Programming language and runtime environment that allows compiled Java programs to run unchanged on most hardware and software platforms

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-2
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2answers
71 views

Java process stay in running state and consume CPU

I have a jar running in background on a Ubuntu server. In a certain moment, the application start consumming too much CPU (400%) and 4 child process stay in R state: N.B: the problem is ...
0
votes
2answers
17 views

Downstream IBM Httpd Server returns 404 only when accessed through another upstream IHS web server

We have a current setup like the following: HTTPServer - IBM HTTPD Server v? WASServer6.1 - WebSphere Application Server v6.1 (Running App "A") The basic communication is as follows on the listed ...
1
vote
2answers
84 views

Errors while updating IBM HTTP Plugin and IBH IHS

Initially this activity started with installing the WAS 7.0.0.39 fixpack on our system. The UpdateInstaller was successfully upgraded to 7.0.0.39, along with WAS and java. WAS is installed using ...
0
votes
0answers
23 views

MySQL Cluster: Too Many Connections

We have our java application directly connected to the MySQL cluster (NDB engine) with 1 SQL Node. We also have another SQL node. We had a requirement to load balance our 2 SQL Nodes with the physical ...
0
votes
1answer
90 views

Tomcat service does not see $JAVA_HOME

I'm trying to setup a Tomcat service with Systemd on CentOS 7. I've installed Oracle Java 1.8u74 to /usr/java/jdk1.8.0_74 and set the environment variable $JAVA_HOME at boot like so: # echo "export ...
0
votes
0answers
52 views

How to add a datasource in wildfly swarm with .war packaging?

I'm trying to run my web application using Wildfly Swarm and .war packaging. How should i add my jdbc driver and data source definition?
0
votes
1answer
58 views

<jvm-arg>'s not added to JVM on Resin 4, Windows Server 2012

We are migrating from Linux (Ubuntu) to Windows Server 2012R2 (don't ask!) and have encountered a setup problem with Resin: Installing Resin 4 Pro using the packaged setup.exe facility, resin.exe is ...
0
votes
0answers
8 views

Enable Java Caching for a specific site

In our environment our users utilize many 3rd party Java applications. The majority of these applets require caching to be disabled within Java but there are a couple of applets that need to have ...
0
votes
1answer
31 views

Wowza SSL error PR_END_OF_FILE_ERROR

I have installed the SSL certificate by following https://www.wowza.com/forums/content.php?128-How-to-request-an-SSL-certificate-from-a-certificate-authority The certificate was imported properly &...
0
votes
0answers
35 views

Deploying Java application on Tomcat 7 with Context Versioning

I am working on an API that is built on top of the Spark mini-framework (http://sparkjava.com/) Whenever I build a package through Maven, which is then uploaded to the webapps/ folder under Tomcat 7. ...
0
votes
1answer
25 views

WebSphere 7.0 Admin Console - Web Services

I've been trying to search on Google (and IBM's documentation) to find the answer to this, and I haven't found anything. Either my search skills aren't that great today, or my assumption is correct ...
0
votes
0answers
40 views

Puppet Server throwing load module error on `/etc/init.d/puppetserver start`

Getting the following error one a clean yum install of puppet LoadError: no such file to load -- jar-dependencies require at org/jruby/RubyKernel.java:1072 (root) at <...
0
votes
1answer
12 views

Java process thread details

I'd like to get the details like name, running time, etc. of threads of a Java process on a production VM, similar to the info that VisualVM shows in the Threads tab. Unfortunately, VisualVM won't run ...
0
votes
0answers
22 views

Linux screen(or java) with different date of system

I having a problem with screen on Centos 7. The system time is correct but on screen application theres a diference of 3 hours. The system output(correct): [root@Server ~]# date Ter Fev 23 01:27:11 ...
0
votes
0answers
25 views

How can you fairly split CPU between multiple JVMs running on a single SmartOS server?

I currently run an app within Tomcat but want to deploy Play Framework on the same servers as well. For licensing reasons, this is cost efficient, but being able to use excess CPU usage on a beefier ...
8
votes
1answer
127 views

How do I build a Linux environment that specifies specific versions of packages?

I am creating a dockerfile that runs a custom application that is tied to a specific version of Java. I'm using a centos7 base image because that's what an article I was referring to was using and ...
0
votes
0answers
28 views

Mysql and HAproxy

Our java application hosting on jboss was connected directly to mysql server and it was working fine.As per new requirement HAProxy has been placed in front of MYSQL Server,It works but after few ...
1
vote
0answers
330 views

Windows Server 2012 R2 IE Refuses to Load Java Plugin

We have a Windows Server 2012 R2 machine that we're using as a Remote Desktop Services server for our employees. It has the "RemoteApp" feature set up so that everybody can run our pre-configured ...
1
vote
0answers
19 views

How to create a headless JDK on Ubuntu

I want to have a headless JDK on Ubuntu 14.04. As discussed in the question “How can I install a headless JDK on an Ubuntu Jaunty server?”, one option is to create my own jdk-headless package. I have ...
0
votes
0answers
7 views

How do I sandbox build code in bamboo?

I am thinking of setting up a build server (bamboo) for an open source project. That means the code executed on build time (java) is not under my control. I will run the server as it's own user but ...
0
votes
0answers
14 views

Separated Java EE and PHP APIs running in the same machine and sharing the same SQL database general workaround

Having in mind the Java EE and the PHP APIs are completely separated (this is not about using java processes from PHP or PHP processes from java) and they will only share the database, is there any ...
0
votes
0answers
55 views

Jetbrains team products + out of memory

I am trying to build an Ubuntu server 15.10 VM with all the software tooling required for software development. When I saw that Jetbrains offers various tools like: hub, youtrack, teamcity and ...
1
vote
0answers
82 views

Nagios check_jstat

I'm trying to monitor java memory usage using nagios nrpe features. So I download and install check_jstat and install the plugin on the remote server. And when I ran it below is the result: OK: jstat ...
1
vote
0answers
138 views

Java application is slow in virtual server (KVM)

I have a Java web application, which runs from JAR, starts embedded Tomcat and is using Spring Boot. Problem is that it runs very slow when running in KVM virtual guest. The same application in the ...
0
votes
0answers
26 views

Deploying a SOS WAR file gives me a 404 Status Code on Tomcat?

I am trying to deploy a SOS WAR file from 52 north into the Tomcat, I put this WAR file in the webapps folder, but I got a 404 Status code, and I don't know how to solve this problem now. Is there ...
1
vote
1answer
150 views

Monitor java application memory inside Cloud Foundry

I have a Java application that I'm deploying inside a Cloud Foundry environment. I want to monitor the application's memory usage. Cloud Foundry provides the cf app command that produces output ...
0
votes
1answer
51 views

why is nodetool (cassandra single node) throwing NameNotFoundException: 'jmxrmi'?

Ubuntu 14.04 3.19.0-30-generic running cassandra 3.0.2. and oracle java version "1.8.0_72" i can see the port listening: 127.0.0.1:7199 0.0.0.0:* LISTEN 26048/java ...
0
votes
0answers
263 views

Cannot connect with slave from Jenkins master. Connection broken

I have setup one Jenkins Master (CentOS 7), and one node on which my project is running (dev environment, Windows 7). My project requirement is Java 1.6. On my Windows 7 and Java 1.7 machine, I can ...
0
votes
0answers
70 views

RDS RemoteApp with Java

I am attempting to put together a small RDSH farm to deliver a front-end which requires Java. The front end is a simple VB executable which displays a predefined java-driven web front end. Now, my ...
0
votes
1answer
23 views

YouTrack java process started to disappear on VPS

I had YouTrack installed on my VPS, and lately it just stopped working. Installation method I used is described here: https://confluence.jetbrains.com/display/YTD65/YouTrack+JAR+as+a+Service+on+Linux....
1
vote
0answers
69 views

CISCO SSL VPN Apps fail to connect using Java 8 update 71 (Java 8u71)

A remote client uses the SSL VPN apps for port forwarding through an ASA 5505 firewall. Basically no traffic was able to traverse the port forwarded IP addresses. Using the web browser in the VPN ...
0
votes
1answer
63 views

Configure Database Properties for Tomcat Webapp

I setup a sample application in Tomcat but have trouble getting the database connection working. It is a standard WAR package written in Spring framework and uses a MySQL database. The application is ...
0
votes
0answers
69 views

WildFly 9.0.2 javax.net.ssl.SSLException: Error generating ECDH server key exchange

I have a problem with SSL connection negotiation in WildFly 9.0.2 The problem is when client is trying to connect to HTTPS listener the server responds ssl_error_internal_error_alert, while in log ...
-1
votes
1answer
516 views

how to solve SVN Commit Issue: forbidden by server

When I tried to commit my code using Eclipse. I got the following error: org.apache.subversion.javahl.ClientException: The operation is forbidden by the server svn: Commit failed (details follow): ...
1
vote
0answers
67 views

NginX with GeoIP - what is returned for geo code when no mapping is found?

As the tests I conducted (using Java API to read GeoIP.dat, as well as local test) might be insufficient, I was wondering what happens on NginX when geo-ip module is configured, and when no IP to ...
0
votes
0answers
16 views

How to update an application within an AWS autoscaling group?

We have 8 to 12 servers in our mico-service auto scaling group. We build jar files for our application. Now after building the jar file and uploading it to the Artifactory, how do we get it on all 8 ...
0
votes
0answers
54 views

EJB Remoting Auto Scaling in AWS

I'm currently in the process of figuring out how to migrate a Java EE Middleware application from a single static server to a Load Balanced Wildfly Cluster in AWS (with an Auto Scaling Group behing an ...
0
votes
1answer
73 views

Azure Web Apps With Java, MySql, Filesystem

Some background is I currently have a VM deployed on Azure. On the VM I have 3 java web applications running on a Tomcat server. Each are integrated in some way or another. They all run on the same ...
-1
votes
1answer
37 views

Trying to find some really old versions of software [closed]

I am currently trying to track down some old versions of Adobe Flash, Adobe Acrobat 9, Adobe Reader XI and Java Runtime Environment so that a Windows 2012R2 server can run a piece of [redacted] ...
0
votes
1answer
121 views

Linux: How to configure TCP wrappers in /etc/hosts.allow for manually started processes?

An internal server in the company I work for has been compromised and I would like to harden CentOS machines in the organization in order to avoid any future incidents so I've been reading about ...
1
vote
0answers
96 views

Java keystore: How to import the ca certificates correctly?

We have renewed the certificate of one of our server (apache httpd). For a webservice interface (for mobile clients) we need the certificate also on tomcat, means: stored in a java keystore. We have ...
2
votes
0answers
774 views

Using TLS 1.2 and java 6

We have a legacy web application that runs in a tomcat under java 6 - an upgrade to 7 or 8 is currently infeasible. We now have a requirement to connect, as a client, over TLS 1.2 however java 6 only ...
0
votes
0answers
128 views

error when trying to connect via websocket to the server on Openshift

My Web-socket server and client are written in Java. When I used a JavaScript web-socket client to connect, there was no issue. When I switched to Java web-socket client, I got the following errors: ...
0
votes
0answers
49 views

Geoserver (a java based webapp) returns 404 for some clients after a bit of use. Rebooting the Ubuntu instance temporarily fixes it

Geoserver returns 404 for some clients after a bit of use. Rebooting the Ubuntu instance temporarily fixes it. It seems to happen to clients of mine on xfinity more than others. The service will ...
4
votes
0answers
82 views

How do companies handle the need for different Java requirements on the same user?

In our company, we use GPOs to push software updates such as Java updates. We have about 150 users in different offices located in different countries, all using Windows 7. We have a few office-...
0
votes
0answers
67 views

c3p0 commit is always called even if queries are not executed(data is coming from Ehcache)

I have a web service which makes readonly call(bunch of select queries) to get data from DB. But it makes call to the database for the first time only, after that, all entities involved are cached in ...
0
votes
1answer
103 views

Change WebSphere's default Java SDK from IBM's JVM to Oracle's?

I've seen mentions that it's possible to change WebSphere 8.x so that it uses Oracle's JVM instead of IBM's included JVM. Does anyone know how to accomplish this? It does seem possible but I did not ...
0
votes
1answer
40 views

JVM memory in smartfoxserver

We have developed a multiplayer game using smartfoxserver as gameserver. I've setup a Ubuntu Instance 14.10 LTS in AWS with 2 Core 8GB Ram for only gameserver. But when I log into SFS admin. It says ...
0
votes
1answer
30 views

Do I need my application baked into the AMI to use auto scaling or can I use ansible for deployment?

I have an Ansible playbook that deploys my java app running on port 8080. It does this: Unregister instance from ELB Bring Java application offline Update RPM package with new jar file Bring Java ...
0
votes
0answers
16 views

Java distributed tasks

I am building a system which should consist of 3 servers running the same Java (Spring mvc) service on all 3 of them. Service will be able to do 3 sets of tasks, i.e. A, B and C. What I want is to ...