-
Bug
-
Resolution: Fixed
-
P3
-
8u20
-
b37
-
x86_64
-
linux
-
Verified
Issue | Fix Version | Assignee | Priority | Status | Resolution | Resolved In Build |
---|---|---|---|---|---|---|
JDK-8085429 | emb-9 | Vicente Arturo Romero Zaldivar | P3 | Resolved | Fixed | team |
JDK-8065516 | 8u45 | Vicente Arturo Romero Zaldivar | P3 | Resolved | Fixed | b01 |
JDK-8058512 | 8u40 | Vicente Arturo Romero Zaldivar | P3 | Resolved | Fixed | b15 |
JDK-8070283 | emb-8u47 | Vicente Arturo Romero Zaldivar | P3 | Resolved | Fixed | team |
java version "1.8.0_20"
Java(TM) SE Runtime Environment (build 1.8.0_20-b26)
Java HotSpot(TM) 64-Bit Server VM (build 25.20-b23, mixed mode)
ADDITIONAL OS VERSION INFORMATION :
Linux version 3.13.0-35-generic (buildd@panlong) (gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) ) #62-Ubuntu SMP Fri Aug 15 01:58:42 UTC 2014
A DESCRIPTION OF THE PROBLEM :
The java compiler generates a NPE when trying to compile the given source.
ERROR MESSAGES/STACK TRACES THAT OCCUR :
$ javac Bug.java
An exception has occurred in the compiler (1.8.0_20). 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.intersect(Types.java:3381)
at com.sun.tools.javac.code.Types.lub(Types.java:3600)
at com.sun.tools.javac.code.Types.lub(Types.java:3520)
at com.sun.tools.javac.comp.Infer.getParameterizedSupers(Infer.java:624)
at com.sun.tools.javac.comp.Infer.access$200(Infer.java:64)
at com.sun.tools.javac.comp.Infer$IncorporationStep$7.apply(Infer.java:785)
at com.sun.tools.javac.comp.Infer.checkWithinBounds(Infer.java:551)
at com.sun.tools.javac.comp.Infer$GraphSolver.solve(Infer.java:1576)
at com.sun.tools.javac.comp.Infer$InferenceContext.solve(Infer.java:2198)
at com.sun.tools.javac.comp.Infer$InferenceContext.solve(Infer.java:2190)
at com.sun.tools.javac.comp.Infer$InferenceContext.solve(Infer.java:2205)
at com.sun.tools.javac.comp.Infer.instantiateMethod(Infer.java:186)
at com.sun.tools.javac.comp.Resolve.rawInstantiate(Resolve.java:564)
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.findFun(Resolve.java:1822)
at com.sun.tools.javac.comp.Resolve$8.doLookup(Resolve.java:2383)
at com.sun.tools.javac.comp.Resolve$BasicLookupHelper.lookup(Resolve.java:3074)
at com.sun.tools.javac.comp.Resolve.lookupMethod(Resolve.java:3325)
at com.sun.tools.javac.comp.Resolve.lookupMethod(Resolve.java:3310)
at com.sun.tools.javac.comp.Resolve.resolveMethod(Resolve.java:2379)
at com.sun.tools.javac.comp.Attr.visitIdent(Attr.java:3170)
at com.sun.tools.javac.tree.JCTree$JCIdent.accept(JCTree.java:2011)
at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:607)
at com.sun.tools.javac.comp.Attr.visitApply(Attr.java:1843)
at com.sun.tools.javac.tree.JCTree$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)
REPRODUCIBILITY :
This bug can be reproduced always.
---------- BEGIN SOURCE ----------
public class Bug {
public <T> void foo(java.util.Comparator<? super T> comparator) {
}
public <C extends Comparable<? super C>> void foo() {
foo(C::compareTo);
}
}
---------- END SOURCE ----------
- backported by
-
JDK-8058512 Method reference with generic type creates NPE when compiling
-
- Resolved
-
-
JDK-8065516 Method reference with generic type creates NPE when compiling
-
- Resolved
-
-
JDK-8070283 Method reference with generic type creates NPE when compiling
-
- Resolved
-
-
JDK-8085429 Method reference with generic type creates NPE when compiling
-
- Resolved
-
- duplicates
-
JDK-8068656 An exception has occurred in the compiler
-
- Closed
-
-
JDK-8073221 NullPointerException during compilation
-
- Closed
-
- relates to
-
JDK-7034922 4.9: Clarify membership of intersection types for wildcard parameterizations
-
- Open
-