Which 0.98 release did you upgrade to ? Can you pastebin the whole stack trace ?
Thanks > On Jan 19, 2015, at 1:25 PM, Calvin Lei <[email protected]> wrote: > > Dear all, > I recently upgrade to HBase 0.0.98 and I have started seeing the error > "Connection is null or closed" when calling HConnection.getTable(). > As recommended by the documentation, I create a HConnection using > HConnectionManager.createConnection(config) and at app start and close the > connection at app shut down. Looks like the state of the cluster has > changed during the lifetime of the app and the HConnection closes out all > connections. > Do i have to check isClosed() before I call getTable()?
