----------------------------------------------------------------
BEFORE YOU POST, search the faq at <http://java.apache.org/faq/>
WHEN YOU POST, include all relevant version numbers, log files,
and configuration files. Don't make us guess your problem!!!
----------------------------------------------------------------
Pooja Mittal
[EMAIL PROTECTED]
Kenneth I have faced the same problem and I guess this is because you are
using windows NT workstation, you have to upgrade your system either to
linux or windows Nt server.
Thanks
Pooja
----- Original Message -----
From: Kenneth Westelinck <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: September 20, 2000 3:17 PM
Subject: Re: running servlets on apache
> ----------------------------------------------------------------
> BEFORE YOU POST, search the faq at <http://java.apache.org/faq/>
> WHEN YOU POST, include all relevant version numbers, log files,
> and configuration files. Don't make us guess your problem!!!
> ----------------------------------------------------------------
>
> Hi,
> I've browsed to most of the FAQ but I didn't come accross the problem I'm
> experiencing.
>
> I've installed Apache 1.3.12 and JServ 1.1.2 on a Windows NT4 Workstation.
> My configuration files for
>
> http://my.host.name/servlets/Helloworld displays the message "Internal
> Server Error". I know this is described in the FAQ and I have done
> everything there's suggested but I still get this error.
>
> Here are my log files after trying to connect to the URL:
>
> JServ.log:
>
> [20/09/2000 10:08:48:250 GMT+02:00] Listening on port 8007 accepting 50
> maximum connections
> [20/09/2000 10:08:48:260 GMT+02:00] Creating Servlet Zones
> [20/09/2000 10:08:48:260 GMT+02:00] Servlet Zone root initializing...
> [20/09/2000 10:08:48:260 GMT+02:00] - Using configuration file:
> c:\Program Files\Apache Group\Apache JServ 1.1.2\servlets\zone.properties
> [20/09/2000 10:08:48:290 GMT+02:00] Initialisation timeout: 10 seconds
> [20/09/2000 10:08:48:290 GMT+02:00] Destroy timeout: 10 seconds
> [20/09/2000 10:08:48:290 GMT+02:00] Session timeout: 1800 seconds
> [20/09/2000 10:08:48:290 GMT+02:00] New session timeout: 1800 seconds
> [20/09/2000 10:08:48:290 GMT+02:00] Session check frequency: 30 seconds
> [20/09/2000 10:08:48:290 GMT+02:00] Autoreload on zone file changes: true
> [20/09/2000 10:08:48:290 GMT+02:00] Autoreload on classfile changes: true
> [20/09/2000 10:08:48:300 GMT+02:00] Default initArgs: {}
> [20/09/2000 10:08:48:310 GMT+02:00] Creating new sessions hashtable.
> [20/09/2000 10:08:48:310 GMT+02:00] Servlet Zone root initialization
> complete
> [20/09/2000 10:09:05:495 GMT+02:00] java.lang.AbstractMethodError:
> org/apache/jserv/JServContext.getAttributeNames
> at javax.servlet.GenericServlet.getServletName(GenericServlet.java:368)
> at javax.servlet.GenericServlet.log(GenericServlet.java:300)
> at javax.servlet.GenericServlet.init(GenericServlet.java:257)
> at
>
org.apache.jserv.JServServletManager.load_init(JServServletManager.java:579)
> at
>
org.apache.jserv.JServServletManager.loadServlet(JServServletManager.java:49
8)
> at
org.apache.jserv.JServConnection.processRequest(JServConnection.java:269)
> at org.apache.jserv.JServConnection.run(JServConnection.java:188)
> at java.lang.Thread.run(Thread.java:479)
>
> mod_jserv.properties:
>
> [20/09/2000 08:39:01:818] (ERROR) ajp12: Servlet Error:
> java.lang.AbstractMethodError:
> org/apache/jserv/JServContext.getAttributeNames:
> org/apache/jserv/JServContext.getAttributeNames
> [20/09/2000 08:39:01:818] (ERROR) an error returned handling request via
> protocol "ajpv12"
>
> Here are my configuration files:
>
> jserv.conf:
>
>
>
############################################################################
###
> # Apache JServ Configuration File
> #
>
############################################################################
###
>
> # Note: this file should be appended or included into your httpd.conf
>
> # Tell Apache on win32 to load the Apache JServ communication module
> LoadModule jserv_module
> "c:\progra~1\apache~1\apache~1.2\ApacheModuleJServ.dll"
>
> # Tell Apache on Unix to load the Apache JServ communication module
> # For shared object builds only!!!
> #LoadModule jserv_module libexec/mod_jserv.so
>
> <IfModule mod_jserv.c>
>
> # Whether Apache must start Apache JServ or not (On=Manual Off=Autostart)
> # Syntax: ApJServManual [on/off]
> # Default: "Off"
> ApJServManual off
>
> # Properties filename for Apache JServ in Automatic Mode.
> # In manual mode this directive is ignored
> # Syntax: ApJServProperties [filename]
> # Default: "./conf/jserv.properties"
> ApJServProperties "c:\progra~1\apache~1\apache~1.2\conf\jserv.properties"
>
> # Log file for this module operation relative to Apache root directory.
> # Set the name of the trace/log file. To avoid possible confusion about
> # the location of this file, an absolute pathname is recommended.
> #
> # This log file is different than the log file that is in the
> # jserv.properties file. This is the log file for the C portion of Apache
> # JServ.
> #
> # On Unix, this file must have write permissions by the owner of the JVM
> # process. In other words, if you are running Apache JServ in manual mode
> # and Apache is running as user nobody, then the file must have its
> # permissions set so that that user can write to it.
> # Syntax: ApJServLogFile [filename]
> # Default: "./logs/mod_jserv.log"
> # Note: when set to "DISABLED", the log will be redirected to Apache error
> log
> ApJServLogFile "c:\progra~1\apache~1\apache~1.2\logs\mod_jserv.log"
>
> # Log Level for this module
> # Syntax: ApJServLogLevel [debug|info|notice|warn|error|crit|alert|emerg]
> # Default: info (unless compiled w/ JSERV_DEBUG, in which case it's
> debug)
> ApJServLogLevel notice
>
> # Protocol used by this host to connect to Apache JServ
> # (see documentation for more details on available protocols)
> # Syntax: ApJServDefaultProtocol [name]
> # Default: "ajpv12"
> ApJServDefaultProtocol ajpv12
>
> # Default host on which Apache JServ is running
> # Syntax: ApJServDefaultHost [hostname]
> # Default: "localhost"
> #ApJServDefaultHost java.apache.org
> ApJServDefaultHost dis000085.dis.be
>
> # Default port that Apache JServ is listening to
> # Syntax: ApJServDefaultPort [number]
> # Default: protocol-dependant (for ajpv12 protocol this is "8007")
> ApJServDefaultPort 8007
>
> # The amount of time to give to the JVM to start up as well
> # as the amount of time to wait to ping the JVM to see if it
> # is alive. Slow or heavily loaded machines might want to
> # increase this value.
> # Default: 10 seconds
> # ApJServVMTimeout 10
>
> # Passes parameter and value to specified protocol.
> # Syntax: ApJServProtocolParameter [name] [parameter] [value]
> # Default: NONE
> # Note: Currently no protocols handle this. Introduced for future
protocols.
>
> # Apache JServ secret key file relative to Apache root directory.
> # Syntax: ApJServSecretKey [filename]
> # Default: "./conf/jserv.secret.key"
> # Warning: if authentication is DISABLED, everyone on this machine (not
just
> # this module) may connect to your servlet engine and execute servlet
> # bypassing web server restrictions. See the documentation for more
> information
> #ApJServSecretKey c:/ApacheJServ/conf/jserv.secret.key
> ApJServSecretKey DISABLED
>
> # Mount point for Servlet zones
> # (see documentation for more information on servlet zones)
> # Syntax: ApJServMount [name] [jserv-url]
> # Default: NONE
> # Note: [name] is the name of the Apache URI path to mount jserv-url on
> # [jserv-url] is something like "protocol://host:port/zone"
> # If protocol, host or port are not specified, the values from
> # "ApJServDefaultProtocol", "ApJServDefaultHost" or "ApJServDefaultPort"
> # will be used.
> # If zone is not specified, the zone name will be the first subdirectory
of
> # the called servlet.
> # Example: "ApJServMount /servlets /myServlets"
> # if user requests "http://host/servlets/TestServlet"
> # the servlet "TestServlet" in zone "myServlets" on default host
> # thru default protocol on defaul port will be requested
> # Example: "ApJServMount /servlets ajpv12://localhost:8007"
> # if user requests "http://host/servlets/myServlets/TestServlet"
> # the servlet "TestServlet" in zone "myServlets" will be requested
> # Example: "ApJServMount /servlets
> ajpv12://jserv.mydomain.com:15643/myServlets"
> # if user requests "http://host/servlets/TestServlet" the servlet
> # "TestServlet" in zone "myServlets" on host "jserv.mydomain.com" using
> # "ajpv12" protocol on port "15643" will be executed
> ApJServMount /servlets /root
> #ApJServMount /servlet /root
> #ApJServMount /servlets ajpv12://localhost:8007/root
>
> # Whether <VirtualHost> inherits base host mount points or not
> # Syntax: ApJServMountCopy [on/off]
> # Default: "On"
> # Note: This directive is meaninful only when virtual hosts are being used
> ApJServMountCopy on
>
> # Executes a servlet passing filename with proper extension in
> PATH_TRANSLATED
> # property of servlet request.
> # Syntax: ApJServAction [extension] [servlet-uri]
> # Defaults: NONE
> # Notes: This is used for external tools.
> #ApJServAction .jsp /servlets/org.gjt.jsp.JSPServlet
> #ApJServAction .gsp /servlets/com.bitmechanic.gsp.GspServlet
> #ApJServAction .jhtml /servlets/org.apache.servlet.ssi.SSI
> #ApJServAction .xml /servlets/org.apache.cocoon.Cocoon
>
> # Enable the Apache JServ status handler with the URL of
> # "http://servername/jserv/" (note the trailing slash!)
> # Change the "deny" directive to restrict access to this status page.
> <Location /jserv/>
> SetHandler jserv-status
>
> order deny,allow
> deny from all
> allow from 127.0.0.1
> </Location>
>
> ############################## W A R N I N G
> ##################################
> # Remember to disable or otherwise protect the execution of the Apache
JServ
> #
> # Status Handler (see right above) on a production environment since this
> may #
> # give untrusted users the ability to obtain restricted information on
your
> #
> # servlets and their initialization arguments such as JDBC passwords and
> #
> # other important information. The Apache JServ Status Handler should be
> #
> # accessible only by system administrators.
> #
>
############################################################################
###
>
> </IfModule>
>
>
> jserv.properties:
>
>
############################################################################
###
> # Apache JServ Configuration File
> #
>
############################################################################
###
>
> ################################ W A R N I N G
> ################################
> # Unlike normal Java properties, JServ configurations have some important
> # extentions:
> #
> # 1) commas are used as token separators
> # 2) multiple definitions of the same key are concatenated in a
> # comma-separated list.
>
############################################################################
###
>
> #
> # Execution parameters
> #######################
>
> # The Java Virtual Machine interpreter.
> # Syntax: wrapper.bin=[filename] (String)
> # Note: specify a full path if the interpreter is not visible in your
path.
> wrapper.bin=c:\jdk121\bin\java.exe
>
> # Arguments passed to Java interpreter (optional)
> # Syntax: wrapper.bin.parameters=[parameters] (String)
> # Default: NONE
>
> # Apache JServ entry point class (should not be changed)
> # Syntax: wrapper.class=[classname] (String)
> # Default: "org.apache.jserv.JServ"
>
> # Arguments passed to main class after the properties filename (not used)
> # Syntax: wrapper.class.parameters=[parameters] (String)
> # Default: NONE
> # Note: currently not used
>
> # PATH environment value passed to the JVM
> # Syntax: wrapper.path=[path] (String)
> # Default: "/bin:/usr/bin:/usr/local/bin" for Unix systems
> # "c:\(windows-dir);c:\(windows-system-dir)" for Win32 systems
> # Notes: if more than one line is supplied these will be concatenated
using
> # ":" or ";" (depending wether Unix or Win32) characters
> # Under Win32 (windows-dir) and (windows-system-dir) will be
> # automatically evaluated to match your system requirements
>
> # CLASSPATH environment value passed to the JVM
> # Syntax: wrapper.classpath=[path] (String)
> # Default: NONE (Sun's JDK/JRE already have a default classpath)
> # Note: if more than one line is supplied these will be concatenated using
> # ":" or ";" (depending wether Unix or Win32) characters. JVM must
be
> # able to find JSDK and JServ classes and any utility classes used
by
> # your servlets.
> # Note: the classes you want to be automatically reloaded upon
modification
> # MUST NOT be in this classpath or the classpath of the shell
> # you start the Apache from.
> #
> wrapper.classpath=c:\progra~1\apache~1\apache~1.2\ApacheJServ.jar
> wrapper.classpath=d:\myhome\java_ext\jakart~1.0\lib\jsdk.jar
>
> # An environment name with value passed to the JVM
> # Syntax: wrapper.env=[name]=[value] (String)
> # Default: NONE on Unix Systems
> # SystemDrive and SystemRoot with appropriate values on Win32
> systems
>
> # An environment name with value copied from caller to Java Virtual
Machine
> # Syntax: wrapper.env.copy=[name] (String)
> # Default: NONE
>
> # Copies all environment from caller to Java Virtual Machine
> # Syntax: wrapper.env.copyall=[true|false] (boolean)
> # Default: false
>
> # Protocol used for signal handling
> # Syntax: wrapper.protocol=[name] (String)
> # Default: ajpv12
>
> #
> # General parameters
> ######################
>
> # Set the default IP address or hostname Apache JServ binds (or listens)
to.
> #
> # If you have a machine with multiple IP addresses, this address
> # will be the one used. If you set the value to localhost, it
> # will be resolved to the IP address configured for the locahost
> # on your system (generally this is 127.0.0.1). This feature is so
> # that one can have multiple instances of Apache JServ listening on
> # the same port number, but different IP addresses on the same machine.
> # Use bindaddress=* only if you know exactly what you are doing here,
> # as it could let JServ wide open to the internet.
> # You must understand that JServ has to answer only to Apache, and should
> not
> # be reachable by nobody but mod_jserv. So localhost is usually a
> # good option. The second best choice would be an internal network address
> # (protected by a firewall) if JServ is running on another machine than
> Apache.
> # Ask your network admin.
> # "*" _may_ be used on boxes where some of the clients get connected using
> # "localhost"and others using another IP addr.
> #
> # Syntax: bindaddress=[ipaddress] or [localhost] or [*]
> # Default: localhost
> bindaddress=dis000085.dis.be
>
> # Set the port Apache JServ listens to.
> # Syntax: port=[1024,65535] (int)
> # Default: 8007
> port=8007
>
> #
> # Servlet Zones parameters
> ###########################
>
> # List of servlet zones Apache JServ manages
> # Syntax: zones=[servlet zone],[servlet zone]... (Comma separated list of
> String)
> # Default: NONE
> zones=root
>
> # Configuration file for each servlet zone (one per servlet zone)
> # Syntax: [servlet zone name as on the zones list].properties=[full path
to
> configFile] (String)
> # Default: NONE
> # Note: if the file could not be opened, try using absolute paths.
> root.properties=C:\Program Files\Apache Group\Apache JServ
> 1.1.2\servlets\zone.properties
>
> #
> # Thread Pool parameters
> #########################
>
> # Enables or disables the use of the thread pool.
> # Syntax: pool=[true|false] (boolean)
> # Default: false
> # WARNING: the pool has not been extensively tested and may generate
> deadlocks.
> # For this reason, we advise against using this code in production
> environments.
> pool=false
>
> # Indicates the number of idle threads that the pool may contain.
> # Syntax: pool.capacity=(int)>0
> # Default: 10
> # NOTE: depending on your system load, this number should be low for
> contantly
> # loaded servers and should be increased depending on load bursts.
> pool.capacity=10
>
> # Indicates the pool controller that should be used to control the
> # level of the recycled threads.
> # Syntax: pool.controller=[full class of controller] (String)
> # Default: org.apache.java.recycle.DefaultController
> # NOTE: it is safe to leave this unchanged unless special recycle behavior
> # is needed. Look at the "org.apache.java.recycle" package javadocs for
more
> # info on other pool controllers and their behavior.
> pool.controller=org.apache.java.recycle.DefaultController
>
> #
> # Security parameters
> #####################
>
> # Enable/disable the execution of org.apache.jserv.JServ as a servlet.
> # This is disabled by default because it may give informations that should
> # be restricted.
> # Note that the execution of Apache JServ as a servlet is filtered by the
> web
> # server modules by default so that both sides should be enabled to let
this
> # service work.
> # This service is useful for installation and configuration since it gives
> # feedback about the exact configurations Apache JServ is using, but it
> should
> # be disabled when both installation and configuration processes are done.
> # Syntax: security.selfservlet=[true|false] (boolean)
> # Default: false
> # WARNING: disable this in a production environment since may give
reserved
> # information to untrusted users.
> security.selfservlet=true
>
> # Set the maximum number of socket connections Apache JServ may handle
> # simultaneously. Make sure your operating environment has enough file
> # descriptors to allow this number.
> # Syntax: security.maxConnections=(int)>1
> # Default: 50
> security.maxConnections=50
>
> # Backlog setting for very fine performance tunning of JServ.
> # Unless you are familiar to sockets leave this value commented out.
> # security.backlog=5
>
> # List of IP addresses allowed to connect to Apache JServ. This is a first
> # security filtering to reject possibly unsecure connections and avoid the
> # overhead of connection authentication.
> # <warning>
> # (please don't use the following one unless you know what you are doing :
> # security.allowedAddresses=DISABLED
> # allows connections on JServ'port from entire internet.)
> # You do need only to allow YOUR Apache to talk to JServ.
> # </warning>
> #
> # Default: 127.0.0.1
> # Syntax: security.allowedAddresses=[IP address],[IP Address]... (Comma
> separated list of IP addresses)
> security.allowedAddresses=10.101.81.134, 10.101.81.130
>
> # Enable/disable connection authentication.
> # NOTE: unauthenticated connections are a little faster since
authentication
> # handshake is not performed at connection creation.
> # WARNING: authentication is disabled by default because we believe that
> # connection restriction from all IP addresses but localhost reduces your
> # time to get Apache JServ to run. If you allow other addresses to connect
> and
> # you don't trust it, you should enable authentication to prevent
untrusted
> # execution of your servlets. Beware: if authentication is disabled and
the
> # IP address is allowed, everyone on that machine can execute your
servlets!
> # Syntax: security.authentication=[true,false] (boolean)
> # Default: true
> security.authentication=false
>
> # Authentication secret key.
> # The secret key is passed as a file that must be kept secure and must
> # be exactly the same of those used by clients to authenticate themselves.
> # Syntax: security.secretKey=[secret key path and filename] (String)
> # Default: NONE
> # Note: if the file could not be opened, try using absolute paths.
> #security.secretKey=c:/ApacheJServ/servlets/jserv.secret.key
>
> # Length of the randomly generated challenge string (in bytes) used to
> # authenticate connections. 5 is the lowest possible choice to force a
safe
> # level of security and reduce connection creation overhead.
> # Syntax: security.challengeSize=(int)>5
> # Default: 5
> #security.challengeSize=5
>
> #
> # Logging parameters
> ####################
>
> # Enable/disable Apache JServ logging.
> # WARNING: logging is a very expensive operation in terms of performance.
> You
> # should reduced the generated log to a minumum or even disable it if fast
> # execution is an issue. Note that if all log channels (see below) are
> # enabled, the log may become really big since each servlet request may
> # generate many Kb of log. Some log channels are mainly for debugging
> # purposes and should be disabled in a production environment.
> # Syntax: log=[true,false] (boolean)
> # Default: true
> log=true
>
> # Set the name of the trace/log file. To avoid possible confusion about
> # the location of this file, an absolute pathname is recommended.
> #
> # This log file is different than the log file that is in the
> # jserv.conf file. This is the log file for the Java portion of Apache
> # JServ.
> #
> # On Unix, this file must have write permissions by the owner of the JVM
> # process. In other words, if you are running Apache JServ in manual mode
> # and Apache is running as user nobody, then the file must have its
> # permissions set so that that user can write to it.
> # Syntax: log.file=[log path and filename] (String)
> # Default: NONE
> # Note: if the file could not be opened, try using absolute paths.
> log.file=c:\progra~1\apache~1\apache~1.2\logs\jserv.log
>
> # Enable the timestamp before the log message
> # Syntax: log.timestamp=[true,false] (boolean)
> # Default: true
> log.timestamp=true
>
> # Use the given string as a data format
> # (see java.text.SimpleDateFormat for the list of options)
> # Syntax: log.dateFormat=(String)
> # Default: [dd/MM/yyyy HH:mm:ss:SSS zz]
> log.dateFormat=[dd/MM/yyyy HH:mm:ss:SSS zz]
>
> # Since all the messages logged are processed by a thread running with
> # minimum priority, it's of vital importance that this thread gets a
chance
> # to run once in a while. If it doesn't, the log queue overflow occurs,
> # usually resulting in the OutOfMemoryError.
> #
> # To prevent this from happening, two parameters are used:
log.queue.maxage
> # and log.queue.maxsize. The former defines the maximum time for the
logged
> # message to stay in the queue, the latter defines maximum number of
> # messages in the queue.
> #
> # If one of those conditions becomes true (age > maxage || size >
maxsize),
> # the log message stating that fact is generated and the log queue is
> # flushed in the separate thread.
> #
> # If you ever see such a message, either your system doesn't live up to
its
> # expectations or you have a runaway loop (probably, but not necessarily,
> # generating a lot of log messages).
> #
> # WARNING: Default values are lousy, you probably want to tweak them and
> # report the results back to the development team.
>
> # Syntax: log.queue.maxage = [milliseconds]
> # Default: 5000
> log.queue.maxage = 5000
>
> # Syntax: log.queue.maxsize = [integer]
> # Default: 1000
> log.queue.maxsize = 1000
>
> # Enable/disable logging the channel name
> # Default: false
> # log.channel=false
>
> # Enable/disable channels, each logging different actions.
> # Syntax: log.channel.[channel name]=[true,false] (boolean)
> # Default: false
>
> # Info channel - quite a lot of informational messages
> # hopefully you don't need them under normal circumstances
> log.channel.info=true
>
> # Servlets exception, i.e. exception caught during
> # servlet.service() processing are monitored here
> # you probably want to have this one switched on
> log.channel.servletException=true
>
> # JServ exception, caught internally in jserv
> # we suggest to leave it on
> log.channel.jservException=true
>
> # Warning channel, it catches all the important
> # messages that don't cause JServ to stop, leave it on
> log.channel.warning=true
>
> # Servlet log
> # All messages logged by servlets. Probably you want
> # this one to be switched on.
> log.channel.servletLog=true
>
> # Critical errors
> # Messages produced by critical events causing jserv to stop
> log.channel.critical=true
>
> # Debug channel
> # Only for internal debugging purposes
> log.channel.debug=true
>
> many thanks in advance
>
> Kenneth
> _________________________________________________________________________
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>
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