This would require a self-coded lock or something, I presume. It's
always good to have obfuscation on the java class code. Like Zack
mentions once its in somebody's hands, they could make changes.
If obfuscation is really as good as it sounds, wouldn't it be
possible to limit the applet that has
Gayathri,
Obfuscation could potentially help this. If your application checked for
the signature when running that would help as well. However, the bottom
line is that the user could decompile your code and change it and resell it.
There is no way to prevent this, but depending on your
Zack,
I have already signed my Java applet with a certificate from Thawte. But I
thought that
this means that Thawte certifies that noone has changed the jar file. But
what if after
accepting the certificate, some malicious user wishes to change the contents
of the jar file
by say changing some i
Gayathri,
Obfuscation would help prevent someone from decompiling and understanding
your code, but not from changing it. You should sign your JAR file. Tools
like Visual Cafe have this capability built in, or you can write a small
utility to do it yourself using the javax.cript package.
Zack,
Here is how I start my JVMs (Sun JDK 1.2.2) :
export LD_LIBRARY_PATH=$JAVA_HOME/lib/i386:$LD_LIBRARY_PATH
JDB_FLAGS="-Xdebug -Xnoagent
-Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n"
$JAVA_HOME/bin/java -Djava.compiler= $JDB_FLAGS mypackage.MyClass
Then start jdb :
jdb -a
Nathan,
This gets me a lot further. My JVM starts, but when I try to connect on
the port I specified, which is above 1024 and open, I get the connection
refused. When I use netstat to get all open ports the port that I have
specified for debugging use does not show up on the list.
Zack Grossbart wrote:
>
> Nathan,
>
> Thank you very much for your help. I need to pass a couple more flags than
> just -debug. When I launch:
>
> java -Djava.compiler=NONE -debug -Xbootclasspath:/path/to/my/jdk/jre/lib/rt.
> jar:/path/to/my/jdk/lib/tools.jar -Xrunjdwp:transport=dt_sh
Hi !
I have written a Java applet and we wish to make it into a product. I have
the applet setup so that all the
resources that it needs are within a jar file. How can I make sure that
other people to whom we may sell the
software will not be able to disassemble the code or change some of the
ima
Zack Grossbart wrote:
>
> Nathan,
>
> Thank you very much for your help. I need to pass a couple more flags than
> just -debug. When I launch:
>
> java -Djava.compiler=NONE -debug -Xbootclasspath:/path/to/my/jdk/jre/lib/rt.
> jar:/path/to/my/jdk/lib/tools.jar -Xrunjdwp:transport=dt_sh
Nathan,
Thank you very much for your help. I need to pass a couple more flags than
just -debug. When I launch:
java -Djava.compiler=NONE -debug -Xbootclasspath:/path/to/my/jdk/jre/lib/rt.
jar:/path/to/my/jdk/lib/tools.jar -Xrunjdwp:transport=dt_shmem,address=agfrn
,server=y,suspend=n m
Zack Grossbart wrote:
>
> Nathan,
>
> When I try to launch a JVM with the debug options it says there is no JDWP
> implementation available, and I can not find the JPDA or the JVMDI shared
> libraries in my JDK. I am using Blackdown RC-4. Do you know if there is
> anything that needs t
Nathan,
When I try to launch a JVM with the debug options it says there is no JDWP
implementation available, and I can not find the JPDA or the JVMDI shared
libraries in my JDK. I am using Blackdown RC-4. Do you know if there is
anything that needs to be installed on top of the JDK?
Th
On Wed, 19 Apr 2000, Paolo Ciccone wrote:
> On Tue, Apr 18, 2000 at 11:02:41AM -0400, Scott Murray wrote:
> > No WAG required, as I'm pretty sure. At Sun, FCS means "First Customer
> > Ship", which basically means the release version of a product. They
> > probably shouldn't be labelling the d
I am using DND, and everything works fine, with one exception. I have a
frame with a pane and this pane supports DND. When I close the window the
component peer become dereference from the component, and
java.awt.dnd.DropTarget.removeNotify method is called. This results in a
NullPointerExcepti
On Tue, Apr 18, 2000 at 11:02:41AM -0400, Scott Murray wrote:
> No WAG required, as I'm pretty sure. At Sun, FCS means "First Customer
> Ship", which basically means the release version of a product. They
> probably shouldn't be labelling the downloads with FCS, as it's not really
> meaningful
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