[LENS-439] NPE while parallel Estimate are running

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.1
• Fix Version/s: 2.1
• Component/s: cube
• Assignee: Amareshwari Sriramadasu
• Reporter: Arshad Matin
• Created: 25/Mar/15 06:44
• Updated: 22/Apr/15 07:41
• Resolved: 25/Mar/15 07:19

Description

25 Mar 2015 06:32:42,461 [estimate-4] WARN  org.apache.lens.driver.cube.RewriteUtil  - Driver : org.apache.lens.driver.jdbc.JDBCDriver@146ef636 Skipped for the query rewriting due to
java.lang.NullPointerException
        at org.apache.lens.cube.metadata.CubeMetastoreClient.isCube(CubeMetastoreClient.java:1209)
        at org.apache.lens.cube.metadata.CubeMetastoreClient.isCube(CubeMetastoreClient.java:1177)
        at org.apache.lens.cube.parse.CubeQueryContext.addQueriedTable(CubeQueryContext.java:283)
        at org.apache.lens.cube.parse.CubeQueryContext.addQueriedTable(CubeQueryContext.java:255)
        at org.apache.lens.cube.parse.CubeQueryContext.addQueriedTable(CubeQueryContext.java:247)
        at org.apache.lens.cube.parse.CubeQueryContext.extractMetaTables(CubeQueryContext.java:192)
        at org.apache.lens.cube.parse.CubeQueryContext.<init>(CubeQueryContext.java:177)
        at org.apache.lens.cube.parse.CubeSemanticAnalyzer.analyzeInternal(CubeSemanticAnalyzer.java:76)
        at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:327)
        at org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:169)
        at org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:182)
        at org.apache.lens.driver.cube.RewriteUtil$DriverRewriterRunnable.run(RewriteUtil.java:294)
        at org.apache.lens.server.query.QueryExecutionServiceImpl$RewriteEstimateRunnable.run(QueryExecutionServiceImpl.java:1126)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:701)
25 Mar 2015 06:32:42,461 [estimate-4] ERROR org.apache.lens.server.query.QueryExecutionServiceImpl  - Estimate skipped since rewrite failed for driver org.apache.lens.driver.jdbc.JDBCDriver@146ef636 cause:  Driver :org.apache.lens.driver.jdbc.JDBCDriver Cause :null