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An application server is a software framework dedicated to the efficient execution of procedures (programs, routines, scripts) for supporting the construction of applications. Normally the term refers to Java application servers. When this is the case, the application server behaves like an extended virtual machine for the running applications, handling transparently connections to the database at one side, and connections to the web client at the other.

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Context Imagine I have a application with a Python server running as user 'python-app' on Linux and a Python client also running as user 'python-app'. The user 'python-app' does not have root ...
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When trying to start WebSphere Application Server Network Deployment 9.0.5.13 I am getting the following error in log: ...
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I have a SQL Server instance running multiple applications in our network using the username user1. All the applications are connected to the SQL Server with this ...
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With a standalone application I can register an URLStreamHandlerProvider via the service loader. But this does not work with a war file in an application server ...
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I'm trying to find an optimal way to handle ongoing PostgreSQL transactions during the shutdown of a golang server running on Kubernetes. Does it make sense to wait for transactions to finish, when ...
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With the newest versions of the jboss wildfly being compatible to the Jakarte EE 10 specs we updated our JEE 8 projects. In this process we updated all our components, but afterwards the newest verion ...
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does anyone know how I can change the timestamp pattern in the SystemOut.log log on the Websphere Application Server v8.5.5, v9? For example, instead of [1/24/23 8:10:43:524 CET] I want to see [2023-...
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I reload the WildFly server as follows ...
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I use: GlassFish 6.2.5 openjdk-18 java ee 8.0.1 ...
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I am trying to understand how each web request works in rails application. To understand my logic I have written this dummy controller. ...
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The Puma readme states the following: "Be aware that additionally Puma creates threads on its own for internal purposes (e.g. handling slow clients). So, even if you specify -t 1:1, expect around ...
Daniel's user avatar
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Trying to build a Java web-site, i'm getting errors: The import javax.servlet cannot be resolved Some searching implies that in order to import javax.servlet you ...
Ian Boyd's user avatar
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As the title, I cannot add the Glassfish server to NetBeans IDE 14. I pressed the "Add Server..." menu entry, then on the "Choose Server" screen I selected "GlassFish Server&...
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I have a web application running on a wildfly app server (22.X). It contains a war file which has the ability (besides the actual functionality) to query the wildfly itself for its active running ...
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I have a Spring Boot application that needs to be deployed as a docker container on AWS. In our old production environment we packaged the application as a WAR file and deployed it to an application ...
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I've a big problem, and I hope that someone could help me! I would like to refactor an old legacy JavaEE application. The refactoring I've in my mind is very deep and I would like to redesign the ...
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I see here https://jakarta.ee/compatibility/ the list with all compatible application servers for each JEE version. The question is, are they the minimum compatible versions or do I have to use the ...
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We’re using Scala with Spring Boot, so creating Singleton objects is as simple as using the Scala ‘object’ keyword instead of the ‘class’ keyword, and filling it with whatever functions are needed. So ...
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Our WAS85 JVM is using non bundled IBM java, at /opt/IBM/WebSphere/AppServer/java_1.8_64/ updating the WAS fixpack is only updating bundled java(/opt/IBM/WebSphere/AppServer/java/) how do I update the ...
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I have an action like this: text: f.text; async.run { change text value { return "My async text" } } But in Mongo, there is no change.
Ľuboš Petrovič's user avatar
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How do I create a new case in actions in Petriflow language? I have tried createCase().
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After enabling log_connection, the postgres log file starts logging many rows like these: ...
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I have an Excel (.xlsx) file stored in a known path in AL11 which consists of, let's say, 20 columns and 51 rows of data (one of ...
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From the Head First Java book, I know that threads in java doesn't run parallelly, but JVM just switches between the threads which seem to us like running parallelly. And these threads run in a single ...
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I am implementing Custom logging in Jetty11 and getting the null pointer exception for the below code while fetching anything from the request object. I know the reason but do not the solution to it. ...
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I am updating Jetty9 to Jetty11 and Understood the concept of Jetty-Home and Jetty-Base directory. and my question is how to modify the below files as Jeety-Home is the read-only directory and should ...
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I am updating jetty 9 to jetty11 but could not find start.ini in jetty11 as it was there in jetty9. I use start.ini to enable modules like 'requestlog', 'http-forwarded', 'session-cache-hash', jetty....
Ashish Goyanka's user avatar
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I'm new to SPA development, so this may be a stupid question. please understand. My question is "Is SPA(Single Page Application) needs a Application Server?" As I understand it, the SPA gets ...
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Websphere version 9.0 is installed in our RHEL 8.3 OS . Now in that i have deployed one web app - .war file which contains multiple modules - webservice, web module etc. This war is successfully ...
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I am a beginner in the Jakarta EE world. I am going through a Jakarta EE module at university and I am struggling to find information that properly answers my question. I feel like it is one of those ...
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I want to know the diff between 1) Web server threads which take the http requests and send back the response to the clients 2) Application threads inside JVM which work on the requests coming to ...
Paul M's user avatar
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I have a problem whit the error code AMQ119032: User does not have permission CREATE_DURABLE_QUEUE on address, my code configuration it's ` ...
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I am working on a standalone (non web) multi-threading trading application. It is started every night at 11 pm using a start script. We do not use an application server to deploy this application. We ...
Nichole's user avatar
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I was learning the difference between application server and web server and I read these difference In web servers, multithreading is not supported. A Web server will not itself support transactions ...
alex's user avatar
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In the world of .NET, especially ASP.NET Core, which component plays the role of the web application server? If we said that IIS is the web server, then what component is the web application server? ...
Hind Zir's user avatar
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I'm using the azure nextgen provider. Given a key vault vault with a stored secret secret1. How can I add the web app to the ...
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I would like to use Application Configuration Properties that you can configure using the user interface of payara (for example): My question is: how can I access these values on java code side? ...
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I am running wildfly application server on windows server and if i run wildfly using standalone.bat -b 0.0.0.0 then i am able to access over server IP but if i run wildfly after installing service.bat ...
Nikhil Sharma's user avatar
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I wanted to debug a data module that I've created and which is a part of a DLL, but for some reasons, I can't debug it. The debugger doesn't seems to be hitting the break point, is there a way i can ...
Nancy Gupta's user avatar
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I am looking for an explanation in differences between methods generating thread and heap dumps. What I know so far: system signal eg. kill -3 triggers instant ...
KrzMar's user avatar
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snippet from standalone.xml, **below configuration is not yielding the result. ...
Jefin Joy's user avatar
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Heroku has great utilities to manage web dynos. When we do a small release we use Preboot to gracefully switch over web dynos over to the new release. However, if you want to scale down your web dynos,...
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We've got an application that since it's beginning was compiled with Java 6, because it was required to run on IBM WAS 8.0, but we are starting to migrate to Wilfly, which will be running on a JDK 8. ...
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There is a heap memory error once the glassfish server 5.0 is up and running for 2,3 hours where my application is deployed. Heap memory dump shows sun.security.ssl.sslengineimpl including "java....
chanuka's user avatar
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Having 2 applications, for commodity let's call it X, Z. X sends TCP/UDP/HTTP requests to a website/server, then the website/server send back the response to X. Is it possible to redirect the X ...
Kasai's user avatar
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I try to understand the architecture nodejs, when using it as a server trough framework such as express. I know all these concepts of web server, application server, and a web container but I don't ...
Daniel Shelly's user avatar
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Let's say, I have two users online and batch who do CRUD operations on resources of a custom server. These two users have ...
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I have a IBM WebSphere 8.5.5.13 ND on Windows 2016 standard edition with JDK 1.7 enabled. I see that, node agent and server1 (application server) are getting stopped everyday but the deployment ...
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I'm doing wepshere standard application server upgrade from 8.5.5.11 to 8.5.5.17 version with installation manager: ./imcl install com.ibm.websphere.ND.v85_8.5.5017.20200205_1450 -repositories /opt/...
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Can't find OpenSSL during the installation of Resin 4.0.64 on command ./configure. Log: ...
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