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

Example 6 with CorruptDataException

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

the class ImageStackFrame method getProcedureName.

public String getProcedureName() throws CorruptDataException {
    if (null == _procedureName) {
        ImageModule bestModule = null;
        ImageSymbol bestClosest = null;
        long bestDelta = Long.MAX_VALUE;
        for (Iterator i = this._space.getProcesses(); i.hasNext(); ) {
            Object nexti = i.next();
            if (nexti instanceof CorruptData)
                continue;
            ImageProcess process = (ImageProcess) nexti;
            if ((_procedureAddress.getAddress() != ((1L << process.getPointerSize()) - 1))) {
                try {
                    ImageModule module = process.getExecutable();
                    ImageSymbol closest = getClosestSymbolFrom(module);
                    long delta = getDelta(module, closest);
                    if (delta >= 0 && delta < bestDelta) {
                        bestModule = module;
                        bestClosest = closest;
                        bestDelta = delta;
                    }
                } catch (DataUnavailable e) {
                } catch (CorruptDataException e) {
                }
                try {
                    for (Iterator j = process.getLibraries(); j.hasNext(); ) {
                        Object next = j.next();
                        if (next instanceof CorruptData)
                            continue;
                        ImageModule module = (ImageModule) next;
                        ImageSymbol closest = getClosestSymbolFrom(module);
                        long delta = getDelta(module, closest);
                        if (delta >= 0 && delta < bestDelta) {
                            bestModule = module;
                            bestClosest = closest;
                            bestDelta = delta;
                        }
                    }
                } catch (DataUnavailable e) {
                } catch (CorruptDataException e) {
                }
            }
        }
        ImageSymbol closest = bestClosest;
        ImageModule module = bestModule;
        long delta = bestDelta;
        if (null != module) {
            String deltaString = "";
            if (delta == Long.MAX_VALUE) {
                deltaString = "<offset not available>";
            } else {
                if (delta >= 0) {
                    deltaString = "+0x" + Long.toHexString(delta);
                } else {
                    deltaString = "-0x" + Long.toHexString(delta);
                }
            }
            if (null != closest) {
                _procedureName = module.getName() + "::" + closest.getName() + deltaString;
            } else {
                _procedureName = module.getName() + deltaString;
            }
        }
    }
    // If we haven't found the symbol, we might as well record that fact.
    if (null == _procedureName) {
        _procedureName = "<unknown location>";
    }
    return _procedureName;
}

Example 7 with CorruptDataException

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

the class XMLIndexReader method setJ9DumpData.

public void setJ9DumpData(long environ, String osType, String osSubType, String cpuType, int cpuCount, long bytesMem, int pointerSize, Image[] imageRef, ImageAddressSpace[] addressSpaceRef, ImageProcess[] processRef) {
    Builder builder = null;
    if (_stream == null) {
        // extract directly from the file
        builder = new Builder(_coreFile, _reader, environ, _fileResolvingAgent);
    } else {
        // extract using the data stream
        builder = new Builder(_coreFile, _stream, environ, _fileResolvingAgent);
    }
    _coreFile.extract(builder);
    // Jazz 4961 : chamlain : NumberFormatException opening corrupt dump
    if (cpuType == null)
        cpuType = builder.getCPUType();
    String cpuSubType = builder.getCPUSubType();
    if (osType == null)
        osType = builder.getOSType();
    long creationTime = builder.getCreationTime();
    _coreImage = new Image(osType, osSubType, cpuType, cpuSubType, cpuCount, bytesMem, creationTime);
    ImageAddressSpace addressSpace = (ImageAddressSpace) builder.getAddressSpaces().next();
    ImageProcess process = (ImageProcess) addressSpace.getCurrentProcess();
    // If not sure, use the first address space/process pair found
    for (Iterator it = builder.getAddressSpaces(); it.hasNext(); ) {
        ImageAddressSpace addressSpace1 = (ImageAddressSpace) it.next();
        final boolean vb = false;
        if (vb)
            System.out.println("address space " + addressSpace1);
        _coreImage.addAddressSpace(addressSpace1);
        for (Iterator it2 = addressSpace1.getProcesses(); it2.hasNext(); ) {
            ImageProcess process1 = (ImageProcess) it2.next();
            if (vb)
                try {
                    System.out.println("process " + process1.getID());
                } catch (DataUnavailable e) {
                } catch (CorruptDataException e) {
                }
            if (process == null || isProcessForEnvironment(environ, addressSpace1, process1)) {
                addressSpace = addressSpace1;
                process = process1;
                if (vb)
                    System.out.println("default process for Runtime");
            }
        }
    }
    if (null != process) {
        // z/OS can have 64-bit or 31-bit processes, Java only reports 64-bit or 32-bit.
        if (process.getPointerSize() != pointerSize && !(process.getPointerSize() == 31 && pointerSize == 32)) {
            System.out.println("XML and core file pointer sizes differ " + process.getPointerSize() + "!=" + pointerSize);
        }
    } else {
        throw new IllegalStateException("No process found in the dump.");
    }
    imageRef[0] = _coreImage;
    addressSpaceRef[0] = addressSpace;
    processRef[0] = process;
}

Example 8 with CorruptDataException

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

the class NodeJavaVM method didFinishParsing.

public void didFinishParsing() {
    Iterator classLoaders = _runtime.getJavaClassLoaders();
    while (classLoaders.hasNext()) {
        Object potentialClassLoader = classLoaders.next();
        if (potentialClassLoader instanceof JavaClassLoader) {
            JavaClassLoader loader = (JavaClassLoader) potentialClassLoader;
            // sets the associated object
            try {
                Object potentialLoaderObject = loader.getObject();
                if (null != potentialLoaderObject && potentialLoaderObject instanceof com.ibm.dtfj.java.j9.JavaObject) {
                    JavaObject loaderObject = (com.ibm.dtfj.java.j9.JavaObject) potentialLoaderObject;
                    loaderObject.setAssociatedClassLoader(loader);
                    _runtime.addSpecialObject(loaderObject);
                    Iterator classes = loader.getDefinedClasses();
                    while (classes.hasNext()) {
                        Object potentialClass = classes.next();
                        if (potentialClass instanceof JavaClass) {
                            JavaClass theClass = (JavaClass) potentialClass;
                            try {
                                Object potentialClassObject = theClass.getObject();
                                if (null != potentialClassObject && potentialClassObject instanceof com.ibm.dtfj.java.j9.JavaObject) {
                                    JavaObject classObject = (com.ibm.dtfj.java.j9.JavaObject) potentialClassObject;
                                    classObject.setAssociatedClass(theClass);
                                    _runtime.addSpecialObject(classObject);
                                }
                            } catch (CorruptDataException e) {
                            // no reason to skip the other classloaders/classes just because an exception is thrown on one class
                            } catch (IllegalArgumentException e) {
                            // CMVC 173262 : JavaClass.getObject() uses JavaHeap.getObjectAtAddress() which can throw this exception
                            }
                        }
                    }
                }
            } catch (CorruptDataException e) {
            // associated object not set
            }
        }
    }
    Iterator monitors = _runtime.getMonitors();
    while (monitors.hasNext()) {
        Object potentialMonitor = monitors.next();
        if (potentialMonitor instanceof JavaMonitor) {
            JavaMonitor monitor = (JavaMonitor) potentialMonitor;
            // sets the associated object
            Object potentialMonitorObject = monitor.getObject();
            if (null != potentialMonitorObject && potentialMonitorObject instanceof com.ibm.dtfj.java.j9.JavaObject) {
                JavaObject monitorObject = (com.ibm.dtfj.java.j9.JavaObject) potentialMonitorObject;
                monitorObject.setAssociatedMonitor(monitor);
                _runtime.addSpecialObject(monitorObject);
            }
        }
    }
    Iterator threads = _runtime.getThreads();
    while (threads.hasNext()) {
        Object potentialThread = threads.next();
        if (potentialThread instanceof JavaThread) {
            JavaThread thread = (JavaThread) potentialThread;
            // sets the associated object
            try {
                Object potentialThreadObject = thread.getObject();
                if (null != potentialThreadObject && potentialThreadObject instanceof com.ibm.dtfj.java.j9.JavaObject) {
                    JavaObject threadObject = (com.ibm.dtfj.java.j9.JavaObject) potentialThreadObject;
                    threadObject.setAssociatedThread(thread);
                    _runtime.addSpecialObject(threadObject);
                }
            } catch (CorruptDataException e) {
            // associated object not set
            }
        }
    }
}

Example 9 with CorruptDataException

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

the class InfoThreadCommand method printJavaStackFrameInfo.

private void printJavaStackFrameInfo(JavaThread jt) {
    Iterator itStackFrame;
    JavaStackFrame jsf;
    JavaLocation jl;
    itStackFrame = jt.getStackFrames();
    if (!itStackFrame.hasNext()) {
        out.print("<no frames to print>\n");
        return;
    } else {
        out.print("\n");
    }
    while (itStackFrame.hasNext()) {
        // this iterator can contain JavaStackFrame or CorruptData objects
        Object next = itStackFrame.next();
        if (next instanceof CorruptData) {
            out.print("     " + Exceptions.getCorruptDataExceptionString() + "\n");
            return;
        } else {
            jsf = (JavaStackFrame) next;
        }
        try {
            jl = jsf.getLocation();
        } catch (CorruptDataException e) {
            out.print("     " + Exceptions.getCorruptDataExceptionString() + "\n");
            logger.log(Level.FINEST, Exceptions.getCorruptDataExceptionString(), e);
            return;
        }
        out.print("     bp: ");
        try {
            out.print(toAdjustedHex(jsf.getBasePointer().getAddress()));
        } catch (CorruptDataException e) {
            // jsf.getBasePointer() can't throw DataUnavailable, so we don't know if this is really
            // a corruption. Log the exception but revert to issuing a DataUnavailable message.
            out.print(Exceptions.getDataUnavailableString());
            logger.log(Level.FINEST, Exceptions.getCorruptDataExceptionString(), e);
        }
        out.print("  method: ");
        try {
            String signature = null;
            try {
                signature = jl.getMethod().getSignature();
            } catch (CorruptDataException e) {
                // jl.getMethod() can't throw DataUnavailable, so we don't know if this is really a
                // corruption.  I don't think we need to be pedantic and insert 'not available' where
                // the return type and the parameter types would be. Just print class name and method.
                logger.log(Level.FINEST, Exceptions.getCorruptDataExceptionString(), e);
            }
            if (signature == null) {
                out.print(jl.getMethod().getDeclaringClass().getName() + "." + jl.getMethod().getName());
            } else {
                out.print(Utils.getReturnValueName(signature) + " " + jl.getMethod().getDeclaringClass().getName() + "." + jl.getMethod().getName() + Utils.getMethodSignatureName(signature));
            }
        } catch (CorruptDataException e) {
            out.print(Exceptions.getCorruptDataExceptionString());
            logger.log(Level.FINEST, Exceptions.getCorruptDataExceptionString(), e);
        } catch (DataUnavailable e) {
            out.print(Exceptions.getDataUnavailableString());
            logger.log(Level.FINEST, Exceptions.getDataUnavailableString(), e);
        }
        // Assume the method is a java method in case of corrupt data.
        boolean isNative = false;
        try {
            isNative = Modifier.isNative(jl.getMethod().getModifiers());
        } catch (CorruptDataException e) {
            logger.log(Level.FINEST, Exceptions.getCorruptDataExceptionString(), e);
        }
        if (!isNative) {
            out.print("  source: ");
            try {
                out.print(jl.getFilename());
            } catch (DataUnavailable d) {
                out.print(Exceptions.getDataUnavailableString());
                logger.log(Level.FINEST, Exceptions.getDataUnavailableString(), d);
            } catch (CorruptDataException e) {
                out.print(Exceptions.getCorruptDataExceptionString());
                logger.log(Level.FINEST, Exceptions.getCorruptDataExceptionString(), e);
            }
            out.print(":");
            try {
                out.print(Integer.toString(jl.getLineNumber()));
            } catch (DataUnavailable d) {
                out.print(Exceptions.getDataUnavailableString());
                logger.log(Level.FINE, Exceptions.getDataUnavailableString(), d);
            } catch (CorruptDataException e) {
                out.print(Exceptions.getCorruptDataExceptionString());
                logger.log(Level.FINEST, Exceptions.getCorruptDataExceptionString(), e);
            }
        } else {
            out.print("  (Native Method)");
        }
        out.print("\n      objects:");
        Iterator itObjectRefs = jsf.getHeapRoots();
        if (!itObjectRefs.hasNext()) {
            out.print(" <no objects in this frame>");
        }
        while (itObjectRefs.hasNext()) {
            Object nextRef = itObjectRefs.next();
            if (nextRef instanceof CorruptData) {
                out.print(Exceptions.getCorruptDataExceptionString() + "\n");
                // give up on this frame
                break;
            } else {
                JavaReference jr = (JavaReference) nextRef;
                try {
                    if (jr.isObjectReference()) {
                        JavaObject target = (JavaObject) (jr.getTarget());
                        out.print(" " + Utils.toHex(target.getID().getAddress()));
                    }
                } catch (DataUnavailable d) {
                    out.print(Exceptions.getDataUnavailableString());
                    logger.log(Level.FINEST, Exceptions.getDataUnavailableString(), d);
                } catch (CorruptDataException e) {
                    out.print(Exceptions.getCorruptDataExceptionString());
                    logger.log(Level.FINEST, Exceptions.getCorruptDataExceptionString(), e);
                } catch (NullPointerException n) {
                    out.print(Exceptions.getDataUnavailableString());
                    logger.log(Level.FINEST, Exceptions.getDataUnavailableString(), n);
                }
            }
        }
        out.print("\n");
    }
}

Example 10 with CorruptDataException

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

the class XKCommand method printSymbol.

private boolean printSymbol(long pointer, long diff, int pointerSize) {
    ImageProcess ip = ctx.getProcess();
    Iterator itModule;
    try {
        itModule = ip.getLibraries();
    } catch (CorruptDataException e) {
        // FIXME
        itModule = null;
    } catch (DataUnavailable e) {
        // FIXME
        itModule = null;
    }
    while (null != itModule && itModule.hasNext()) {
        ImageModule im = (ImageModule) itModule.next();
        Iterator itImageSection = im.getSections();
        while (itImageSection.hasNext()) {
            ImageSection is = (ImageSection) itImageSection.next();
            long startAddr = is.getBaseAddress().getAddress();
            long endAddr = startAddr + is.getSize();
            if (pointer >= startAddr && pointer < endAddr) {
                /* can we find a matching symbol? */
                long maxDifference = pointer - startAddr;
                ImageSymbol bestSymbol = null;
                for (Iterator iter = im.getSymbols(); iter.hasNext(); ) {
                    Object next = iter.next();
                    if (next instanceof CorruptData)
                        continue;
                    ImageSymbol symbol = (ImageSymbol) next;
                    long symbolAddress = symbol.getAddress().getAddress();
                    if (symbolAddress <= pointer && pointer - symbolAddress < maxDifference) {
                        maxDifference = pointer - symbolAddress;
                        bestSymbol = symbol;
                    }
                }
                try {
                    out.print(im.getName());
                } catch (CorruptDataException e) {
                    out.print(Exceptions.getCorruptDataExceptionString());
                }
                out.print("::");
                if (bestSymbol == null) {
                    out.print(is.getName());
                } else {
                    out.print(bestSymbol.getName());
                }
                out.print("+");
                out.print(Long.toString(maxDifference));
                // trying to find it elsewhere in the address space
                return true;
            }
        }
    }
    return false;
}