[jira] [Created] (HBASE-21180) findbugs incurs DataflowAnalysisException for hbase-server module

["Ted Yu (JIRA)" <ji...@apache.org>]

Ted Yu created HBASE-21180:
------------------------------

             Summary: findbugs incurs DataflowAnalysisException for hbase-server module
                 Key: HBASE-21180
                 URL: https://issues.apache.org/jira/browse/HBASE-21180
             Project: HBase
          Issue Type: Task
            Reporter: Ted Yu


Running findbugs, I noticed the following in hbase-server module:
{code}
[INFO] --- findbugs-maven-plugin:3.0.4:findbugs (default-cli) @ hbase-server ---
[INFO] Fork Value is true
     [java] The following errors occurred during analysis:
     [java]   Error generating derefs for org.apache.hadoop.hbase.generated.master.table_jsp._jspService(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V
     [java]     edu.umd.cs.findbugs.ba.DataflowAnalysisException: can't get position -1 of stack
     [java]       At edu.umd.cs.findbugs.ba.Frame.getStackValue(Frame.java:250)
     [java]       At edu.umd.cs.findbugs.ba.Hierarchy.resolveMethodCallTargets(Hierarchy.java:743)
     [java]       At edu.umd.cs.findbugs.ba.npe.DerefFinder.getAnalysis(DerefFinder.java:141)
     [java]       At edu.umd.cs.findbugs.classfile.engine.bcel.UsagesRequiringNonNullValuesFactory.analyze(UsagesRequiringNonNullValuesFactory.java:50)
     [java]       At edu.umd.cs.findbugs.classfile.engine.bcel.UsagesRequiringNonNullValuesFactory.analyze(UsagesRequiringNonNullValuesFactory.java:31)
     [java]       At edu.umd.cs.findbugs.classfile.impl.AnalysisCache.analyzeMethod(AnalysisCache.java:369)
     [java]       At edu.umd.cs.findbugs.classfile.impl.AnalysisCache.getMethodAnalysis(AnalysisCache.java:322)
     [java]       At edu.umd.cs.findbugs.ba.ClassContext.getMethodAnalysis(ClassContext.java:1005)
     [java]       At edu.umd.cs.findbugs.ba.ClassContext.getUsagesRequiringNonNullValues(ClassContext.java:325)
     [java]       At edu.umd.cs.findbugs.detect.FindNullDeref.foundGuaranteedNullDeref(FindNullDeref.java:1510)
     [java]       At edu.umd.cs.findbugs.ba.npe.NullDerefAndRedundantComparisonFinder.reportBugs(NullDerefAndRedundantComparisonFinder.java:361)
     [java]       At edu.umd.cs.findbugs.ba.npe.NullDerefAndRedundantComparisonFinder.examineNullValues(NullDerefAndRedundantComparisonFinder.java:266)
     [java]       At edu.umd.cs.findbugs.ba.npe.NullDerefAndRedundantComparisonFinder.execute(NullDerefAndRedundantComparisonFinder.java:164)
     [java]       At edu.umd.cs.findbugs.detect.FindNullDeref.analyzeMethod(FindNullDeref.java:278)
     [java]       At edu.umd.cs.findbugs.detect.FindNullDeref.visitClassContext(FindNullDeref.java:209)
     [java]       At edu.umd.cs.findbugs.DetectorToDetector2Adapter.visitClass(DetectorToDetector2Adapter.java:76)
     [java]       At edu.umd.cs.findbugs.FindBugs2.analyzeApplication(FindBugs2.java:1089)
     [java]       At edu.umd.cs.findbugs.FindBugs2.execute(FindBugs2.java:283)
     [java]       At edu.umd.cs.findbugs.FindBugs.runMain(FindBugs.java:393)
     [java]       At edu.umd.cs.findbugs.FindBugs2.main(FindBugs2.java:1200)
     [java] The following classes needed for analysis were missing:
     [java]   accept
     [java]   apply
     [java]   run
     [java]   test
     [java]   call
     [java]   exec
     [java]   getAsInt
     [java]   applyAsLong
     [java]   storeFile
     [java]   get
     [java]   visit
     [java]   compare
{code}



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