Furcy: Thank you. So. Much.
On Dec 10, 2017, 4:34 AM -0800, Furcy Pin <pin.fu...@gmail.com>, wrote: > Hi Scott, > > I ran into similar issues before. > > > I think that you need to do two things to enable Hive access to s3: > > > 1. add the following jars to your Hive classpath, for instance by using > symlinks > > ln -s $HADOOP_HOME/share/hadoop/tools/lib/aws-java-sdk-1.7.4.jar > $HIVE_HOME/lib/. > ln -s $HADOOP_HOME/share/hadoop/tools/lib/hadoop-aws-2.7.3.jar > $HIVE_HOME/lib/. > > > 2. Configure your $HADOOP_HOME/conf/hdfs-site.xml with the following > parameters > (replace the $AWS_ values with your correct values, environment variable > substitution doesn't work until Hadoop 3 I believe) > > > <configuration> > <property> > <name>fs.s3a.access.key</name> > <value>$AWS_ACCESS_KEY_ID</value> > </property> > <property> > <name>fs.s3a.secret.key</name> > <value>$AWS_SECRET_ACCESS_KEY</value> > </property> > </configuration> > > > > You can also check out the docker I made with Hive and Spark pre-installed > and pre-configured for Amazon > https://github.com/FurcyPin/docker-hive-spark > > You can either use it directly or just look at how I did it. > > Regards, > > Furcy > > > > > > 2017-12-09 20:01 GMT+01:00 Scott Halgrim <scott.halg...@zapier.com>: > > > Thanks, Elliott. > > > > > > I’m using Ubuntu 14.04.5 LTS, Hadoop 2.9.0, and Hive 2.3.2. > > > > > > I hadn’t had a CLASSPATH environment variable set, but I did just set it > > > to have that jar on it and I get the same answer. > > > > > > I don’t really have the installation in “/path/to/…” but everything else > > > in the path is correct. You’re right, I’m just obfuscating the actual > > > value. > > > > > > A new odd behavior that didn’t happen yesterday, is that in hive, ‘SELECT > > > * FROM TBLS;’ returns an error: ‘Table not found: TBLS’. Yet, I can > > > connect to the MySQL backend and query it fine. In hive I can also query > > > tables I know are there…just not TBLS. > > > > > > Hope that makes sense, > > > > > > Thanks again! > > > > > > Scott > > > > > > On Dec 9, 2017, 9:46 AM -0800, Elliot West <tea...@gmail.com>, wrote: > > > > Which distribution are you using? Do you have hadoop-aws on the class > > > > path? Is ‘/path/to/hadoop/install’ a literal value or a placeholder > > > > that you’ using for the actual location? > > > > > > > > Cheers, > > > > > > > > Elliot. > > > > > > > > > On Sat, 9 Dec 2017 at 00:08, Scott Halgrim <scott.halg...@zapier.com> > > > > > wrote: > > > > > > Hi, > > > > > > > > > > > > I’ve been struggling with this for a few hours, hopefully somebody > > > > > > here can help me out. > > > > > > > > > > > > We have a lot of data in parquet format on S3 and we want to use > > > > > > Hive to query it. I’m running on ubuntu and we have a MySQL > > > > > > metadata store on AWS RDS. > > > > > > > > > > > > The command in the hive client I’m trying to run is: > > > > > > > CREATE EXTERNAL TABLE > > > > > > > my_schema.my_table > > > > > > > (account_id INT, > > > > > > > action VARCHAR(282), > > > > > > > another_id INT > > > > > > > yaid INT, > > > > > > > `date` TIMESTAMP, > > > > > > > deleted_at TIMESTAMP, > > > > > > > id INT, > > > > > > > lastchanged TIMESTAMP, > > > > > > > thing_index DOUBLE, > > > > > > > old_id INT, > > > > > > > parent_id INT, > > > > > > > running INT, > > > > > > > other_id INT, > > > > > > > another_thing VARCHAR(282), > > > > > > > title VARCHAR(282), > > > > > > > type_of VARCHAR(282)) > > > > > > > PARTITIONED BY (snapshot_date DATE) > > > > > > > STORED AS parquet > > > > > > > LOCATION 's3a://bucket/folder/foo_my_schema.my_table’; > > > > > > > > > > > > The error I get is: > > > > > > > FAILED: SemanticException java.lang.RuntimeException: > > > > > > > java.lang.ClassNotFoundException: Class > > > > > > > org.apache.hadoop.fs.s3a.S3AFileSystem not found > > > > > > > > > > > > I have this in my hive-site.xml file: > > > > > > > <property> > > > > > > > <name>hive.aux.jars.path</name> > > > > > > > <value>/path/to/hadoop-install/hadoop-2.9.0/share/hadoop/tools/lib</value> > > > > > > > </property> > > > > > > > > > > > > > > > > > > Another thing I tried was to create the external table without a > > > > > > location and then alter it to have the location: > > > > > > > > > > > > > alter table my_schema.my_table set location > > > > > > > "s3a://bucket/folder/foo_my_schema.my_table"; > > > > > > > > > > > > And then I get a different error: > > > > > > > > > > > > > FAILED: SemanticException Cannot connect to namenode, please > > > > > > > check if host/port pair for > > > > > > > s3a://bucket/folder/foo_my_schema.my_table is valid > > > > > > > > > > > > What could I be missing? > > > > > > > > > > > > Thanks! > > > > > > > > > > > > Scott >
