I'm trying to set up JMX on tomcat 6.0.19. Following the docs at
http://tomcat.apache.org/tomcat-6.0-doc/monitoring.html, I've added this
line to CATALINA_HOME/conf/tomcat6.conf:
CATALINA_OPTS="$CATALINA_OPTS -Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port=6969
-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.authenticate=false"
When I try to start tomcat with this in place, it crashes with just this
in catalina.out:
Could not load Logmanager "org.apache.juli.ClassLoaderLogManager"
java.lang.NullPointerException
at java.util.logging.Logger.getLogger(Logger.java:292)
at java.util.jar.Attributes.read(Attributes.java:422)
at java.util.jar.Manifest.read(Manifest.java:199)
at java.util.jar.Manifest.<init>(Manifest.java:69)
at java.util.jar.JarFile.getManifestFromReference(JarFile.java:177)
at java.util.jar.JarFile.getManifest(JarFile.java:163)
at
sun.misc.URLClassPath$JarLoader.getClassPath(URLClassPath.java:916)
at sun.misc.URLClassPath.getLoader(URLClassPath.java:317)
at sun.misc.URLClassPath.getResource(URLClassPath.java:184)
at java.net.URLClassLoader$1.run(URLClassLoader.java:209)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
at java.lang.ClassLoader.loadClass(ClassLoader.java:319)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
at java.lang.ClassLoader.loadClass(ClassLoader.java:264)
at java.util.logging.LogManager$1.run(LogManager.java:182)
at java.security.AccessController.doPrivileged(Native Method)
at java.util.logging.LogManager.<clinit>(LogManager.java:175)
at java.util.logging.Logger.getLogger(Logger.java:291)
at com.sun.jmx.remote.util.ClassLogger.<init>(ClassLogger.java:55)
at
sun.management.jmxremote.ConnectorBootstrap.<clinit>(ConnectorBootstrap.
java:739)
at sun.management.Agent.startAgent(Agent.java:147)
at sun.management.Agent.startAgent(Agent.java:289)
Exception in thread "main" java.lang.NoClassDefFoundError:
org/apache/catalina/startup/Bootstrap
Caused by: java.lang.ClassNotFoundException:
org.apache.catalina.startup.Bootstrap
at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
at java.lang.ClassLoader.loadClass(ClassLoader.java:319)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
at java.lang.ClassLoader.loadClass(ClassLoader.java:264)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:332)
Could not find the main class: org.apache.catalina.startup.Bootstrap.
Program will exit.
Any ideas as to what the trouble might be caused by, or what else I
could do to debug the problem?
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