[ https://issues.apache.org/jira/browse/CASSANDRA-9077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jeff Jirsa updated CASSANDRA-9077: ---------------------------------- Attachment: cassandra-9077-option1.txt > NPE > --- > > Key: CASSANDRA-9077 > URL: https://issues.apache.org/jira/browse/CASSANDRA-9077 > Project: Cassandra > Issue Type: Bug > Components: Core > Reporter: dan jatnieks > Priority: Minor > Attachments: 9077-stacktrace.log, cassandra-9077-option1.txt, > cassandra-9077-option2.txt > > > I am seeing an NPE on the latest 2.1 branch with this sequence of deletes > from a list - first delete the entire list, then attempt to delete one > element. > I expected to see {{List index 0 out of bound, list has size 0}} but instead > got an NPE. > {noformat} > ./bin/cqlsh > Connected to Test Cluster at 127.0.0.1:9042. > [cqlsh 5.0.1 | Cassandra 2.1.3-SNAPSHOT | CQL spec 3.2.0 | Native protocol v3] > Use HELP for help. > cqlsh> use frozen_collections ; > cqlsh:frozen_collections> DROP TABLE IF EXISTS t; > cqlsh:frozen_collections> CREATE TABLE t (id text PRIMARY KEY, l list<text>, > s set<text>); > cqlsh:frozen_collections> INSERT INTO t (id, l, s) VALUES ('user', ['1'], > {'1'}); > cqlsh:frozen_collections> > cqlsh:frozen_collections> DELETE l FROM t WHERE id ='user'; > cqlsh:frozen_collections> //INSERT INTO t (id, l) VALUES ('user', ['1']); > cqlsh:frozen_collections> DELETE l[0] FROM t WHERE id = 'user'; > ServerError: <ErrorMessage code=0000 [Server error] > message="java.lang.NullPointerException"> > cqlsh:frozen_collections> > cqlsh:frozen_collections> DELETE s FROM t WHERE id ='user'; > cqlsh:frozen_collections> DELETE s['1'] FROM t WHERE id = 'user'; > {noformat} > It appears the {{DELETE emails...}} directly followed by {{DELETE > emails[0]...}} is the offending sequence. Either one alone works fine, as > does adding an intervening insert/update. > The same sequence performed on a Set rather than List works (as shown above). -- This message was sent by Atlassian JIRA (v6.3.4#6332)