Hi, Running CliDriver.java worked as its doing the necessary initializations .
Thanks On Thu, Feb 10, 2011 at 5:32 PM, bharath vissapragada <bharathvissapragada1...@gmail.com> wrote: > Hi all, > > I loaded Hive source as a java project in eclipse using the ant build. > I modified source and I am trying to fire Hive queries my adding a > main function to "ql/Driver.java" .. Following is the trace I get > after issuing the query.. > > ==================================================== > 11/02/10 17:09:51 INFO ql.Driver: received the command:select * from > page_view JOIN page_view1 ON (page_view.country = page_view1.country) > 11/02/10 17:09:51 INFO ql.Driver: compiling the command:select * from > page_view JOIN page_view1 ON (page_view.country = page_view1.country) > FAILED: Hive Internal Error: java.lang.NullPointerException(null) > java.lang.NullPointerException > at > org.apache.hadoop.hive.ql.parse.VariableSubstitution.substitute(VariableSubstitution.java:20) > at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:326) > at org.apache.hadoop.hive.ql.Driver.run(Driver.java:745) > at org.apache.hadoop.hive.ql.Driver.main(Driver.java:737) > > 11/02/10 17:09:51 ERROR ql.Driver: FAILED: Hive Internal Error: > java.lang.NullPointerException(null) > java.lang.NullPointerException > at > org.apache.hadoop.hive.ql.parse.VariableSubstitution.substitute(VariableSubstitution.java:20) > at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:326) > at org.apache.hadoop.hive.ql.Driver.run(Driver.java:745) > at org.apache.hadoop.hive.ql.Driver.main(Driver.java:737) > > Exception in thread "main" java.lang.NullPointerException > at org.apache.hadoop.hive.ql.Driver.run(Driver.java:747) > at org.apache.hadoop.hive.ql.Driver.main(Driver.java:737) > > ======================================================== > > 1st 2 lines are my logging statements for the query and I think this > error is due to the misconfiguration of the metastore. > > Following is my conf/hive-default.xml (meta-store related settings) > > <property> > <name>javax.jdo.option.ConnectionURL</name> > <value>jdbc:mysql://localhost/hive_meta?createDatabaseIfNotExist=true > </value> > <description>JDBC connect string for a JDBC metastore</description> > </property> > > <property> > <name>javax.jdo.option.ConnectionDriverName</name> > <value>com.mysql.jdbc.Driver</value> > <description>Driver class name for a JDBC metastore</description> > </property> > <property> > <name>javax.jdo.option.ConnectionUserName</name> > <value>root</value> > <description>username to use against metastore database</description> > </property> > > <property> > <name>javax.jdo.option.ConnectionPassword</name> > <value></value> > <description>password to use against metastore database</description> > </property> > > > Even after running the query I dont see any databsase named > "hive_meta" created in my mysql database. My tables are empty .. can > this be the reason??? > > > Thanks > Bharath .V > w:http://research.iiit.ac.in/bharath.v > -- Regards, Bharath .V w:http://research.iiit.ac.in/~bharath.v
