# HG changeset patch # User goetz # Date 1548228322 -3600 # Node ID fd0e3299326ddef09158d43682e2e6d40c0f9980 # Parent 80b55cf3a8048585c5baf9fd78297c7e7cba9905 8217512: Message of LinkageError: use 'class' etc. instead of 'type' Reviewed-by: dholmes, lfoltan diff -r 80b55cf3a804 -r fd0e3299326d src/hotspot/share/interpreter/linkResolver.cpp --- a/src/hotspot/share/interpreter/linkResolver.cpp Tue Jan 22 18:14:14 2019 -0800 +++ b/src/hotspot/share/interpreter/linkResolver.cpp Wed Jan 23 08:25:22 2019 +0100 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -710,15 +710,16 @@ stringStream ss; const char* failed_type_name = failed_type_symbol->as_klass_external_name(); - ss.print("loader constraint violation: when resolving field" - " \"%s\" of type %s, the class loader %s of the current class, " - "%s, and the class loader %s for the field's defining " - "type, %s, have different Class objects for type %s (%s; %s)", + ss.print("loader constraint violation: when resolving field \"%s\" of type %s, " + "the class loader %s of the current class, %s, " + "and the class loader %s for the field's defining %s, %s, " + "have different Class objects for type %s (%s; %s)", field->as_C_string(), failed_type_name, current_klass->class_loader_data()->loader_name_and_id(), current_klass->external_name(), sel_klass->class_loader_data()->loader_name_and_id(), + sel_klass->external_kind(), sel_klass->external_name(), failed_type_name, current_klass->class_in_module_of_loader(false, true), diff -r 80b55cf3a804 -r fd0e3299326d test/hotspot/jtreg/runtime/LoaderConstraints/ldrCnstrFldMsg/LdrCnstrFldMsgTest.java --- a/test/hotspot/jtreg/runtime/LoaderConstraints/ldrCnstrFldMsg/LdrCnstrFldMsgTest.java Tue Jan 22 18:14:14 2019 -0800 +++ b/test/hotspot/jtreg/runtime/LoaderConstraints/ldrCnstrFldMsg/LdrCnstrFldMsgTest.java Wed Jan 23 08:25:22 2019 +0100 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -31,7 +31,7 @@ import java.lang.reflect.Method; -// Check that LinkageError loader constraint message for fields contains the +// Check that the LinkageError loader constraint message for fields contains the // correct information. // // The test creates two class loaders. The first class loader loads classes @@ -40,6 +40,20 @@ // Class Child tries to load Parent._field1. This should fail because type Foo // for Parent._field1 is a different type than Child's Foo. // +// Grand (ldr1) has field _field1 of type Foo(ldr1) +// | +// Parent (ldr2) has field _field1 of type Foo(ldr2) +// | +// Child (ldr1) +// +// java.lang.LinkageError: loader constraint violation: +// when resolving field "_field1" of type pkg.Foo, +// the class loader pkg.ClassLoaderForChildGrandFoo @42b2e259 of the current class, pkg.Child, +// and the class loader pkg.ClassLoaderForParentFoo @4b55c90f for the field's defining class, pkg.Parent, +// have different Class objects for type pkg.Foo +// (pkg.Child is in unnamed module of loader pkg.ClassLoaderForChildGrandFoo @42b2e259, parent loader 'app'; +// pkg.Parent is in unnamed module of loader pkg.ClassLoaderForParentFoo @4b55c90f, parent loader 'app') +// public class LdrCnstrFldMsgTest { public static void main(String... args) throws Exception { ClassLoader l = new pkg.ClassLoaderForChildGrandFoo("pkg.Foo", "pkg.Child", "pkg.Grand"); @@ -51,7 +65,7 @@ r.run(); throw new RuntimeException("Expected LinkageError exception not thrown"); } catch (java.lang.LinkageError e) { - if (!e.getMessage().contains("for the field's defining type, pkg.Parent,") || + if (!e.getMessage().contains("for the field's defining class, pkg.Parent,") || !e.getMessage().contains("have different Class objects for type pkg.Foo")) { throw new RuntimeException("Wrong LinkageError exception thrown: " + e.toString()); }