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From Jeffrey Janner <Jeffrey.Jan...@PolyDyne.com>
Subject OT: Cannot start apache tomcat 7.0 if server path contains two consecutive spaces.
Date Thu, 01 Aug 2013 21:44:19 GMT
> -----Original Message-----
> From: Michael-O [mailto:1983-01-06@gmx.net]
> Sent: Thursday, August 01, 2013 1:10 PM
> To: Tomcat Users List
> Subject: Re: Cannot start apache tomcat 7.0 if server path contains two
> consecutive spaces.
> 
> Am 2013-08-01 15:41, schrieb Jeffrey Janner:
> >> -----Original Message-----
> >> From: André Warnier [mailto:aw@ice-sa.com]
> >> Sent: Wednesday, July 31, 2013 12:27 PM
> >> To: Tomcat Users List
> >> Subject: Re: Cannot start apache tomcat 7.0 if server path contains
> >> two consecutive spaces.
> >>
> >> TRAN Trung Thanh wrote:
> >>> Hi all,
> >>> I am newbie here.
> >>> Today, I tried to start apache tomcat 7.0.42 in Linux environment.
> >>> Server path contains two consecutive spaces. When I run
> >>> ./catalina.sh run, server cannot start and there is the following
> >>> exception in console
> >>>
> >>> ./catalina.sh run
> >>> Using CATALINA_BASE:   /home/example/twoconsecutive  spaces
> >>> Using CATALINA_HOME:   /home/example/twoconsecutive  spaces
> >>> Using CATALINA_TMPDIR: /home/example/twoconsecutive  spaces/temp
> >>> Using JRE_HOME:        /home/example/java/jdk1.6
> >>> Using CLASSPATH:       /home/example/twoconsecutive
> >>> spaces/bin/bootstrap.jar:/home/example/twoconsecutive
> >>> spaces/bin/tomcat-juli.jar
> >>> 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$1.run(URLClassLoader.java:202)
> >>>      at java.security.AccessController.doPrivileged(Native Method)
> >>>      at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
> >>>      at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> >>>      at
> sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> >>>      at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
> >>> Could not find the main class:
> org.apache.catalina.startup.Bootstrap.
> >>> Program will exit.
> >>>
> >>> Tomcat server can start if  server path does not contain
> consecutive
> >> space.
> >>>
> >>> Do anyone face to the same issue with me in this case? Have you any
> >>> suggestion to fix this issue?
> >>
> >> Yes : don't do that (using spaces in paths).
> >>
> >>     It is quite important for my deployment.
> >>>
> >>
> >> That's a pity.
> >> Spaces in paths (and filenames) are evil, and should never have been
> >> allowed in the first place.  A special place in hell is reserved for
> >> the genius who first allowed this stupid thing in an OS.  I wish I
> >> had
> >> 0.1 cent for every programming hour lost because of this.
> >>
> >> Technically, you can certainly find the correct way to quote them in
> >> any particular place and environment.  But usually, this is merely
> >> moving the problem to some other place further down the line, where
> >> it is even less visible and harder to find the bugs.
> >> I suppose the same could be said about any non-visible character,
> but
> >> spaces (along with
> >> TAB) are specially evil because in most environments, they are
> >> considered either as valid separators between words/tokens or as
> >> "non- significant".
> >>
> >> My serious recommendation would be to think really hard about a way
> >> to nip this in the bud, and avoid allowing them and using them in
> the
> >> first place.
> >> Think that if you allow them somewhere, and even if you quote them
> >> correctly there, you will have to continue quoting them
> >> (appropriately) everywhere else that you are using the corresponding
> >> strings.  It is almost guaranteed that this will bite you somewhere.
> >>
> >>
> >
> > Agree with everything Andre says here. Even under Windows, where the
> OS seems to handle it fine, as long as you're in the GUI, it is a
> problem.  You have to remember to quote the path everytime you want to
> use it at the command line level, or in PowerShell, etc.
> > It is really easier to remember that if you want the look of a space,
> but need a non-printable character, to just use the underbar.  How much
> easier things could be if instead of "My Documents" you could write
> My_Documents.  Still looks like two words but it is only one.
> > As long as you have control over the naming, you should follow this
> advise.
> > Jeff
> 
> I guess for that reason Microsoft has replaced the C:\Documents and
> Settings folder.
> 
Possibly, because it's now called "C:\Users". Now if they'd only abandon that silly backslash
file separator character...


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