/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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* 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 ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
/*
* @ test
* @ bug 4705330
* @ summary Netbeans Fix and Continue crashes JVM
* @ comment converted from test / jdk / com / sun / jdi / RedefineClearBreakpoint . sh
*
* @ library / test / lib
* @ compile - g RedefineClearBreakpoint . java
* @ run main / othervm RedefineClearBreakpoint
*/
/*
* The failure occurs after a breakpoint is set and then cleared
* after a class redefinition , in a method that was EMCP .
* This sequence creates a state in which subsequent operations
* such as accessing local vars via JVMDI , can cause a hotspot crash .
*/
import jdk.test.lib.Asserts;
import jdk.test.lib.process.OutputAnalyzer;
import lib.jdb.JdbCommand;
import lib.jdb.JdbTest;
import java.util.List;
class RedefineClearBreakpointTarg {
public RedefineClearBreakpointTarg() {
int a=23 ;
a=m(a);
}
public int m(int b){
int bb=89 ;
System.out.println("RedefineClearBreakpointTarg - constructor" + b); //@1 breakpoint
return b*b;
}
public static void main(java.lang.String[] args) {
new RedefineClearBreakpointTarg();
int jj = 0 ; //@1 delete
}
}
public class RedefineClearBreakpoint extends JdbTest {
public static void main(String argv[]) {
new RedefineClearBreakpoint().run();
}
private RedefineClearBreakpoint() {
super (DEBUGGEE_CLASS, SOURCE_FILE);
}
private static final String DEBUGGEE_CLASS = RedefineClearBreakpointTarg.class .getName();
private static final String SOURCE_FILE = "RedefineClearBreakpoint.java" ;
@Override
protected void runCases() {
List<Integer> bps = parseBreakpoints(getTestSourcePath(SOURCE_FILE), 1 );
Asserts.assertEquals(bps.size(), 1 , "unexpected breakpoint count" );
jdb.command(JdbCommand.stopAt(DEBUGGEE_CLASS, bps.get(0 )));
jdb.command(JdbCommand.run());
redefineClass(1 , "-g" );
jdb.command(JdbCommand.stopAt(DEBUGGEE_CLASS, bps.get(0 )));
jdb.command(JdbCommand.next()); // This is needed to make the crash happen at the 'locals' cmd
jdb.command(JdbCommand.clear(DEBUGGEE_CLASS, bps.get(0 )));
jdb.command(JdbCommand.locals()); // The crash happens here
new OutputAnalyzer(getDebuggeeOutput())
.shouldNotContain("Internal exception:" );
}
}
Messung V0.5 in Prozent C=90 H=95 G=92
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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