Examples with JVMNotDDREnabledException com.ibm.j9ddr.exceptions.JVMNotDDREnabledException used on opensource projects

Example 1 with JVMNotDDREnabledException

use of com.ibm.j9ddr.exceptions.JVMNotDDREnabledException in project openj9 by eclipse.

the class VMDataFactory method getBlobFromArchive.

private static ImageInputStream getBlobFromArchive(String path, IProcess process) throws IOException {
    InputStream blobFile = VMDataFactory.class.getResourceAsStream('/' + path);
    if (blobFile != null) {
        ImageInputStream iis = new InputStreamImageWrapper(blobFile);
        iis.setByteOrder(process.getByteOrder());
        return iis;
    } else {
        throw new JVMNotDDREnabledException(process, "DDR could not find VM structure data file " + path);
    }
}

Example 2 with JVMNotDDREnabledException

use of com.ibm.j9ddr.exceptions.JVMNotDDREnabledException in project openj9 by eclipse.

the class VMDataFactory method locateInServiceVMStructure.

// Locate InServiceStructure data for core with old J9RAS
private static ImageInputStream locateInServiceVMStructure(IProcess process) throws IOException {
    // we find the platform/architecture from the process, and look for J9VM build id
    // in process. Appropriate IOException thrown if any problem here.
    String path = getBlobBasedirInArchive(process);
    String j9vmid = getJ9VMBuildInCore(process);
    try {
        return getBlobFromArchive(path + j9vmid, process);
    } catch (IOException e) {
        // we can't find blob file for this build, try to give user enough info to make manual override
        // using (colon separated) blob index.
        InputStream indexIS = VMDataFactory.class.getResourceAsStream("/ddr.structurefiles.index");
        if (indexIS == null) {
            throw new JVMNotDDREnabledException(process, "DDR could not find VM structure data archive index. J9VM build ID: " + j9vmid + ". Platform: " + path + ". You can specify a structure file to use manually with the " + STRUCTUREFILE_PROPERTY + " system property.");
        }
        BufferedReader reader = new BufferedReader(new InputStreamReader(indexIS));
        String allBlobs = reader.readLine();
        String[] blobs = allBlobs.split(":");
        StringBuffer candidates = new StringBuffer();
        for (int i = 0; i < blobs.length; i++) {
            if (blobs[i].startsWith(path)) {
                if (candidates.length() != 0) {
                    candidates.append(", ");
                }
                candidates.append(blobs[i]);
            }
        }
        throw new JVMNotDDREnabledException(process, "DDR could not find VM structure data file. J9VM build ID: " + j9vmid + ". Platform: " + path + ". You can specify a structure file to use manually with the " + STRUCTUREFILE_PROPERTY + " system property." + (candidates.length() > 0 ? " Possible structure file matches: " + candidates.toString() + "." : ""));
    }
}

Example 3 with JVMNotDDREnabledException

use of com.ibm.j9ddr.exceptions.JVMNotDDREnabledException in project openj9 by eclipse.

the class DDRInteractive method locateRuntimes.

private void locateRuntimes(ICore reader) {
    currentCore = reader;
    Collection<? extends IAddressSpace> spaces = reader.getAddressSpaces();
    for (IAddressSpace thisSpace : spaces) {
        // indicates if a context has been allocated for the address space
        boolean hasCtxBeenAddedForAS = false;
        Collection<? extends IProcess> processes = thisSpace.getProcesses();
        for (IProcess thisProcess : processes) {
            hasCtxBeenAddedForAS = true;
            try {
                IVMData vmData = VMDataFactory.getVMData(thisProcess);
                if (vmData != null) {
                    contexts.add(new Context(thisProcess, vmData, nonVMCommands));
                } else {
                    addMissingJVMToContexts(thisProcess);
                }
            } catch (JVMNotDDREnabledException e) {
                addMissingJVMToContexts(thisProcess);
            } catch (JVMNotFoundException e) {
                addMissingJVMToContexts(thisProcess);
            } catch (MissingDDRStructuresException e) {
                addMissingJVMToContexts(thisProcess);
            } catch (IOException e) {
                System.err.println("Problem searching for VMData in process " + thisProcess);
                e.printStackTrace();
                // put the stack trace to the log
                Logger logger = Logger.getLogger(LoggerNames.LOGGER_INTERACTIVE_CONTEXT);
                StringWriter sw = new StringWriter();
                PrintWriter pw = new PrintWriter(sw);
                e.printStackTrace(pw);
                logger.logp(FINE, null, null, sw.toString());
            }
        }
        if (!hasCtxBeenAddedForAS) {
            ASNoProcess as = new ASNoProcess(thisSpace);
            addMissingJVMToContexts(as);
        }
    }
    if (contexts.size() == 0) {
        throw new RuntimeException("Couldn't find any address spaces in this dump");
    } else {
        // default to the first address space
        currentContext = contexts.get(0);
        for (Context ctx : contexts) {
            // but if there is one with a JVM in it, set it to that
            if (!(ctx.vmData instanceof MissingVMData)) {
                currentContext = ctx;
                break;
            }
        }
    }
}

Example 4 with JVMNotDDREnabledException

use of com.ibm.j9ddr.exceptions.JVMNotDDREnabledException in project openj9 by eclipse.

the class VMDataFactory method getJ9VMBuildInCore.

private static String getJ9VMBuildInCore(IProcess process) throws IOException {
    try {
        // Find J9VM build ID
        byte[] pattern = null;
        try {
            // "J9VM - YYYYMMDD_BUILD_FLAGS"
            pattern = "J9VM - ".getBytes("ASCII");
        } catch (UnsupportedEncodingException e) {
            // This shouldn't happen
            throw new Error(e);
        }
        long addr = process.findPattern(pattern, 1, 0);
        if (addr != -1) {
            // get string between first and second underscores
            // we can't hard-code offset as z/OS processes may contain extra bit
            long startBuildIDAddr = -1;
            for (long i = 0; i < 30; i++) {
                // search max of 30 bytes
                if (process.getByteAt(addr + i) == (byte) '_') {
                    if (startBuildIDAddr == -1) {
                        startBuildIDAddr = addr + i + 1;
                    } else {
                        // we've found second underscore
                        byte[] buildID = new byte[(int) (addr + i - startBuildIDAddr)];
                        for (int j = 0; j < addr + i - startBuildIDAddr; j++) {
                            buildID[j] = process.getByteAt(startBuildIDAddr + j);
                        }
                        return new String(buildID, "UTF-8");
                    }
                }
            }
        }
    } catch (MemoryFault e) {
        throw new IOException(e.getMessage());
    }
    throw new JVMNotDDREnabledException(process, "No J9VM build ID found in process");
}

Example 5 with JVMNotDDREnabledException

use of com.ibm.j9ddr.exceptions.JVMNotDDREnabledException in project openj9 by eclipse.

the class VMDataFactory method getAllVMData.

// TODO - fix this for z/OS which will require noting which RAS symbols have already been found in the core
/**
 * Finds all of the blobs in a given process and wraps them in a IVMData structure.
 *
 * @param process process to scan
 * @return all located blobs
 * @throws IOException re-throws IOExceptions
 */
public static synchronized List<IVMData> getAllVMData(IProcess process) throws IOException {
    List<IVMData> cachedVMData = vmDataCache.get(process);
    if (cachedVMData != null) {
        return cachedVMData;
    }
    // nothing in the cache for this process, so need to scan
    // Get an ImageInputStream on the Structure Offset Data.  This may or may not be in the core file itself.
    List<IVMData> data = new ArrayList<IVMData>();
    ImageInputStream in = null;
    // End Of Memory
    boolean EOM = false;
    long address = 0;
    j9RASAddress = 0;
    while (!EOM) {
        try {
            address = j9RASAddress + 1;
            in = getStructureDataFile(process, address);
            if (in != null) {
                EOM = !(in instanceof IMemoryImageInputStream);
                IVMData vmdata = getVMData(process, in);
                data.add(vmdata);
                if (vmdata.getClassLoader().getHeader().getCoreVersion() == 1) {
                    // version 1 does not support multiple blobs
                    EOM = true;
                    break;
                }
            } else {
                EOM = true;
            }
        } catch (JVMNotFoundException e) {
            // no more JVMs were found
            EOM = true;
        } catch (JVMNotDDREnabledException e) {
            // an older JVM was found, so ignore that and carry on looking
            // on z/OS a failure with the j9ras symbol resolution aborts the scan
            EOM = EOM | (process.getPlatform() == Platform.ZOS);
            continue;
        } catch (MissingDDRStructuresException e) {
            // cannot process as the structures are missing
            // on z/OS a failure with the j9ras symbol resolution aborts the scan
            EOM = EOM | (process.getPlatform() == Platform.ZOS);
            continue;
        } catch (CorruptStructuresException e) {
            // cannot process as the structures are corrupt and cannot be read
            // on z/OS a failure with the j9ras symbol resolution aborts the scan
            EOM = EOM | (process.getPlatform() == Platform.ZOS);
            continue;
        } catch (IOException e) {
            continue;
        }
    }
    // scan is switched off for Java-only applications (specifically jdmpview) via a system property.
    if ((System.getProperty(NOEXTRASEARCHFORNODE_PROPERTY) == null) && (data.size() == 0)) {
        StructureHeader header = null;
        try {
            header = findNodeVersion(process);
        } catch (Exception e) {
            if (e instanceof IOException) {
                throw (IOException) e;
            } else {
                IOException ioe = new IOException();
                // avoid use of IOException(throwable) to be compatible with J5
                ioe.initCause(e);
                throw ioe;
            }
        }
        if (header != null) {
            in = getBlobFromLibrary(process, header);
            if (in != null) {
                IVMData vmdata = getVMData(process, in);
                data.add(vmdata);
            }
        }
    }
    vmDataCache.put(process, data);
    return data;
}