Hi J-D: I wrote a patch for this (also attached) and wanted to get your thoughts before submitting it.
Please see attached. Thanks, --Suraj On Tue, Mar 9, 2010 at 10:27 AM, Jean-Daniel Cryans <jdcry...@apache.org>wrote: > Totally agree, I created https://issues.apache.org/jira/browse/HBASE-2305 > > J-D > > On Tue, Mar 9, 2010 at 8:13 AM, Doug Meil <doug.m...@explorysmedical.com> > wrote: > > Hi Jeff- > > > > Thanks for responding. I agree that "hard-coding" is certainly not a > good idea, but the intent of the post was to illustrate *which* minimal > parameters were getting used to establish a remote connection (i.e., not > necessarily *where*). > > > > One of the other points of this observation was a request for the > defaulting of a zookeeper client port value which appears to be required > either supplied via XML or in code. Personally, I'd like less wherever is > reasonable. > > > >> FYI... If the last parameter isn't set you'll get the following > error.... > >> could this be defaulted to a reasonable value? > > > > > > > > > > -----Original Message----- > > From: Jeff Zhang [mailto:zjf...@gmail.com] > > Sent: Tuesday, March 09, 2010 10:17 AM > > To: hbase-u...@hadoop.apache.org > > Subject: Re: HBase remote client configuration experience > > > > Hi Doug, > > > > In my opinion, when using HBase Java API, you should put hbase-site.xml > in > > classpath. Set the parameter in hase-site.xml. Hard coding the parameters > is > > not a good idea. > > > > > > > > On Tue, Mar 9, 2010 at 7:09 AM, Doug Meil <doug.m...@explorysmedical.com > >wrote: > > > >> Greetings- > >> > >> The question of HBase client remote configuration (i.e., the client is > not > >> running on the same machine as the HBase master) comes up periodically > on > >> these dist-lists and a common theme is a lack of documentation on > exactly > >> what it takes to configure a remote client connection. > >> > >> After some trial and error, this seems to be the absolute minimum number > of > >> parameters required for connecting to a remote HBase instance (tested > with > >> HBase 0.20.3). > >> > >> HBaseConfiguration config = new HBaseConfiguration(); > >> config.clear(); > >> config.set("hbase.zookeeper.quorum", "server"); > >> config.set("hbase.zookeeper.property.clientPort","2181"); > >> > >> This is consistent with other references to the importance of > >> "hbase.zookeeper.quorum" except that we did this testing with the intent > of > >> connecting using only parameters set in code to eliminate any classpath > >> issues with XML files. > >> > >> FYI... If the last parameter isn't set you'll get the following > error.... > >> could this be defaulted to a reasonable value? > >> > >> > >> 10/03/09 10:04:55 ERROR zookeeper.ZooKeeperWrapper: no clientPort found > in > >> zoo.cfg > >> Exception in thread "main" java.io.IOException: Could not read quorum > >> servers from zoo.cfg > >> at > >> > org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.<init>(ZooKeeperWrapper.java:85) > >> at > >> > org.apache.hadoop.hbase.client.HConnectionManager$ClientZKWatcher.getZooKeeperWrapper(HConnectionManager.java:223) > >> at > >> > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getZooKeeperWrapper(HConnectionManager.java:932) > >> at > >> > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRootRegion(HConnectionManager.java:948) > >> at > >> > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.locateRegion(HConnectionManager.java:625) > >> > >> > >> Doug Meil > >> Director of Engineering > >> doug.m...@explorys.net > >> > >> > > > > > > -- > > Best Regards > > > > Jeff Zhang > > >
