CN106453686A - Connecting method and connecting device for JMX (Java Management Extensions) client - Google Patents
Connecting method and connecting device for JMX (Java Management Extensions) client Download PDFInfo
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- CN106453686A CN106453686A CN201611027195.4A CN201611027195A CN106453686A CN 106453686 A CN106453686 A CN 106453686A CN 201611027195 A CN201611027195 A CN 201611027195A CN 106453686 A CN106453686 A CN 106453686A
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- host
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/256—NAT traversal
- H04L61/2567—NAT traversal for reachability, e.g. inquiring the address of a correspondent behind a NAT server
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/2517—Translation of Internet protocol [IP] addresses using port numbers
Abstract
The invention relates to a connecting method and a connecting device for a JMX (Java Management Extensions) client. The connecting method for the JMX client comprises the steps of: according to the received modification instruction, modifying a return value generating mechanism of a connectorServer in a JMX server to generate a modified return value; and returning network node information and port information of a host machine to the JMX client by using the modified return value to establish a connection with the JMX client. By adopting the technical solution, JMX monitoring of cross-network connection is realized in a java instrumentation mode, so that the code is simple and the logic is clear.
Description
Technical field
The present invention relates to virtual machine monitoring technical field, in particular to a kind of method of attachment and of JMX client
Plant the attachment means of JMX client.
Background technology
JMX (Java Management Extensions) is a kind of for the implantation management such as application program, equipment and system
The framework of function, the architecture of application program defined in the Java programming language and network management and monitoring, design mould
Formula, application programming interfaces and service, are usually used JMX and come the running status of monitoring system or some aspects of management system,
Such as empty caching, reload configuration file etc..But in prior art, JMX does not support the process monitoring of across a network, and this is
Some applications are made troubles, such as just directly cannot carry out JMX monitoring to empty machine on X3 platform.
Therefore, the JMX monitoring how realizing across a network is connected to become technical problem urgently to be resolved hurrily.
Content of the invention
It is contemplated that at least solving one of technical problem present in above-mentioned prior art or correlation technique.
For this reason, it is an object of the present invention to proposing the method for attachment of JMX client.
Further object is that providing a kind of attachment means of JMX client.
For achieving the above object, embodiment according to the first aspect of the invention is it is proposed that a kind of connection of JMX client
Method, including：According to the modification instruction receiving, the machine of the generation return value of connectorServer in modification JMX server
System, generates amended return value；Using amended return value, return the network node information of host to JMX client
And port information, set up with JMX client and be connected.
The method of attachment of JMX client according to an embodiment of the invention, by changing in JMX service end
The mechanism of the generation return value of connectorServer (a kind of adapter service, for connecting monitoring client and monitored end) is come
Break through network to limit, JMX client can be made to set up with the virtual machine of JMX service end and be connected.I.e. in modification JMX server
Before the generation return value of connectorServer, client can only pass through network node and port and the virtual machine of host
Communicated, but the connectorServer address that JMX server end returns be the lan address that client cannot access,
Accordingly, it would be desirable to change the mechanism of the generation return value of connectorServer in JMX server, enable connectorServer
Enough return the IP (network node) and PORT (port) of host, using this amended return value, JMX server and JMX visitor
Family end establishes connection, in order to realize carrying out the virtual machine process monitoring of across a network using JMX client.
In addition, the method for attachment of JMX client according to the above embodiment of the present invention, can also have the skill added as follows
Art feature：
The method of attachment of the JMX client of embodiment is it is preferable that according to repairing of receiving according to a first aspect of the present invention
Change instruction, the mechanism of the generations return value of connectorServer in modification JMX server, the amended return value of generation it
Before, also include：According to the setting instruction receiving, change DEA code, add host to the network port mapping of virtual machine.
In this embodiment, in order to the serve port from outside access virtual machine, first have to change DEA code, add
Plus outer net (host) arrives the port mapping of Intranet (virtual machine).For example, Intranet IP of a virtual machine is 10.254.9.174,
Host IP is 172.18.4.240.After adding port mapping, 34823 ports of host can be passed through in 9999 ports of virtual machine
Access；34824 ports that host is passed through in 1099 ports of virtual machine access.If with jconsole connection server, then
Jconsole can be successfully connected to 172.18.4.240:34824, and obtain stub, therefore, by network port Mapping implementation
Virtual machine is connected with the first step of host.
The method of attachment of the JMX client of embodiment is it is preferable that according to the modification receiving according to a first aspect of the present invention
Instruction, in modification JMX server, the mechanism of the generation return value of connectorServer, generates amended return value, specifically
Including：Instrumentation based on java (a kind of independent of the Agent outside application program, to monitor and to assist
Run application program on a virtual machine) mechanism, the class file of virtual machine JMX server checks for agreement literary composition
Part；If agreement file exists, extract host value and port value from agreement file, host value and port value write are used for giving birth to
Become the write function of connectorServer return value, in order to generate amended return value；If agreement file does not exist,
Generate described amended return value using the original value of write function；Wherein, agreement file is starting J2EE by calculate node
Create before server processes, record network node information and the port information of host.
In this embodiment, java Instrumentation can monitor and assist to operate in the application program on JVM,
This monitoring and assistance include but is not limited to obtain JVM run time behaviour, and substitutions and modifications class defines etc.,
The maximum effect of Instrumentation is exactly dynamic change and the operation of class definition.Return connectorServer information
Code is realized by the write method of sun/rmi/transport/tcp/TCPEndpoint, in order to change returning of jmx server
Return value it is necessary to modify to the code of write (), allow it return host and port of host to client.By this
Amended return value can be set up with service end to be connected and carry out JMX monitoring.
The method of attachment of the JMX client of embodiment is it is preferable that JMX client includes according to a first aspect of the present invention：
Jconsole, JvisualVM and Jboss.
In this embodiment, JMX client and more than above-mentioned Jconsole or JvisualVM and
Jboss, it is achieved thereby that Jconsole, JvisualVM and Jboss client carries out across a network process monitoring by JMX, meets
The diversified demand of client.
According to a first aspect of the present invention the JMX client of embodiment method of attachment it is preferable that virtual machine and host with
The mode of network address translation connects.
In this embodiment, virtual machine and host are attached in the way of Network Address Translation, are convenient for network
Management, is capable of the access to Intranet equipment (as server) for the external network, concurrently facilitates saving IP address resource.
Embodiment according to a second aspect of the present invention it is also proposed that a kind of attachment means of JMX client, for monitoring void
Plan machine, including：Modification unit, according to the modification instruction receiving, the generation of connectorServer in modification JMX server
The mechanism of return value, generates amended return value；Connection unit, using amended return value, returns to place to JMX client
The network node information of main frame and port information, are set up with JMX client and are connected.
The attachment means of JMX client according to an embodiment of the invention, by changing in JMX service end
The mechanism of the generation return value of connectorServer (a kind of adapter service, for connecting monitoring client and monitored end) is come
Break through network to limit, JMX client can be made to set up with the virtual machine of JMX service end and be connected.I.e. in modification JMX server
Before the generation return value of connectorServer, client can only pass through network node and port and the virtual machine of host
Communicated, but the connectorServer address that JMX server end returns be the lan address that client cannot access,
Accordingly, it would be desirable to change the mechanism of the generation return value of connectorServer in JMX server, enable connectorServer
Enough return the IP (network node) and PORT (port) of host, using this amended return value, JMX server and JMX visitor
Family end establishes connection, in order to realize carrying out the virtual machine process monitoring of across a network using JMX client.
In addition, the attachment means of JMX client according to the above embodiment of the present invention, can also have the skill added as follows
Art feature：
The attachment means of the JMX client of embodiment, also include according to a second aspect of the present invention：Map unit, according to connecing
The setting instruction receiving, changes DEA code, adds host to the network port mapping of described virtual machine.
In this embodiment, in order to the serve port from outside access virtual machine, first have to change DEA code, add
Plus outer net (host) arrives the port mapping of Intranet (virtual machine).For example, Intranet IP of a virtual machine is 10.254.9.174,
Host IP is 172.18.4.240.After adding port mapping, 34823 ports of host can be passed through in 9999 ports of virtual machine
Access；34824 ports that host is passed through in 1099 ports of virtual machine access.If with jconsole connection server, then
Jconsole can be successfully connected to 172.18.4.240:34824, and obtain stub, therefore, by network port Mapping implementation
Virtual machine is connected with the first step of host.
The attachment means of the JMX client of embodiment, it is preferable that modification unit, are specifically used according to a second aspect of the present invention
In：Based on the instrumentation mechanism of java, check for arranging in the class file of virtual machine JMX server
File；If agreement file exists, extract host value and port value from agreement file, host value and port value write are used for
Generate the write function of connectorServer return value, in order to generate amended return value；If agreement file does not exist,
Then generate amended return value using the original value of write function；Wherein, agreement file is starting J2EE clothes by calculate node
Create before business device process, record network node information and the port information of host.
In this embodiment, java Instrumentation can monitor and assist to operate in the application program on JVM,
This monitoring and assistance include but is not limited to obtain JVM run time behaviour, and substitutions and modifications class defines etc.,
The maximum effect of Instrumentation is exactly dynamic change and the operation of class definition.Return connectorServer information
Code is realized by the write method of sun/rmi/transport/tcp/TCPEndpoint, in order to change returning of jmx server
Return value it is necessary to modify to the code of write (), allow it return host and port of host to client.By this
Amended return value can be set up with service end to be connected and carry out JMX monitoring.
The attachment means of the JMX client of embodiment are it is preferable that JMX client includes according to a second aspect of the present invention：
Jconsole, JvisualVM and Jboss.
In this embodiment, JMX client is more than above-mentioned Jconsole or JvisualVM and Jboss,
It is achieved thereby that Jconsole, JvisualVM and Jboss client carries out across a network process monitoring by JMX, meet client
Diversified demand.
According to a second aspect of the present invention the JMX client of embodiment attachment means it is preferable that virtual machine and host with
The mode of network address translation connects.
In this embodiment, virtual machine and host are attached in the way of Network Address Translation, are convenient for network
Management, is capable of the access to Intranet equipment (as server) for the external network, concurrently facilitates saving IP address resource.
Brief description
The above-mentioned and/or additional aspect of the present invention and advantage will become from reference to the description to embodiment for the accompanying drawings below
Substantially and easy to understand, wherein：
The flow chart that Fig. 1 shows the method for attachment of JMX client according to an embodiment of the invention；
Fig. 2 shows the block diagram of the attachment means of JMX client according to an embodiment of the invention；
Fig. 3 shows the schematic diagram of jconsole monitoring interface according to an embodiment of the invention；
Fig. 4 shows the schematic diagram of network connection in virtual machine according to an embodiment of the invention.
Specific embodiment
In order to be more clearly understood that the above objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specifically real
Mode of applying is further described in detail to the present invention.It should be noted that in the case of not conflicting, the enforcement of the application
Feature in example and embodiment can be mutually combined.
Elaborate a lot of details in the following description in order to fully understand the present invention, but, the present invention also may be used
To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not described below
Specific embodiment restriction.
The flow chart that Fig. 1 shows the method for attachment of JMX client according to an embodiment of the invention.
As shown in Figure 1 it is proposed that a kind of method of attachment of JMX client, including：Step 102, according to the modification receiving
Instruction, in modification JMX server, the mechanism of the generation return value of connectorServer, generates amended return value；Step
104, using amended return value, return network node information and the port information of host to JMX client, with JMX visitor
Family end is set up and is connected.
The method of attachment of JMX client according to an embodiment of the invention, by changing in JMX service end
The mechanism of the generation return value of connectorServer (a kind of adapter service, for connecting monitoring client and monitored end) is come
Break through network to limit, JMX client can be made to set up with the virtual machine of JMX service end and be connected.I.e. in modification JMX server
Before the generation return value of connectorServer, client can only pass through network node and port and the virtual machine of host
Communicated, but the connectorServer address that JMX server end returns be the lan address that client cannot access,
Accordingly, it would be desirable to change the mechanism of the generation return value of connectorServer in JMX server, enable connectorServer
Enough return the IP (network node) and PORT (port) of host, using this amended return value, JMX server and JMX visitor
Family end establishes connection, in order to realize carrying out the virtual machine process monitoring of across a network using JMX client.
In addition, the method for attachment of JMX client according to the above embodiment of the present invention, can also have the skill added as follows
Art feature：
The method of attachment of the JMX client of embodiment is it is preferable that before step 102, go back according to a first aspect of the present invention
Including：According to the setting instruction receiving, change DEA code, add host to the network port mapping of virtual machine.
In this embodiment, in order to the serve port from outside access virtual machine, first have to change DEA code, add
Plus outer net (host) arrives the port mapping of Intranet (virtual machine).For example, Intranet IP of a virtual machine is 10.254.9.174,
Host IP is 172.18.4.240.After adding port mapping, 34823 ports of host can be passed through in 9999 ports of virtual machine
Access；34824 ports that host is passed through in 1099 ports of virtual machine access.If with jconsole connection server, then
Jconsole can be successfully connected to 172.18.4.240:34824, and obtain stub, therefore, by network port Mapping implementation
The connection of virtual machine and host.
The method of attachment of the JMX client of embodiment is it is preferable that step 102 specifically includes according to a first aspect of the present invention：
Based on the instrumentation mechanism of java, the class file of virtual machine JMX server checks for agreement literary composition
Part；If agreement file exists, extract host value and port value from agreement file, host value and port value write are used for giving birth to
Become the write function of connectorServer return value, in order to generate amended return value；If agreement file does not exist,
Generate described amended return value using the original value of write function；Wherein, agreement file is starting J2EE by calculate node
Create before server processes, record network node information and the port information of host.
In this embodiment, java Instrumentation can monitor and assist to operate in the application program on JVM,
This monitoring and assistance include but is not limited to obtain JVM run time behaviour, and substitutions and modifications class defines etc.,
The maximum effect of Instrumentation is exactly dynamic change and the operation of class definition.Return connectorServer information
Code is realized by the write method of sun/rmi/transport/tcp/TCPEndpoint, in order to change returning of jmx server
Return value it is necessary to modify to the code of write (), allow it return host and port of host to client.By this
Amended return value can be set up with service end to be connected and carry out JMX monitoring.
Described agreement file created, by the network section of calculate node record host before starting J2EE server processes
Point information and port information, and generate agreement file, this agreement file includes network node information and the port letter of host
Breath；Next, by the instrumentation mechanism based on java, whether check in the class file of virtual machine JMX server
There is agreement file, if there is agreement file, extracting host value and port value from agreement file, host value and port value are write
Enter the write function for generating connectorServer return value, for generating amended return value；If not existing about
Determine file, then generate described amended return value using the original value of write function.For example：Original
ConnectorServer return value generting machanism is：
Wherein host and port is the private variable of TCPEndpoint class, is defined as follows：
/*IP address or host name*/
private String host；
/*port number*/
private int port；
In order to change the return value of JMX server it is necessary to modify to the code of write (), allow it to host
Return host and port specifying.
If the value for example getting host and port is respectively 172.18.4.240 and 34823, then, above-mentioned code is entered
Row is changed, and the code of modification write () is：
public void write(ObjectOutput out)throws IOException{
Host=" 172.18.4.240 "；
Port=34823；
If (csf==null)
out.writeByte(FORMAT_HOST_PORT)；
out.writeUTF(host)；
out.writeInt(port)；
}else{
out.writeByte(FORMAT_HOST_PORT_FACTORY)；
out.writeUTF(host)；
out.writeInt(port)；
out.writeObject(csf)；
}
}
It is as follows that JMX client jconsole and virtual machine set up the process that JMX is connected：First, jconsole sends request
To 172.18.4.240:34824, obtain stub；This request is forwarded to 10.254.9.174:1099, virtual machine receives please
Ask and process；Then, JMX execution write method, returns host the and port information of connectorServer, due to this part
Code has been modified, and the information of therefore return is 172.18.4.240:34823；When host receives the letter of virtual machine return
After breath, with 172.18.4.240:34823 set up and connect, it is achieved thereby that being successfully connected of host and virtual machine.
The method of attachment of the JMX client of embodiment is it is preferable that JMX client includes according to a first aspect of the present invention：
Jconsole, JvisualVM and Jboss.
In this embodiment, JMX client is more than above-mentioned Jconsole or JvisualVM and Jboss,
It is achieved thereby that Jconsole, JvisualVM and Jboss client carries out across a network process monitoring by JMX, meet client
Demand.
According to a first aspect of the present invention the JMX client of embodiment method of attachment it is preferable that virtual machine and host with
The mode of network address translation connects.
In this embodiment, in modification JMX server, connectorServer generates IP and port information, and by void
The IP that plan machine generates and port information return to host by NAT connected mode, realize the communication of virtual machine and outer net.
Fig. 2 shows the block diagram of the attachment means of JMX client according to an embodiment of the invention.
As shown in Fig. 2 the attachment means 200 of JMX client according to embodiments of the present invention, including：Modification unit 202,
According to the modification instruction receiving, the mechanism of the generation return value of connectorServer in modification JMX server, generation is repaiied
Return value after changing；Connection unit 204, using amended return value, returns the network node letter of host to JMX client
Breath and port information, are set up with JMX client and are connected.
The attachment means of JMX client according to an embodiment of the invention, by changing in JMX service end
The mechanism of the generation return value of connectorServer (a kind of adapter service, for connecting monitoring client and monitored end) is come
Break through network to limit, JMX client can be made to set up with the virtual machine of JMX service end and be connected.I.e. in modification JMX server
Before the generation return value of connectorServer, client can only pass through network node and port and the virtual machine of host
Communicated, but the connectorServer address that JMX server end returns be the lan address that client cannot access,
Accordingly, it would be desirable to change the mechanism of the generation return value of connectorServer in JMX server, enable connectorServer
Enough return the IP (network node) and PORT (port) of host, using this amended return value, JMX server and JMX visitor
Family end establishes connection, in order to realize carrying out the virtual machine process monitoring of across a network using JMX client.
In addition, the attachment means of JMX client according to the above embodiment of the present invention, can also have the skill added as follows
Art feature：
The attachment means of the JMX client of embodiment are it is preferable that also include according to a second aspect of the present invention：
Map unit 206, according to the setting instruction receiving, changes DEA code, adds host to described virtual machine
The network port maps.
In this embodiment, for example, the JMX service of the application server geronimo of X3 platform is using fixation
Remiregistry (1099) and connectorServer (9999) port, respectively 1099 and 9999.Therefore, in order to
From outside access to this two ports, first have to, according to the setting instruction receiving, to change DEA code, to add outer net (host
Machine) to Intranet (virtual machine) port mapping.For example, Intranet IP of a virtual machine is 10.254.9.174, and host IP is
172.18.4.240.After adding port mapping, 34823 ports access of host can be passed through in 9999 ports of virtual machine；Virtual
34824 ports that host is passed through in 1099 ports of machine access, and corresponding JMX URL is：service:jmx:rmi://
172.18.4.240:34823/jndi/rmi://172.18.4.240:34824/JMXConnect or, if with jconsole
Connection server, then jconsole can be successfully connected to 172.18.4.240:34824, and obtain stub, therefore, by net
Network port mapping is achieved virtual machine and is connected with the first step of host, so just can carry out the operation of next step：Modification
The generation return value of connectorServer.
The attachment means of the JMX client of embodiment are it is preferable that change unit 202, specifically according to a second aspect of the present invention
For：Based on the instrumentation mechanism of java, check for about in the class file of virtual machine JMX server
Determine file；If agreement file exists, from agreement file, extract host value and port value, host value and the write of port value are used
In the write function generating connectorServer return value, in order to generate amended return value；If agreement file is not deposited
Then generating amended return value using the original value of write function；Wherein, agreement file is being started by calculate node
Create before J2EE server processes, record network node information and the port information of host.
In this embodiment, java Instrumentation can monitor and assist to operate in the application program on JVM,
This monitoring and assistance include but is not limited to obtain JVM run time behaviour, and substitutions and modifications class defines etc.,
The maximum effect of Instrumentation is exactly dynamic change and the operation of class definition.Return connectorServer information
Code is realized by the write method of sun/rmi/transport/tcp/TCPEndpoint, in order to change returning of jmx server
Return value it is necessary to modify to the code of write (), allow it return host and port of host to client.By this
Amended return value can be set up with service end to be connected and carry out JMX monitoring.
Described agreement file created, by the network section of calculate node record host before starting J2EE server processes
Point information and port information, and generate agreement file, this agreement file includes network node information and the port letter of host
Breath；Next, by the instrumentation mechanism based on java, whether check in the class file of virtual machine JMX server
There is agreement file, if there is agreement file, extracting host value and port value from agreement file, host value and port value are write
Enter the write function for generating connectorServer return value, for generating amended return value；If not existing about
Determine file, then generate described amended return value using the original value of write function.For example：Original
ConnectorServer return value generting machanism is：
Wherein host and port is the private variable of TCPEndpoint class, is defined as follows：
/*IP address or host name*/
private String host；
/*port number*/
private int port；
In order to change the return value of JMX server it is necessary to modify to the code of write (), allow it to host
Return host and port specifying.
If the value for example getting host and port is respectively 172.18.4.240 and 34823, then, above-mentioned code is entered
Row is changed, and the code of modification write () is：
public void write(ObjectOutput out)throws IOException{
Host=" 172.18.4.240 "；
Port=34823；
If (csf==null)
out.writeByte(FORMAT_HOST_PORT)；
out.writeUTF(host)；
out.writeInt(port)；
}else{
out.writeByte(FORMAT_HOST_PORT_FACTORY)；
out.writeUTF(host)；
out.writeInt(port)；
out.writeObject(csf)；
}
}
It is as follows that JMX client jconsole and virtual machine set up the process that JMX is connected：First, jconsole sends request
To 172.18.4.240:34824, obtain stub；This request is forwarded to 10.254.9.174:1099, virtual machine receives please
Ask and process；Then, JMX execution write method, returns host the and port information of connectorServer, due to this part
Code has been modified, and the information of therefore return is 172.18.4.240:34823；When host receives the letter of virtual machine return
After breath, with 172.18.4.240:34823 set up and connect, it is achieved thereby that being successfully connected of host and virtual machine.
The attachment means of the JMX client of embodiment are it is preferable that JMX client includes according to a second aspect of the present invention：
Jconsole, JvisualVM and Jboss.
In this embodiment, JMX client can also be JvisualVM and Jboss, it is achieved thereby that Jconsole,
JvisualVM and Jboss carries out across a network process monitoring by JMX, meets the diversified demand of client.
According to a second aspect of the present invention the JMX client of embodiment attachment means it is preferable that virtual machine and host with
The mode of network address translation connects.
In this embodiment, by the connected mode of NAT (network address translation), it is capable of external network and Intranet is set
The access of standby (as server), concurrently facilitates saving IP address resource.
Fig. 3 shows the schematic diagram of jconsole monitoring interface according to an embodiment of the invention
As shown in figure 3, jconsole client sets up JMX using two interfaces with 172.18.4.240 communicating, wherein
34823 is to connect the port that connectorServer uses, and 34824 is to connect the port that remiregistry uses.For place
For main frame 172.18.4.240,34823 are mapped to 9999 ports of empty machine, the port that connectorServer uses；
34824 1099 ports being mapped to empty machine, are the ports that remiregistry uses.It can be seen that JMX connects work
Normally, and to the internal memory usage amount of virtual machine, thread, class and CPU usage it is monitored, also can transport in virtual machine simultaneously
The program of row is monitored, MBean option in such as Fig. 3.
Fig. 4 shows the schematic diagram of network connection in virtual machine according to an embodiment of the invention.
As shown in figure 4, the relevant connection of the geronimo process seen in virtual machine internal.From the figure, it can be seen that
9999 ports establish tcp with 10.1.146.217 and are connected, and do not have tcp to connect on 1099 ports, this is because 1099 ports
Only use during JMX sets up and connects, after client finds real connectorServer, this connection is just released
Put, thus realizing the connection of virtual machine and monitoring client.
Technical scheme is described in detail above in association with accompanying drawing, by technical scheme, by java
The mode of instrumentation is realized client and is connected with the across a network of virtual machine in server, and then realizes across a network
JMX monitors, and code is simple, and clear logic makes ISV remote monitoring process be possibly realized；Can arrange and whether open debug mould
Formula, thus the safety of virtual machine is unaffected on line；And the program is equally applicable to the virtual machine that creates by docker.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of method of attachment of JMX client, for monitoring virtual machine it is characterised in that including：
According to the modification instruction receiving, in modification JMX server, the mechanism of the generation return value of connectorServer, raw
Become amended return value；
Using described amended return value, return network node information and the port information of host to JMX client, with institute
State JMX client and set up and connect.
2. method of attachment according to claim 1, it is characterised in that the modification receiving in described basis instructs, is changed
The mechanism of the generation return value of connectorServer in JMX server, before generating amended return value, also includes：
According to the setting instruction receiving, change DEA code, add host to the network port mapping of described virtual machine.
3. method of attachment according to claim 2, it is characterised in that the modification that described basis receives instructs, changes JMX
The mechanism of the generation return value of connectorServer in server, generates amended return value, specifically includes：
Based on the instrumentation mechanism of java, check in the class file of described virtual machine JMX server
Agreement file；
If described agreement file exists, extract host value and port value from described agreement file, by described host value and institute
State the write of port value for generating the write function of described connectorServer return value, described amended in order to generate
Return value；
If described agreement file does not exist, generate described amended return value using the original value of described write function；
Wherein, described agreement file was created before starting J2EE server processes by calculate node, recorded described host
Network node information and port information.
4. method of attachment according to claim 1 is it is characterised in that described JMX client includes：Jconsole、
JvisualVM and Jboss.
5. method of attachment according to claim 1 is it is characterised in that described virtual machine and described host are with the network address
The mode of conversion connects.
6. a kind of attachment means of JMX client, for monitoring virtual machine it is characterised in that including：
Modification unit, according to the modification instruction receiving, the generation return value of connectorServer in modification JMX server
Mechanism, generate amended return value；
Connection unit, using described amended return value, returns to network node information and the port of host to JMX client
Information, is set up with described JMX client and is connected.
7. attachment means according to claim 6 are it is characterised in that also include：
Map unit, according to the setting instruction receiving, changes DEA code, adds host to the network-side of described virtual machine
Mouth mapping.
8. attachment means according to claim 7 are it is characterised in that described modification unit, specifically for：
Based on the instrumentation mechanism of java, check in the class file of described virtual machine JMX server
Agreement file；
If described agreement file exists, extract host value and port value from described agreement file, by described host value and institute
State the write of port value for generating the write function of described connectorServer return value, described amended in order to generate
Return value；
If described agreement file does not exist, generate described amended return value using the original value of described write function；
Wherein, described agreement file was created before starting J2EE server processes by calculate node, recorded described host
Network node information and port information.
9. attachment means according to claim 6 are it is characterised in that described JMX client includes：Jconsole、
JvisualVM and Jboss.
10. attachment means according to claim 6 are it is characterised in that described virtual machine and described host are with network ground
The mode of location conversion connects.
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