JDK-8006140 : Javac NPE compiling Lambda expression on initialization expression of static field in interface
- Type: Bug
- Component: tools
- Sub-Component: javac
- Affected Version: 8,8-repo-lambda
- Priority: P3
- Status: Closed
- Resolution: Fixed
- Submitted: 2013-01-12
- Updated: 2013-06-06
- Resolved: 2013-05-14
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Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
To download the current JDK release, click here.
| JDK 8 |
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8 b91Fixed  |
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Description
Javac thows an exception compiling a lambda expression.
Source code of a test example is attached, the interesting part is:
public static final Comparator<ChronoLocalDate1> DATE_COMPARATOR3 =
( date1, date2) -> 0;
java.lang.NullPointerException
at com.sun.tools.javac.jvm.Code.emitop0(Code.java:538)
at com.sun.tools.javac.jvm.Items$SelfItem.load(Items.java:367)
at com.sun.tools.javac.jvm.Gen.genArgs(Gen.java:912)
at com.sun.tools.javac.jvm.Gen.visitApply(Gen.java:1746)
at com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1391)
at com.sun.tools.javac.jvm.Gen.genExpr(Gen.java:893)
at com.sun.tools.javac.jvm.Gen.visitAssign(Gen.java:1844)
at com.sun.tools.javac.tree.JCTree$JCAssign.accept(JCTree.java:1586)
at com.sun.tools.javac.jvm.Gen.genExpr(Gen.java:893)
at com.sun.tools.javac.jvm.Gen.visitExec(Gen.java:1694)
at com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1222)
at com.sun.tools.javac.jvm.Gen.genDef(Gen.java:683)
at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:718)
at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:704)
at com.sun.tools.javac.jvm.Gen.genStats(Gen.java:755)
at com.sun.tools.javac.jvm.Gen.visitBlock(Gen.java:1090)
at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:835)
at com.sun.tools.javac.jvm.Gen.genDef(Gen.java:683)
at com.sun.tools.javac.jvm.Gen.genStat(Gen.java:718)
at com.sun.tools.javac.jvm.Gen.genMethod(Gen.java:968)
at com.sun.tools.javac.jvm.Gen.visitMethodDef(Gen.java:941)
at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:723)
at com.sun.tools.javac.jvm.Gen.genDef(Gen.java:683)
at com.sun.tools.javac.jvm.Gen.genClass(Gen.java:2310)
at com.sun.tools.javac.main.JavaCompiler.genCode(JavaCompiler.java:751)
at com.sun.tools.javac.main.JavaCompiler.generate(JavaCompiler.java:1545)
at com.sun.tools.javac.main.JavaCompiler.generate(JavaCompiler.java:1509)
at com.sun.tools.javac.main.JavaCompiler.compile2(JavaCompiler.java:907)
at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:866)
at com.sun.tools.javac.main.Main.compile(Main.java:506)
at com.sun.tools.javac.main.Main.compile(Main.java:365)
at com.sun.tools.javac.main.Main.compile(Main.java:354)
at com.sun.tools.javac.main.Main.compile(Main.java:345)
at com.sun.tools.javac.Main.compile(Main.java:76)
at com.sun.tools.javac.Main.main(Main.java:61)
The source compiles fine without the lambda expression.
It occurs in b67 and b72 of the JDK 8 EA builds and in recent private builds.
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