Examples with ExceptionInfo org.apache.tapestry5.ioc.services.ExceptionInfo used on opensource projects

Example 1 with ExceptionInfo

use of org.apache.tapestry5.ioc.services.ExceptionInfo in project tapestry-5 by apache.

the class ExceptionReportWriterImpl method writeReport.

@Override
public void writeReport(final PrintWriter writer, ExceptionAnalysis analysis) {
    writer.printf("EXCEPTION STACK:%n%n");
    // Figure out what all the property names are so that we can set the width of the column that lists
    // property names.
    Flow<String> propertyNames = F.flow(analysis.getExceptionInfos()).mapcat(EXCEPTION_INFO_TO_PROPERTY_NAMES).append("Exception", "Message");
    PropertyWriter pw = newPropertyWriter(writer, propertyNames);
    boolean first = true;
    for (ExceptionInfo info : analysis.getExceptionInfos()) {
        if (first) {
            writer.println();
            first = false;
        }
        pw.write("Exception", info.getClassName());
        pw.write("Message", info.getMessage());
        for (String name : info.getPropertyNames()) {
            pw.write(name, info.getProperty(name));
        }
        if (!info.getStackTrace().isEmpty()) {
            writer.printf("%n  Stack trace:%n%n");
            for (StackTraceElement e : info.getStackTrace()) {
                writer.printf("  - %s%n", e.toString());
            }
        }
        writer.println();
    }
    Request request = requestGlobals.getRequest();
    if (request != null) {
        // New PropertyWriter based on the lengths of parameter names and header names, and a sample of
        // the literal keys.
        pw = newPropertyWriter(writer, F.flow(request.getParameterNames()).concat(request.getHeaderNames()).append("serverName", "removeHost"));
        writer.printf("REQUEST:%n%nBasic Information:%n%n");
        List<String> flags = CollectionFactory.newList();
        if (request.isXHR()) {
            flags.add("XHR");
        }
        if (request.isRequestedSessionIdValid()) {
            flags.add("requestedSessionIdValid");
        }
        if (request.isSecure()) {
            flags.add("secure");
        }
        pw.write("contextPath", contextPath);
        if (!flags.isEmpty()) {
            pw.write("flags", InternalUtils.joinSorted(flags));
        }
        pw.write("method", request.getMethod());
        pw.write("path", request.getPath());
        pw.write("locale", request.getLocale());
        pw.write("serverName", request.getServerName());
        pw.write("remoteHost", request.getRemoteHost());
        writer.printf("%nHeaders:%n%n");
        for (String name : request.getHeaderNames()) {
            pw.write(name, request.getHeader(name));
        }
        if (!request.getParameterNames().isEmpty()) {
            writer.printf("%nParameters:%n");
            for (String name : request.getParameterNames()) {
                // TODO: Support multi-value parameters
                pw.write(name, request.getParameters(name));
            }
        }
        Session session = request.getSession(false);
        if (session != null) {
            pw = newPropertyWriter(writer, session.getAttributeNames());
            writer.printf("%nSESSION:%n%n");
            for (String name : session.getAttributeNames()) {
                pw.write(name, session.getAttribute(name));
            }
        }
    }
    writer.printf("%nSYSTEM INFORMATION:");
    Runtime runtime = Runtime.getRuntime();
    writer.printf("%n%nMemory:%n  %,15d bytes free%n  %,15d bytes total%n  %,15d bytes max%n", runtime.freeMemory(), runtime.totalMemory(), runtime.maxMemory());
    Thread[] threads = TapestryInternalUtils.getAllThreads();
    int maxThreadNameLength = 0;
    for (Thread t : threads) {
        maxThreadNameLength = Math.max(maxThreadNameLength, t.getName().length());
    }
    String format = "%n%s %" + maxThreadNameLength + "s %s";
    writer.printf("%n%,d Threads:", threads.length);
    for (Thread t : threads) {
        writer.printf(format, Thread.currentThread() == t ? "*" : " ", t.getName(), t.getState().name());
        if (t.isDaemon()) {
            writer.write(", daemon");
        }
        if (!t.isAlive()) {
            writer.write(", NOT alive");
        }
        if (t.isInterrupted()) {
            writer.write(", interrupted");
        }
        if (t.getPriority() != Thread.NORM_PRIORITY) {
            writer.printf(", priority %d", t.getPriority());
        }
    }
    // Finish the final line.
    writer.println();
}

Example 2 with ExceptionInfo

use of org.apache.tapestry5.ioc.services.ExceptionInfo in project tapestry-5 by apache.

the class ExceptionAnalyzerImpl method extractData.

private ExceptionData extractData(Throwable t) {
    Map<String, Object> properties = CollectionFactory.newMap();
    ClassPropertyAdapter adapter = propertyAccess.getAdapter(t);
    Throwable cause = null;
    for (String name : adapter.getPropertyNames()) {
        PropertyAdapter pa = adapter.getPropertyAdapter(name);
        if (!pa.isRead())
            continue;
        if (cause == null && Throwable.class.isAssignableFrom(pa.getType())) {
            // Ignore the property, but track it as the cause.
            Throwable nestedException = (Throwable) pa.get(t);
            // Handle the case where an exception is its own cause (avoid endless loop!)
            if (t != nestedException)
                cause = nestedException;
            continue;
        }
        if (throwableProperties.contains(name))
            continue;
        Object value = pa.get(t);
        if (value == null)
            continue;
        // An interesting property, let's save it for the analysis.
        properties.put(name, value);
    }
    // Provide the stack trace only at the deepest exception.
    List<StackTraceElement> stackTrace = Collections.emptyList();
    if (cause == null)
        stackTrace = Arrays.asList(t.getStackTrace());
    ExceptionInfo info = new ExceptionInfoImpl(t, properties, stackTrace);
    return new ExceptionData(info, cause);
}

Example 3 with ExceptionInfo

use of org.apache.tapestry5.ioc.services.ExceptionInfo in project tapestry-5 by apache.

the class ExceptionAnalyzerImpl method analyze.

@Override
public ExceptionAnalysis analyze(Throwable rootException) {
    List<ExceptionInfo> list = CollectionFactory.newList();
    Throwable t = rootException;
    ExceptionInfo previousInfo = null;
    while (t != null) {
        ExceptionData data = extractData(t);
        ExceptionInfo info = data.exceptionInfo;
        if (addsValue(previousInfo, info)) {
            list.add(info);
            previousInfo = info;
        }
        t = data.cause;
    }
    return new ExceptionAnalysisImpl(list);
}