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From Thomas Neidhart <thomas.neidh...@gmail.com>
Subject Re: [daemon] ClassNotFoundException though class in path
Date Tue, 19 Nov 2013 17:53:05 GMT
On 11/19/2013 06:11 PM, Thad Humphries wrote:
> I've written a class called MultiThread which implements Daemon. However
> when I try to run it with jsvc, it fails although the class is clearly
> present in my classpath. What am I not seeing? The call and debug are below:
> 
> $ sudo ~/bin/jsvc -jvm server -debug -cp
> ~/.m2/repository/commons-daemon/commons-daemon/1.0.15/commons-daemon-1.0.15.jar:./target/MultiThread-1.0-SNAPSHOT.jar
> com.mindwrap.sample.thread.MultiThread once

try using an absolute path to the MultiThread jar file.

Thomas

> Password:
> +-- DUMPING PARSED COMMAND LINE ARGUMENTS --------------
> | Detach:          True
> | Show Version:    No
> | Show Help:       No
> | Check Only:      Disabled
> | Stop:            False
> | Wait:            0
> | Run as service:  No
> | Install service: No
> | Remove service:  No
> | JVM Name:        "server"
> | Java Home:       "null"
> | PID File:        "/var/run/jsvc.pid"
> | User Name:       "null"
> | Extra Options:   1
> |
> "-Djava.class.path=/Users/thad/.m2/repository/commons-daemon/commons-daemon/1.0.15/commons-daemon-1.0.15.jar:./target/MultiThread-1.0-SNAPSHOT.jar"
> | Class Invoked:   "com.mindwrap.sample.thread.MultiThread"
> | Class Arguments: 1
> |   "once"
> +-------------------------------------------------------
> Home not specified on command line, using environment
> Home not on command line or in environment, searching
> Attempting to locate Java Home in
> /System/Library/Frameworks/JavaVM.framework/Home
> Attempting to locate VM configuration file
> /System/Library/Frameworks/JavaVM.framework/Home/jre/lib/jvm.cfg
> Attempting to locate VM configuration file
> /System/Library/Frameworks/JavaVM.framework/Home/lib/jvm.cfg
> Found VM configuration file at
> /System/Library/Frameworks/JavaVM.framework/Home/lib/jvm.cfg
> Found VM client definition in configuration
> Checking library
> /System/Library/Frameworks/JavaVM.framework/Home/../Libraries/libclient.dylib
> Found VM jvm definition in configuration
> Checking library
> /System/Library/Frameworks/JavaVM.framework/Home/../Libraries/libjvm.dylib
> Found VM hotspot definition in configuration
> Checking library
> /System/Library/Frameworks/JavaVM.framework/Home/../Libraries/libhotspot.dylib
> Found VM server definition in configuration
> Checking library
> /System/Library/Frameworks/JavaVM.framework/Home/../Libraries/libserver.dylib
> Found VM classic definition in configuration
> Checking library
> /System/Library/Frameworks/JavaVM.framework/Home/../Libraries/libclassic.dylib
> Cannot locate library for VM classic (skipping)
> Java Home located in /System/Library/Frameworks/JavaVM.framework/Home
> +-- DUMPING JAVA HOME STRUCTURE ------------------------
> | Java Home:       "/System/Library/Frameworks/JavaVM.framework/Home"
> | Java VM Config.:
> "/System/Library/Frameworks/JavaVM.framework/Home/lib/jvm.cfg"
> | Found JVMs:      4
> | JVM Name:        "client"
> |
>  "/System/Library/Frameworks/JavaVM.framework/Home/../Libraries/libclient.dylib"
> | JVM Name:        "jvm"
> |
>  "/System/Library/Frameworks/JavaVM.framework/Home/../Libraries/libjvm.dylib"
> | JVM Name:        "hotspot"
> |
>  "/System/Library/Frameworks/JavaVM.framework/Home/../Libraries/libhotspot.dylib"
> | JVM Name:        "server"
> |
>  "/System/Library/Frameworks/JavaVM.framework/Home/../Libraries/libserver.dylib"
> +-------------------------------------------------------
> redirecting stdout to /dev/null and stderr to /dev/null
> Switching umask back to 022 from 077
> Using specific JVM in
> /System/Library/Frameworks/JavaVM.framework/Home/../Libraries/libserver.dylib
> Attemtping to load library
> /System/Library/Frameworks/JavaVM.framework/Home/../Libraries/libserver.dylib
> 
> thad@Thads-Mac-mini.local:~/jdevel/MultiThreadTest
> 621 $ JVM library
> /System/Library/Frameworks/JavaVM.framework/Home/../Libraries/libserver.dylib
> loaded
> Attemtping to load library
> /System/Library/Frameworks/JavaVM.framework/Home/../Libraries/libverify.dylib
> Shell library
> /System/Library/Frameworks/JavaVM.framework/Home/../Libraries/libverify.dylib
> loaded
> JVM library entry point found (0x09E34762)
> +-- DUMPING JAVA VM CREATION ARGUMENTS -----------------
> | Version:                       0x010004
> | Ignore Unrecognized Arguments: False
> | Extra options:                 1
> |
> "-Djava.class.path=/Users/thad/.m2/repository/commons-daemon/commons-daemon/1.0.15/commons-daemon-1.0.15.jar:./target/MultiThread-1.0-SNAPSHOT.jar"
> (0x00000000)
> +-------------------------------------------------------
> | Internal options:              4
> |   "-Dcommons.daemon.process.id=17848" (0x00000000)
> |   "-Dcommons.daemon.process.parent=17847" (0x00000000)
> |   "-Dcommons.daemon.version=1.0.15-dev" (0x00000000)
> |   "abort" (0x096a6f50)
> +-------------------------------------------------------
> Java VM created successfully
> Class org/apache/commons/daemon/support/DaemonLoader found
> Native methods registered
> java_init done
> Daemon loading...
> java.lang.ClassNotFoundException: com.mindwrap.sample.thread.MultiThread
> at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
> at
> org.apache.commons.daemon.support.DaemonLoader.load(DaemonLoader.java:151)
> Cannot load daemon
> java_load failed
> Service exit with a return value of 3
> 
> 
> As you can see, the class is in the jar:
> 
> $ jar tvf target/MultiThread-1.0-SNAPSHOT.jar
>      0 Tue Nov 19 12:08:06 EST 2013 META-INF/
>    168 Tue Nov 19 12:08:04 EST 2013 META-INF/MANIFEST.MF
>      0 Tue Nov 19 12:08:04 EST 2013 com/
>      0 Tue Nov 19 12:08:04 EST 2013 com/mindwrap/
>      0 Tue Nov 19 12:08:04 EST 2013 com/mindwrap/sample/
>      0 Tue Nov 19 12:08:04 EST 2013 com/mindwrap/sample/thread/
>   2255 Tue Nov 19 12:08:04 EST 2013
> com/mindwrap/sample/thread/MultiThread$ShutdownHook.class
>   4659 Tue Nov 19 12:08:04 EST 2013
> com/mindwrap/sample/thread/MultiThread.class
>    253 Tue Nov 19 12:08:04 EST 2013
> com/mindwrap/sample/thread/ShutdownHookTest$1.class
>    951 Tue Nov 19 12:08:04 EST 2013
> com/mindwrap/sample/thread/ShutdownHookTest$JVMShutdownHook.class
>   1191 Tue Nov 19 12:08:04 EST 2013
> com/mindwrap/sample/thread/ShutdownHookTest.class
>   2053 Tue Nov 19 12:08:04 EST 2013
> com/mindwrap/sample/thread/SubThread.class
>    282 Tue Nov 19 12:08:04 EST 2013
> com/mindwrap/sample/thread/SubThreadMBean.class
>      0 Tue Nov 19 12:08:06 EST 2013 META-INF/maven/
>      0 Tue Nov 19 12:08:06 EST 2013
> META-INF/maven/com.mindwrap.sample.thread/
>      0 Tue Nov 19 12:08:06 EST 2013
> META-INF/maven/com.mindwrap.sample.thread/MultiThread/
>   1679 Tue Nov 19 12:07:52 EST 2013
> META-INF/maven/com.mindwrap.sample.thread/MultiThread/pom.xml
>    129 Tue Nov 19 12:08:06 EST 2013
> META-INF/maven/com.mindwrap.sample.thread/MultiThread/pom.properties
> 
> 
> 


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