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

Example 71 with CorruptDataException

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

the class DTFJJavaObject method getReferences.

@SuppressWarnings("rawtypes")
public Iterator getReferences() {
    boolean isClass = false;
    boolean isClassLoader = false;
    boolean isWeakReference = false;
    boolean isSoftReference = false;
    boolean isPhantomReference = false;
    if (null == references) {
        references = new LinkedList<Object>();
        try {
            // find this object's class
            JavaClass jClass = getJavaClass();
            // add a reference to the object's class
            if (null != jClass) {
                JavaReference ref = new DTFJJavaReference(this, jClass, "Class", JavaReference.REFERENCE_CLASS, JavaReference.HEAP_ROOT_UNKNOWN, JavaReference.REACHABILITY_STRONG);
                references.add(ref);
            }
            if (isArray()) {
                if (isObjectArray()) {
                    addObjectArrayReferences();
                }
            } else {
                isClass = (jClass != null) && jClass.getName().equals("java/lang/Class");
                List<JavaClass> superClasses = new LinkedList<JavaClass>();
                // Do superclass walk
                while (jClass != null) {
                    String className = jClass.getName();
                    isClassLoader |= className.equals("java/lang/ClassLoader");
                    isWeakReference |= className.equals("java/lang/ref/WeakReference");
                    isSoftReference |= className.equals("java/lang/ref/SoftReference");
                    isPhantomReference |= className.equals("java/lang/ref/PhantomReference");
                    superClasses.add(jClass);
                    jClass = jClass.getSuperclass();
                }
                int reachability = isWeakReference ? JavaReference.REACHABILITY_WEAK : isSoftReference ? JavaReference.REACHABILITY_SOFT : isPhantomReference ? JavaReference.REACHABILITY_PHANTOM : JavaReference.REACHABILITY_STRONG;
                for (JavaClass clazz : superClasses) {
                    addFieldReferences(clazz, reachability);
                }
            }
        } catch (CorruptDataException e) {
            // Corrupt data, so add it to the container.
            references.add(e.getCorruptData());
        } catch (Throwable t) {
            CorruptData cd = J9DDRDTFJUtils.handleAsCorruptData(DTFJContext.getProcess(), t);
            references.add(cd);
        }
        // Now add association-specific references
        if (isClassLoader) {
            try {
                JavaClassLoader associatedClassLoader = getAssociatedClassLoader();
                if (associatedClassLoader != null) {
                    for (Iterator classes = associatedClassLoader.getDefinedClasses(); classes.hasNext(); ) {
                        Object potentialClass = classes.next();
                        if (potentialClass instanceof JavaClass) {
                            JavaClass currentClass = (JavaClass) potentialClass;
                            JavaReference ref = new DTFJJavaReference(this, currentClass, "Loaded class", JavaReference.REFERENCE_LOADED_CLASS, JavaReference.HEAP_ROOT_UNKNOWN, JavaReference.REACHABILITY_STRONG);
                            references.add(ref);
                        }
                    }
                } else {
                    references.add(J9DDRDTFJUtils.newCorruptData(DTFJContext.getProcess(), "Couldn't find associated JavaClassLoader for classloader object " + this));
                }
            } catch (Throwable t) {
                CorruptData cd = J9DDRDTFJUtils.handleAsCorruptData(DTFJContext.getProcess(), t);
                references.add(cd);
            }
        }
        if (isClass) {
            try {
                JavaClass associatedClass = getAssociatedClass();
                if (associatedClass != null) {
                    JavaReference ref = new DTFJJavaReference(this, associatedClass, "Associated class", JavaReference.REFERENCE_ASSOCIATED_CLASS, JavaReference.HEAP_ROOT_UNKNOWN, JavaReference.REACHABILITY_STRONG);
                    references.add(ref);
                } else {
                    // No associated class found. For anonymous classes this is expected, the class is not defined in a classloader.
                    J9ClassPointer j9Class = ConstantPoolHelpers.J9VM_J9CLASS_FROM_HEAPCLASS(object);
                    if (!J9ClassHelper.isAnonymousClass(j9Class)) {
                        // Not an anonymous class, so something is wrong/damaged, add a corrupt data object to the references list
                        references.add(J9DDRDTFJUtils.newCorruptData(DTFJContext.getProcess(), "Couldn't find associated JavaClass for Class object " + this));
                    }
                }
            } catch (Throwable t) {
                CorruptData cd = J9DDRDTFJUtils.handleAsCorruptData(DTFJContext.getProcess(), t);
                references.add(cd);
            }
        }
    }
    return references.iterator();
}

Example 72 with CorruptDataException

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

the class JavaClassComparator method testEquals.

// getClassLoader()
// getComponentType()
// getConstantPoolReferences()
// getDeclaredFields()
// getDeclaredMethods()
// getID()
// getInterfaces()
// getModifiers()
// getName()
// getObject()
// getReferences()
// getSuperclass()
// isArray()
public void testEquals(Object ddrObject, Object jextractObject, int members) {
    JavaClass ddrJavaClass = (JavaClass) ddrObject;
    JavaClass jextractJavaClass = (JavaClass) jextractObject;
    JavaObjectComparator javaObjectComparator = new JavaObjectComparator();
    // getClassLoader()
    if ((CLASS_LOADER & members) != 0)
        new JavaClassLoaderComparator().testComparatorEquals(ddrJavaClass, jextractJavaClass, "getClassLoader");
    // isArray()
    if ((IS_ARRAY & members) != 0)
        testJavaEquals(ddrJavaClass, jextractJavaClass, "isArray");
    // getComponentType()
    if ((COMPONENT_TYPE & members) != 0) {
        try {
            if (ddrJavaClass.isArray()) {
                new JavaClassComparator().testComparatorEquals(ddrJavaClass, jextractJavaClass, "getComponentType");
            }
        } catch (CorruptDataException e) {
            fail("Problem comparing JavaClass");
        }
    }
    // getConstantPoolReferences()
    if ((CONSTANT_POOL_REFERENCES & members) != 0)
        javaObjectComparator.testComparatorIteratorEquals(ddrJavaClass, jextractJavaClass, "getConstantPoolReferences", JavaObject.class);
    // getDeclaredFields
    if ((DECLARED_FIELDS & members) != 0)
        new JavaFieldComparator().testComparatorIteratorEquals(ddrJavaClass, jextractJavaClass, "getDeclaredFields", JavaField.class);
    // getDeclaredMethods
    if ((DECLARED_METHODS & members) != 0)
        new JavaMethodComparator().testComparatorIteratorEquals(ddrJavaClass, jextractJavaClass, "getDeclaredMethods", JavaMethod.class);
    // getID()
    if ((ID & members) != 0)
        new ImagePointerComparator().testComparatorEquals(ddrJavaClass, jextractJavaClass, "getID");
    // getInterfaces()
    if ((INTERFACES & members) != 0)
        testComparatorIteratorEquals(ddrJavaClass, jextractJavaClass, "getInterfaces", String.class);
    // getModifiers()
    if ((MODIFIERS & members) != 0)
        testJavaEquals(ddrJavaClass, jextractJavaClass, "getModifiers");
    // getName()
    if ((NAME & members) != 0) {
        testJavaEquals(ddrJavaClass, jextractJavaClass, "getName");
    }
    // getObject()
    if ((OBJECT & members) != 0)
        javaObjectComparator.testJavaEquals(ddrJavaClass, jextractJavaClass, "getObject");
    // getReferneces()
    if ((REFERENCES & members) != 0)
        new JavaReferenceComparator().testComparatorIteratorEquals(ddrJavaClass, jextractJavaClass, "getReferneces", JavaReference.class);
    // getSuperclass()
    if ((SUPERCLASS & members) != 0)
        testComparatorEquals(ddrJavaClass, jextractJavaClass, "getSuperclass");
}

Example 73 with CorruptDataException

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

the class ImageRegisterTest method loadTestObjects.

protected void loadTestObjects(JavaRuntime ddrRuntime, List<Object> ddrObjects, JavaRuntime jextractRuntime, List<Object> jextractObjects) {
    // Extract registers from all threads
    List<Object> ddrThreads = new LinkedList<Object>();
    List<Object> jextractThreads = new LinkedList<Object>();
    Comparator<Object> c = new Comparator<Object>() {

        public int compare(Object o1, Object o2) {
            if (o1 instanceof ImageThread && o2 instanceof ImageThread) {
                ImageThread t1 = (ImageThread) o1;
                ImageThread t2 = (ImageThread) o2;
                try {
                    return t1.getID().compareTo(t2.getID());
                } catch (CorruptDataException e) {
                    return 0;
                }
            } else {
                return 0;
            }
        }
    };
    fillLists(ddrThreads, ddrProcess.getThreads(), jextractThreads, jextractProcess.getThreads(), c);
    assertEquals("Different numbers of threads", jextractThreads.size(), ddrThreads.size());
    Collections.sort(ddrThreads, c);
    Collections.sort(jextractThreads, c);
    for (Object o : ddrThreads) {
        if (o instanceof ImageThread) {
            ImageThread t = (ImageThread) o;
            Iterator<?> it = t.getRegisters();
            slurpIterator(it, ddrObjects);
        }
    }
    for (Object o : jextractThreads) {
        if (o instanceof ImageThread) {
            ImageThread t = (ImageThread) o;
            Iterator<?> it = t.getRegisters();
            slurpIterator(it, jextractObjects);
        }
    }
}

Example 74 with CorruptDataException

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

the class ImagePointerTest method loadTestObjects.

protected void loadTestObjects(JavaRuntime ddrRuntime, List<Object> ddrObjects, JavaRuntime jextractRuntime, List<Object> jextractObjects) {
    List<Object> ddrClassLoaders = new ArrayList<Object>();
    List<Object> jextractClassLoaders = new ArrayList<Object>();
    fillLists(ddrClassLoaders, ddrRuntime.getJavaClassLoaders(), jextractClassLoaders, jextractRuntime.getJavaClassLoaders(), null);
    for (int i = 0; i < ddrClassLoaders.size(); i++) {
        JavaClassLoader ddrClassLoader = (JavaClassLoader) ddrClassLoaders.get(i);
        JavaClassLoader jextractClassLoader = (JavaClassLoader) jextractClassLoaders.get(i);
        try {
            ddrObjects.add(ddrClassLoader.getObject().getID());
            jextractObjects.add(jextractClassLoader.getObject().getID());
        } catch (CorruptDataException e) {
            fail("Problem initializing test");
        }
    }
}

Example 75 with CorruptDataException

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

the class JavaClassTest method anyClassIsArray.

@Test
public void anyClassIsArray() {
    boolean foundArray = false;
    for (int i = 0; i < ddrTestObjects.size(); i++) {
        JavaClass ddrClass = (JavaClass) ddrTestObjects.get(i);
        try {
            if (ddrClass.isArray()) {
                foundArray = true;
                break;
            }
        } catch (CorruptDataException e) {
        // Do nothing ... not testing this aspect
        }
    }
    assertTrue("No class under test was an array", foundArray);
}