jmx remote connection

Mon, 02 Apr 2012 19:29:31 GMT

Hey, I have alfresco 4.0 installed and try to connect from remote via jmx but it failed.My client is JConsole, the URL I use looks likeservice:jmx:rmi:///jndi/rmi://<hostname>:50500/alfresco/jmxrmi‍Where <hostname> is the name of my host. The JMX user name and password are the defaults.U

Re: jmx remote connection

mrogers — Mon, 02 Apr 2012 22:51:24 GMT

Are you trying to connect from the same machine or from a remote machine?

What JVM are you running?

And have you allowed JMX connections in the Java command line?

Re: jmx remote connection

Tue, 03 Apr 2012 07:16:57 GMT

I'm trying to connect from a remote machine where Java 1.6.0_22 (64bit) is running.
The alfresco is an enterprise installation.

I added the following JMX setting to ${ALFRESCO_HOME}/tomcat/scripts/ctl.sh

-Dcom.sun.management.jmxremote.port=18086
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.authenticate=false‍‍‍

After adding these settings the connection with "JConsole" did not work.

Re: jmx remote connection

sharifu — Thu, 31 May 2012 11:16:13 GMT

i have same problem, i am using java 1.7 64bit on remote machine and i am trying to connect. it does not work "connection failed"

alfresco 4.0d running on centos 64bit with following settings


start_tomcat() {
    is_tomcat_running
    RUNNING=$?
    if [ $RUNNING -eq 1 ]; then
        echo "$0 $ARG: tomcat (pid $PID) already running"
    else
   rm -f $CATALINA_PID
   export JAVA_OPTS="-XX:MaxPermSize=1024m -Xms512m -Xmx1024m -XX:-DisableExplicitGC -Dalfresco.home=/opt/alfresco-4.0.d -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -Dsun.security.ssl.allowUnsafeRenegotiation=true"
   export JAVA_HOME=$JRE_HOME
   $TOMCAT_BINDIR/startup.sh 
   if [ $? -eq 0 ];  then
            echo "$0 $ARG: tomcat started"
   else
            echo "$0 $ARG: tomcat could not be started"
            ERROR=1
   fi
    fi
}

daemon_tomcat() {
    export JAVA_OPTS="-XX:MaxPermSize=1024m -Xms512m -Xmx1024m -XX:-DisableExplicitGC -Dalfresco.home=/opt/alfresco-4.0.d -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -Dsun.security.ssl.allowUnsafeRenegotiation=true"
    export JAVA_HOME=$JRE_HOME
    $TOMCAT_BINDIR/catalina.sh run
}

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my url


service:jmx:rmi:///jndi/rmi://172.16.0.46:50500/alfresco/jmxrmi
‍‍‍


netstat -lpt
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name   
tcp        0      0 alfrescotest:xprint-server  *:*                         LISTEN      17826/soffice.bin   
tcp        0      0 *:mysql                     *:*                         LISTEN      3247/mysqld.bin     
tcp        0      0 *:ieee-mms                  *:*                         LISTEN      2589/rpc.statd      
tcp        0      0 *:sunrpc                    *:*                         LISTEN      2550/portmap        
tcp        0      0 alfrescotest:ipp            *:*                         LISTEN      2869/cupsd          
tcp        0      0 alfrescotest:smtp           *:*                         LISTEN      2895/sendmail: acce 
tcp        0      0 *:50500                     *:*                         LISTEN      17850/java          
tcp        0      0 alfrescotest:8005           *:*                         LISTEN      17850/java          
tcp        0      0 *:8009                      *:*                         LISTEN      17850/java          
tcp        0      0 *:netbios-ssn               *:*                         LISTEN      17850/java          
tcp        0      0 *:47468                     *:*                         LISTEN      17850/java          
tcp        0      0 *:50508                     *:*                         LISTEN      17850/java          
tcp        0      0 *:webcache                  *:*                         LISTEN      17850/java          
tcp        0      0 *:47088                     *:*                         LISTEN      17850/java          
tcp        0      0 *:36786                     *:*                         LISTEN      17850/java          
tcp        0      0 *:ftp                       *:*                         LISTEN      17850/java          
tcp        0      0 *:ssh                       *:*                         LISTEN      2856/sshd           
tcp        0      0 *:pcsync-https              *:*                         LISTEN      17850/java          
tcp        0      0 *:microsoft-ds              *:*                         LISTEN      17850/java          
[root@alfrescotest tomcat]# netstat -tap | grep 50500
tcp        0      0 *:50500                     *:*                         LISTEN      17850/java          
[root@alfrescotest tomcat]# 

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a tcpdump shows jconsole communicating with alfresco


root@alfrescotest indexing]# tcpdump -i eth0 'port 50500'
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
14:38:33.811074 IP win7-64bit.uk.domainasa.com.49446 > alfrescotest.uk.domainasa.com.50500: F 496621374:496621374(0) ack 1121139216 win 255
14:38:33.812807 IP alfrescotest.uk.domainasa.com.50500 > win7-64bit.uk.domainasa.com.49446: F 1:1(0) ack 1 win 46
14:38:33.812994 IP win7-64bit.uk.domainasa.com.49446 > alfrescotest.uk.domainasa.com.50500: . ack 2 win 255

14:38:41.539756 IP win7-64bit.uk.domainasa.com.49449 > alfrescotest.uk.domainasa.com.50500: S 3002379369:3002379369(0) win 8192 <mss 1460,nop,wscale 8,nop,nop,sackOK>
14:38:41.539805 IP alfrescotest.uk.domainasa.com.50500 > win7-64bit.uk.domainasa.com.49449: S 1157509663:1157509663(0) ack 3002379370 win 5840 <mss 1460,nop,nop,sackOK,nop,wscale 7>
14:38:41.540689 IP win7-64bit.uk.domainasa.com.49449 > alfrescotest.uk.domainasa.com.50500: . ack 1 win 256
14:38:41.540724 IP win7-64bit.uk.domainasa.com.49449 > alfrescotest.uk.domainasa.com.50500: P 1:8(7) ack 1 win 256
14:38:41.540731 IP alfrescotest.uk.domainasa.com.50500 > win7-64bit.uk.domainasa.com.49449: . ack 8 win 46
14:38:41.541305 IP alfrescotest.uk.domainasa.com.50500 > win7-64bit.uk.domainasa.com.49449: P 1:19(18) ack 8 win 46
14:38:41.541693 IP win7-64bit.uk.domainasa.com.49449 > alfrescotest.uk.domainasa.com.50500: P 8:25(17) ack 19 win 256
14:38:41.541700 IP win7-64bit.uk.domainasa.com.49449 > alfrescotest.uk.domainasa.com.50500: P 25:84(59) ack 19 win 256
14:38:41.541737 IP alfrescotest.uk.domainasa.com.50500 > win7-64bit.uk.domainasa.com.49449: . ack 84 win 46
14:38:41.542153 IP alfrescotest.uk.domainasa.com.50500 > win7-64bit.uk.domainasa.com.49449: P 19:246(227) ack 84 win 46
14:38:41.543632 IP win7-64bit.uk.domainasa.com.49449 > alfrescotest.uk.domainasa.com.50500: P 84:99(15) ack 246 win 255
14:38:41.584270 IP alfrescotest.uk.domainasa.com.50500 > win7-64bit.uk.domainasa.com.49449: . ack 99 win 46
14:39:11.545454 IP win7-64bit.uk.domainasa.com.49449 > alfrescotest.uk.domainasa.com.50500: F 99:99(0) ack 246 win 255
14:39:11.545609 IP alfrescotest.uk.domainasa.com.50500 > win7-64bit.uk.domainasa.com.49449: F 246:246(0) ack 100 win 46
14:39:11.545956 IP win7-64bit.uk.domainasa.com.49449 > alfrescotest.uk.domainasa.com.50500: . ack 247 win 255

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