Examples with MBeanException javax.management.MBeanException used on opensource projects

Example 1 with MBeanException

use of javax.management.MBeanException in project jetty.project by eclipse.

the class ObjectMBean method getAttribute.

/* ------------------------------------------------------------ */
public Object getAttribute(String name) throws AttributeNotFoundException, MBeanException, ReflectionException {
    Method getter = (Method) _getters.get(name);
    if (getter == null) {
        throw new AttributeNotFoundException(name);
    }
    try {
        Object o = _managed;
        if (getter.getDeclaringClass().isInstance(this))
            // mbean method
            o = this;
        // get the attribute
        Object r = getter.invoke(o, (java.lang.Object[]) null);
        // convert to ObjectName if the type has the @ManagedObject annotation
        if (r != null) {
            if (r.getClass().isArray()) {
                if (r.getClass().getComponentType().isAnnotationPresent(ManagedObject.class)) {
                    ObjectName[] on = new ObjectName[Array.getLength(r)];
                    for (int i = 0; i < on.length; i++) {
                        on[i] = _mbeanContainer.findMBean(Array.get(r, i));
                    }
                    r = on;
                }
            } else if (r instanceof Collection<?>) {
                @SuppressWarnings("unchecked") Collection<Object> c = (Collection<Object>) r;
                if (!c.isEmpty() && c.iterator().next().getClass().isAnnotationPresent(ManagedObject.class)) {
                    // check the first thing out
                    ObjectName[] on = new ObjectName[c.size()];
                    int i = 0;
                    for (Object obj : c) {
                        on[i++] = _mbeanContainer.findMBean(obj);
                    }
                    r = on;
                }
            } else {
                Class<?> clazz = r.getClass();
                while (clazz != null) {
                    if (clazz.isAnnotationPresent(ManagedObject.class)) {
                        ObjectName mbean = _mbeanContainer.findMBean(r);
                        if (mbean != null) {
                            return mbean;
                        } else {
                            return null;
                        }
                    }
                    clazz = clazz.getSuperclass();
                }
            }
        }
        return r;
    } catch (IllegalAccessException e) {
        LOG.warn(Log.EXCEPTION, e);
        throw new AttributeNotFoundException(e.toString());
    } catch (InvocationTargetException e) {
        LOG.warn(Log.EXCEPTION, e);
        throw new ReflectionException(new Exception(e.getCause()));
    }
}

Example 2 with MBeanException

use of javax.management.MBeanException in project jetty.project by eclipse.

the class ObjectMBean method invoke.

/* ------------------------------------------------------------ */
public Object invoke(String name, Object[] params, String[] signature) throws MBeanException, ReflectionException {
    if (LOG.isDebugEnabled())
        LOG.debug("ObjectMBean:invoke " + name);
    String methodKey = name + "(";
    if (signature != null)
        for (int i = 0; i < signature.length; i++) methodKey += (i > 0 ? "," : "") + signature[i];
    methodKey += ")";
    ClassLoader old_loader = Thread.currentThread().getContextClassLoader();
    try {
        Thread.currentThread().setContextClassLoader(_loader);
        Method method = (Method) _methods.get(methodKey);
        if (method == null)
            throw new NoSuchMethodException(methodKey);
        Object o = _managed;
        if (method.getDeclaringClass().isInstance(this)) {
            o = this;
        }
        return method.invoke(o, params);
    } catch (NoSuchMethodException e) {
        LOG.warn(Log.EXCEPTION, e);
        throw new ReflectionException(e);
    } catch (IllegalAccessException e) {
        LOG.warn(Log.EXCEPTION, e);
        throw new MBeanException(e);
    } catch (InvocationTargetException e) {
        LOG.warn(Log.EXCEPTION, e);
        throw new ReflectionException(new Exception(e.getCause()));
    } finally {
        Thread.currentThread().setContextClassLoader(old_loader);
    }
}

Example 3 with MBeanException

use of javax.management.MBeanException in project hbase by apache.

the class JSONBean method write.

/**
   * @param mBeanServer
   * @param qry
   * @param attribute
   * @param description
   * @return Return non-zero if failed to find bean. 0
   * @throws IOException
   */
private static int write(final JsonGenerator jg, final MBeanServer mBeanServer, ObjectName qry, String attribute, final boolean description) throws IOException {
    LOG.trace("Listing beans for " + qry);
    Set<ObjectName> names = null;
    names = mBeanServer.queryNames(qry, null);
    jg.writeArrayFieldStart("beans");
    Iterator<ObjectName> it = names.iterator();
    while (it.hasNext()) {
        ObjectName oname = it.next();
        MBeanInfo minfo;
        String code = "";
        String descriptionStr = null;
        Object attributeinfo = null;
        try {
            minfo = mBeanServer.getMBeanInfo(oname);
            code = minfo.getClassName();
            if (description)
                descriptionStr = minfo.getDescription();
            String prs = "";
            try {
                if ("org.apache.commons.modeler.BaseModelMBean".equals(code)) {
                    prs = "modelerType";
                    code = (String) mBeanServer.getAttribute(oname, prs);
                }
                if (attribute != null) {
                    prs = attribute;
                    attributeinfo = mBeanServer.getAttribute(oname, prs);
                }
            } catch (RuntimeMBeanException e) {
                // so no need to log them as errors all the time.
                if (e.getCause() instanceof UnsupportedOperationException) {
                    if (LOG.isTraceEnabled()) {
                        LOG.trace("Getting attribute " + prs + " of " + oname + " threw " + e);
                    }
                } else {
                    LOG.error("Getting attribute " + prs + " of " + oname + " threw an exception", e);
                }
                return 0;
            } catch (AttributeNotFoundException e) {
                // If the modelerType attribute was not found, the class name is used
                // instead.
                LOG.error("getting attribute " + prs + " of " + oname + " threw an exception", e);
            } catch (MBeanException e) {
                // The code inside the attribute getter threw an exception so log it,
                // and fall back on the class name
                LOG.error("getting attribute " + prs + " of " + oname + " threw an exception", e);
            } catch (RuntimeException e) {
                // For some reason even with an MBeanException available to them
                // Runtime exceptionscan still find their way through, so treat them
                // the same as MBeanException
                LOG.error("getting attribute " + prs + " of " + oname + " threw an exception", e);
            } catch (ReflectionException e) {
                // This happens when the code inside the JMX bean (setter?? from the
                // java docs) threw an exception, so log it and fall back on the
                // class name
                LOG.error("getting attribute " + prs + " of " + oname + " threw an exception", e);
            }
        } catch (InstanceNotFoundException e) {
            //Ignored for some reason the bean was not found so don't output it
            continue;
        } catch (IntrospectionException e) {
            // This is an internal error, something odd happened with reflection so
            // log it and don't output the bean.
            LOG.error("Problem while trying to process JMX query: " + qry + " with MBean " + oname, e);
            continue;
        } catch (ReflectionException e) {
            // This happens when the code inside the JMX bean threw an exception, so
            // log it and don't output the bean.
            LOG.error("Problem while trying to process JMX query: " + qry + " with MBean " + oname, e);
            continue;
        }
        jg.writeStartObject();
        jg.writeStringField("name", oname.toString());
        if (description && descriptionStr != null && descriptionStr.length() > 0) {
            jg.writeStringField("description", descriptionStr);
        }
        jg.writeStringField("modelerType", code);
        if (attribute != null && attributeinfo == null) {
            jg.writeStringField("result", "ERROR");
            jg.writeStringField("message", "No attribute with name " + attribute + " was found.");
            jg.writeEndObject();
            jg.writeEndArray();
            jg.close();
            return -1;
        }
        if (attribute != null) {
            writeAttribute(jg, attribute, descriptionStr, attributeinfo);
        } else {
            MBeanAttributeInfo[] attrs = minfo.getAttributes();
            for (int i = 0; i < attrs.length; i++) {
                writeAttribute(jg, mBeanServer, oname, description, attrs[i]);
            }
        }
        jg.writeEndObject();
    }
    jg.writeEndArray();
    return 0;
}

Example 4 with MBeanException

use of javax.management.MBeanException in project jdk8u_jdk by JetBrains.

the class MBeanExceptionTest method main.

public static void main(String[] args) throws Exception {
    System.out.println("Test that if an MBean throws RuntimeException " + "it is wrapped in RuntimeMBeanException,");
    System.out.println("and if a Standard MBean throws Exception " + "it is wrapped in MBeanException");
    MBeanServer mbs = MBeanServerFactory.newMBeanServer();
    Object standard = new Except();
    ObjectName standardName = new ObjectName(":name=Standard MBean");
    Object standardMBean = new StandardMBean(new Except(), ExceptMBean.class);
    ObjectName standardMBeanName = new ObjectName(":name=Instance of StandardMBean");
    Object dynamic = new DynamicExcept();
    ObjectName dynamicName = new ObjectName(":name=Dynamic MBean");
    mbs.registerMBean(standard, standardName);
    mbs.registerMBean(standardMBean, standardMBeanName);
    mbs.registerMBean(dynamic, dynamicName);
    int failures = 0;
    failures += test(mbs, standardName, true);
    failures += test(mbs, standardMBeanName, true);
    failures += test(mbs, dynamicName, false);
    final boolean[] booleans = { false, true };
    for (boolean runtimeX : booleans) {
        Class<? extends Exception> excC = runtimeX ? RuntimeMBeanException.class : MBeanException.class;
        String excS = runtimeX ? "a RuntimeMBeanException" : "an MBeanException";
        String mbsS = "a plain MBeanServer";
        System.out.println("Test that, with " + mbsS + ", " + excS + " is wrapped " + "in " + excS);
        // is wrapped in an MBeanException".
        try {
            mbs.createMBean(Except.class.getName(), new ObjectName(":name=Oops"), new Object[] { runtimeX }, new String[] { boolean.class.getName() });
            System.out.println("FAIL: createMBean succeeded but should not have");
            failures++;
        } catch (Exception e) {
            if (!excC.isInstance(e)) {
                System.out.println("FAIL: expected " + excC.getName() + " from " + "createMBean, got " + e);
                failures++;
            } else {
                Throwable cause = e.getCause();
                if (!excC.isInstance(cause)) {
                    System.out.println("FAIL: expected " + excC.getName() + " as cause of " + excC.getName() + ", got " + e);
                    failures++;
                } else
                    System.out.println("...ok");
            }
        }
    }
    if (failures == 0)
        System.out.println("Test passed");
    else {
        System.out.println("TEST FAILED: " + failures + " failure(s)");
        System.exit(1);
    }
}

Example 5 with MBeanException

use of javax.management.MBeanException in project jdk8u_jdk by JetBrains.

the class MXBeanExceptionHandlingTest method run.

public void run(Map<String, Object> args) {
    System.out.println("MXBeanExceptionHandlingTest::run: Start");
    int errorCount = 0;
    try {
        parseArgs(args);
        notifList = new ArrayBlockingQueue<Notification>(numOfNotifications);
        // JMX MbeanServer used inside single VM as if remote.
        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
        JMXServiceURL url = new JMXServiceURL("rmi", null, 0);
        JMXConnectorServer cs = JMXConnectorServerFactory.newJMXConnectorServer(url, null, mbs);
        cs.start();
        JMXServiceURL addr = cs.getAddress();
        JMXConnector cc = JMXConnectorFactory.connect(addr);
        MBeanServerConnection mbsc = cc.getMBeanServerConnection();
        // ----
        System.out.println("Add me as notification listener");
        mbsc.addNotificationListener(MBeanServerDelegate.DELEGATE_NAME, this, null, null);
        System.out.println("---- OK\n");
        // ----
        System.out.println("Create and register the MBean");
        ObjectName objName = new ObjectName("sqe:type=Basic,protocol=rmi");
        mbsc.createMBean(BASIC_MXBEAN_CLASS_NAME, objName);
        System.out.println("---- OK\n");
        // ----
        System.out.println("Call method throwException on our MXBean");
        try {
            mbsc.invoke(objName, "throwException", null, null);
            errorCount++;
            System.out.println("(ERROR) Did not get awaited MBeanException");
        } catch (MBeanException mbe) {
            System.out.println("(OK) Got awaited MBeanException");
            Throwable cause = mbe.getCause();
            if (cause instanceof java.lang.Exception) {
                System.out.println("(OK) Cause is of the right class");
                String mess = cause.getMessage();
                if (mess.equals(Basic.EXCEPTION_MESSAGE)) {
                    System.out.println("(OK) Cause message is fine");
                } else {
                    errorCount++;
                    System.out.println("(ERROR) Cause has message " + cause.getMessage() + " as we expect " + Basic.EXCEPTION_MESSAGE);
                }
            } else {
                errorCount++;
                System.out.println("(ERROR) Cause is of  class " + cause.getClass().getName() + " as we expect java.lang.Exception");
            }
        } catch (Exception e) {
            errorCount++;
            System.out.println("(ERROR) Did not get awaited MBeanException but " + e);
            Utils.printThrowable(e, true);
        }
        System.out.println("---- DONE\n");
        // ----
        System.out.println("Call method throwError on our MXBean");
        try {
            mbsc.invoke(objName, "throwError", null, null);
            errorCount++;
            System.out.println("(ERROR) Did not get awaited RuntimeErrorException");
        } catch (RuntimeErrorException ree) {
            System.out.println("(OK) Got awaited RuntimeErrorException");
            Throwable cause = ree.getCause();
            if (cause instanceof java.lang.InternalError) {
                System.out.println("(OK) Cause is of the right class");
                String mess = cause.getMessage();
                if (mess.equals(Basic.EXCEPTION_MESSAGE)) {
                    System.out.println("(OK) Cause message is fine");
                } else {
                    errorCount++;
                    System.out.println("(ERROR) Cause has message " + cause.getMessage() + " as we expect " + Basic.EXCEPTION_MESSAGE);
                }
            } else {
                errorCount++;
                System.out.println("(ERROR) Cause is of  class " + cause.getClass().getName() + " as we expect java.lang.InternalError");
            }
        } catch (Exception e) {
            errorCount++;
            System.out.println("(ERROR) Did not get awaited RuntimeErrorException but " + e);
            Utils.printThrowable(e, true);
        }
        System.out.println("---- DONE\n");
        // ----
        System.out.println("Unregister the MBean");
        mbsc.unregisterMBean(objName);
        System.out.println("---- OK\n");
        Thread.sleep(timeForNotificationInSeconds * 1000);
        int numOfReceivedNotif = notifList.size();
        if (numOfReceivedNotif == numOfNotifications) {
            System.out.println("(OK) We received " + numOfNotifications + " Notifications");
        } else {
            errorCount++;
            System.out.println("(ERROR) We received " + numOfReceivedNotif + " Notifications in place of " + numOfNotifications);
        }
    } catch (Exception e) {
        Utils.printThrowable(e, true);
        throw new RuntimeException(e);
    }
    if (errorCount == 0) {
        System.out.println("MXBeanExceptionHandlingTest::run: Done without any error");
    } else {
        System.out.println("MXBeanExceptionHandlingTest::run: Done with " + errorCount + " error(s)");
        throw new RuntimeException("errorCount = " + errorCount);
    }
}