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} -- This message was sent by Atlassian JIRA (v7.6.3#76005)