Closed GoogleCodeExporter closed 8 years ago
Thanks for this issue report. Before looking deeply into this,
one thing would be very interesting:
Can you attach to the problematic process using jconsole?
Original comment by patric.r...@gmail.com
on 11 May 2013 at 8:10
I reproduced the problem, here are some details:
I run jvmtop.sh and I can attach to JVMs running ZooKeeper.
These JVMs use JDK:
inter01 bin # ./java -version
java version "1.7.0_21"
Java(TM) SE Runtime Environment (build 1.7.0_21-b11)
Java HotSpot(TM) 64-Bit Server VM (build 23.21-b01, mixed mode)
inter01 bin # pwd
/inter/zkadm1/jdk1.7.0_21/bin
But I cannot attach to tomcat JVMs.
These JVMs use JRE:
inter01 bin # ./java -version
java version "1.7.0_17"
Java(TM) SE Runtime Environment (build 1.7.0_17-b02)
Java HotSpot(TM) 64-Bit Server VM (build 23.7-b01, mixed mode)
inter01 bin # pwd
/inter/tcatadm1/jre1.7.0_17/bin
Jconsole is not included in the JRE. But if I use the JConsole included in the
JDK to attach to the JRE JVMS (!) it does NOT work. Could it be that it cannot
attach to a JRE, and only a JDK JVM?
Original comment by nicflatt...@gmail.com
on 24 May 2013 at 1:29
[deleted comment]
Thanks for the details.
jvmtop should be able to connect to JVMs which are running under a JRE only.
But I'm not sure if this is really the problem here.
Could you please retry this using jvmtop version 0.5.0?
If still exceptions occur, please paste them here.
Original comment by patric.r...@gmail.com
on 24 May 2013 at 2:11
I'm seeing same error. Is this supposed to be able to run on a linux server
running a JVM?
ps -ef|grep 26368
ssn 26368 1 10 16:46 pts/0 00:14:41
/usr/ssn/thirdparty/ssnjdk/CURRENT/ssn_home/ssnjdk/jdk/bin/java
-Djava.util.logging.config.file=/usr/ssn/fwu/CURRENT/ssn_home/fwu/conf/logging.p
roperties -server -Xms18g -Xmx18g -XX:NewSize=4500m
-Xloggc:/usr/ssn/fwu/CURRENT/ssn_home/fwu/logs/gc.log -XX:+PrintGCDetails
-XX:+PrintGCTimeStamps -XX:+PrintGCDateStamps -verbose:gc
-XX:ParallelCMSThreads=8 -XX:ParallelGCThreads=8 -XX:+UseConcMarkSweepGC
-XX:+UseParNewGC -XX:+UseLargePages -XX:MaxPermSize=512m -XX:+UseMembar
-Dsun.rmi.dgc.server.gcInterval=0x7FFFFFFFFFFFFFFE
-Dsun.rmi.dgc.client.gcInterval=0x7FFFFFFFFFFFFFFE
-Dserver.home.dir=/usr/ssn/fwu/CURRENT/ssn_home/fwu/logs
-Dlog4j.configuration=file:///usr/ssn/fwu/CURRENT/ssn_home/fwu/conf/log4j.xml
-Dconfig.properties=/usr/ssn/fwu/CURRENT/ssn_home/fwu/etc/config.properties
-Djava.awt.headless=true -Dproject.build.finalName=fwu
-Ddoc.root=/usr/ssn/fwu/CURRENT/ssn_home/fwu/webapps/fwu.war
-Dui.debug.mode=false -DSSN_FWU_SHUTDOWN_PORT=4005 -DSSN_FWU_HTTP_PORT=4080
-DSSN_FWU_HTTP_BIND_ADDRESS=0.0.0.0 -DSSN_FWU_SSL_HTTP_PORT=4443
-DSSN_FWU_HTTPS_BIND_ADDRESS=0.0.0.0 -DSSN_FWU_AJP_PORT=4009
-DSSN_FWU_AJP_BIND_ADDRESS=0.0.0.0
-DSSN_FWU_SSL_KEY_LOCATION=/release/integ/FOR_QA_ONLY/certs/ssn/server.key
-Dssnjms.host= -Dssnjms.jndi.port= -Dssnjms.auth.user= -Dssnjms.auth.password=
-Duser.timezone=GMT -Djava.net.preferIPv4Stack=false
-DuiqUrl=https://sfossnse01vmw73.silverspringnet.com:3009 -Dversion=4.8.0
-Dbuild=233749 -Dlog.file.max.size=10MB -Dlog.file.count=10
-DSSN_FWU_SECURITY_SESSION_TIMEOUT_MINUTES=30
-Djava.library.path=/usr/ssn/fwu/CURRENT/ssn_home/fwu/lib
-Dconfig.properties=/usr/ssn/fwu/CURRENT/ssn_home/fwu/etc/config.properties
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-Djava.endorsed.dirs=/usr/ssn/thirdparty/tomcat/CURRENT/endorsed -classpath
:/usr/ssn/thirdparty/tomcat/CURRENT/bin/bootstrap.jar
-Dcatalina.base=/usr/ssn/fwu/CURRENT/ssn_home/fwu
-Dcatalina.home=/usr/ssn/thirdparty/tomcat/CURRENT
-Djava.io.tmpdir=/usr/ssn/fwu/CURRENT/ssn_home/fwu/temp
org.apache.catalina.startup.Bootstrap start
./jvmtop.sh 26368
java.io.IOException: Unable to open socket file: target process not responding
or HotSpot VM not loaded
at com.jvmtop.openjdk.tools.LocalVirtualMachine.loadManagementAgent(LocalVirtualMachine.java:341)
at com.jvmtop.openjdk.tools.LocalVirtualMachine.startManagementAgent(LocalVirtualMachine.java:137)
at com.jvmtop.openjdk.tools.ProxyClient.tryConnect(ProxyClient.java:367)
at com.jvmtop.openjdk.tools.ProxyClient.connect(ProxyClient.java:349)
at com.jvmtop.VMInfo.attachToVM(VMInfo.java:187)
at com.jvmtop.VMInfo.processNewVM(VMInfo.java:146)
at com.jvmtop.VMDetailView.<init>(VMDetailView.java:26)
at com.jvmtop.JvmTop.main(JvmTop.java:35)
Caused by: com.sun.tools.attach.AttachNotSupportedException: Unable to open
socket file: target process not responding or HotSpot VM not loaded
at sun.tools.attach.LinuxVirtualMachine.<init>(LinuxVirtualMachine.java:82)
at sun.tools.attach.LinuxAttachProvider.attachVirtualMachine(LinuxAttachProvider.java:46)
at com.sun.tools.attach.VirtualMachine.attach(VirtualMachine.java:195)
at com.jvmtop.openjdk.tools.LocalVirtualMachine.loadManagementAgent(LocalVirtualMachine.java:337)
... 7 more
Exception in thread "main" java.lang.NullPointerException
at com.jvmtop.VMDetailView.printView(VMDetailView.java:44)
at com.jvmtop.JvmTop.run(JvmTop.java:70)
at com.jvmtop.JvmTop.main(JvmTop.java:35)
Original comment by markshei...@gmail.com
on 24 May 2013 at 7:02
Nevermind. I was able to run it as the user who launched the process, but not
as root. Message seems a bit obscure...
Original comment by markshei...@gmail.com
on 24 May 2013 at 7:04
Follow up to my message #2 on May 24th. I did that test with V5, downloaded on
that day.
Original comment by nicflatt...@gmail.com
on 27 May 2013 at 2:39
[deleted comment]
@nicflatterie:
ok, thanks for clarification. Can you post the exceptions (reproduced with
jvmtop 0.5.0) here?
Original comment by patric.r...@gmail.com
on 27 May 2013 at 2:43
There you go, I hope it helps. Mint 14, JVMTop 0.5.0:
inter01 jvmtop # ./jvmtop.sh 22654
java.io.IOException: Unable to open socket file: target process not responding
or HotSpot VM not loaded
at com.jvmtop.openjdk.tools.LocalVirtualMachine.loadManagementAgent(LocalVirtualMachine.java:341)
at com.jvmtop.openjdk.tools.LocalVirtualMachine.startManagementAgent(LocalVirtualMachine.java:137)
at com.jvmtop.openjdk.tools.ProxyClient.tryConnect(ProxyClient.java:367)
at com.jvmtop.openjdk.tools.ProxyClient.connect(ProxyClient.java:349)
at com.jvmtop.VMInfo.attachToVM(VMInfo.java:187)
at com.jvmtop.VMInfo.processNewVM(VMInfo.java:146)
at com.jvmtop.VMDetailView.<init>(VMDetailView.java:26)
at com.jvmtop.JvmTop.main(JvmTop.java:35)
Caused by: com.sun.tools.attach.AttachNotSupportedException: Unable to open
socket file: target process not responding or HotSpot VM not loaded
at sun.tools.attach.LinuxVirtualMachine.<init>(LinuxVirtualMachine.java:106)
at sun.tools.attach.LinuxAttachProvider.attachVirtualMachine(LinuxAttachProvider.java:63)
at com.sun.tools.attach.VirtualMachine.attach(VirtualMachine.java:213)
at com.jvmtop.openjdk.tools.LocalVirtualMachine.loadManagementAgent(LocalVirtualMachine.java:337)
... 7 more
Exception in thread "main" java.lang.NullPointerException
at com.jvmtop.VMDetailView.printView(VMDetailView.java:44)
at com.jvmtop.JvmTop.run(JvmTop.java:70)
at com.jvmtop.JvmTop.main(JvmTop.java:35)
inter01 jvmtop #
inter01 jvmtop # whoami
root
inter01 jvmtop #
inter01 jvmtop # ps -ef|grep 22654
tcatadm4 22654 1 0 May24 ? 00:03:11
/inter/tcatadm4/jre1.7.0_17/bin/java
-Djava.util.logging.config.file=/inter/tcatadm4/apache-tomcat-7.0.39/conf/loggin
g.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-server -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps
-Xloggc:/inter/tcatadm4/jdk-gc.log -XX:+DisableExplicitGC
-Dlog4j.configuration=file:/inter/solradm4/log4j.properties
-Dfile.encoding=utf-8 -Xms128m -Xmx256m -Dcollection.configName=ThreeFourConfig
-DzkHost=localhost:2181,localhost:2182,localhost:2183
-Djava.endorsed.dirs=/inter/tcatadm4/apache-tomcat-7.0.39/endorsed -classpath
/inter/tcatadm4/apache-tomcat-7.0.39/bin/bootstrap.jar:/inter/tcatadm4/apache-to
mcat-7.0.39/bin/tomcat-juli.jar
-Dcatalina.base=/inter/tcatadm4/apache-tomcat-7.0.39
-Dcatalina.home=/inter/tcatadm4/apache-tomcat-7.0.39
-Djava.io.tmpdir=/inter/tcatadm4/apache-tomcat-7.0.39/temp
org.apache.catalina.startup.Bootstrap start
root 25264 25148 0 12:52 pts/2 00:00:00 grep --colour=auto 22654
Original comment by nicflatt...@gmail.com
on 27 May 2013 at 4:58
@nicflatterie
Can you please retry with 0.6.0 and tell me if this fixes the exceptions?
Original comment by patric.r...@gmail.com
on 6 Jun 2013 at 4:09
Original comment by patric.r...@gmail.com
on 11 Jun 2013 at 6:41
Changing this status to fixed. If you still seeing this issue, reopen or create
a new issue.
Original comment by patric.r...@gmail.com
on 18 Jul 2013 at 1:57
Original comment by patric.r...@gmail.com
on 18 Jul 2013 at 1:57
Original issue reported on code.google.com by
christer...@devcode.se
on 29 Apr 2013 at 7:27