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Posted to dev@tomcat.apache.org by bu...@apache.org on 2018/11/01 02:46:21 UTC
[Bug 62873] New: Tomcat Monitor application will update multi-string
values in Windows registry with blank lines
https://bz.apache.org/bugzilla/show_bug.cgi?id=62873
Bug ID: 62873
Summary: Tomcat Monitor application will update multi-string
values in Windows registry with blank lines
Product: Tomcat 8
Version: 8.5.34
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: Meta
Assignee: dev@tomcat.apache.org
Reporter: brandon.white@tasktop.com
Target Milestone: ----
This is a Windows-platform specific issue.
The Tomcat Monitor application does not prevent a user from accidentally
inserting blank lines into the Java Options or Java 9 Options text areas. If a
blank line is introduced into either text area and the changes are applied (by
hitting the Apply or OK button), the changes are committed to the associating
multi-string value in the Windows registry.
If a user were to relaunch the Tomcat Monitor application and view the Java or
Java 9 Options again, they would see that the content has been clipped.
Individual options above the blank line would remain but any below would not be
present. If the Windows Registry editor were used to view the associating
multi-string values, they would see all of the content including the blank
line.
Changing the options again from within the Tomcat Monitor application will
succeed but when the options are committed to the registry multi-string value,
any options that existed below the blank line will be removed.
Note that the Windows registry editor will display an error dialog if a user
attempts to save a multi-string value with an empty line present. The message
is: "Data of type REG_MULTI_SZ cannot contain empty strings. Registry Editor
will remove all empty strings found."
Steps to Reproduce:
1) Download latest Tomcat 8 distribution for windows
2) Run service.bat install to install the default tomcat8 service.
3) Run tomcat8w.exe to start the tomcat monitor application.
4) Switch to the Java tab and edit either the Java Options or Java 9 Options.
Insert a blank line somewhere in the middle of the text area. Click OK
5) Run tomcat8w.exe again. Look at the Java Options or Java 9 Options where the
blank line was inserted. Notice that all options below the blank line are not
visible.
6) Open up the registry editor and navigate to the multi-string value
associated with the Java (9) Options text area:
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Apache Software Foundation\Procrun
2.0\Tomcat8\Parameters\Java
7) Notice that all content is present (including the blank line) in the
registry value.
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[Bug 62873] Tomcat Monitor application will update multi-string
values in Windows registry with blank lines
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=62873
--- Comment #2 from Brandon White <br...@tasktop.com> ---
Thank you for the heads-up Mark. I created a bug against the Apache Commons
Daemon project here: https://issues.apache.org/jira/browse/DAEMON-394
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[Bug 62873] Tomcat Monitor application will update multi-string
values in Windows registry with blank lines
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=62873
@Care2Technology <to...@vmailcloud.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |toducevu@vmailcloud.com
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[Bug 62873] Tomcat Monitor application will update multi-string
values in Windows registry with blank lines
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=62873
@Care2Technology <to...@vmailcloud.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |MassUpdate
URL| |http://800support-number.co
| |m/microsoft-support/
--- Comment #3 from @Care2Technology <to...@vmailcloud.com> ---
The big news right now is that you usually don't have anything to do! If you
have fully enabled automatic updates, all new updates will be automatically
downloaded and installed when available on your system, so you do not need to
think about it. And if there is a problem, you can get help immediately by
calling the Microsoft support phone number.
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[Bug 62873] Tomcat Monitor application will update multi-string
values in Windows registry with blank lines
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=62873
Mark Thomas <ma...@apache.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |MOVED
OS| |All
--- Comment #1 from Mark Thomas <ma...@apache.org> ---
This issue needs to be created against Apache Commons Daemon which is the
component that provides the Windows Service Wrapper for Apache Tomcat.
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