1 /* 2 * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 4705330 27 * @summary Netbeans Fix and Continue crashes JVM 28 * @comment converted from test/jdk/com/sun/jdi/RedefineClearBreakpoint.sh 29 * 30 * @library /test/lib 31 * @compile -g RedefineClearBreakpoint.java 32 * @run main/othervm RedefineClearBreakpoint 33 */ 34 35 /* 36 * The failure occurs after a breakpoint is set and then cleared 37 * after a class redefinition, in a method that was EMCP. 38 * This sequence creates a state in which subsequent operations 39 * such as accessing local vars via JVMDI, can cause a hotspot crash. 40 */ 41 42 import jdk.test.lib.Asserts; 43 import jdk.test.lib.process.OutputAnalyzer; 44 import lib.jdb.JdbCommand; 45 import lib.jdb.JdbTest; 46 47 import java.util.List; 48 49 class RedefineClearBreakpointTarg { 50 RedefineClearBreakpointTarg()51 public RedefineClearBreakpointTarg() { 52 int a=23; 53 a=m(a); 54 } m(int b)55 public int m(int b){ 56 int bb=89; 57 System.out.println("RedefineClearBreakpointTarg - constructor" + b); //@1 breakpoint 58 return b*b; 59 } 60 main(java.lang.String[] args)61 public static void main(java.lang.String[] args) { 62 new RedefineClearBreakpointTarg(); 63 int jj = 0; //@1 delete 64 } 65 66 } 67 68 69 public class RedefineClearBreakpoint extends JdbTest { 70 main(String argv[])71 public static void main(String argv[]) { 72 new RedefineClearBreakpoint().run(); 73 } 74 RedefineClearBreakpoint()75 private RedefineClearBreakpoint() { 76 super(DEBUGGEE_CLASS, SOURCE_FILE); 77 } 78 79 private static final String DEBUGGEE_CLASS = RedefineClearBreakpointTarg.class.getName(); 80 private static final String SOURCE_FILE = "RedefineClearBreakpoint.java"; 81 82 @Override runCases()83 protected void runCases() { 84 List<Integer> bps = parseBreakpoints(getTestSourcePath(SOURCE_FILE), 1); 85 Asserts.assertEquals(bps.size(), 1, "unexpected breakpoint count"); 86 jdb.command(JdbCommand.stopAt(DEBUGGEE_CLASS, bps.get(0))); 87 jdb.command(JdbCommand.run()); 88 redefineClass(1, "-g"); 89 90 jdb.command(JdbCommand.stopAt(DEBUGGEE_CLASS, bps.get(0))); 91 jdb.command(JdbCommand.next()); // This is needed to make the crash happen at the 'locals' cmd 92 93 jdb.command(JdbCommand.clear(DEBUGGEE_CLASS, bps.get(0))); 94 jdb.command(JdbCommand.locals()); // The crash happens here 95 96 new OutputAnalyzer(getDebuggeeOutput()) 97 .shouldNotContain("Internal exception:"); 98 } 99 } 100