Examples with CorruptData com.ibm.dtfj.image.CorruptData used on opensource projects

Example 16 with CorruptData

use of com.ibm.dtfj.image.CorruptData in project openj9 by eclipse.

the class DTFJJavaRuntime method scanReferences.

private void scanReferences() {
    references = new LinkedList<Object>();
    AddCorruptionToListListener corruptionListener = new AddCorruptionToListListener(references);
    register(corruptionListener);
    try {
        RootScanner scanner = new DTFJRootScanner();
        /* We don't report stack slots here */
        scanner.setScanStackSlots(false);
        scanner.scanAllSlots();
    } catch (Throwable t) {
        CorruptData cd = J9DDRDTFJUtils.handleAsCorruptData(DTFJContext.getProcess(), t);
        references.add(cd);
    }
    unregister(corruptionListener);
}

Example 17 with CorruptData

use of com.ibm.dtfj.image.CorruptData in project openj9 by eclipse.

the class DTFJJavaRuntime method getJavaClassLoaders.

@SuppressWarnings("rawtypes")
public Iterator getJavaClassLoaders() {
    if (classLoaders != null) {
        // return cached set of class loaders
        return classLoaders.iterator();
    }
    classLoaders = new LinkedList<Object>();
    GCClassLoaderIterator classLoaderIterator;
    try {
        classLoaderIterator = GCClassLoaderIterator.from();
    } catch (Throwable t) {
        CorruptData cd = J9DDRDTFJUtils.handleAsCorruptData(DTFJContext.getProcess(), t);
        classLoaders.add(cd);
        return classLoaders.iterator();
    }
    AddCorruptionToListListener corruptionListener = new AddCorruptionToListListener(classLoaders);
    register(corruptionListener);
    try {
        while (!corruptionListener.fatalCorruption() && classLoaderIterator.hasNext()) {
            J9ClassLoaderPointer next = classLoaderIterator.next();
            if (next != null) {
                classLoaders.add(new DTFJJavaClassloader(next));
            }
        }
    } catch (Throwable t) {
        CorruptData cd = J9DDRDTFJUtils.handleAsCorruptData(DTFJContext.getProcess(), t);
        classLoaders.add(cd);
    }
    unregister(corruptionListener);
    return classLoaders.iterator();
}

Example 18 with CorruptData

use of com.ibm.dtfj.image.CorruptData in project openj9 by eclipse.

the class DTFJComparator method assertEqualsIfBothObjectsCorrupt.

// If one object is corrupt then both objects MUST be corrupt and both objects MUST be equal
// Returns true if both objects where corrupt, false otherwise.
private static boolean assertEqualsIfBothObjectsCorrupt(Object a, Object b) {
    if (a instanceof CorruptData && b instanceof CorruptData) {
        CorruptDataComparator comp = new CorruptDataComparator();
        comp.testEquals(b, a, comp.getDefaultMask());
        return true;
    }
    assertFalse("This object should have been corrupt", a instanceof CorruptData);
    assertFalse("This object should have been corrupt", b instanceof CorruptData);
    return false;
}

Example 19 with CorruptData

use of com.ibm.dtfj.image.CorruptData in project openj9 by eclipse.

the class PHDJavaRuntime method prepMonitors.

/**
 * Remember objects associated with monitors.
 * Performance optimization - we can then find these objects on a scan through the heap
 * and remember them, saving a fruitless search of the heap if they only exist in a javacore.
 */
private void prepMonitors() {
    if (metaJavaRuntime != null) {
        final PHDJavaClassLoader boot = loaders.get(null);
        for (Iterator it = metaJavaRuntime.getMonitors(); it.hasNext(); ) {
            Object next = it.next();
            if (next instanceof CorruptData)
                continue;
            JavaMonitor mon = (JavaMonitor) next;
            JavaObject jo = mon.getObject();
            saveExtraObject(boot, jo);
        }
    }
}

Example 20 with CorruptData

use of com.ibm.dtfj.image.CorruptData in project openj9 by eclipse.

the class PHDJavaRuntime method initThreads.

private void initThreads() {
    if (metaJavaRuntime != null) {
        for (Iterator it = metaJavaRuntime.getThreads(); it.hasNext(); ) {
            Object next = it.next();
            if (next instanceof CorruptData) {
                JavaThread thr = new PHDCorruptJavaThread(space, (CorruptData) next);
                threads.put(thr, thr);
            } else {
                getThread((JavaThread) next);
            }
        }
    }
}