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  1. JDK
  2. JDK-8198315

Incomplete classpath causes NPE in TransTypes

    Details

    • Type: Bug
    • Status: Closed
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: 10
    • Fix Version/s: 11
    • Component/s: tools
    • Subcomponent:
    • Resolved In Build:
      b15
    • Verification:
      Verified

      Backports

        Description

        === A.java
        public class A {}
        === B.java
        public class B extends A {}
        === C.java
        public class C extends D<B> {}
        === D.java
        public class D<T extends A> {
          public void f(String s) {}
        }
        === Test.java
        public class Test {
          public void test(C c) {
            c.f(null, null);
          }
        }
        ===

        $ javac A.java B.java C.java D.java
        $ rm A.class
        $ javac -fullversion -sourcepath : -implicit:none Test.java
        javac full version "10-ea+37"
        ...
        java.lang.NullPointerException
        at jdk.compiler/com.sun.tools.javac.comp.TransTypes.visitSelect(TransTypes.java:862)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:2110)
        at jdk.compiler/com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:58)
        at jdk.compiler/com.sun.tools.javac.comp.TransTypes.translate(TransTypes.java:499)
        at jdk.compiler/com.sun.tools.javac.comp.TransTypes.visitApply(TransTypes.java:672)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1634)
        at jdk.compiler/com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:58)
        at jdk.compiler/com.sun.tools.javac.comp.TransTypes.translate(TransTypes.java:499)
        at jdk.compiler/com.sun.tools.javac.comp.TransTypes.visitExec(TransTypes.java:650)
        at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1452)
        at jdk.compiler/com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:58)
        at jdk.compiler/com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:70)
        at jdk.compiler/com.sun.tools.javac.tree.TreeTranslator.visitBlock(TreeTranslator.java:167)

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                • Assignee:
                  jlahoda Jan Lahoda
                  Reporter:
                  cushon Liam Miller-Cushon
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                  • Created:
                    Updated:
                    Resolved: