[ https://issues.apache.org/jira/browse/CASSANDRA-11525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pavel Yaskevich updated CASSANDRA-11525: ---------------------------------------- Resolution: Fixed Status: Resolved (was: Patch Available) Committed. > StaticTokenTreeBuilder should respect posibility of duplicate tokens > -------------------------------------------------------------------- > > Key: CASSANDRA-11525 > URL: https://issues.apache.org/jira/browse/CASSANDRA-11525 > Project: Cassandra > Issue Type: Bug > Components: sasi > Environment: Cassandra 3.5-SNAPSHOT > Reporter: DOAN DuyHai > Assignee: Jordan West > Fix For: 3.5 > > > Bug reproduced in *Cassandra 3.5-SNAPSHOT* (after the fix of OOM) > {noformat} > create table if not exists test.resource_bench ( > dsr_id uuid, > rel_seq bigint, > seq bigint, > dsp_code varchar, > model_code varchar, > media_code varchar, > transfer_code varchar, > commercial_offer_code varchar, > territory_code varchar, > period_end_month_int int, > authorized_societies_txt text, > rel_type text, > status text, > dsp_release_code text, > title text, > contributors_name list<text>, > unic_work text, > paying_net_qty bigint, > PRIMARY KEY ((dsr_id, rel_seq), seq) > ) WITH CLUSTERING ORDER BY (seq ASC); > CREATE CUSTOM INDEX resource_period_end_month_int_idx ON test.resource_bench > (period_end_month_int) USING 'org.apache.cassandra.index.sasi.SASIIndex' WITH > OPTIONS = {'mode': 'PREFIX'}; > {noformat} > So the index is a {{DENSE}} numerical index. > When doing the request {{SELECT dsp_code, unic_work, paying_net_qty FROM > test.resource_bench WHERE period_end_month_int = 201401}} using server-side > paging. > I bumped into this stack trace: > {noformat} > WARN [SharedPool-Worker-1] 2016-04-06 00:00:30,825 > AbstractLocalAwareExecutorService.java:169 - Uncaught exception on thread > Thread[SharedPool-Worker-1,5,main]: {} > java.lang.ArrayIndexOutOfBoundsException: -55 > at > org.apache.cassandra.db.ClusteringPrefix$Serializer.deserialize(ClusteringPrefix.java:268) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.db.Serializers$2.deserialize(Serializers.java:128) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.db.Serializers$2.deserialize(Serializers.java:120) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.io.sstable.IndexHelper$IndexInfo$Serializer.deserialize(IndexHelper.java:148) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.db.RowIndexEntry$Serializer.deserialize(RowIndexEntry.java:218) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.io.sstable.format.SSTableReader.keyAt(SSTableReader.java:1823) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.index.sasi.SSTableIndex$DecoratedKeyFetcher.apply(SSTableIndex.java:168) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.index.sasi.SSTableIndex$DecoratedKeyFetcher.apply(SSTableIndex.java:155) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.index.sasi.disk.TokenTree$KeyIterator.computeNext(TokenTree.java:518) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.index.sasi.disk.TokenTree$KeyIterator.computeNext(TokenTree.java:504) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.index.sasi.utils.AbstractIterator.tryToComputeNext(AbstractIterator.java:116) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.index.sasi.utils.AbstractIterator.hasNext(AbstractIterator.java:110) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.utils.MergeIterator$Candidate.advance(MergeIterator.java:374) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.utils.MergeIterator$ManyToOne.advance(MergeIterator.java:186) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:155) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.index.sasi.plan.QueryPlan$ResultIterator.computeNext(QueryPlan.java:106) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.index.sasi.plan.QueryPlan$ResultIterator.computeNext(QueryPlan.java:71) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.db.transform.BasePartitions.hasNext(BasePartitions.java:72) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > at > org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$Serializer.serialize(UnfilteredPartitionIterators.java:289) > ~[apache-cassandra-3.5-SNAPSHOT.jar:3.5-SNAPSHOT] > {noformat} > There are 2 possible root cause: > 1. Index corrupted > 2. Raw SSTable is corrupted > To rule out *scenario 1*, I just drop and rebuild the index *many times* but > the exception was still there, so I modified the method > {{SSTableReader.keyAt(long indexPosition)}} to log the impacted partition: > {noformat} > try > { > if (isKeyCacheSetup()) > cacheKey(key, rowIndexEntrySerializer.deserialize(in)); > } catch (IndexOutOfBoundsException ex) > { > logger.error(String.format( > "Error when reading index entry for token '%s' at > indexPosition %s ", > key.getToken().getTokenValue(), indexPosition)); > } > {noformat} > Below are the output in the log after code modification: > {noformat} > system_ns3038406.ip-5-39-72.eu.log:ERROR [SharedPool-Worker-1] 2016-04-07 > 17:08:28,843 SSTableReader.java:1830 - Error when reading index entry for > token '-7005474773654630139' at indexPosition 2147457128 > system_ns3038406.ip-5-39-72.eu.log:ERROR [SharedPool-Worker-1] 2016-04-07 > 17:08:28,917 SSTableReader.java:1830 - Error when reading index entry for > token '-5016711186446865616' at indexPosition 2147458268 > system_ns3038406.ip-5-39-72.eu.log:ERROR [SharedPool-Worker-1] 2016-04-07 > 17:08:28,918 SSTableReader.java:1830 - Error when reading index entry for > token '1027994831942941747' at indexPosition 2147459218 > {noformat} > I double check the original C* data using {{cqlsh}} but it seems that there > is no data for those tokens: > {noformat} > SELECT dsr_id,rel_seq FROM resource_bench WHERE > token(dsr_id,rel_seq)=-7005474773654630139; > dsr_id | rel_seq > --------+--------- > (0 rows) > SELECT dsr_id,rel_seq FROM resource_bench WHERE > token(dsr_id,rel_seq)=-5016711186446865616; > dsr_id | rel_seq > --------+--------- > (0 rows) > SELECT dsr_id,rel_seq FROM resource_bench WHERE > token(dsr_id,rel_seq)=1027994831942941747; > dsr_id | rel_seq > --------+--------- > (0 rows) > {noformat} > /cc [~xedin] [~beobal] -- This message was sent by Atlassian JIRA (v6.3.4#6332)