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

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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 ...
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0answers
4 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 ...
3
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1answer
2k views

Connect to SVN repository with Netbeans using SVN+SSH

I am trying to connect to a SVN server in order to import my project into it with svn+ssh authentication method. I am using the NetBeans IDE (6.8) with subversion plugin installed on Windows XP SP2. I ...
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0answers
10 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 ...
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1answer
14 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 ...
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3answers
3k views

Extremely slow startup of tomcat

I have a tomcat 7 installation on a Solaris 10 server. My problem is that starting the server (or deploying a new war) is extremely slow. It usually take 30 - 60 minutes. The war application is a ...
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0answers
3 views

Adding values up in sqlite db and displaying the sum in EditText [migrated]

I have a database helper class: public Cursor getAllData() { SQLiteDatabase db = this.getWritableDatabase(); Cursor res = db.rawQuery("select * from " + TABLE_NAME, null); return res; } ...
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0answers
19 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 ...
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2answers
2k views

Deploying play! 2.0 application on an apache server with a reverse proxy

I'm trying to deploy my play! 2.0 application on an Ubuntu 11.10 server and I have been running into error after error and hope someone can help me here. I am try to deploy my Play! application using ...
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0answers
42 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 ...
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0answers
21 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 ...
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0answers
8 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 ...
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1answer
10 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 ...
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1answer
1k views

Java MSI install error 3: -2147287037

We want to silent install Java 8 update 60 via its msi. The installation stops with a vague error which isn't very helpful at finding a solution. This is the MSI log: === Verbose logging started: ...
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0answers
28 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 ...
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0answers
26 views

Working with docker image on an oracle virtual box [closed]

I downloaded the docker application and installed it on my Windows machine. After the installation, I tried to access the boot2docker application to work with the docker. But, it wasn't work in the ...
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2answers
6k views

IIS 7 + Tomcat 7 - how to reach http://localhost:8080/my_app under e.g. http://my_app.local

In brief: IIS 7 + Apache Tomcat 7 + isapi_redirect.dll: I have a deployed and working Tomcat-application available under http://localhost:8080/my_app. I would like to see the same content under ...
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0answers
16 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 ...
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6answers
91k views

Top - what does Virtual memory size mean? …linux/ubuntu

I am running top to monitor my server performance and 2 of my java processes show virtual memory of up to 800MB-1GB. Is that a bad thing? What does virtual memory mean? And oh btw, I have swap of ...
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0answers
22 views

How to prevent Java user prompts o Windows 7? [on hold]

I need to create a strategy to deploy Java to Windows 7 computers in our network in a way to minimize user prompts for a specific application. Ideally, I would do this in a way that there will be ...
0
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1answer
9 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: ...
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1answer
1k views

Java 7 on a V-Server: “Could not reserve enough space for object heap”

I've just installed Java 7 & Jenkins on a V-Server with 1Gb of RAM # java -version Error occurred during initialization of VM Could not reserve enough space for object heap Error: Could not ...
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0answers
21 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 ...
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1answer
17 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 ...
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1answer
1k views

What is stopping my Visual JVM remote connection?

I have started my application with this settings below: -Dcom.sun.management.jmxremote=true -Dcom.sun.management.jmxremote.port=43588 -Dcom.sun.management.jmxremote.authenticate=false ...
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0answers
9 views

How to install a 32-bit JVM on RHEL 7 [duplicate]

Does RHEL 7 support a 32bit JVM? If so, how can I install this onto my RHEL 7? I have a business application that only has 32-bit libraries that I need to run.
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0answers
21 views

How to run 32-bit Java applications on Red Hat Enterprise Linux

I have a Java business application (its an old application) that has 32 bit libraries. I want to run it on a 64bit Red Hat Linux Server. Whenever I do, I get Exception in thread "main" ...
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2answers
1k views

Can't start WebLogic admin console

I'm wondering how to fix this error. We had the wrong Java installed on my machine when I got it, so my boss installed JRocket to fix things. WebLogic has been having problems ever since. I cannot ...
2
votes
1answer
2k views

Java Deployment and Configuration (1.6.0_21)

Sofware: Java Runtime Environment 1.6.0_21 OS: Windows XP Professional 32-Bit, SP3 Situation: a new piece of web based software is being deployed this week and prior to this all the company desktops ...
0
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1answer
6k views

Error deploying Spring with JAX-WS application in Jboss 6 server

I'm getting this error when I deploying spring+JAX-WS application in jboss server 6.1.0. 09:14:38,175 ERROR [org.springframework.web.context.ContextLoader] Context initialization failed: ...
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1answer
1k views

Connecting jconsole using SOCKS to Amazon EC2

I'm trying to use jconsole to view stats on an EC2 instance by using a socks proxy created by SSH. I've tried the various scripts mentioned in the links below but to no avail: ...
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1answer
58 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): ...
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1answer
1k views

iDRAC6 JViewer Unusable

I'm getting the following error when trying to launch the Virtual Console, but the Virtual Console Preview works fine (it displays a small preview about once a second). I've confirmed that my M610 ...
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votes
2answers
364 views

Install Oracle Java JRE 7 on Ubuntu with just the command line

I can't use openjdk because it doesn't have native .jpg support. I can't use sudo apt-get install sun-java6-jre sun-java6-plugin any more because apparently those have been pulled. JRE version 7 ...
1
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1answer
532 views

Deploying web services on a RHEL 5 box using Apache/Tomcat/Axis/Java

I am new to the Web services scene. I currently have access to a RHEL5 box and i need to deploy a java web service on it. It runs apache and i know this because i have a website hosted on this ...
1
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1answer
1k views

Unable to connect to remoteJMX but able to Telnet on same port after setting Dcom.sun.management.jmxremote environment variables?

I am rather perplexed at this point as we have a need to connect through remotejxm to monitor the JDK on a server through a monitoring application but I am repeatedly being told when trying to connect ...
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0answers
28 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 ...
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2answers
2k views

Java application server behind IIS 7.5 on Windows Server 2008

I have a Java application server (GlassFish, indeed, but the problem is the same for any other application server, I guess), running on port 8080. And I have IIS 7.5 listening on port 80 as by default ...
0
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1answer
986 views

java 7: should users be aware of changes in heap memory handling?

After installing the latest Java 7 Development Kit (Java SE 7u11) on my Windows 7 Professional 32bit PC with 4Gb RAM, I noticed I can't allocate much memory for Tomcat. Whereas these memory settings ...
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3answers
942 views

Httpd process consuming loads of memory

I have a server which is giving me headaches. It hosts a couple of sites: these are either php based, or java based. I have a setup that uses apache2 + suPhp for the php sites, and apache2 + mod_proxy ...
1
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1answer
2k views

ORA-12505, TNS:listener does not currently know of SID after changing port number

I am trying to change oracle tnslsnr port number from default to some other port. After I change port number for tnslsnr from 1521 to 2000 I start geting ORA-12505, TNS:listener does not currently ...
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2answers
623 views

What are the best practices for monitoring and alerting for low level JVM metrics?

I'm looking to set up monitoring and alerting for java server based app and want to find some best practices for monitoring JVM specific metrics and for designing alerts based on those metrics. So ...
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0answers
12 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 ...
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0answers
30 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
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0answers
20 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
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1answer
41 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 ...
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1answer
34 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
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1answer
44 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 ...
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0answers
41 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 ...
3
votes
1answer
67 views

Tomcat shuts down unexpectidly

I am using Apache Tomcat 8.0.23 with 1 GB RAM on centos 6 OS . I have used servlet and jsp for server side . But after few days it shuts down automatically . I have given memory size as ...