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

Example 6 with InstanceAlreadyExistsException

use of javax.management.InstanceAlreadyExistsException in project presto by prestodb.

the class RebindSafeMBeanServer method registerMBean.

/**
     * Delegates to the wrapped mbean server, but if a mbean is already registered
     * with the specified name, the existing instance is returned.
     */
@Override
public ObjectInstance registerMBean(Object object, ObjectName name) throws MBeanRegistrationException, NotCompliantMBeanException {
    while (true) {
        try {
            // try to register the mbean
            return mbeanServer.registerMBean(object, name);
        } catch (InstanceAlreadyExistsException ignored) {
        }
        try {
            // a mbean is already installed, try to return the already registered instance
            ObjectInstance objectInstance = mbeanServer.getObjectInstance(name);
            log.debug("%s already bound to %s", name, objectInstance);
            return objectInstance;
        } catch (InstanceNotFoundException ignored) {
        // the mbean was removed before we could get the reference
        // start the whole process over again
        }
    }
}

Example 7 with InstanceAlreadyExistsException

use of javax.management.InstanceAlreadyExistsException in project presto by prestodb.

the class RebindSafeMBeanServer method registerMBean.

/**
     * Delegates to the wrapped mbean server, but if a mbean is already registered
     * with the specified name, the existing instance is returned.
     */
@Override
public ObjectInstance registerMBean(Object object, ObjectName name) throws MBeanRegistrationException, NotCompliantMBeanException {
    while (true) {
        try {
            // try to register the mbean
            return mbeanServer.registerMBean(object, name);
        } catch (InstanceAlreadyExistsException ignored) {
        }
        try {
            // a mbean is already installed, try to return the already registered instance
            ObjectInstance objectInstance = mbeanServer.getObjectInstance(name);
            log.debug("%s already bound to %s", name, objectInstance);
            return objectInstance;
        } catch (InstanceNotFoundException ignored) {
        // the mbean was removed before we could get the reference
        // start the whole process over again
        }
    }
}

Example 8 with InstanceAlreadyExistsException

use of javax.management.InstanceAlreadyExistsException in project quasar by puniverse.

the class SimpleMBean method registerMBean.

protected void registerMBean() {
    try {
        MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
        ObjectName mxbeanName = new ObjectName(name);
        mbs.registerMBean(this, mxbeanName);
        this.registered = true;
    } catch (InstanceAlreadyExistsException ex) {
        throw new RuntimeException(ex);
    } catch (MBeanRegistrationException ex) {
        ex.printStackTrace();
    } catch (NotCompliantMBeanException ex) {
        throw new AssertionError(ex);
    } catch (MalformedObjectNameException ex) {
        throw new AssertionError(ex);
    }
}

Example 9 with InstanceAlreadyExistsException

use of javax.management.InstanceAlreadyExistsException in project redisson by redisson.

the class JCacheManager method enableManagement.

@Override
public void enableManagement(String cacheName, boolean enabled) {
    checkNotClosed();
    if (cacheName == null) {
        throw new NullPointerException();
    }
    JCache<?, ?> cache = caches.get(cacheName);
    if (cache == null) {
        throw new NullPointerException();
    }
    if (enabled) {
        JCacheManagementMXBean statBean = managementBeans.get(cache);
        if (statBean == null) {
            statBean = new JCacheManagementMXBean(cache);
            JCacheManagementMXBean oldBean = managementBeans.putIfAbsent(cache, statBean);
            if (oldBean != null) {
                statBean = oldBean;
            }
        }
        try {
            ObjectName objectName = queryNames("Configuration", cache);
            if (mBeanServer.queryNames(objectName, null).isEmpty()) {
                mBeanServer.registerMBean(statBean, objectName);
            }
        } catch (MalformedObjectNameException e) {
            throw new CacheException(e);
        } catch (InstanceAlreadyExistsException e) {
            throw new CacheException(e);
        } catch (MBeanRegistrationException e) {
            throw new CacheException(e);
        } catch (NotCompliantMBeanException e) {
            throw new CacheException(e);
        }
    } else {
        unregisterManagementBean(cache);
    }
    cache.getConfiguration(JCacheConfiguration.class).setManagementEnabled(enabled);
}

Example 10 with InstanceAlreadyExistsException

use of javax.management.InstanceAlreadyExistsException in project spring-framework by spring-projects.

the class MBeanRegistrationSupport method doRegister.

/**
	 * Actually register the MBean with the server. The behavior when encountering
	 * an existing MBean can be configured using {@link #setRegistrationPolicy}.
	 * @param mbean the MBean instance
	 * @param objectName the suggested ObjectName for the MBean
	 * @throws JMException if the registration failed
	 */
protected void doRegister(Object mbean, ObjectName objectName) throws JMException {
    ObjectName actualObjectName;
    synchronized (this.registeredBeans) {
        ObjectInstance registeredBean = null;
        try {
            registeredBean = this.server.registerMBean(mbean, objectName);
        } catch (InstanceAlreadyExistsException ex) {
            if (this.registrationPolicy == RegistrationPolicy.IGNORE_EXISTING) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Ignoring existing MBean at [" + objectName + "]");
                }
            } else if (this.registrationPolicy == RegistrationPolicy.REPLACE_EXISTING) {
                try {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Replacing existing MBean at [" + objectName + "]");
                    }
                    this.server.unregisterMBean(objectName);
                    registeredBean = this.server.registerMBean(mbean, objectName);
                } catch (InstanceNotFoundException ex2) {
                    logger.error("Unable to replace existing MBean at [" + objectName + "]", ex2);
                    throw ex;
                }
            } else {
                throw ex;
            }
        }
        // Track registration and notify listeners.
        actualObjectName = (registeredBean != null ? registeredBean.getObjectName() : null);
        if (actualObjectName == null) {
            actualObjectName = objectName;
        }
        this.registeredBeans.add(actualObjectName);
    }
    onRegister(actualObjectName, mbean);
}