1 #!/bin/sh
   2 
   3 #
   4 # Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
   5 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   6 #
   7 # This code is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License version 2 only, as
   9 # published by the Free Software Foundation.
  10 #
  11 # This code is distributed in the hope that it will be useful, but WITHOUT
  12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 # version 2 for more details (a copy is included in the LICENSE file that
  15 # accompanied this code).
  16 #
  17 # You should have received a copy of the GNU General Public License version
  18 # 2 along with this work; if not, write to the Free Software Foundation,
  19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20 #
  21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22 # or visit www.oracle.com if you need additional information or have any
  23 # questions.
  24 #
  25 
  26 # @test
  27 # @bug 4705330
  28 # @key intermittent
  29 # @summary Netbeans Fix and Continue crashes JVM
  30 # @author Jim Holmlund/Swamy Venkataramanappa
  31 #
  32 # @run shell RedefineClearBreakpoint.sh
  33 
  34 # The failure occurs after a bkpt is set and then cleared
  35 # after a class redefinition, in a method that was EMCP.
  36 # This sequence creates a state in which subsequent operations
  37 # such as accessing local vars via JVMDI, can cause a hotspot crash.
  38 
  39 # These are variables that can be set to control execution
  40 
  41 compileOptions=-g
  42 createJavaFile()
  43 {
  44     cat <<EOF > $1.java.1
  45 
  46 public class $1 {
  47 
  48         public $1() {
  49             int a=23;
  50             a=m(a);
  51 
  52         }
  53         public int m(int b){
  54             int bb=89;
  55             System.out.println("$1 -  constructor" + b); //@1 breakpoint
  56             return b*b;
  57         }
  58 
  59         public static void main(java.lang.String[] args) {
  60             new $1();
  61             int jj = 0;   //@1 delete
  62         }
  63 
  64 }
  65 EOF
  66 }
  67 
  68 # This is called to feed cmds to jdb.
  69 dojdbCmds()
  70 {
  71     setBkpts @1
  72     runToBkpt @1
  73     redefineClass @1
  74     #cmd clear    NOTE this shows that jdb thinks the bpt is still set :-(
  75     setBkpts @1
  76     cmd next     # This is needed to make the crash happen at the 'locals' cmd
  77     cmd clear shtest:11
  78     cmd locals   # The crash happens here.
  79     #where
  80 }
  81 
  82 
  83 mysetup()
  84 {
  85     if [ -z "$TESTSRC" ] ; then
  86         TESTSRC=.
  87     fi
  88 
  89     for ii in . $TESTSRC $TESTSRC/.. ; do
  90         if [ -r "$ii/ShellScaffold.sh" ] ; then
  91             . $ii/ShellScaffold.sh
  92             break
  93         fi
  94     done
  95 }
  96 
  97 # You could replace this next line with the contents
  98 # of ShellScaffold.sh and this script will run just the same.
  99 mysetup
 100 
 101 runit
 102 debuggeeFailIfPresent "Internal exception:"
 103 pass