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nexr / RHive

RHive is an R extension facilitating distributed computing via Apache Hive.
http://nexr.github.io/RHive
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Error: java.lang.IllegalStateException: Not connected to hiveserver #78

Open jodictionary opened 9 years ago

jodictionary commented 9 years ago

Not sure what I should do about this 

Exception in thread "Thread-4" java.lang.RuntimeException: java.sql.SQLException: java.lang.ClassNotFoundException
    at com.nexr.rhive.hive.HiveJdbcClient$HiveJdbcConnector.connect(HiveJdbcClient.java:337)
    at com.nexr.rhive.hive.HiveJdbcClient$HiveJdbcConnector.run(HiveJdbcClient.java:322)
Caused by: java.sql.SQLException: java.lang.ClassNotFoundException
    at com.nexr.rhive.hive.DatabaseConnection.connect(DatabaseConnection.java:41)
    at com.nexr.rhive.hive.HiveJdbcClient$HiveJdbcConnector.connect(HiveJdbcClient.java:330)
    ... 1 more
Caused by: java.lang.ClassNotFoundException
    at RJavaClassLoader.findClass(RJavaClassLoader.java:383)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:171)
    at com.nexr.rhive.hive.DatabaseConnection.connect(DatabaseConnection.java:38)
    ... 2 more
Error: java.lang.IllegalStateException: Not connected to hiveserver
ssshow16 commented 9 years ago

I guess that you installed RHive manually from Github and you didn't compile it. If it is right, please compile it and try it again.

arun2324 commented 8 years ago

Hi,

I am getting similar error as above, I have complied RHive from Github repository. Please advise. I am using the below commands:

Sys.setenv(HIVE_HOME="/usr/local/lib/apache-hive-2.0.0-bin") Sys.setenv(HADOOP_HOME="/usr/local/lib/hadoop-2.7.0") library(RHive) Loading required package: rJava Loading required package: Rserve rhive.env() hadoop home: /usr/local/lib/hadoop-2.7.0 hadoop conf: /usr/local/lib/hadoop-2.7.0/conf hive home: /usr/local/lib/apache-hive-2.0.0-bin> rhive.connect(hiveServer2=FALSE)Exception in thread "Thread-6" java.lang.RuntimeException: java.sql.SQLException: java.lang.ClassNotFoundException at com.nexr.rhive.hive.HiveJdbcClient$HiveJdbcConnector.connect(HiveJdbcClient.java:332) at com.nexr.rhive.hive.HiveJdbcClient$HiveJdbcConnector.run(HiveJdbcClient.java:314) Caused by: java.sql.SQLException: java.lang.ClassNotFoundException at com.nexr.rhive.hive.DatabaseConnection.connect(DatabaseConnection.java:41) at com.nexr.rhive.hive.HiveJdbcClient$HiveJdbcConnector.connect(HiveJdbcClient.java:325) ... 1 more Caused by: java.lang.ClassNotFoundException at RJavaClassLoader.findClass(RJavaClassLoader.java:383) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at com.nexr.rhive.hive.DatabaseConnection.connect(DatabaseConnection.java:38) ... 2 more Error: java.lang.IllegalStateException: Not connected to hiveserver