.kylin.common.util.HadoopUtil.getCurrentHBaseConfiguration(HadoopUtil.java:56)
        at 
org.apache.kylin.common.persistence.HBaseConnection.get(HBaseConnection.java:68)
        at 
org.apache.kylin.common.persistence.HBaseResourceStore.getConnection(HBaseResourceStore.java:81)
        at 
org.apache.kylin.common.persistence.HBaseResourceStore.createHTableIfNeeded(HBaseResourceStore.java:100)
        at 
org.apache.kylin.common.persistence.HBaseResourceStore.<init>(HBaseResourceStore.java:95)
        ... 13 more
Exception in thread "main" java.lang.IllegalArgumentException: Failed to find 
metadata store by url: kylin_metadata_qa@hbase
        at 
org.apache.kylin.common.persistence.ResourceStore.getStore(ResourceStore.java:91)
        at 
org.apache.kylin.job.tools.CubeMigrationCLI.moveCube(CubeMigrationCLI.java:94)
        at 
org.apache.kylin.job.tools.CubeMigrationCLI.moveCube(CubeMigrationCLI.java:138)
        at 
org.apache.kylin.job.tools.CubeMigrationCLI.main(CubeMigrationCLI.java:82)
        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)
{code}

The problem is between HBaseResourceStore.getConnection() and 
HBaseConnection.get(url), which depends on an implicit KylinConfig, insteading 
using the given KylinConfig.



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