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

Example 16 with CorruptDataException

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

the class DTFJJavaObject method getAssociatedClass.

private JavaClass getAssociatedClass() {
    // Retrieve the class loader for this class for using introspection to speed up
    // lookup when lots of classes are loaded by lots of class loaders.
    JavaObject targetClassLoaderObject = null;
    try {
        JavaClass javaLangClass = this.getJavaClass();
        Iterator<?> fields = javaLangClass.getDeclaredFields();
        while (fields.hasNext()) {
            Object o = fields.next();
            if (o instanceof JavaField) {
                JavaField field = (JavaField) o;
                if ("classLoader".equals(field.getName())) {
                    targetClassLoaderObject = (JavaObject) field.get(this);
                    break;
                }
            }
        }
    } catch (CorruptDataException e) {
    // This is only an optimisation to save us walking all class loaders. Continue
    } catch (MemoryAccessException e) {
    // This is only an optimisation to save us walking all class loaders. Continue
    }
    return getAssociatedClass(targetClassLoaderObject);
}

Example 17 with CorruptDataException

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

the class DTFJJavaField method equals.

public boolean equals(Object obj) {
    boolean isEqual = false;
    if (obj instanceof JavaField) {
        JavaField field = (JavaField) obj;
        boolean hasSameName;
        try {
            hasSameName = name.equals(field.getName());
        } catch (CorruptDataException cde) {
            hasSameName = false;
        }
        try {
            isEqual = hasSameName && (getClass().equals(field.getClass())) && clazz.equals(field.getDeclaringClass());
        } catch (Throwable t) {
            J9DDRDTFJUtils.handleAsCorruptDataException(DTFJContext.getProcess(), t);
        }
    }
    return isEqual;
}

Example 18 with CorruptDataException

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

the class DTFJJavaThread method equals.

public boolean equals(Object object) {
    // note that we can't get image threads on all platforms and in all situations but we still need to return equals correctly
    ImageThread imageThread = null;
    try {
        imageThread = getImageThread();
    } catch (DataUnavailable e) {
    // Do nothing
    } catch (CorruptDataException e) {
    // Do nothing
    }
    boolean isEqual = (null == imageThread) ? (this == object) : false;
    // By definition objects from different images can not be equal
    if ((null != imageThread) && (object instanceof DTFJJavaThread)) {
        DTFJJavaThread local = (DTFJJavaThread) object;
        try {
            isEqual = imageThread.getID().equals(local.getImageThread().getID());
        } catch (CorruptDataException e) {
        // Do nothing
        } catch (DataUnavailable e) {
        // Do nothing
        }
    }
    return isEqual;
}

Example 19 with CorruptDataException

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

the class JavaObjectComparator method testEquals.

// getArraySize()
// getHeap()
// getID()
// getJavaClass()
// getReferences()
// getSections()
// getSize()
// isArray()
// what about
// getHashcode()
// getPersistentHashcode()
public void testEquals(Object ddrObject, Object jextractObject, int members) {
    JavaObject ddrJavaObject = (JavaObject) ddrObject;
    JavaObject jextractJavaObject = (JavaObject) jextractObject;
    // isArray()
    if ((IS_ARRAY & members) != 0)
        testJavaEquals(ddrJavaObject, jextractJavaObject, "isArray");
    // getArraySize()
    if ((ARRAY_SIZE & members) != 0) {
        try {
            if (ddrJavaObject.isArray()) {
                testJavaEquals(ddrJavaObject, jextractJavaObject, "getArraySize");
            }
        } catch (CorruptDataException e) {
            fail(String.format("Problem comparing JavaObject %s", ddrJavaObject));
        }
    }
    // getID()
    if ((ID & members) != 0)
        new ImagePointerComparator().testComparatorEquals(ddrJavaObject, jextractJavaObject, "getID");
    // getJavaClass()
    if ((JAVA_CLASS & members) != 0)
        new JavaClassComparator().testComparatorEquals(ddrJavaObject, jextractJavaObject, "getJavaClass");
    // getReferences()
    if ((REFERENCES & members) != 0)
        new JavaReferenceComparator().testComparatorIteratorEquals(ddrJavaObject, jextractJavaObject, "getReferences", JavaReference.class);
    // getSections()
    if ((SECTIONS & members) != 0)
        new ImageSectionComparator().testComparatorIteratorEquals(ddrJavaObject, jextractJavaObject, "getSections", ImageSection.class);
    // getHeap()
    if ((HEAP & members) != 0)
        new JavaHeapComparator().testComparatorEquals(ddrJavaObject, jextractJavaObject, "getHeap");
}

Example 20 with CorruptDataException

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

the class DTFJComparator method invokeMethod.

@SuppressWarnings("unchecked")
private InvokeResult invokeMethod(Object ddrObject, Object jextractObject, String methodName, Class[] paramTypes, Object[] args) {
    if (assertEqualsIfBothObjectsCorrupt(jextractObject, ddrObject)) {
        return new InvokeResult(null, null, false);
    }
    boolean ddrDataUnavailable = false;
    boolean jextractDataUnavailable = false;
    boolean ddrCorruptData = false;
    boolean jextractCorruptData = false;
    boolean ddrUnsupportedOperation = false;
    @SuppressWarnings("unused") boolean jextractUnsupportedOperation = false;
    Object ddrResult = false;
    Object jextractResult = false;
    Method method;
    Throwable ddrException = null;
    Throwable jextractException = null;
    try {
        method = ddrObject.getClass().getMethod(methodName, paramTypes);
        method.setAccessible(true);
        ddrResult = method.invoke(ddrObject, args);
    } catch (SecurityException e) {
        e.printStackTrace();
        fail(String.format("Could not find method %s.%s()", ddrObject.getClass().getName(), methodName));
    } catch (NoSuchMethodException e) {
        e.printStackTrace();
        fail(String.format("Could not find method %s.%s()", ddrObject.getClass().getName(), methodName));
    } catch (IllegalArgumentException e) {
        e.printStackTrace();
        fail(String.format("Could not find method %s.%s()", ddrObject.getClass().getName(), methodName));
    } catch (IllegalAccessException e) {
        e.printStackTrace();
        fail(String.format("Could not find method %s.%s()", ddrObject.getClass().getName(), methodName));
    } catch (InvocationTargetException e) {
        if (e.getCause() instanceof DataUnavailable) {
            // e.getCause().printStackTrace();
            ddrException = e.getCause();
            ddrDataUnavailable = true;
        } else if (e.getCause() instanceof CorruptDataException) {
            // e.getCause().printStackTrace();
            ddrException = e.getCause();
            ddrCorruptData = true;
        } else {
            fail(String.format("Unexpected exception %s from method %s.%s()", e.getCause(), ddrObject.getClass().getName(), methodName));
        }
    }
    try {
        method = jextractObject.getClass().getMethod(methodName, paramTypes);
        method.setAccessible(true);
        jextractResult = method.invoke(jextractObject, args);
    } catch (SecurityException e) {
        e.printStackTrace();
        fail(String.format("Could not find method %s.%s()", jextractObject.getClass().getName(), methodName));
    } catch (NoSuchMethodException e) {
        e.printStackTrace();
        fail(String.format("Could not find method %s.%s()", jextractObject.getClass().getName(), methodName));
    } catch (IllegalArgumentException e) {
        e.printStackTrace();
        fail(String.format("Could not find method %s.%s()", jextractObject.getClass().getName(), methodName));
    } catch (IllegalAccessException e) {
        e.printStackTrace();
        fail(String.format("Could not find method %s.%s()", jextractObject.getClass().getName(), methodName));
    } catch (InvocationTargetException e) {
        if (e.getCause() instanceof DataUnavailable) {
            jextractException = e.getCause();
            jextractDataUnavailable = true;
        } else if (e.getCause() instanceof CorruptDataException) {
            jextractException = e.getCause();
            jextractCorruptData = true;
        } else {
            fail(String.format("Unexpected exception %s from method %s.%s()", e.getCause(), ddrObject.getClass().getName(), methodName));
        }
    }
    if (ddrDataUnavailable && !jextractDataUnavailable) {
        if (ddrException != null) {
            ddrException.printStackTrace();
        }
        if (jextractException != null) {
            jextractException.printStackTrace();
        }
        fail(String.format("%s.%s returned DataUnavailable. JExtract did not.", ddrObject.getClass().getSimpleName(), methodName));
    }
    if (jextractCorruptData && !ddrCorruptData) {
        // in this case DDR found data and jextract threw a corrupt data exception, so mark it as do not test
        return new InvokeResult(ddrResult, jextractResult, false);
    } else {
        assertEquals(String.format("%s.%s() returned CorruptData for %s", ddrObject.getClass().getSimpleName(), methodName, ddrCorruptData ? "DDR" : "JEXTRACT"), jextractCorruptData, ddrCorruptData);
        return new InvokeResult(ddrResult, jextractResult, !jextractDataUnavailable && !ddrDataUnavailable && !ddrCorruptData && !ddrUnsupportedOperation);
    }
}