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

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0
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1answer
91 views

Prevent APT from overwriting custom files

My server runs a Java application that requires I replace a few java library files with ones I downloaded on my own. This has to do with JCE security extensions and isn't really relevant to my ...
-3
votes
0answers
15 views

dont render aplication JSF in OPENSHIFT [on hold]

Implemented an application test in OpenShift, but to access it found that the pages are not being rendered. on the local server application runs perfectly, but to deploy it in OpenShift is not ...
0
votes
3answers
2k views

Debian install netbeans - “No protocol specified”

When trying to run the netbeans shell installer, it gives me an error. ./netbeans-7.0.1-m1-php-linux.sh Configuring the installer... Searching for JVM on the system... Extracting installation data... ...
-2
votes
0answers
25 views

Dos Attack Server python java [duplicate]

I dont know what is going on on my server. RamNode just adviced me that my VPS appears to e sending out DoS attacks. I restarted the server and did htop and found this: gyazo
2
votes
3answers
3k views

JMX connection to Tomcat running on Amazon EC2

My Tomcat 7 process, which I run on a server on Amazon EC2, has settings such as these in CATALINA_OPTS which should allow me to connect for JMX monitoring remotely: ...
3
votes
2answers
8k views

Which Java version should I run Jenkins with?

Reference: Jenkins Users :: Jenkins on Windows: Java + JRE (version) confusion Which Java version should I run Jenkins with (on Windows)? Should I use the included JRE of the Windows master? Should ...
0
votes
0answers
20 views

Deployment guidance for a EE 7 web app [closed]

I was out of high tech for 20+ years but had an idea and have been developing like crazy for the last 14 months. It has been a very steep learning curve but I have a comprehensive working system based ...
0
votes
2answers
1k 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 ...
1
vote
3answers
2k 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 ...
8
votes
1answer
365 views

Good practices regarding discontinued software in production (OpenDS)?

How bad is it to use OpenDS, which is not actively maintained, and had the last patch in 2010, and require JDK6(which is also obsolete) in a production environment?(Although at the backend and not ...
7
votes
2answers
7k views

SSL Certificate Error: certificate_unknown

I want to create push notification server and while installing SSL certificate and .p12 file in server we are facing the below error: I want to know what is the wrong with ssl certificate because I am ...
0
votes
2answers
1k 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
votes
0answers
6 views

Debugging weblogic JRockit application Stuck Thread [closed]

I am running Weblogic with JRockit JVM. We are having problems with Stuck Threads in our application. I want to discover what is been called when the thread gets stuck. I read about jstack but it ...
1
vote
1answer
39 views

In-house java apps work in citrix environment but will not run locally on a users machine

BACKGROUND I am one of three systems administrator for the organization i work at. We previously had a Java developer who is no longer with the organization. The developer built several custom Java ...
0
votes
0answers
12 views

JRE version on solaris + Invalid argument when runing JRE java [migrated]

I located the Jre1.6 in my Solaris machine under /tmp in order to use the Jre version pwd /tmp ls -ltr jre1.6 total 512 -r--r--r-- 1 root root 917 Oct 3 2011 Welcome.html ...
0
votes
1answer
854 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 ...
-1
votes
0answers
7 views

Java 6, Runtime exec and OpenShift (JBoss AS 7) - Output textarea

I have 2 textareas (in a JSP file): Input: For the user. Output: The result of a process Runtime exec. At OpenShift (JBoss AS 7) I obtain a textarea with some chars '?' and not 'é', 'í',... (UTF-8 ...
0
votes
0answers
43 views

json works on localhost but not working on my real server

I have an application that is getting information from my server (online), I have a version of that website in my computer (localhost), The application is working on localhost can get the json, But I ...
2
votes
1answer
330 views

Can I connect multiple SPAN Ports to a hub to monitor both from one NIC

Suppose I had two Cisco switches each outputting some network traffic to a SPAN port, and I needed to send the sum of all that traffic to a third device for monitoring that traffic via libpcap. The ...
1
vote
3answers
1k views

javac compiler throwing error in CentOS 5.7

I'm trying to install Red5 on a vps running CentOS 5.7 in MediaTemple using this how-to (dv):Install Red5 Media Server but on step 7 I get this error: BUILD FAILED /usr/local/red5/build.xml:217: The ...
2
votes
1answer
1k views

How do I set the jmx to listen in a specific IP

I am trying to configure jboss to allow monitoring with a jmx tool (I am looking at a few so no need to give). Looking at the properties in java jmx docs it does not seem to have a property to set ...
0
votes
0answers
31 views

HttpServletRequest.getRemoteAddr() always returns 127.0.0.1

We're attempting to identify where specific requests are coming from inside our Java application. We have changed the log files to include the IP address and we're using ...
1
vote
0answers
10 views

Solr 503 when using boost function

I have three environments which are set up to use Solr: local, staging and production. The local configuration differs slightly to the staging/production however the other two are identical. I ...
0
votes
0answers
28 views

OpenShift, change java security properties

The latest WildFly OpenShift image includes Java 8u31. But my apps needs the disabled sslv3 'algorithm'. So I need to edit the java.security file from the JRE but this file is read-only. How can ...
0
votes
2answers
38 views

java installed but not working (dependency issue??)

I just installed Java 8 on my new VPS I set the links correctly but, still java, or javac won`t work: root@vpsXXXXX:~# update-alternatives --display java java - Auto-Modus Link verweist zur Zeit ...
0
votes
0answers
21 views

CORBA lookup fails with NameNotFoundException

The CORBA lookup works fine from localhost: thufir@doge:~$ thufir@doge:~$ appclient -client NetBeansProjects/corba/GreeterCorbaClient/dist/GreeterCorbaClient.jar {org.omg.CORBA.ORBInitialPort=3700, ...
0
votes
0answers
19 views

Apache 2.4 switching sessions from primary to backup in between even when sticky session is enabled

I am facing issue with long running requests . We have a case of file upload in which file upload process starts and at front end we represnt the user with a progress bar to show the percentage of ...
2
votes
1answer
1k 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
votes
3answers
95 views

Jenkins maven java 7 permission issue

I'm getting this error when attempting a Maven build in Jenkins, Building in workspace /var/lib/jenkins/workspace/xxxxprojectnamedeletedforprivacyxxxx java.nio.file.AccessDeniedException: ...
2
votes
8answers
4k views

What are best practices regarding multiple JVMs on a server?

Many third party products require a specific version of the JRE or JDK and many of our servers have multiple duties. Application teams argue they should not care where Java is installed. Most of the ...
0
votes
2answers
125 views

Dependancy error when building maven project

I'm trying to move an application from being built locally on a Windows Eclipse installation to a Jenkins server. From what I can see the settings are correct and the dependencies should resolve. Even ...
3
votes
1answer
2k views

Signing a Java Deployment Rule Set JAR using AD Certificate Services

I am tasked with deploying Java 7 Update 55 along with a Java Deployment Rule Set to all Active Directory Windows clients. I've managed to get a solid Java software deployment setup but I'm now ...
0
votes
3answers
4k views

Tomcat 7 Throwing Unsupported Class Version Error

I'm setting up a Tomcat server to host JSP sites. I have created a test application in Eclipse to make sure everything is working. All it does is print text in JSP, then call a function in a custom ...
0
votes
2answers
4k 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 ...
0
votes
0answers
27 views

how do I configure a glassfish host and broker to use JMS?

In trying to run a JMS Message producer remotely, I'm going through the fine manual: Administering the Java Message Service (JMS) GlassFish Server Open Source Edition Administration Guide Release 4.0 ...
3
votes
1answer
4k views

JBoss 7.1.1 Clustering, JBAS014775:New missing/unsatisfied dependencies

I am following https://docs.jboss.org/author/display/AS71/AS7+Cluster+Howto I managed to get 2 servers running. One slave. One master. I managed to get to "Dry Run" I got: [Host Controller] ...
42
votes
5answers
3k views

How do I install the JRE on a Windows server without Oracle adware?

I would like to install Java on one of our servers, but I am reticent due to Oracle's bundling of an Ask.com toolbar and some virus scanner. I've read that the java updater even installs these for ...
0
votes
1answer
836 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 ...
0
votes
1answer
847 views

Tomcat web application intermittent freeze

I have a Grails web application (just a standard war file) deployed on a Ubuntu 10.10 server running on tomcat 6. My database is postgresql. The problem is that every so often (once or twice a day ...
1
vote
2answers
3k views

error ocuuring ::: failed to install tomcat 7 service

While I'm trying to install Tomcat(apache-tomcat-7.0.23.exe) on my system (Windows XP SP3), which is in company's network, it is showing me the following error: failed to install tomcat 7 service ...
-2
votes
0answers
26 views

Tomcat 7 inaccessible on digital ocean

So, I'm trying to get Tomcat to work on Digital Ocean. The server starts up without errors, but it's inaccessible both locally and remotely. It hangs when I try to access it. However, it does work ...
17
votes
6answers
60k views

What is the value of JAVA_HOME for CentOS?

I have install java through yum on CentOS, however another java programme needs to know what the JAVA_HOME environmental variable is. I know all about setting environmental variables, but what do I ...
0
votes
1answer
864 views

Error in tomcat 7 start up

I am facing problem in starting up the tomcat zip file. I am totally new to jsp and servlets. I have installed tomcat 7.0.52 and set the path and java_home both. In one of my system its working fine ...
0
votes
0answers
33 views

Tomcat client certificate authentication, client certificate not sent

I've add client certificate based authentication on our Tomcat servers. Both client and server are tomcat servers with internal CA issued certificates. Each tomcat has its own keystore (PKCS12) ...
1
vote
1answer
148 views

System-wide JRE settings in deployment.properties file are ignored?

Basically I have the same problem as in this question. However the proposed solution doesn't work for me, not on a Win2003 server and not on a Win7 laptop used for testing. I have a Java SE 6 program ...
0
votes
0answers
27 views

tomcat https static content

We are using tomcat to serve everything over http. BUT, we have a login page which is served over https since we have them enter a password. Recently, chrome has stopped supporting serving non secure ...
1
vote
1answer
898 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 ...
0
votes
0answers
5 views

Library to create self querying SNMP Agent in Java

I am trying to create an SNMP Management Agent that will query itself the OID of the Object to be retrieved. It will retrieve the value and store it in an internal database for later retrieval. The ...
3
votes
1answer
240 views

Is it appropriate to use HeapDumpOnOutOfMemoryError in Production?

We have been struggling to diagnose the cause of an OutOfMemoryError we experienced on one of our production servers. Our attempts to reproduce the issue in soak tests have so far failed, and we are ...
0
votes
0answers
9 views

CATALINA_HOME not exported properly in Ubuntu 12.04

Running Ubuntu 12.04 and Tomcat6 A Java web app (ClinCapture) attempts to access catalina_home and instead of returning CATALINA_HOME=/usr/share/tomcat6 it returns ...