[
https://issues.apache.org/jira/browse/DRILL-4872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15459977#comment-15459977
]
Boaz Ben-Zvi commented on DRILL-4872:
-------------------------------------
Likely related - notice the similarity: below is the stack from the current
code (for the testcase in DRILL-4026) :
Caused by: io.netty.util.IllegalReferenceCountException: refCnt: 0
at
io.netty.buffer.AbstractByteBuf.ensureAccessible(AbstractByteBuf.java:1178)
~[netty-buffer-4.0.27.Final.jar:4.0.27.Final]
at io.netty.buffer.DrillBuf.checkIndexD(DrillBuf.java:115)
~[drill-memory-base-1.8.0-SNAPSHOT.jar:4.0.27.Final]
at io.netty.buffer.DrillBuf.checkBytes(DrillBuf.java:141)
~[drill-memory-base-1.8.0-SNAPSHOT.jar:4.0.27.Final]
at
org.apache.drill.exec.expr.fn.impl.ByteFunctionHelpers.compare(ByteFunctionHelpers.java:99)
~[vector-1.8.0-SNAPSHOT.jar:1.8.0-SNAPSHOT]
at
org.apache.drill.exec.test.generated.ProjectorGen3.doEval(ProjectorTemplate.java:49)
~[na:na]
at
org.apache.drill.exec.test.generated.ProjectorGen3.projectRecords(ProjectorTemplate.java:62)
~[na:na]
at
org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.doWork(ProjectRecordBatch.java:199)
~[drill-java-exec-1.8.0-SNAPSHOT.jar:1.8.0-SNAPSHOT]
at
org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:93)
~[drill-java-exec-1.8.0-SNAPSHOT.jar:1.8.0-SNAPSHOT]
> NPE from CTAS partitioned by a projected casted null
> ----------------------------------------------------
>
> Key: DRILL-4872
> URL: https://issues.apache.org/jira/browse/DRILL-4872
> Project: Apache Drill
> Issue Type: Bug
> Components: Functions - Drill
> Affects Versions: 1.7.0
> Reporter: Boaz Ben-Zvi
> Labels: NPE
> Fix For: Future
>
>
> Extracted from DRILL-3898 : Running the same test case on a smaller table (
> store_sales.dat from TPCDS SF 1) has no space issues, but there is a Null
> Pointer Exception from the projection:
> Caused by: java.lang.NullPointerException: null
> at
> org.apache.drill.exec.expr.fn.impl.ByteFunctionHelpers.compare(ByteFunctionHelpers.java:100)
> ~[vector-1.8.0-SNAPSHOT.jar:1.8.0-SNAPSHOT]
> at
> org.apache.drill.exec.test.generated.ProjectorGen1.doEval(ProjectorTemplate.java:49)
> ~[na:na]
> at
> org.apache.drill.exec.test.generated.ProjectorGen1.projectRecords(ProjectorTemplate.java:62)
> ~[na:na]
> at
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.doWork(ProjectRecordBatch.java:199)
> ~[drill-java-exec-1.8.0-SNAPSHOT.jar:1.8.0-SNAPSHOT]
> A simplified version of the test case:
> 0: jdbc:drill:zk=local> create table dfs.tmp.ttt partition by ( x ) as select
> case when columns[8] = '' then cast(null as varchar(10)) else cast(columns[8]
> as varchar(10)) end as x FROM
> dfs.`/Users/boazben-zvi/data/store_sales/store_sales.dat`;
> Error: SYSTEM ERROR: NullPointerException
>
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
