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https://issues.apache.org/jira/browse/CALCITE-821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14646665#comment-14646665
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Julian Hyde commented on CALCITE-821:
-------------------------------------
Testing a fix now.
> Frameworks gives NPE when FrameworkConfig has no default schema
> ---------------------------------------------------------------
>
> Key: CALCITE-821
> URL: https://issues.apache.org/jira/browse/CALCITE-821
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Jesus Camacho Rodriguez
> Assignee: Julian Hyde
>
> During testing of 1.4-SNAPSHOT on Hive, we hit the Exception with the
> following stacktrace in all our tests:
> {noformat}
> java.lang.NullPointerException
> at org.apache.calcite.jdbc.CalciteSchema.from(CalciteSchema.java:316)
> at org.apache.calcite.tools.Frameworks$1.apply(Frameworks.java:109)
> at
> org.apache.calcite.prepare.CalcitePrepareImpl.perform(CalcitePrepareImpl.java:880)
> at
> org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:147)
> at
> org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:105)
> at
> org.apache.hadoop.hive.ql.parse.CalcitePlanner.getOptimizedAST(CalcitePlanner.java:614)
> at
> org.apache.hadoop.hive.ql.parse.CalcitePlanner.genOPTree(CalcitePlanner.java:249)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:10130)
> at
> org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:209)
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:240)
> ...
> {noformat}
> The problem is that the FrameworkConfig defaultSchema is null. Thus, a NPE is
> thrown after hitting this piece of code in Frameworks:
> {code}
> final CalciteSchema schema =
> CalciteSchema.from(config.getDefaultSchema());
> {code}
> The apply method was changed in CALCITE-748.
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