Please provide the the most minimal input (test.txt) required to reproduce the error.
On Wed, May 4, 2016 at 8:28 AM, <lics...@sina.com> wrote: > The following code and data will raise an exception.However, if I remove > any of the four "store"s, the code will be fine.test.pigr = load 'test.txt' > as (id: chararray, val: long); > > t1 = filter r by val >= 12 and val < 20; > grpd = group t1 by val; > t1_cnt = foreach grpd generate group as name, COUNT(t1) as value; > t1_cnt = foreach t1_cnt generate (chararray)name, value; > grpd = group t1 all; > t1_cnt_total = foreach grpd generate 't1' as name, COUNT(t1) as value; > > t2 = filter r by val >= 20 and val < 30; > grpd = group t2 by val; > t2_cnt = foreach grpd generate group as name, COUNT(t2) as value; > --t2_cnt = foreach t2_cnt generate (chararray)name, value; > grpd = group t2 all; > t2_cnt_total = foreach grpd generate 't2' as name, COUNT(t2) as value; > > store t1_cnt into 'outx/3'; > store t2_cnt into 'outx/4'; > store t1_cnt_total into 'outx/5'; > store t2_cnt_total into 'outx/6'; > andtest.txtc 12 > will cause error: > Caused by: java.lang.ClassCastException: org.apache.pig.data.BinSedesTuple > cannot be cast to java.lang.Long > at > org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNextString(POCast.java:1167) > at > org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.getNext(PhysicalOperator.java:343) > ... 14 more > I don't know why the code need to cast a BinSedesTuple to Long.The same > exception will be caused if I union the four results.jira link: > https://issues.apache.org/jira/browse/PIG-4883
