I installed tomcat 7 in my windows 7.Then ran C:\apache-tomcat-7.0.57\binstartup.bat,one window will open for 1 second and closes.when i hit http //localhost/8080 ,its not dsiplaying anything.I just checked C:\apache-tomcat-7.0.57\conf/server.xml and port is 8080.
Can somebody help on this.
Read RUNNING.txt and create C:\apache-tomcat-7.0.57\bin\setenv.bat file that sets JRE_HOME (or JAVA_HOME) path for Tomcat.
Sample from Tomcat 7 RUNNING.txt file using Java 6 JRE:
set "JRE_HOME=%ProgramFiles%\Java\jre6"
exit /b 0
You need to set Java_Home in Cataline.bat first in order to run TomCat server.
Additional Information for running project using Tomcat Server.
You can cd into the folder where tomcatXX/bin is through command line and run "run startup". So, when you , run startup on command line it tries to run script from startup.bat file, probably it crashed because port to be used by TomCat to run server is already in use. If you try to point your url to localhost:8080, if TomCat's home page appears, that would be because your server is already running. You should ideally also try to point to Windows -> Preference -> Runtime Environment. Check if Tomcat server is added in list under Server Runtime Environment window, if not try to add that server by clicking Add button, and trying to locate where Tomcat/bin is stored. If that still doesn't help, I would suggest you to also try right clicking a project on your IDE then click Run As, then click Run Configuration, it will give you option to run application using TomcatServer. List of servers will be found on left side of Run Configuration window.
Related
I'm new to jHipster, I've created APIs which are consumed by my application's front end. I want to debug my services but unable to attach debugger with IntelliJ.
My application starts by running command "mvnw" which is jHispter standard command when I opened this bat file in editor i found this :
#REM e.g. to debug Maven itself, use
#REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
I setup MAVEN_OPTS environment variable but still it was of no use. I also tried to make a remote connection from IDE on port 8000 but still, it didn't serve a purpose.
Any help will be appreciated, thanks.
you can just run (in debug mode) the main method in the JhipApp Class (the SpringBootApplication Class). It worked for me
My tested and proven solution for debugging and then dividing the front end with the back ends, works for OS Windows and Ubuntu with the use of the latest version of the Ide Intellij Community (2020.1.1 used in both OS), provides that after creating a jhipster app (created with Ubuntu), from the command promp or from the Ubuntu shell launch the command: mvn -DskipTests = true clean install to compile the back end first and then the front end (in Angular 8 in my case), at the end of this compilation run the following command: mvn spring-boot: run.
After launching the application, click Ctrl + C and stop the run. Now you can launch the npm commands and then the command: npm start from the same command prompt or from the shell, since your project has been built and already launched it will be restarted and now from the Ide you can launch your class configuration annotated with #SpringBootApplication from the debug icon, at the end of the compilation you will have front ends and back ends divided and debuggable easily as well as hot changes for the front end take place quickly, while for the back end you will always have to save recompile and restart in debug.
You can do it, if you connect remotely, as you suggested in your question
Start jhipster in the terminal, but pass in some debug params
$ ./mvnw -Dspring-boot.run.jvmArguments="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=5005"
Then you just connect to it using your IDE at port 5005.
For example, in Visual Studio Code
add a "launch.json" file
A "Add Configuration" button will be displayed when you have the launch.json as the active file in the editor. Click it.
Choose "Java: Attach by Process Id"
That will add a new configuration to the "Run and Debug" tab.
Click the "Attach by Process ID", button, and choose your process (port 5005 in this example)
Debugging will begin!
I installed tomcat server on windows10 bash shell. Though it says apache is running.. its not opening admin panel in browser. Browser says 'Connection can't be reached'
Have someone tried this ever before? Please share your inputs.
Thank you
I am assuming you are referring to Bash for Windows (Ubuntu) on Windows 10. Yes Tomcat server can be installed and run from Bash for Windows with no need to install Tomcat in the Windows environment.
First, you may want to check if any local server is running on Windows 10 port 8080 - the default port for Tomcat, or whatever port you are configuring Tomcat for.
Second, open BASH for Windows and install Java. I used Oracle Java JDK 8 (http://www.oracle.com/technetwork/java/javase/downloads/index.html) and downloaded the tar.gz file.
Extract the tar.gz and copy to a standard directory like /usr/local/java or in the /opt/ directory for easy access.
Create JAVA_HOME and JRE_HOME environment variables that link to your java location.
I also updated the alternatives to map java, javac, and javaws. You can use this link to assist (http://askubuntu.com/questions/56104/how-can-i-install-sun-oracles-proprietary-java-jdk-6-7-8-or-jre)
Then download the tar.gz of Tomcat. Again, I used Tomcat 8.5 for my scenario and extract the files to your chosen directory.
Last, run the startup script located in the bin folder of the tomcat extracted folder. You should have a working Tomcat version.
Use the curl command to validate - curl localhost:8080
If you want to change the admin privileges, edit the tomcat-users.xml file located in the conf folder within the extracted tomcat directory.
Access to the tomcat server can also be done through the Windows system and not just through the Bash for Windows CLI.
Hope this helps!
I followed this tutorial exactly: http://examples.javacodegeeks.com/enterprise-java/rest/jersey/jersey-hello-world-example/
But I just see a blank white screen when I go to: http://localhost:8080/JAXRS-HelloWorld/rest/helloWorldREST/JavaCodeGeeks?value=enjoy-REST
I started tomcat by running the command catalina run
Should I be doing something differently to deploy the webapp?
I have just tested the sample application on Tomcat 8 and it works without any issue.
As expected it prints out the below message in the browser when called.
"Hello from: JavaCodeGeeks : enjoy-REST"
There are couple of things that I can think of might causing the problems in your case.
You are missing any of the steps specified in the tutorial.
You are not deploying the "JAXRS-HelloWorld.war" into Tomcat properly.
I hope have setup your CATALINA_HOME properly in order to call the "catalina run" in commadline.
To resolve your problems.
Instead of following the steps in the tutorial, download the attached project and generate the war file as specified and deploy it and see if it works.
To deploy the project in tomcat, you have to copy the "JAXRS-HelloWorld.war" file into $CATALINA_BASE/webapps folder and then start the server.
There are couple of ways to start the Tomcat server. One that you have chosen is the commandlne. To start the Tomcat server from caommandline either you have to change directory(cd $CATALINA_BASE/bin) to Tomcat home bin folder and the call catalina.bat/catalina.sh with run or start command Or set the CATALINA_HOME enviorenment variable and then call the same command from anywhere in your commandline.
Note:
Also check the Tomcat logs for specific issues or errors.
I am working on a project where the backend code is in Java.
I want to debug this code and am running tomcat in the debug mode correctly .
I have the Java code in Eclipse where I set up a new debug config for Remote Java Application and start the debugging.It shows no error but it is not breaking at the breakpoint.
So the Tomcat Webapps folder has only a copy of the Servlet classes and my Java code is in a folder at some other place.
Is this the reason that I am not being able to link them properly
You have to start tomcat with the JPDA options in order to debug remotely. Under *nix, issue "catalina jpda start" instead of "catalina start".
If you want to do a remote debug to figure out a problem in code, then your code locally must be the same. Also remember to connect to the correct port, 8000, I believe.
I'm unable to find an option to setup remote debugging in JBossWeb 2.1.4 on Windows. It is not installed as a service and there are no .bat scripts where I can edit the JAVA_OPTS environment variable to include:
-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=4142
The only thing in the jboss web bin directory are jbossweb.exe files.
I've tried editing the run configuration in eclipse to start the container by running jbossweb.exe and setting the environment variable JAVA_OPTS to the above, but it doesn't listen on port 4142 on startup (ie, there seems to be no effect in adding the environment variable to the run configuration).
Any ideas here?
If you control the server from eclipse with for instance JBoss Tools, you can just click "debug" instead of "start" in the Server pane in order to start up in debug mode.
You can create such bat script by yourself. Just add jboss.bat file to bin subdirectory of JBoss install directory and put there:
java -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=4142 -jar "D:\JBoss.org\JBoss Web 2.1\bin\bootstrap.jar" start
When you run this script, you will get JBoss running in debug mode. Probably, it won't help you in all situations, but it worked for me.