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Questions tagged [application-server]

92 questions
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Keepalived alternative for Solaris 10

We are considering an architecture like the one in the picture for Solaris 10 That is, high avalaibility software load balancers in front of web and application servers. Unfortunately, Keepalived is not available for Solaris at the moment. Is…
fglez
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Should a database server be in a different VM instance as an application?

I'm setting up a database server as a separate VM in my server so that I can control resources, and make backups of just that instance. I own a server that will reside in a colo soon. Is this the best way to approach my DB regarding scalability? Are…
orokusaki
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Timezone settings for WebSphere 6.1

We have an application running on WebSphere which does (apart from other things) logging with timestamps. These timestamps are GMT. We are in the CET Timezone (Germany). WebSphere allows to specify in which Timezone you are, by way of specifying a…
dertoni
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How to secure Web Server To Application Server To Database Server communication?

I have application with docker images of all. I have setup Isolated Servers for my application. Web Server => Application Server => Database Server Web Server is configured with Nginx with SSL configuration in place. Application and Database Server…
Chetan Patil
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JVM heap is being swapped causing GC go haywire - Tomcat

Info: # of VMs= 4, each with an instance of Tomcat 8.5.* in cluster Apps = 5 war applications- 2 UI applications and 3 Webservices. Java Version = java 1.8.* Configuratin = 2 LTMS and 2 Apache Webservers - 1 LTM on top of tomcat clusters which…
prashma
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Does disabling "numa interleave" from bios cause memory page-out(when cpu-1 has no free memory left) to hdd on all dual-cpu systems?

For an example system of a dell dual 4114 silver with 24GB per CPU; how would it work if my application allocates 24 GB at once? Should I be concerned about write-life of my SSD because of pagefile usage? Note about memory for the example: 6x8GB…
huseyin tugrul buyukisik
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Consistent upgrade of a distributed server application

Given I run multiple application servers running optionally behind a load balancer. The application servers share a single SQL Db. Pretty conventional setup I think. Imagine a sw upgrade package is made available for the app. The upgrade includes…
Vitaly P
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can websphere application server 9 be installed side by side with 8.5.5?

Can websphere application server 9 be installed side by side with 8.5.5 on the same developer box? We want to be able to still continue maintaining our older J2EE projects. Thanks, Bert
Quadmore
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Configure HA Proxy with two application servers to handle fail-over

I have configured two application servers with HA Proxy to recover from fail-over situation. So I want to configure HA in such a way that if my 1st application server goes down, then only next requests forward to 2nd server, otherwise 2nd server…
Navnath
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What does "Waiting for DAS to start" mean in GlassFish 3?

I try to install the Glassfish 3 on my PC. I used the installation exe from https://glassfish.java.net/de/downloads/3.0.1-final.html I started the Installer which installed Glassfish. I created a domain and then I opened asdadmin.bat and typed…
user3360700
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How to determine VMware ESX server requirements for n VMs?

I am going to buy a high-end server for my department's daily usage. On this server, I am planning to launch 2 DB servers, 2 Application Servers and around 10 ordinary development PCs on the VMware ESXi infrasturture. The exact Spec of each VM is…
TonySalimi
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Windows server environment for the setup, testing and putting 3rd party server apps into production

Our company uses several 3rd-party server applications (Installed as services and desktops have client applications) installed on Windows Servers (virtual) along with SQL Server. All of this is under the same domain (Maybe that's the problem?). Each…
JeffO
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Jetty - java.lang.IllegalStateException: zip file closed

I'm getting some error with some connection to our web server. We are getting this error randomly: java.lang.IllegalStateException: zip file closed at java.util.zip.ZipFile.ensureOpen(ZipFile.java:632) at…
Alex J.
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Scaling Rails 2.x application with more app servers

I'm thinking of a setup for our rather popular website to be able to scale on the CPU side of things. We are running quite a few CPU intensive image conversion jobs at random times (user input) and the need for more CPU might increase soon. We are…
miccet
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How I can Monitor other application and resources from IBM WebSphere Application Server 7.0

I have IBM WebSphere Application Server+ 7.0 , and I deploy many java application on this server , from other hand I have stand alone java application ( this application is financial application and pass the traffic " transaction " to Application…
Eng Al-Rawabdeh
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