Good Day!
Friends, when I am runing a SampleTest (written in java by here, simulating a deadlock environmentn), Jconsole GUI response that being connecting to * (refer to SampleTest PID)
How can I use the jconsole to connect the application? thanks first:)
Run your application with following java properties
-Dcom.sun.management.jmxremote.port=9005
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
This provide the JMX port , Do the authentication disable , and ssl disable respectively.
Then go to directory where your jconsole jar resides.
command
Jconsole local_or_remote_host:JMX_port
This setting must let your jconsole to connect to the application.
Related
I have recently upgraded wildfly from 11 to 21 version. I was using jvisualvm for jvm monitoring, but now when tried connecting to remote wildfly server via jvisualvm , getting error
I have followed following steps to configure wildfly on linux for remote monitoring
created a file named security.policy which contains the following:
grant codebase "file:/usr/lib/jvm/java-8-oracle/lib/tools.jar" {
permission java.security.AllPermission;
};
Now execute jstatd as follows:
/usr/lib/jvm/java-8-oracle/bin/jstatd -J-Djava.security.policy=security.policy &
Start WildFly, taking care to bind it to an IP address which can be reached from a remote machine:
standalone.bat -b ip-addr -bmanagement=ip-addr
Since we will need a management user to connect to this server, execute the add-user script and create a management user:
./add-user.sh
on starting wildfly getting following error:
Services with missing/unavailable dependencies" => ["jboss.remoting.remoting-http-upgrade-service.http-management is missing [jboss.http-upgrade-registry.http-management]"]
Tried following these steps as well, but same error
(open JMX through jconsole on Remote WildFly 21 server)
Can anyone help me with configuration to enable remote jvm monitoring for wildfly 21 server in linux
I'm trying to connect to a remote Wildfly (10.0.0) instance using jvisualvm (or jconsole).
I launch the jvisualvm adding jboss-client.jar in its classpath:
jvisualvm --cp:a /application-server/wildfly-10.0.0.Final/bin/client/jboss-client.jar
When I try to connect using this connection string:
service:jmx:remoting-jmx://<>:9990
Cannot connect to wildfly-10.0 using service:jmx:remoting-jmx://<>:9990.
I know that the server is listening on 9990 because I was able to open a telnet connection.
Can anyone help me?
Thanks,
Laura
I have also tried with Jconsole and was able to connect to wildfly app using JMX.
Default Jconsole application cannot connect to wildfly jmx due to missing dependencies .
I followed below steps to resolve this.
Go to Java home/bin directory
Create a new empty .bat file with name jconsole_wildfly__connect.bat
Open jconsole_wildfly__connect.bat in any editor
write text -> jconsole -J-Djava.class.path=../lib/tools.jar;../lib/jconsole.jar;<wildfly home dir>\bin\client\jboss-cli-client.jar
save the file and close it.
now open the jconsole_wildfly__connect.bat by double clicking it.
enter the url(service:jmx:http-remoting-jmx://:9990) in remote process
enter userName and password
I have started server using fuse_home/bin/start. Server is appearing as started but not able to access Admin console.
It is showing hawtio screen instead.
Appreciate any direction.
Try creating a fabric first, by using the fabric:create command.
Fuse can be started in two ways one is using ./fuse script from bin dir
Another starting in background ./start and connect using ./client
./client connect to running fuse karaf console
[kkakarla#kkakarla bin]$ ./start
[kkakarla#kkakarla bin]$ ./status
Running ...
[kkakarla#kkakarla bin]$ ./client
Logging in as admin
Open a browser to http://localhost:8181 to access the management console
Create a new Fabric via 'fabric:create'
or join an existing Fabric via 'fabric:join [someUrls]'
Hit '' or 'osgi:shutdown' to shutdown JBoss Fuse.
JBossFuse:admin#root>
Please make sure you uncommented last line user.properties file before starting the fuse server. Fuse provides access to fuse management console using HOWTIO. Since you are starting fuse by using /.start you may not be able to create fabric directly until you connect to client, in that case you can connect to fuse server using SSH #localhost -p8101, then you can run fabric: create. Otherwise you can /.stop the server and start using ./fuse or ./karaf then you can run fabric commands directly. If still issue not resolved we have to check logs.
I am new to hadoop and I am trying to debug MapReduce Hadoop in local mode in Eclipse in Virtualbox Ubuntu following these articles: Debug Custom Java hadoop code in local environment and Hadoop MapReduce Debugging in Local Setup
In hadoop-env.sh I put the text
export HADOOP_OPTS="$HADOOP_OPTS -Xdebug -Xrunjdwp:transport=dt_socket,server=y,address=8008"
I tried to run Eclipse from command line
eclipse -agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=8008
I also changed from hdfs to file:/// in core-site.xml in hadoop configurations
<name>fs.default.name</name>
<value>file:///localhost:8020</value>
I checked the port 8080. Seems like it works okay:
netstat -atn | grep 8080`
says tcp6 8080 LISTEN
http://localhost:8080 opens in browser and says Required param job, map and reduce
still everything is useless as when I try to set debug configuration with the port 8080 in Eclipse it breaks “failed to connect remote vm”.
Can anyone suggest a possible solution?
That isn't the way to run eclipse as a debugger.
Run eclipse without any command line options and setup a debug configuration for a remote java application that connects to 8008.
[EDIT]
I also think your hadoop debug options are wrong. I use:
-agentlib:jdwp=transport=dt_socket,address=8008,server=y,suspend=n
I was given the task of installing jboss-5.1.0.GA on a remote ubuntu 10.4 Lts server. With all those resources out there I was able to run jboss successfully but my problem was that I wasn't able to get auto start on boot work so that jboss would be running on the server.
I followed a couple of tutorials that said me create a separate user called jboss and to copy the jboss_init_Redhat.sh to the /etc/init.d/jboss (jboss home, java path ,jboss user and the binding to 0.0.0.0 is all set) and used /etc/init.d/jboss start
but I can't get to see the Jboss page at the Ip on a browser.,
If i do a ./run.sh -b 0.0.0.0 ==> the server is up ...
Can some body shed some light on this issue????
If you want to run JBoss AS on given interface using jboss_init_redhat.sh script look at these line:
#if JBOSS_HOST specified, use -b to bind jboss services to that address
JBOSS_BIND_ADDR=${JBOSS_HOST:+"-b $JBOSS_HOST"}
You should just define new variable before these line:
JBOSS_HOST="0.0.0.0"
You should also check shutdown command (especially when you run your server on some other address then 127.0.0.1 or 0.0.0.0), it should know how to find your server:
JBOSS_CMD_STOP=${JBOSS_CMD_STOP:-"java -classpath $JBOSSCP org.jboss.Shutdown --shutdown -s jnp://${JBOSS_HOST}:1099"}