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test/com/sun/management/HotSpotDiagnosticMXBean/SetVMOption.java
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@@ -28,58 +28,58 @@
* and getDiagnosticOptions().
* @author Mandy Chung
* @author Jaroslav Bachorik
*
* @modules jdk.management
- * @run main/othervm -XX:+PrintGCDetails SetVMOption
+ * @run main/othervm -XX:+HeapDumpOnOutOfMemoryError SetVMOption
*/
import java.lang.management.ManagementFactory;
import java.util.*;
import com.sun.management.HotSpotDiagnosticMXBean;
import com.sun.management.VMOption;
import com.sun.management.VMOption.Origin;
public class SetVMOption {
- private static final String PRINT_GC_DETAILS = "PrintGCDetails";
+ private static final String HEAP_DUMP_ON_OOM = "HeapDumpOnOutOfMemoryError";
private static final String EXPECTED_VALUE = "true";
private static final String BAD_VALUE = "yes";
private static final String NEW_VALUE = "false";
private static final String MANAGEMENT_SERVER = "ManagementServer";
private static HotSpotDiagnosticMXBean mbean;
public static void main(String[] args) throws Exception {
mbean =
ManagementFactory.getPlatformMXBean(HotSpotDiagnosticMXBean.class);
- VMOption option = findPrintGCDetailsOption();
+ VMOption option = findHeapDumpOnOomOption();
if (!option.getValue().equalsIgnoreCase(EXPECTED_VALUE)) {
throw new RuntimeException("Unexpected value: " +
option.getValue() + " expected: " + EXPECTED_VALUE);
}
if (option.getOrigin() != Origin.VM_CREATION) {
throw new RuntimeException("Unexpected origin: " +
option.getOrigin() + " expected: VM_CREATION");
}
if (!option.isWriteable()) {
- throw new RuntimeException("Expected " + PRINT_GC_DETAILS +
+ throw new RuntimeException("Expected " + HEAP_DUMP_ON_OOM +
" to be writeable");
}
// set VM option to a new value
- mbean.setVMOption(PRINT_GC_DETAILS, NEW_VALUE);
+ mbean.setVMOption(HEAP_DUMP_ON_OOM, NEW_VALUE);
- option = findPrintGCDetailsOption();
+ option = findHeapDumpOnOomOption();
if (!option.getValue().equalsIgnoreCase(NEW_VALUE)) {
throw new RuntimeException("Unexpected value: " +
option.getValue() + " expected: " + NEW_VALUE);
}
if (option.getOrigin() != Origin.MANAGEMENT) {
throw new RuntimeException("Unexpected origin: " +
option.getOrigin() + " expected: MANAGEMENT");
}
- VMOption o = mbean.getVMOption(PRINT_GC_DETAILS);
+ VMOption o = mbean.getVMOption(HEAP_DUMP_ON_OOM);
if (!option.getValue().equals(o.getValue())) {
throw new RuntimeException("Unmatched value: " +
option.getValue() + " expected: " + o.getValue());
}
if (!option.getValue().equals(o.getValue())) {
@@ -121,21 +121,21 @@
throw new RuntimeException(MANAGEMENT_SERVER +
" is not expected to be writeable");
}
}
- public static VMOption findPrintGCDetailsOption() {
+ public static VMOption findHeapDumpOnOomOption() {
List<VMOption> options = mbean.getDiagnosticOptions();
VMOption gcDetails = null;
for (VMOption o : options) {
- if (o.getName().equals(PRINT_GC_DETAILS)) {
+ if (o.getName().equals(HEAP_DUMP_ON_OOM)) {
gcDetails = o;
break;
}
}
if (gcDetails == null) {
- throw new RuntimeException("VM option " + PRINT_GC_DETAILS +
+ throw new RuntimeException("VM option " + HEAP_DUMP_ON_OOM +
" not found");
}
return gcDetails;
}
}
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