JSVC Doesn't Properly Daemonize
-------------------------------
Key: DAEMON-127
URL: https://issues.apache.org/jira/browse/DAEMON-127
Project: Commons Daemon
Issue Type: Bug
Environment: ubuntu hardy
Reporter: Ben Murphy
Priority: Minor
One of the JSVC processes doesn't seem to properly detach from my console. It
still has fds attached to my console.
I have jsvc version: 1.0.2~svn20061127-6
I start tomcat with the following command line:
/usr/bin/jsvc -user root -cp
/usr/share/java/commons-daemon.jar:/opt/tomcat/bin/bootstrap.jar -outfile
SYSLOG -errfile SYSLOG -pidfile /var/run/mcs.pid
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.port=18801 -Xmx2048M -Xms128M
-XX:MaxPermSize=256m -XX:PermSize=256m -Djava.awt.headless=true
-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/opt/mcs/temp/
-XX:+PrintGCDetails -Djava.endorsed.dirs=/opt/tomcat/endorsed
-Dcatalina.base=/opt/mcs -Dcatalina.home=/opt/tomcat
-Djava.io.tmpdir=/tmp/tomcat6-temp -Djava.security.manager
-Djava.security.policy=/opt/mcs/work/catalina.policy
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-Djava.util.logging.config.file=/opt/mcs/conf/logging.properties
org.apache.catalina.startup.Bootstrap
I see three processes:
root 26452 0.0 0.0 16516 364 ? Ss 11:31 0:00 /usr/bin/jsvc
-user root -cp /usr/share/java/commons-daemon.jar:/opt/tomcat/bin/bootstrap.jar
-outfile SYSLOG -errfile SYSLOG -pidfile /var/run/mcs.pid
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.port=18801 -Xmx2048M -Xms128M
-XX:MaxPermSize=256m -XX:PermSize=256m -Djava.awt.headless=true
-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/opt/mcs/temp/
-XX:+PrintGCDetails -Djava.endorsed.dirs=/opt/tomcat/endorsed
-Dcatalina.base=/opt/mcs -Dcatalina.home=/opt/tomcat
-Djava.io.tmpdir=/tmp/tomcat6-temp -Djava.security.manager
-Djava.security.policy=/opt/mcs/work/catalina.policy
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-Djava.util.logging.config.file=/opt/mcs/conf/logging.properties
org.apache.catalina.startup.Bootstrap
root 26453 0.0 0.0 16516 492 ? S 11:31 0:00 /usr/bin/jsvc
-user root -cp /usr/share/java/commons-daemon.jar:/opt/tomcat/bin/bootstrap.jar
-outfile SYSLOG -errfile SYSLOG -pidfile /var/run/mcs.pid
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.port=18801 -Xmx2048M -Xms128M
-XX:MaxPermSize=256m -XX:PermSize=256m -Djava.awt.headless=true
-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/opt/mcs/temp/
-XX:+PrintGCDetails -Djava.endorsed.dirs=/opt/tomcat/endorsed
-Dcatalina.base=/opt/mcs -Dcatalina.home=/opt/tomcat
-Djava.io.tmpdir=/tmp/tomcat6-temp -Djava.security.manager
-Djava.security.policy=/opt/mcs/work/catalina.policy
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-Djava.util.logging.config.file=/opt/mcs/conf/logging.properties
org.apache.catalina.startup.Bootstrap
root 26455 113 11.1 2600428 233484 ? Rl 11:31 0:14 /usr/bin/jsvc
-user root -cp /usr/share/java/commons-daemon.jar:/opt/tomcat/bin/bootstrap.jar
-outfile SYSLOG -errfile SYSLOG -pidfile /var/run/mcs.pid
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.port=18801 -Xmx2048M -Xms128M
-XX:MaxPermSize=256m -XX:PermSize=256m -Djava.awt.headless=true
-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/opt/mcs/temp/
-XX:+PrintGCDetails -Djava.endorsed.dirs=/opt/tomcat/endorsed
-Dcatalina.base=/opt/mcs -Dcatalina.home=/opt/tomcat
-Djava.io.tmpdir=/tmp/tomcat6-temp -Djava.security.manager
-Djava.security.policy=/opt/mcs/work/catalina.policy
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-Djava.util.logging.config.file=/opt/mcs/conf/logging.properties
org.apache.catalina.startup.Bootstrap
if i check what processes have opened my pty i get:
r...@staging:~# lsof /dev/pts/2
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
bash 25266 root 0u CHR 136,2 4 /dev/pts/2
bash 25266 root 1u CHR 136,2 4 /dev/pts/2
bash 25266 root 2u CHR 136,2 4 /dev/pts/2
bash 25266 root 255u CHR 136,2 4 /dev/pts/2
jsvc 26453 root 1u CHR 136,2 4 /dev/pts/2
jsvc 26453 root 2u CHR 136,2 4 /dev/pts/2
lsof 26524 root 0u CHR 136,2 4 /dev/pts/2
lsof 26524 root 1u CHR 136,2 4 /dev/pts/2
lsof 26524 root 2u CHR 136,2 4 /dev/pts/2
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