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8343416: CDS dump fails when unregistered class can also be loaded from system modules

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Reviewed-by: iklam, matsaave
This commit is contained in:
Calvin Cheung 2024-11-13 19:36:15 +00:00
parent ffea9809a7
commit dde6230751
2 changed files with 56 additions and 3 deletions
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6
src/hotspot/share/cds/unregisteredClasses.cpp
View File

@ -51,6 +51,7 @@ InstanceKlass* UnregisteredClasses::load_class(Symbol* name, const char* path, T
PerfClassTraceTime::CLASS_LOAD);
Symbol* path_symbol = SymbolTable::new_symbol(path);
Symbol* findClass = SymbolTable::new_symbol("findClass");
Handle url_classloader = get_url_classloader(path_symbol, CHECK_NULL);
Handle ext_class_name = java_lang_String::externalize_classname(name, CHECK_NULL);
@ -58,11 +59,10 @@ InstanceKlass* UnregisteredClasses::load_class(Symbol* name, const char* path, T
JavaCallArguments args(2);
args.set_receiver(url_classloader);
args.push_oop(ext_class_name);
args.push_int(JNI_FALSE);
JavaCalls::call_virtual(&result,
vmClasses::URLClassLoader_klass(),
vmSymbols::loadClass_name(),
vmSymbols::string_boolean_class_signature(),
findClass,
vmSymbols::string_class_signature(),
&args,
CHECK_NULL);
assert(result.get_type() == T_OBJECT, "just checking");

53
test/hotspot/jtreg/runtime/cds/appcds/customLoader/ClassFromSystemModule.java Normal file
View File

@ -0,0 +1,53 @@
/*
* Copyright (c) 2024, 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
/*
* @test
* @bug 8343416
* @summary Test dumping of class from a system module loaded by a custom loader.
* @requires vm.cds
* @requires vm.cds.custom.loaders
* @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
* @run driver ClassFromSystemModule
*/
import java.nio.file.*;
import jdk.test.lib.process.OutputAnalyzer;
public class ClassFromSystemModule {
public static void main(String[] args) throws Exception {
Path jrtFs = Paths.get(System.getProperty("java.home"), "lib", "jrt-fs.jar");
System.out.println("jrtFs: " + jrtFs.toString());
String classlist[] = new String[] {
"java/nio/file/spi/FileSystemProvider id: 1000",
"jdk/internal/jrtfs/JrtFileSystemProvider id: 1001 super:1000 source: " + jrtFs.toString(),
};
OutputAnalyzer out = TestCommon.testDump(null, classlist, "-Xlog:cds,cds+class=debug");
out.shouldContain("boot java.nio.file.spi.FileSystemProvider")
.shouldContain("unreg jdk.internal.jrtfs.JrtFileSystemProvider");
}
}