jdo « hbase « Java Database Q&A

  1. Java Database Q&A
  2. hbase
  3. jdo




1. Unable to fetch object by id in JDOQL    stackoverflow.com

I am pretty naive to hbase and JDO. I was trying to use 

Query q = pm.newQuery(MyClass.class, "id == " + taskId);
List<MyClass> taskList = (List<MyClass>)q.execute();
But to my disappointment the list I ...

2. concurrent RejectedExecutionException in DataNucleus JDO on HBase while performing two actions    stackoverflow.com

I am facing a very weird situation. I am trying to delete an entry in the table and add another row. Both the actions are performed in the same thread. Whatever ...

3. Not able to connect to remote Hbase    stackoverflow.com

i have a Hbase installation in distributed mode. The database is working fine and I am able to connect to the database if my webapp(spring + datanucleus JDO) is deployed on ...

4. Datanucleus exception adding new column to hbase table    stackoverflow.com

I am using DataNucleus with HBase. I had a table user. It contained 4 rows. Now I added a new column to the table. Now everytime I ...

5. DataNucleus throws exception in modifying more than one object in a thread    stackoverflow.com

I am facing a problem in modifying an object in a loop in the same thread and the modification seems to work fine if the modification is done in different threads. Here ...