JDK-8071432 : compiler bug
  • Type: Bug
  • Component: tools
  • Sub-Component: javac
  • Affected Version: 8u31
  • Priority: P3
  • Status: Closed
  • Resolution: Duplicate
  • OS: solaris_8
  • CPU: x86
  • Submitted: 2015-01-21
  • Updated: 2015-01-23
  • Resolved: 2015-01-23
Related Reports
Duplicate :  
JDK-8068399 - Assertion failed in javac
Description
FULL PRODUCT VERSION :
javac 1.8.0_31


ADDITIONAL OS VERSION INFORMATION :
Linux lyre 3.16.0-30-generic #40-Ubuntu SMP Mon Jan 12 22:06:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux


A DESCRIPTION OF THE PROBLEM :
Compiler bugs

REGRESSION.  Last worked in version 8u31


ERROR MESSAGES/STACK TRACES THAT OCCUR :
javac TestReduction3.java

An exception has occurred in the compiler (1.8.0_31). Please file a bug at the Java Developer Connection (http://java.sun.com/webapps/bugreport)  after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report.  Thank you.
java.lang.NullPointerException
	at com.sun.tools.javac.code.Types.isConvertible(Types.java:290)
	at com.sun.tools.javac.comp.Check.assertConvertible(Check.java:922)
	at com.sun.tools.javac.comp.Check.checkMethod(Check.java:876)
	at com.sun.tools.javac.comp.Attr.checkMethod(Attr.java:3838)
	at com.sun.tools.javac.comp.Attr.checkIdInternal(Attr.java:3615)
	at com.sun.tools.javac.comp.Attr.checkMethodIdInternal(Attr.java:3522)
	at com.sun.tools.javac.comp.Attr.checkMethodId(Attr.java:3501)
	at com.sun.tools.javac.comp.Attr.checkId(Attr.java:3488)
	at com.sun.tools.javac.comp.Attr.visitSelect(Attr.java:3370)
	at com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:1897)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:607)
	at com.sun.tools.javac.comp.Attr.visitApply(Attr.java:1843)
	at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1465)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:607)
	at com.sun.tools.javac.comp.DeferredAttr.attribSpeculative(DeferredAttr.java:386)
	at com.sun.tools.javac.comp.DeferredAttr$2.complete(DeferredAttr.java:279)
	at com.sun.tools.javac.comp.DeferredAttr$DeferredType.check(DeferredAttr.java:245)
	at com.sun.tools.javac.comp.DeferredAttr$DeferredType.check(DeferredAttr.java:232)
	at com.sun.tools.javac.comp.Resolve$MethodResultInfo.check(Resolve.java:993)
	at com.sun.tools.javac.comp.Resolve$4.checkArg(Resolve.java:826)
	at com.sun.tools.javac.comp.Resolve$AbstractMethodCheck.argumentsAcceptable(Resolve.java:731)
	at com.sun.tools.javac.comp.Resolve$4.argumentsAcceptable(Resolve.java:835)
	at com.sun.tools.javac.comp.Resolve.rawInstantiate(Resolve.java:576)
	at com.sun.tools.javac.comp.Resolve.selectBest(Resolve.java:1431)
	at com.sun.tools.javac.comp.Resolve.findMethodInScope(Resolve.java:1618)
	at com.sun.tools.javac.comp.Resolve.findMethod(Resolve.java:1689)
	at com.sun.tools.javac.comp.Resolve.findMethod(Resolve.java:1662)
	at com.sun.tools.javac.comp.Resolve$9.doLookup(Resolve.java:2415)
	at com.sun.tools.javac.comp.Resolve$BasicLookupHelper.lookup(Resolve.java:3074)
	at com.sun.tools.javac.comp.Resolve.lookupMethod(Resolve.java:3325)
	at com.sun.tools.javac.comp.Resolve.resolveQualifiedMethod(Resolve.java:2412)
	at com.sun.tools.javac.comp.Resolve.resolveQualifiedMethod(Resolve.java:2406)
	at com.sun.tools.javac.comp.Attr.selectSym(Attr.java:3395)
	at com.sun.tools.javac.comp.Attr.visitSelect(Attr.java:3281)
	at com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:1897)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:607)
	at com.sun.tools.javac.comp.Attr.visitApply(Attr.java:1843)
	at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1465)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:607)
	at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:656)
	at com.sun.tools.javac.comp.Attr.visitExec(Attr.java:1611)
	at com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1296)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:607)
	at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:676)
	at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:692)
	at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1142)
	at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:909)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:607)
	at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:676)
	at com.sun.tools.javac.comp.Attr.visitMethodDef(Attr.java:1035)
	at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:778)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:607)
	at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:676)
	at com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:4342)
	at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4252)
	at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4181)
	at com.sun.tools.javac.comp.Attr.attrib(Attr.java:4156)
	at com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1248)
	at com.sun.tools.javac.main.JavaCompiler.compile2(JavaCompiler.java:901)
	at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:860)
	at com.sun.tools.javac.main.Main.compile(Main.java:523)
	at com.sun.tools.javac.main.Main.compile(Main.java:381)
	at com.sun.tools.javac.main.Main.compile(Main.java:370)
	at com.sun.tools.javac.main.Main.compile(Main.java:361)




javac TestReduce3.java  && java Test                                 
An exception has occurred in the compiler (1.8.0_31). Please file a bug at the Java Developer Connection (http://java.sun.com/webapps/bugreport)  after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report.  Thank you.
java.lang.NullPointerException
	at com.sun.tools.javac.code.Types.isConvertible(Types.java:290)
	at com.sun.tools.javac.comp.Check.assertConvertible(Check.java:922)
	at com.sun.tools.javac.comp.Check.checkMethod(Check.java:876)
	at com.sun.tools.javac.comp.Attr.checkMethod(Attr.java:3838)
	at com.sun.tools.javac.comp.Attr.checkIdInternal(Attr.java:3615)
	at com.sun.tools.javac.comp.Attr.checkMethodIdInternal(Attr.java:3522)
	at com.sun.tools.javac.comp.Attr.checkMethodId(Attr.java:3501)
	at com.sun.tools.javac.comp.Attr.checkId(Attr.java:3488)
	at com.sun.tools.javac.comp.Attr.visitSelect(Attr.java:3370)
	at com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:1897)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:607)
	at com.sun.tools.javac.comp.Attr.visitApply(Attr.java:1843)
	at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1465)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:607)
	at com.sun.tools.javac.comp.DeferredAttr.attribSpeculative(DeferredAttr.java:386)
	at com.sun.tools.javac.comp.DeferredAttr$2.complete(DeferredAttr.java:279)
	at com.sun.tools.javac.comp.DeferredAttr$DeferredType.check(DeferredAttr.java:245)
	at com.sun.tools.javac.comp.DeferredAttr$DeferredType.check(DeferredAttr.java:232)
	at com.sun.tools.javac.comp.Resolve$MethodResultInfo.check(Resolve.java:993)
	at com.sun.tools.javac.comp.Resolve$4.checkArg(Resolve.java:826)
	at com.sun.tools.javac.comp.Resolve$AbstractMethodCheck.argumentsAcceptable(Resolve.java:731)
	at com.sun.tools.javac.comp.Resolve$4.argumentsAcceptable(Resolve.java:835)
	at com.sun.tools.javac.comp.Resolve.rawInstantiate(Resolve.java:576)
	at com.sun.tools.javac.comp.Resolve.selectBest(Resolve.java:1431)
	at com.sun.tools.javac.comp.Resolve.findMethodInScope(Resolve.java:1618)
	at com.sun.tools.javac.comp.Resolve.findMethod(Resolve.java:1689)
	at com.sun.tools.javac.comp.Resolve.findMethod(Resolve.java:1662)
	at com.sun.tools.javac.comp.Resolve$9.doLookup(Resolve.java:2415)
	at com.sun.tools.javac.comp.Resolve$BasicLookupHelper.lookup(Resolve.java:3074)
	at com.sun.tools.javac.comp.Resolve.lookupMethod(Resolve.java:3325)
	at com.sun.tools.javac.comp.Resolve.resolveQualifiedMethod(Resolve.java:2412)
	at com.sun.tools.javac.comp.Resolve.resolveQualifiedMethod(Resolve.java:2406)
	at com.sun.tools.javac.comp.Attr.selectSym(Attr.java:3395)
	at com.sun.tools.javac.comp.Attr.visitSelect(Attr.java:3281)
	at com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:1897)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:607)
	at com.sun.tools.javac.comp.Attr.visitApply(Attr.java:1843)
	at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1465)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:607)
	at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:656)
	at com.sun.tools.javac.comp.Attr.visitExec(Attr.java:1611)
	at com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1296)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:607)
	at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:676)
	at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:692)
	at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1142)
	at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:909)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:607)
	at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:676)
	at com.sun.tools.javac.comp.Attr.visitMethodDef(Attr.java:1035)
	at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:778)
	at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:607)
	at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:676)
	at com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:4342)
	at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4252)
	at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4181)
	at com.sun.tools.javac.comp.Attr.attrib(Attr.java:4156)
	at com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1248)
	at com.sun.tools.javac.main.JavaCompiler.compile2(JavaCompiler.java:901)
	at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:860)
	at com.sun.tools.javac.main.Main.compile(Main.java:523)
	at com.sun.tools.javac.main.Main.compile(Main.java:381)
	at com.sun.tools.javac.main.Main.compile(Main.java:370)
	at com.sun.tools.javac.main.Main.compile(Main.java:361)
	at com.sun.tools.javac.Main.compile(Main.java:56)
	at com.sun.tools.javac.Main.main(Main.java:42)


	at com.sun.tools.javac.Main.compile(Main.java:56)
	at com.sun.tools.javac.Main.main(Main.java:42)


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import java.util.stream.*;
import java.util.*;

class Point {
    private double x, y;

    public Point (double x, double y) {
	this.x = x;
	this.y = y;
    }

    public double getX() { return x; }
    public double getY() { return y; }

    public double distance(Point p) {
	return Math.sqrt((this.x - p.x) * (this.x - p.x) + (this.y - p.y) * (this.y - p.y));
    }

    public double distance() {
	return Math.sqrt(this.x * this.x + this.y * this.y);
    }

    public String toString()  {
	return "(" + x + ":"+ y + ")";
    }
}

class Test {

    public static void main(String [] args) {
	Collection<Point> c = Arrays.asList(new Point(1.0, 0.1));

	System.out.println("------- 1 ---------------");
	System.out.println(c.stream()
			   .reduce(0.0, (s, p) -> s+=p.distance(),  (d1, d2) -> 0));
    }
}

---------- END SOURCE ----------
Comments
Will include the test case from here for the regression test for \ https://bugs.openjdk.java.net/browse/JDK-8068399
23-01-2015
Checked this with JDK 8u31 and 8u25 and could reproduce the NPE. With JDK 8u40 and 9 ea could see java.lang.AssertionError. Could be a duplicate of jdk-8068399.
23-01-2015