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

Example 1 with IntrospectionException

use of javax.management.IntrospectionException 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 2 with IntrospectionException

use of javax.management.IntrospectionException in project hive by apache.

the class JMXJsonServlet method listBeans.

// --------------------------------------------------------- Private Methods
private void listBeans(JsonGenerator jg, ObjectName qry, String attribute, HttpServletResponse response) throws IOException {
    LOG.debug("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 = "";
        Object attributeinfo = null;
        try {
            minfo = mBeanServer.getMBeanInfo(oname);
            code = minfo.getClassName();
            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 (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 exceptions can 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());
        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();
            response.setStatus(HttpServletResponse.SC_NOT_FOUND);
            return;
        }
        if (attribute != null) {
            writeAttribute(jg, attribute, attributeinfo);
        } else {
            MBeanAttributeInfo[] attrs = minfo.getAttributes();
            for (int i = 0; i < attrs.length; i++) {
                writeAttribute(jg, oname, attrs[i]);
            }
        }
        jg.writeEndObject();
    }
    jg.writeEndArray();
}

Example 3 with IntrospectionException

use of javax.management.IntrospectionException in project geode by apache.

the class MBeanUtil method printBeanDetails.

public static void printBeanDetails(ObjectName objName) throws Exception {
    MBeanAttributeInfo[] attributeInfos;
    MBeanInfo info = null;
    try {
        info = mbeanServer.getMBeanInfo(objName);
    } catch (IntrospectionException e1) {
        fail("Could not obtain Sender Proxy Details");
    } catch (InstanceNotFoundException e1) {
        fail("Could not obtain Sender Proxy Details");
    } catch (ReflectionException e1) {
        fail("Could not obtain Sender Proxy Details");
    }
    attributeInfos = info.getAttributes();
    for (MBeanAttributeInfo attributeInfo : attributeInfos) {
        Object propertyValue = null;
        String propertyName = null;
        try {
            propertyName = attributeInfo.getName();
            propertyValue = mbeanServer.getAttribute(objName, propertyName);
            LogWriterUtils.getLogWriter().info("<ExpectedString> " + propertyName + " = " + propertyValue + "</ExpectedString> ");
        } catch (Exception e) {
        }
    }
}

Example 4 with IntrospectionException

use of javax.management.IntrospectionException in project voldemort by voldemort.

the class JmxUtils method extractAttributeInfo.

/**
     * Extract all operations from the given object that have been annotated
     * with the Jmx annotation. Operations are all methods that are marked with
     * the JMX annotation and are not getters and setters (which are extracted
     * as attributes).
     * 
     * @param object The object to process
     * @return An array of attributes taken from the object
     */
public static ModelMBeanAttributeInfo[] extractAttributeInfo(Object object) {
    Map<String, Method> getters = new HashMap<String, Method>();
    Map<String, Method> setters = new HashMap<String, Method>();
    Map<String, String> descriptions = new HashMap<String, String>();
    for (Method m : object.getClass().getMethods()) {
        JmxGetter getter = m.getAnnotation(JmxGetter.class);
        if (getter != null) {
            getters.put(getter.name(), m);
            descriptions.put(getter.name(), getter.description());
        }
        JmxSetter setter = m.getAnnotation(JmxSetter.class);
        if (setter != null) {
            setters.put(setter.name(), m);
            descriptions.put(setter.name(), setter.description());
        }
    }
    Set<String> attributes = new HashSet<String>(getters.keySet());
    attributes.addAll(setters.keySet());
    List<ModelMBeanAttributeInfo> infos = new ArrayList<ModelMBeanAttributeInfo>();
    for (String name : attributes) {
        try {
            Method getter = getters.get(name);
            Method setter = setters.get(name);
            ModelMBeanAttributeInfo info = new ModelMBeanAttributeInfo(name, descriptions.get(name), getter, setter);
            Descriptor descriptor = info.getDescriptor();
            if (getter != null)
                descriptor.setField("getMethod", getter.getName());
            if (setter != null)
                descriptor.setField("setMethod", setter.getName());
            info.setDescriptor(descriptor);
            infos.add(info);
        } catch (IntrospectionException e) {
            throw new VoldemortException(e);
        }
    }
    return infos.toArray(new ModelMBeanAttributeInfo[infos.size()]);
}

Example 5 with IntrospectionException

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

the class XSheet method displayMBeanAttributesNode.

// Call on EDT
private void displayMBeanAttributesNode(final DefaultMutableTreeNode node) {
    final XNodeInfo uo = (XNodeInfo) node.getUserObject();
    if (!uo.getType().equals(Type.ATTRIBUTES)) {
        return;
    }
    mbean = (XMBean) uo.getData();
    final XMBean xmb = mbean;
    SwingWorker<MBeanInfo, Void> sw = new SwingWorker<MBeanInfo, Void>() {

        @Override
        public MBeanInfo doInBackground() throws InstanceNotFoundException, IntrospectionException, ReflectionException, IOException {
            MBeanInfo mbi = xmb.getMBeanInfo();
            return mbi;
        }

        @Override
        protected void done() {
            try {
                MBeanInfo mbi = get();
                if (mbi != null && mbi.getAttributes() != null && mbi.getAttributes().length > 0) {
                    mbeanAttributes.loadAttributes(xmb, mbi);
                    if (!isSelectedNode(node, currentNode)) {
                        return;
                    }
                    invalidate();
                    mainPanel.removeAll();
                    JPanel borderPanel = new JPanel(new BorderLayout());
                    borderPanel.setBorder(BorderFactory.createTitledBorder(Messages.ATTRIBUTE_VALUES));
                    borderPanel.add(new JScrollPane(mbeanAttributes));
                    mainPanel.add(borderPanel, BorderLayout.CENTER);
                    // add the refresh button to the south panel
                    southPanel.removeAll();
                    southPanel.add(refreshButton, BorderLayout.SOUTH);
                    southPanel.setVisible(true);
                    refreshButton.setEnabled(true);
                    validate();
                    repaint();
                }
            } catch (Exception e) {
                Throwable t = Utils.getActualException(e);
                if (JConsole.isDebug()) {
                    System.err.println("Problem displaying MBean " + "attributes for MBean [" + mbean.getObjectName() + "]");
                    t.printStackTrace();
                }
                showErrorDialog(t.toString(), Messages.PROBLEM_DISPLAYING_MBEAN);
            }
        }
    };
    sw.execute();
}