Neda, You have discovered a nasty bug in the controller. I was able to reproduce it in a test using the minicluster and I working to resolve the bug. Thanks for info!
Aaron On Fri, Apr 11, 2014 at 5:29 PM, Aaron McCurry <[email protected]> wrote: > Neda, > > I'm sorry, I just realized that I pointed you to that version in you last > email. So you are likely on 0.2.2. > > I see that a NPE can occur on line 1083 on the controller. > > > https://git-wip-us.apache.org/repos/asf?p=incubator-blur.git;a=blob;f=blur-core/src/main/java/org/apache/blur/thrift/BlurControllerServer.java;h=06f5ea3575c0b5797ff78ea65add62717edbd034;hb=b5eb4795d18d80c58fe25e863564548063b16921#l1074 > > I will take a look at this and try to recreate the problem. I bet that > it's a race problem after dropping and then creating a new table. If you > put a sleep for a few seconds after creating the table does it still occur? > > Thanks for the information on the bug. Sorry for the earlier response, I > should have looked at the stack trace more closely. > > Aaron > > > > On Fri, Apr 11, 2014 at 12:34 PM, Aaron McCurry <[email protected]>wrote: > >> What version are you running? If it's the 0.2.0 release then it has a >> series of know bugs related to table name reuse. Truncate is basically >> dropping a table by it's name and recreating it. The bugs are related to a >> table name being reused. I would suggest that you run 0.2.2 which has not >> been released yet. It is code complete and has the the fixes for this >> problem. >> >> I would suggest that you run code from the apache-blur-0.2 branch. The >> version will be 0.2.2 when released. >> >> To check it out and compile yourself: >> >> git clone https://git-wip-us.apache.org/repos/asf/incubator-blur.git >> git checkout apache-blur-0.2 >> mvn install -DskipTests -Dhadoop1 >> >> You could also grab the latest build binaries from Jenkins Apache CI >> server: >> >> https://builds.apache.org/job/Blur-master-jdk6/ >> >> Download links: >> >> >> https://builds.apache.org/job/Blur-master-jdk6/216/org.apache.blur$apache-blur/ >> >> Let us know if you have any other questions or issues. >> >> Aaron >> >> >> On Fri, Apr 11, 2014 at 11:28 AM, Neda Grbic <[email protected]>wrote: >> >>> Hi! >>> >>> I've been trying to truncate table from my code. >>> I did succeed in that, but if I try to add some data to it afterwards, I >>> get NullPointerException at >>> >>> stackTraceStr:java.lang.NullPointerException >>> at org.apache.blur.thrift.BlurControllerServer.mutate( >>> BlurControllerServer.java:1083) >>> at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source) >>> at sun.reflect.DelegatingMethodAccessorImpl.invoke( >>> DelegatingMethodAccessorImpl.java:43) >>> at java.lang.reflect.Method.invoke(Method.java:606) >>> >>> While truncating table, I tried fetching its descriptor before and using >>> it afterwards when recreating, but same error. >>> As far as I've seen, only restarting shard server helped. I'm using only >>> one shard server when testing. >>> >>> Any ideas? >>> >>> Thanks, >>> Neda >>> >> >> >
