[JBoss JIRA] Created: (JBJMX-100) Class loader doesn't contain classes from MBean jar file when the MBean is redeployed.
by Doug Palmer (JIRA)
Class loader doesn't contain classes from MBean jar file when the MBean is redeployed.
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Key: JBJMX-100
URL: http://jira.jboss.com/jira/browse/JBJMX-100
Project: JBoss JMX
Issue Type: Bug
Affects Versions: JBossAS-4.0.0
Environment: Mac OSX and Windows XP
Reporter: Doug Palmer
This is a simplified version of a Deployer MBean that I have been writing. The MBean uses some jaxb generated classes. When the MBean is first deployed it's create method functions perfectly. However, if the MBean is redeployed then calling create fails because the class loader can't find the package "decs2.process_definition".
To replicate the problem execute the ant target named "deploy-all"; then run JBoss; then execute the ant target named "deploy".
If the package "decs2.process_definition" is is placed in a seperate jar file and that jar file is placed in the server/lib directory then the MBean redeploys successfully.
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17 years, 2 months
[JBoss JIRA] Created: (JBJMX-98) Monitoring Only Sends Single Notification Message
by Brian Husted (JIRA)
Monitoring Only Sends Single Notification Message
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Key: JBJMX-98
URL: http://jira.jboss.com/jira/browse/JBJMX-98
Project: JBoss JMX
Issue Type: Bug
Affects Versions: JBossAS-4.0.0
Environment: Windows 2000, Sun JDK 1.5, Single CPU 1GB RAM
Reporter: Brian Husted
I have configured a threshold monitoring mbean to monitor the QueueDepth on a JMS queue. When the QueueDepth is greater than 500, I have registered to receive a notification on the ConsoleAlterListener.
The problem is that only one notification is sent when the QueueDepth exceeds 500. The depth will go back down below 500 and minutes later it will again exceed 500 but a notificaiton is NOT sent. I did notice that if I click the clear-all-alerts button on the web-console then the notification will be sent again but only if you clear it each time it appears.
Below is my config for the threshold monitor. I have tested this with the ConsoleAlertMonitor and a custom MBeanListener and I experience the same problem with either configuration.
[Code]
<?xml version="1.0" encoding="UTF-8"?>
<server>
<mbean code="org.jboss.monitor.ThresholdMonitor"
name="jboss.monitor:service=SlaveQueue_Monitor">
<attribute name="MonitorName">SlaveQueue Monitor</attribute>
<depends optional-attribute-name="ObservedObject">jboss.mq.destination:service=Queue,name=B</depends>
<attribute name="ObservedAttribute">QueueDepth</attribute>
<depends-list optional-attribute-name="AlertListeners">
<depends-list-element>jboss.alerts:service=ConsoleAlertListener</depends-list-element>
</depends-list>
<attribute name="Threshold">500</attribute>
<attribute name="Period">2000</attribute>
<attribute name="CompareTo">-1</attribute>
<attribute name="Enabled">true</attribute>
</mbean>
</server>
[/Code]
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17 years, 2 months
[JBoss JIRA] Created: (JBMESSAGING-544) Use NBIO for connection model
by Tim Fox (JIRA)
Use NBIO for connection model
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Key: JBMESSAGING-544
URL: http://jira.jboss.com/jira/browse/JBMESSAGING-544
Project: JBoss Messaging
Issue Type: Task
Reporter: Tim Fox
Assigned To: Tim Fox
Fix For: 1.2.1
For throughput and scalability we need to use a non blocking IO model to provide connections between jms clients and server.
Unfortunately the JBoss remoting model does not currently allows this.
We can either drive JBoss Remoting to support this model (may take some time)
Or write out own connection functionality - this could be fairly straightforward if we use tools such as Apache MINA.
This would also solve the problem of providing a functional and performant multiplex transport.
Essentially we need a bidirectional channel between jms client and server. On either end bytes can be read or witten in a non blocking fashion.
On top of that we can introduce simple framing in order to provide multiplex functionality.
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17 years, 3 months
[JBoss JIRA] Created: (JBMESSAGING-604) Duplicate message detection
by Tim Fox (JIRA)
Duplicate message detection
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Key: JBMESSAGING-604
URL: http://jira.jboss.com/jira/browse/JBMESSAGING-604
Project: JBoss Messaging
Issue Type: Feature Request
Reporter: Tim Fox
Assigned To: Tim Fox
Fix For: 1.2.1
Whereas JMS requires once and only once *delivery* of messages, there are no such guarantees when sending messages to a queue/durable sub.
This can result in duplicate messages existing in a queue or durable sub.
For some clients this is unacceptable, so we should implement a feature which alerts to the presence of duplicates.
This can be done by keeping a persistent cache of message (or transaction) id on the server. Entries should time out after a period of time.
This will not remove duplicates 100% of the time since we cannot cache the previous values of id for ever, but only for a window.
See forum thread for more details
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17 years, 3 months
[JBoss JIRA] Created: (JBAS-3647) Backport SingleRetryInterceptor to 3.2
by Scott M Stark (JIRA)
Backport SingleRetryInterceptor to 3.2
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Key: JBAS-3647
URL: http://jira.jboss.com/jira/browse/JBAS-3647
Project: JBoss Application Server
Issue Type: Feature Request
Security Level: Public (Everyone can see)
Components: Clustering, EJB2
Affects Versions: JBossAS-3.2.8.SP1
Reporter: Scott M Stark
Assigned To: Brian Stansberry
A 3.2.8.SP1 client attempting to connect to a 4.0.4 clustered bean fails with the following error due to the SingleRetryInterceptor not being available in 3.2.8.SP1:
2006-09-12 16:44:30,178 [Thread-0::] - javax.naming.CommunicationException. Root exception is java.lang.ClassNotFoundException:
org.jboss.proxy.ejb.SingleRetryInterceptor (no security manager: RMI class loader disabled)
at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:318)
at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:132)
at sun.rmi.server.MarshalInputStream.resolveClass(MarshalInputStream.java:143)
at java.io.ObjectInputStream.inputClassDescriptor(ObjectInputStream.java:918)
We should backport this.
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17 years, 3 months