com.sun.jdi.VMOutOfMemoryException Java Examples
The following examples show how to use
com.sun.jdi.VMOutOfMemoryException.
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Example #1
| Source File: OomDebugTest.java From dragonwell8_jdk with GNU General Public License v2.0 | 6 votes |
|
@SuppressWarnings("unused") // called via reflection
private void test2() throws Exception {
System.out.println("DEBUG: ------------> Running test2");
try {
Field field = targetClass.fieldByName("byteArray");
ArrayType arrType = (ArrayType)field.type();
for (int i = 0; i < 15; i++) {
ArrayReference byteArrayVal = arrType.newInstance(3000000);
if (byteArrayVal.isCollected()) {
System.out.println("DEBUG: Object got GC'ed before we can use it. NO-OP.");
continue;
}
invoke("testPrimitive", "([B)V", byteArrayVal);
}
} catch (VMOutOfMemoryException e) {
defaultHandleOOMFailure(e);
}
}
Example #2
| Source File: OomDebugTest.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
@SuppressWarnings("unused") // called via reflection
private void test2() throws Exception {
System.out.println("DEBUG: ------------> Running test2");
try {
Field field = targetClass.fieldByName("byteArray");
ArrayType arrType = (ArrayType)field.type();
for (int i = 0; i < 15; i++) {
ArrayReference byteArrayVal = arrType.newInstance(3000000);
if (byteArrayVal.isCollected()) {
System.out.println("DEBUG: Object got GC'ed before we can use it. NO-OP.");
continue;
}
invoke("testPrimitive", "([B)V", byteArrayVal);
}
} catch (VMOutOfMemoryException e) {
defaultHandleOOMFailure(e);
}
}
Example #3
| Source File: OomDebugTest.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
|
@SuppressWarnings("unused") // called via reflection
private void test2() throws Exception {
System.out.println("DEBUG: ------------> Running test2");
try {
Field field = targetClass.fieldByName("byteArray");
ArrayType arrType = (ArrayType)field.type();
for (int i = 0; i < 15; i++) {
ArrayReference byteArrayVal = arrType.newInstance(3000000);
if (byteArrayVal.isCollected()) {
System.out.println("DEBUG: Object got GC'ed before we can use it. NO-OP.");
continue;
}
invoke("testPrimitive", "([B)V", byteArrayVal);
}
} catch (VMOutOfMemoryException e) {
defaultHandleOOMFailure(e);
}
}
Example #4
| Source File: OomDebugTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
|
@SuppressWarnings("unused") // called via reflection
private void test2() throws Exception {
System.out.println("DEBUG: ------------> Running test2");
try {
Field field = targetClass.fieldByName("byteArray");
ArrayType arrType = (ArrayType)field.type();
for (int i = 0; i < 15; i++) {
ArrayReference byteArrayVal = arrType.newInstance(3000000);
if (byteArrayVal.isCollected()) {
System.out.println("DEBUG: Object got GC'ed before we can use it. NO-OP.");
continue;
}
invoke("testPrimitive", "([B)V", byteArrayVal);
}
} catch (VMOutOfMemoryException e) {
defaultHandleOOMFailure(e);
}
}
Example #5
| Source File: OomDebugTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
@SuppressWarnings("unused") // called via reflection
private void test2() throws Exception {
System.out.println("DEBUG: ------------> Running test2");
try {
Field field = targetClass.fieldByName("byteArray");
ArrayType arrType = (ArrayType)field.type();
for (int i = 0; i < 15; i++) {
ArrayReference byteArrayVal = arrType.newInstance(3000000);
if (byteArrayVal.isCollected()) {
System.out.println("DEBUG: Object got GC'ed before we can use it. NO-OP.");
continue;
}
invoke("testPrimitive", "([B)V", byteArrayVal);
}
} catch (VMOutOfMemoryException e) {
defaultHandleOOMFailure(e);
}
}
Example #6
| Source File: OomDebugTest.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
|
@SuppressWarnings("unused") // called via reflection
private void test2() throws Exception {
System.out.println("DEBUG: ------------> Running test2");
try {
Field field = targetClass.fieldByName("byteArray");
ArrayType arrType = (ArrayType)field.type();
for (int i = 0; i < 15; i++) {
ArrayReference byteArrayVal = arrType.newInstance(3000000);
if (byteArrayVal.isCollected()) {
System.out.println("DEBUG: Object got GC'ed before we can use it. NO-OP.");
continue;
}
invoke("testPrimitive", "([B)V", byteArrayVal);
}
} catch (VMOutOfMemoryException e) {
defaultHandleOOMFailure(e);
}
}
Example #7
| Source File: OomDebugTest.java From jdk8u_jdk with GNU General Public License v2.0 | 6 votes |
|
@SuppressWarnings("unused") // called via reflection
private void test2() throws Exception {
System.out.println("DEBUG: ------------> Running test2");
try {
Field field = targetClass.fieldByName("byteArray");
ArrayType arrType = (ArrayType)field.type();
for (int i = 0; i < 15; i++) {
ArrayReference byteArrayVal = arrType.newInstance(3000000);
if (byteArrayVal.isCollected()) {
System.out.println("DEBUG: Object got GC'ed before we can use it. NO-OP.");
continue;
}
invoke("testPrimitive", "([B)V", byteArrayVal);
}
} catch (VMOutOfMemoryException e) {
defaultHandleOOMFailure(e);
}
}
Example #8
| Source File: OomDebugTest.java From hottub with GNU General Public License v2.0 | 5 votes |
|
@SuppressWarnings("unused") // called via reflection
private void test2() throws Exception {
System.out.println("DEBUG: ------------> Running " + testMethodName);
try {
Field field = targetClass.fieldByName("byteArray");
ArrayType arrType = (ArrayType)field.type();
for (int i = 0; i < 15; i++) {
ArrayReference byteArrayVal = arrType.newInstance(3000000);
invoke("testPrimitive", "([B)V", byteArrayVal);
}
} catch (VMOutOfMemoryException e) {
defaultHandleOOMFailure(e);
}
}
Example #9
| Source File: DebuggerChecker.java From netbeans with Apache License 2.0 | 4 votes |
|
public void reload(Project project, OutputWriter logger, String classname) {
// check debugger state
DebuggerEngine debuggerEngine = DebuggerManager.getDebuggerManager ().
getCurrentEngine ();
if (debuggerEngine == null) {
logger.println("No debugging sessions was found.");
return;
}
JPDADebugger debugger = debuggerEngine.lookupFirst
(null, JPDADebugger.class);
if (debugger == null) {
logger.println("Current debugger is not JPDA one.");
return;
}
if (!debugger.canFixClasses ()) {
logger.println("The debugger does not support Fix action.");
return;
}
if (debugger.getState () == JPDADebugger.STATE_DISCONNECTED) {
logger.println("The debugger is not running");
return;
}
Map<String, byte[]> map = new HashMap<String, byte[]>();
EditorContext editorContext = DebuggerManager.
getDebuggerManager ().lookupFirst (null, EditorContext.class);
String clazz = classname.replace('.', '/') + ".class"; //NOI18N
ProjectSourcesClassPathProvider prv = project.getLookup().lookup(ProjectSourcesClassPathProvider.class);
ClassPath[] ccp = prv.getProjectClassPaths(ClassPath.COMPILE);
FileObject fo2 = null;
for (ClassPath cp : ccp) {
fo2 = cp.findResource(clazz);
if (fo2 != null) {
break;
}
}
if (fo2 != null) {
try {
String basename = fo2.getName();
for (FileObject classfile : fo2.getParent().getChildren()) {
String basename2 = classfile.getName();
if (/*#220338*/!"class".equals(classfile.getExt()) || (!basename2.equals(basename) && !basename2.startsWith(basename + '$'))) {
continue;
}
String url = classToSourceURL(classfile, logger);
if (url != null) {
editorContext.updateTimeStamp(debugger, url);
}
map.put(classname + basename2.substring(basename.length()), classfile.asBytes());
}
} catch (IOException ex) {
ex.printStackTrace ();
}
}
if (map.isEmpty()) {
logger.println("No class to reload");
return;
} else {
StringBuilder sb = new StringBuilder();
sb.append("Classes to reload:\n");
for (String c : map.keySet()) {
sb.append(" ");
sb.append(c);
sb.append("\n");
}
logger.println(sb);
}
String error = null;
try {
debugger.fixClasses (map);
} catch (UnsupportedOperationException uoex) {
error = "The virtual machine does not support this operation: "+uoex.getLocalizedMessage();
} catch (NoClassDefFoundError ncdfex) {
error = "The bytes don't correspond to the class type (the names don't match): "+ncdfex.getLocalizedMessage();
} catch (VerifyError ver) {
error = "A \"verifier\" detects that a class, though well formed, contains an internal inconsistency or security problem: "+ver.getLocalizedMessage();
} catch (UnsupportedClassVersionError ucver) {
error = "The major and minor version numbers in bytes are not supported by the VM. "+ucver.getLocalizedMessage();
} catch (ClassFormatError cfer) {
error = "The bytes do not represent a valid class. "+cfer.getLocalizedMessage();
LOGGER.log(Level.INFO, error, cfer); //#216376
} catch (ClassCircularityError ccer) {
error = "A circularity has been detected while initializing a class: "+ccer.getLocalizedMessage();
} catch (VMOutOfMemoryException oomex) {
error = "Out of memory in the target VM has occurred during class reload.";
}
if (error != null) {
logger.println(error);
} else {
logger.println("Code updated");
}
}
Example #10
| Source File: JPDAReload.java From netbeans with Apache License 2.0 | 4 votes |
|
@Override
public void execute() throws BuildException {
if (logger.isLoggable(Level.FINE)) {
logger.fine("JPDAReload.execute(), filesets = "+filesets);
}
if (filesets.size() == 0) {
throw new BuildException ("A nested fileset with class to refresh in VM must be specified.");
}
// check debugger state
DebuggerEngine debuggerEngine = DebuggerManager.getDebuggerManager ().
getCurrentEngine ();
if (debuggerEngine == null) {
throw new BuildException ("No debugging sessions was found.");
}
JPDADebugger debugger = debuggerEngine.lookupFirst(null, JPDADebugger.class);
if (debugger == null) {
throw new BuildException("Current debugger is not JPDA one.");
}
if (!debugger.canFixClasses ()) {
throw new BuildException("The debugger does not support Fix action.");
}
if (debugger.getState () == JPDADebugger.STATE_DISCONNECTED) {
throw new BuildException ("The debugger is not running");
}
System.out.println ("Classes to be reloaded:");
FileUtils fileUtils = FileUtils.getFileUtils();
Map map = new HashMap ();
EditorContext editorContext = DebuggerManager.getDebuggerManager().lookupFirst(null, EditorContext.class);
Iterator it = filesets.iterator ();
while (it.hasNext ()) {
FileSet fs = (FileSet) it.next ();
DirectoryScanner ds = fs.getDirectoryScanner (getProject ());
String fileNames[] = ds.getIncludedFiles ();
File baseDir = fs.getDir (getProject ());
int i, k = fileNames.length;
for (i = 0; i < k; i++) {
File f = fileUtils.resolveFile (baseDir, fileNames [i]);
if (f != null) {
FileObject fo = FileUtil.toFileObject(f);
if (fo != null) {
try {
String url = classToSourceURL (fo);
if (url != null)
editorContext.updateTimeStamp (debugger, url);
InputStream is = fo.getInputStream ();
long fileSize = fo.getSize ();
byte[] bytecode = new byte [(int) fileSize];
is.read (bytecode);
// remove ".class" from and use dots for for separator
String className = fileNames [i].substring (
0,
fileNames [i].length () - 6
).replace (File.separatorChar, '.');
map.put (
className,
bytecode
);
System.out.println (" " + className);
} catch (IOException ex) {
ex.printStackTrace ();
}
}
}
}
}
if (logger.isLoggable(Level.FINE)) {
logger.fine("Reloaded classes: "+map.keySet());
}
if (map.size () == 0) {
System.out.println (" No class to reload");
return;
}
String error = null;
try {
debugger.fixClasses (map);
} catch (UnsupportedOperationException uoex) {
error = "The virtual machine does not support this operation: "+uoex.getLocalizedMessage();
} catch (NoClassDefFoundError ncdfex) {
error = "The bytes don't correspond to the class type (the names don't match): "+ncdfex.getLocalizedMessage();
} catch (VerifyError ver) {
error = "A \"verifier\" detects that a class, though well formed, contains an internal inconsistency or security problem: "+ver.getLocalizedMessage();
} catch (UnsupportedClassVersionError ucver) {
error = "The major and minor version numbers in bytes are not supported by the VM. "+ucver.getLocalizedMessage();
} catch (ClassFormatError cfer) {
error = "The bytes do not represent a valid class. "+cfer.getLocalizedMessage();
} catch (ClassCircularityError ccer) {
error = "A circularity has been detected while initializing a class: "+ccer.getLocalizedMessage();
} catch (VMOutOfMemoryException oomex) {
error = "Out of memory in the target VM has occurred during class reload.";
}
if (error != null) {
getProject().log(error, Project.MSG_ERR);
throw new BuildException(error);
}
}
