Remote Debugging w/Eclipse Transport Error

I am requesting help on a problem I am encountering using remote debugging with eclipse and Weblogic 8.1.2. I have successfully used remote debugging in the past with other application servers, but I have been unsuccessful with Weblogic 8.1.
I have set the remote debugging options both on the weblogic start script as well as configured eclipse to connect to the port that was defined in the startup script (See Below). When I start the remote debugger within eclipse and it seems to connect properly. Once I set a break point or remove a break point, weblogic generates a "Transport error, error code = -1" and stops the debugger with in Eclipse.
At this point I am at a loss of what is causing this error. I would appreciate any help on this issue.
Operating System: WindowsXP Pro
Weblogic Version: 8.1.2
Eclipse 3.2
JDK 1.4.2
JAVA_OPTS: =-Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,address=7777,server=y,suspend=n
Thanks!
Rafael Salazar

Interesting. I tried it and it works. you might want to check your Eclipse port number. In addition try netstat -a to see if port 1044 is active.
This one might also help: http://www.jacoozi.com/index.php?option=com_content&task=view&id=119&Itemid=134
Let me know if you have any questions.

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Remote Debugging w/ Eclipse and Weblogic

Hi,
          I'd like to debug my Servlets/EJB's running on a Weblogic 6.1 SP4. My
          IDE is Eclipse 2.1
          To enable remote debugging I start Weblogic with that additional JVM
          options:
          -classic -Xdebug -Xnoagent
          -Xrunjdwp:transport=dt_socket,address=5000,suspend=y,server=y
          and configured my Remote Application in Eclipse accordingly.
          The connection successes.
          Problem: When I reach my breakpoint, Eclipse pops up an error message:
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          that has no line number attributes. The breakpoint cannot be
          installed. Class files must be generated with the line number
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          Any comments and ideas are appreciated.
          Cheers,
          Jan.


Sorry!
          the debug option was NOT enabled (seems that my ant script is too
          complex at this stadium...)
          Cheers,
          Jan.
          [email protected] (Jan-Friedrich Mutter) wrote in message news:<[email protected]>...
          > Hi,
          >
          > I'd like to debug my Servlets/EJB's running on a Weblogic 6.1 SP4. My
          > IDE is Eclipse 2.1
          > To enable remote debugging I start Weblogic with that additional JVM
          > options:
          >
          > -classic -Xdebug -Xnoagent
          > -Xrunjdwp:transport=dt_socket,address=5000,suspend=y,server=y
          >
          > and configured my Remote Application in Eclipse accordingly.
          >
          > The connection successes.
          >
          > Problem: When I reach my breakpoint, Eclipse pops up an error message:
          > "Attempting to install a breakpoint in the type
          > com.xxx....
          > that has no line number attributes. The breakpoint cannot be
          > installed. Class files must be generated with the line number
          > attributes.
          > Reason:
          > Absent Line Number Information"
          >
          > I compiled my sources with enabled debug option.
          >
          > Any comments and ideas are appreciated.
          >
          > Cheers,
          > Jan.

Remote debug on Eclipse

Hi,all
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I appreciate anyone tell me how to solve this problem or how can I use shared memoy type in eclipse remote debug?
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Hi,
I am also facing this problem in debug mode in Eclipse 3.1.1 .
We are trying to run a huge JNI call to an exe which makes use of
win32 and mfc dlls . please help . is it possible to make jni calls from java program in eclipse . am not getting any exceptions but the .exe file is not running . any help would be great ...
email : [email protected]
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Remote Debugging in Eclipse

hi,
I am using Eclipse3.1 and Tomcat 5.
While doing remote debugging ,i got a message Failed to connect to remote VM.i searched for forum about this.i got solution but i couldn't rectify this.can any one tell where to insert the line in the tomcat's start.bat ? How to start the tomcat? and remaining settings in Eclipse .I need step by step process.
my task is to connect to the remote unix server.i dont know how to connect to the server with giving the values of hostname,userid and password .
Kindly help me ,I spent 2 weeks in this.
thanking you.

You need to start the remove VM in debug mode. For that you need to start with following options
java -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=4000
Then try connecting to Remote VM with IP/Port number 4000.

Remote Debug in eclipse

Hello!
I am new to eclipse...Can someone tell me how to use remote debug? I thought it is done by running "Debug..." after selecting the java file...Sorry for being so ignorant about this...I will really appreciate your help. Thank you.

You do not have to have a main() method in the application. In fact you can have a breakpoint in any Java component. It just has to be in debugger's scope and it'll get visited.
Example: Let's say you're rinning a Tomcat app. You can have a breakpoint inside a servlet's doGet() methof and when you invkoke the servlet from Firefox, Eclipse will pause the excution and will bring the debugger perspective up.
From the article "Eclipse Debug window should automatically pop-up with the stack pointer on your first breakpoint (See Figure 3: Breakpoint hit in Eclipse's debugger). After that, you can use all the various functions that the debugger has to offer, namely variable assignments, step-into, drop to frame, etc."
If you're not seeining anything, chances are that you're not executing that piece of code. Double check that and let me know.
Levent Gurses

Remote debugging with Eclipse and WS7

Any idea how I can set this up?
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Not true. You can do it through Eclipse with settings set in the server.xml <jvm> tag. I know because I asked this quetion a few years ago and implented the information.
Why am I asking again. Well I lost the e-mail with the information (Heh the inbox got full and I dumped old e-mails) Now I'm collecting old tips to keep just in case I run across the problem again. Not every company moves on to the last technology. Some hang on to some out dated stuff.
Thanks for the suggestion I know of NetBeans and think its one of many great IDE tools.

Remote debuging with Eclipse and Sun WebServer 7

Does any have an Idea how this can be done?
Thanks

This is not the right forum for this question. The right forum might be http://forum.java.sun.com/forum.jspa?forumID=759

Remote Debugging Weblogic 92 application using Eclipse 3.4

Hi,
1. I have the below debug options in the startweblogic script.
set JAVA_OPTIONS=-Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,server=y,address=javadebug,suspend=n
2. I have configured remote debugging in Eclipse. Connection type - Standard Socket (attach), host =localhost, port 7001. 7001 is the listen port that I have specified in config.xml.
3. When I run weblogic, I see the message listening for transport dt_socket address. Since address=javadebug, each time the dt_socket address is different.
4. In Eclipse IDE, the debug prespective indicates the server has started. But when I click on the debug buttin in the Debug configuration dialog, I get the error below
Failed to connect to remote VM. Connection timed out.
org.eclipse.jdi.TimeoutException
Note: Another thread in this forum mentions using the same port that is specified in the java_options but that did not work either. Any ideas what might be wrong?
Thanks.
RS.

I think that value of "javadebug" is only used for shared memory transport, not socket transport. You have to choose a port that isn't being used by anything else. The value 8453 is a typical default value for this. Specify that instead of "javadebug", and use 8453 in your connection from Eclipse.

Debugging using Eclipse and non-standalone 10g

Hey - is it possible to perform remote debugging using Eclipse against the non-standalone version of the 10g App Server? I've tried some of the hints listed in this forum (the most promising seemed to be starting oc4j using this command-line command:
java -classic -Xdebug -Xnoagent -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=2727 -jar oc4j.jar, then connecting with the Eclipse debugger, which I managed to do - though I had to change one of the parameters because the designated file [a timezone file] could not be found - after the change things seemed to start up correctly. However, when I tried to hit http://localhost:2727 I got a "server not found or DNS error"). I don't know if the debugging works with the non-standalone version of 10g or not... or if I should be using some other startup command so hopefully y'all can help :)
Thanks,
Scott

Scott, apparently you have fallen pray of one of the most common misunderstandings of oc4j. Oc4j, namely, Oracle Application Server Container for j2ee, is a COMPLETE j2ee server. It supports http and https by itself. It is also an ejb container and a lot more. It can be used as a standalone or, with a different configuration, integrated into Oracle Application Server as its core component.
When you use the command "java -jar oc4j.jar ...", you are starting an instance of "standalone oc4j" or "oc4j standalone" as mentioned above, albeit from an OAS installation. In contrast, you can start one instance of Oracle Application Server by "<ORACLE_HOME>/opmn/bin/opmn startall", which will starts, besides several other components, one or several oc4j processes as its oc4j component. This OAS is an HTTP server that takes initial requests and routs the requests that are for OC4J to OC4J server. It may handle some of the requests by itself, or routs other http requests to other components, like mod_plsql. Finally, what we usually called "farm" is a collection of OAS clusters and instances that share the same OAS Infrastructure.
What I have written is just a tiny mini introduction of the OAS. For starters, oc4j is for use by development and small-medium scale production deployments. Plese take a look at the book "Oracle Application Server Containers for J2EE Standalone User's Guide" and then, "Oracle Application Server Concepts". You can find them by
1. go to http://otn.oracle.com
2. select "documentation" pull-down menu and then "application server"
3. go to the first "view library" or the one suits you.
4. view the "Oracle Application Server Concepts"
5. or go to "List of All Books" and you will see all of them!
Well, the best place to self-teach oc4j is, besides googling with site:oracle.com, the oc4j homepage,
http://www.oracle.com/technology/tech/java/oc4j/index.html
The above is written in case you need more information. Now let me come to your specific questions.
1. how to hit the OC4J instance directly, bypassing an HTTP server entry?Since what you started is an oc4j standalone, it does not make any sense to say "bypassing an HTTP server entry". Oc4j instance itself IS an http server. To access its http service, try
http://<yourHostNameOrIP>:<httpPort>/<yourAppWebContextRoot>
where the httpPort and yourAppWebContextRoot can be found in default-web-site.xml or http-web-site.xml. Which one or other web-site.xmls are effective is determined in <OC4J_HOME>/config/server.xml. Here the OC4J_HOME refers to your "C:/OraHome1/j2ee/home".
2. how to get the HTTP server started via the command-line startup?As said above, you already got an HTTP server running.
What I suggest for you is to play with oc4j standalone. You can come to OAS later:
1. download oc4j standalone distribution, "Oracle Containers for J2EE 10g (10.1.3) Developer Preview 3", from here "http://www.oracle.com/technology/software/products/ias/preview.html"
2. unzip the downloaded file. What you get is basically the same to a part of your existing "C:/OraHome". Go to j2ee/home. Run
java -Xdebug -Xnoagent -Djava.compiler=none -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=3301 -jar oc4j.jar
Make sure you are using java 1.4.2 sdk.
3. "new" your remote debugger from Eclicpse and specify the hostname and port 3301.
4. http://<yourHost>:8888/
A further note: to debug jsp's, you can use Jdeveloper that allows you to set debug points directly in a jsp that is running in its embeded oc4j server.

Weblogic 8.1 Remote Debugging Setup

I am requesting help on a problem I am encountering using remote debugging with eclipse and Weblogic 8.1.2. I have successfully used remote debugging in the past with other application servers, but I have been unsuccessful with Weblogic 8.1.
I have set the remote debugging options both on the weblogic start script as well as configured eclipse to connect to the port that was defined in the startup script (See Below). When I start the remote debugger within eclipse and it seems to connect properly. Once I set a break point or remove a break point, weblogic generates a "Transport error, error code = -1" and stops the debugger with in Eclipse.
At this point I am at a loss of what is causing this error. I would appreciate any help on this issue.
Operating System: WindowsXP Pro
Weblogic Version: 8.1.2
Eclipse 3.2
JDK 1.4.2
JAVA_OPTS: =-Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,address=7777,server=y,suspend=n
Thanks!
Rafael Salazar

Address 7001 does't seem to be good idea for debuging, it is weblogic default address.
try 3999.
"Arsel" <[email protected]> wrote:
>
Hi There,
I started weblogic server 8.1 with the follwing option -Xdebug -Xnoagent
-Djava.compiler=NONE
-Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=7001
Weblogic started successfully but when I tried to attached the java process
from
my IDE I got the error 'Target server failed to handshake' and in the
weblogic
console I got the following error.
<22-Aug-2003 10:09:52 o'clock AM EDT> <Error> <HTTP> <BEA-101083> <Connection
failure.
java.io.IOException: A complete message could not be read on socket:
'weblogic.servlet.internal.MuxableSocketHTTP@1871db
1 - idle timeout: '60000' ms, socket timeout: '5000' ms', in the configured
timeout
period of '60' secs
at weblogic.socket.SocketMuxer$TimeoutTrigger.trigger(SocketMuxer.java:734)
at weblogic.time.common.internal.ScheduledTrigger.run(ScheduledTrigger.java:243)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:97)
at weblogic.time.common.internal.ScheduledTrigger.executeLocally(ScheduledTrigger.java:229)
at weblogic.time.common.internal.ScheduledTrigger.execute(ScheduledTrigger.java:223)
at weblogic.time.server.ScheduledTrigger.execute(ScheduledTrigger.java:49)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:178)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:151)
Does weblogic 8.1 support JPDA? Any suggesstion is higly appreciated.
Thanks.
Arsel

Remote debugging from Windows to Linux

Is there a full description of every step needed to do remote cross-platform C++ debugging? I'm using the Indigo version of Eclipse CDT on Windows and would like to debug an application on a remote Linux machine.
On Windows, I do not have the ability to install a compiler or cygwin, but I do have plink and ssh on Windows. I am able to access the remote machine via RSE SFTP (a la stackoverflow.com/questions/4216822/work-on-a-remote-project-with-eclipse-via-ssh). I do have VNC but I find that the Eclipse IDE is very unresponsive under that setup, hence the desire to develop and debug from a native Windows app.
This FAQ is the most complete (wiki.eclipse.org/CDT/User/FAQ#How_do_I_debug_a_remote_application.3F), but doesn't discuss how to deal with Windows using backslash paths and having a different filesystem root compared to Linux and its forward slashes.
I am able to get a remote connection by playing around with the suggestions here (www.eclipse.org/forums/index.php?S=5e54b35462bb80f79ebb9fbbaf93a288&t=msg&th=173880), resulting in console output that looks like:
Last login: Fri Apr 6 20:19:09 2012 from foo.bar.com
echo $PWD'>'
/usr/bin/gdbserver :12345 /linux/path/to/my/binary args_to_my_binary;exit
but it fails with "Error while launching command: gdb --version"
The old FAQ is very incomplete and seems out of date: wiki.eclipse.org/TM_and_RSE_FAQ#How_can_I_do_Remote_Debugging_with_CDT.3F
This suggests it's possible but does not have sufficient details on how to set the myriad configuration options in Eclipse: stackoverflow.com/questions/6044138/remote-debugging-in-eclipse-cdt
I suspect many people would benefit if there was a clear set of instructions in one place on how to make this happen.
--Gerald Dalley

OK. I just spent the last two days figuring this out, so here are step-by-step instructions that hopefully will help others (This list is unusually anal by the standards of this group, but really simple concrete instructions would have helped me).
on the target linux box, make sure you have gdbserver. If you don't, get the gdb sources. Note: Making gdb does not build gdbserver. Instead, you have to go into the gdbserver directory and configure/make there.
Run gdb on the linux box. In the startup banner, it will say what its target is. This will be something like x86_64-unknown-linux-gnu or i686-pc-linux-gnu. Remember this for later.
Install MinGW on your Windows box (I had trouble building gdb on cygwin, so I recommend MinGW).
Download expat from http://sourceforge.net/projects/expat/files/expat/2.1.0/.Note: Do not download the Windows expat installer. Download the sources instead.
In the expat directory. "./configure --enable-shared", make, make install.
Download the gdb sources
../gdb-7.4/configure --with-expat --target=x86_64-unknown-linux-gnu --host=i686-pc-mingw32
make, make install
Time to test. On your linux box, create and compile hello.cpp to hello.
On your linux box, gdbserver :4444 hello
Note:If you are on a corporate network, non-standard ports may be blocked. Set up an ssh tunnel if necessary.
Copy hello.cpp and hello to your Windows machine
From the MinGW prompt, run "x86_64-unknown-linux-gnu-gdb ./Hello" Note: Substitute the name of the gdb you built as appropriate based on the target platform you got in step 2.
In gdb, load the executable with "file hello"
target remote localhost:4444 Note: This assumes that you have an ssh tunnel on localhost. Modify appropriately.
Verify that gdb commands like break, cont, and run work here.
Now we want to run it from outside of MinGW. In Control Panel/System/Advanced/Environment Variables add something like E:\MinGW\bin to the path. This is necessary for the loader to find libiconv_2.dll, etc. Now verify that you can do the preceding step from an ordinary Windows command prompt.
Launch Eclipse (finally!). New debug configuration C/C++ attach to process.
In Main, give path to the copy of the Linux executable on the Windows system.
In Debugger tab, set Debugger dropdown to gdbserver. Set "GDB debugger" to something like "E:\MinGW\msys\1.0\local\bin\x86_64-unknown-linux-gnu-gdb.exe" based on where your gdb is. For Connection, choose TCP and fill in the hostname and port number you've been using from gdb in the previous steps.
Make sure gdbserver is running (it often quits when the program ends) and launch the debug configuration
In the gdb console, enter "file hello," "break main," and cont or run (sometimes it wants one. Sometimes the other) and voila, you should be there.
Let me know if this works, and I'll post it somewhere better.
Good luck,
Mike

Remote Debugging fails after changing passwords

I've had remote debugging running for months between my Windows Vista laptop and my Windows Server 2003 virtual machine (running on the laptop).
My laptop is not on a domain, so I've set it up by having the same administrator login on both machines with the same password. When I remote debug using Windows Authentication, everything seems to work great.
I've just had to change my password, so I changed it both on my laptop and in Windows Server 2003. The Remote Debugger service is also running with the new password.
But for some reason, remote debugging no longer works. I start visual studio (as an administrator) and the web site project connects to Windows Server 2003 using the new password with no problems. But when I try to start remote debugging, I get an error telling me I'm connecting with an unknown username or bad password.
If I change the passwords on both machines back to what they were, everything works fine again. I've tried restarting bother machines but it doesn't make any difference.
Have I missed something? The only similar case I've been able to find is this:
http://www.thescripts.com/forum/thread641075.html
But I don't want to delete my profile unless I really have to - I'd rather at least understand the problem first.
Thanks,
James.

One thing to check is that you don't have a bad stored credential lying around on either box.
For Vista:
1. Start, Control->Panel
2. User accounts
3. User accounts again
4. Click the 'manage your network passwords' under tasks on the lef side
If this doesn't help, please let me know the exsact error message.
Thanks,
Gregg Miskelly

JVM options for remote debugging

I'm run Tomcat 5.0.28 using service wrapper and i need help with set the required JVM options for remote debugging from ECLIPSE 3.0.0.

Where can I find a complete list of available JVM options for WLS?
For example -Dweblogic.security.SSL.protocolVersion is not listed anywhere
That is NOT a JVM options as I just explained in your other thread - see that thread for details.
JVM options
That "-Dxxx" syntax means you are specifying a system property on the Java command-line when launching Java.
That property can now be accessed in the Java app
You can make up and use ANYTHING you want when you write your own apps - those command line entries will just get added to the standard/default System properties as I explain in your other thread.
Consult the WebLogic documentation (or onliine help if WLS has such a thing) for info on the system properties that have been defined for WLS.

Eclipse Remote Debugging

Hi all,
I could not find the right place in the forum to log this error. If anyone knows kindly let me know.
The issue is given below :-
I have configured my Eclipse to perform Remote Debugging. I have a Borland Enterprise Server running to which my Eclipse connects at a particular port and
allows me to debug i.e. Step Over, Step Through, Breakpoints etc.
Since the calls between the compents of the server and client are basically corba calls i am not able to see the values of the variables when i step through the
code in the eclipse.
How do i resolve this.
Thanks
Ram

Sorry!
          the debug option was NOT enabled (seems that my ant script is too
          complex at this stadium...)
          Cheers,
          Jan.
          [email protected] (Jan-Friedrich Mutter) wrote in message news:<[email protected]>...
          > Hi,
          >
          > I'd like to debug my Servlets/EJB's running on a Weblogic 6.1 SP4. My
          > IDE is Eclipse 2.1
          > To enable remote debugging I start Weblogic with that additional JVM
          > options:
          >
          > -classic -Xdebug -Xnoagent
          > -Xrunjdwp:transport=dt_socket,address=5000,suspend=y,server=y
          >
          > and configured my Remote Application in Eclipse accordingly.
          >
          > The connection successes.
          >
          > Problem: When I reach my breakpoint, Eclipse pops up an error message:
          > "Attempting to install a breakpoint in the type
          > com.xxx....
          > that has no line number attributes. The breakpoint cannot be
          > installed. Class files must be generated with the line number
          > attributes.
          > Reason:
          > Absent Line Number Information"
          >
          > I compiled my sources with enabled debug option.
          >
          > Any comments and ideas are appreciated.
          >
          > Cheers,
          > Jan.

Remote debugging problem with Weblogic 9 in Eclipse

Hi,
I'm trying to test out debugging a test app using Eclipse as the IDE and the Weblogic 9.0 server. Debugging with 8.1 worked fine. No problems. When I start the 9.0 server, I get "Error launching remote debugging for external server, changing to non-debugging mode. Please check the debug port setting and ensure that the specified "start" executable launches the server with debugging enabled."
Any ideas where to start?
-Eric

Try this:
1. Login with administrator user
2. Security Realms > myrealm > Providers > DefaultAuthenticator > Migration > Export
3. Click on save button to get /DOMAINHOME/DefaultAuthenticator.dat file 4. Backup /DOMAIN_HOME/security/DefaultAuthenticator.ldift file
5. Move /DOMAINHOME/DefaultAuthenticator.dat file to /DOMAIN_HOME/security/ directory
6. Rename /DOMAIN_HOME/security/DefaultAuthenticator.dat to /DOMAIN_HOME/security/DefaultAuthenticator.ldift
7. Shutdown all servers
8. Delete LDAP directory in each server
9. Start up all servers
Good luck !
Octavio

Remote Debugging w/Eclipse Transport Error

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