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

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1answer
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Tomcat 7 ClassNotFoundException: org.apache.tomcat.JarScanner

When I try and start my app I get this error. I have verified that JarScanner exists in the CATALINA_HOME directory so I dont know why it cant find it. Is there anything that could lead to this issue ...
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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... ...
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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 ...
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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
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1answer
914 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
18 views

MultiCraft ascii codec error [on hold]

Im trying to get minecraft working on this server, but im getting this error when trying to start a new minecraft server instance through the program. Starting daemon 07.24 23:17:37 INFO ...
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1answer
23 views

JRE/JDK Changing Destination Folder

This may seem innocuous, but it's got me thinking... I'm currently setting up a fresh Azure server for a project. It needs Java for a number of the things it will be doing. One thing I like to do is ...
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0answers
25 views

Java out of memory exception when running as a non root user

I'm attempting to run apache kafka on a small basically stock digital ocean server running centos 6.6. I'm not positive if this issue is kafka specific or not. When I run kafka as the root user ...
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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 ...
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1answer
440 views

Unattended silent install of Java on OS X Lion/Mountain Lion (OS X 10.7, 10.8)

As Java is not installed by defaults on Lion and Mountain Lion systems (OS X 10.7, 10.8) I would like to deploy it to all machines on our network. I understand that I can simply download the .pkg and ...
0
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1answer
939 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
331 views

Vertx: What do these errors mean?

I'm trying to run a java applet using the Vertx platform but getting the following errors, as I am not a java person.. I'm having a hard time understanding how to fix these, your help is much ...
2
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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 ...
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2answers
5k 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
9 views

Tuckey UrlRewriteFilter unable to match regex with positive lookahead

This is about Turkey's UrlRewriteFilter I have a rule to convert the first segment of url to lowercase, provided that there's an uppercase letter in it. This is what it looks like: <rule> ...
4
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5answers
20k views

Java Deployment Rule Set via AD Enterprise CA

My goal is to get a Java Deployment Rule Set in place in my organization, but I do not want to pay third-party certificate authority for a code signing cert when we have a working CA running through ...
2
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4answers
10k views

iDRAC6 Virtual Media native library cannot be loaded

When attempting to mount Virtual Media on a iDRAC6 IP KVM session I get the following error: I'm using Ubuntu 9.04 and: $ javaws -version Java(TM) Web Start 1.6.0_16 $ uname -a Linux ...
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1answer
34 views

what is the plug-in for Firefox in order to access the HP blade center [closed]

I work with HP_blade center machine , Type - C7000 Enclosure G3 In the HP blade center I have couple of HW machines with Linux red-hat OS I have successfully access to the HP integrated management ...
2
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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 ...
3
votes
1answer
33 views

Remove all sites from allowed list for plugin in IE via GP

I would like to remove all sites from the list of approved sites for a plugin in Internet Explorer as described here but I would like to do so via Group Policy. Is this possible? I know I can disable ...
5
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2answers
847 views

Linux (non-transparent) per-process hugepage accounting

I've recently converted some java apps to run with linux manually-configured hugepages, as described here. I point out "manually-configured" because they are not transparent hugepages, which gave us ...
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2answers
19 views

why CATALINA_OPTS arguments shows up in java process on running tomcat even though its an environment variable

I run tomcat process by this command in python : os.execve(cmd, [cmd, "run"], env) The env variable sets CATALINA_OPTS = -server -Xms512m -Xmx512m -Xss512k Now when i run the script following java ...
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1answer
57 views

Apache Tomcat 7 on windows 2008: how to make two hosts point to same website

I’m new to Apache Tomcat. I have been asked to point new domain name to the existing domain name. E.g. We have https://xyz.abc.com, we want new domain name http://123.abc.com to point to ...
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1answer
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 ...
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1answer
25 views

Configuring dovecot and postfix ssl setting by jks file

I have CA JKS (Java Keystore) file which the CA bundle was added to it completely and we don't have any problem with java stuffs. Now how may I export/manipulate, keys and required stuffs for setting ...
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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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1answer
18 views

Debian, kill java by it's jar name?

Okay, I am going to be running two java application on the same VPS one will be running nearly all the time. The other one will not need to be. I am wondering if there is away to kill java based on ...
4
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3answers
9k views

How can I install WildFly 8.0.0.Final as service on Ubuntu Linux?

I am trying to install the WildFly 8.0.0.Final application server on a Virtual Machine running Ubuntu 12.04 LTS. I've done some searches on Google, but I found only third-party scripts and, I think, ...
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0answers
50 views

JavaFX: Connecting MySQL database remotely on a hosting provider. SECURE? [closed]

My JavaFX Desktop Application is currently connected to a hosted MySQL database remotely on bluehost. I query "SELECT", "UPDATE", "DELETE" on my JavaFX Application and successfully done. I am using ...
0
votes
1answer
5k 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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4answers
28k views

Cannot switch, ssh to specific user: su: cannot set user id: Resource temporarily unavailable?

/var/log/secure: su: pam_keyinit(su-l:session): Unable to change UID to 500 temporarily su: pam_keyinit(su-l:session): Unable to change UID to 500 temporarily su: pam_unix(su-l:session): session ...
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0answers
44 views

Set up 'tomcat' non-root user in Tomcat 8

I've installed Tomcat 8 in Debian 8 and I need to harden the web server. I'm following the official Tomcat documentation guide and in the security considerations section recommends to create another ...
0
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1answer
911 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 ...
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0answers
10 views

ServerSocket and Web Hosting or Virtual Private Server [duplicate]

My problem is that I need to know how to run Java classes or jars on a web host. I have a program that opens a ServerSocket and it works fine when I run it from my local computer, but I want to be ...
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1answer
1k 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 ...
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0answers
51 views

Why is GlassFish 4.1 slow on Ubuntu 15.04?

I have a GlassFish 4.1 Server instance running on Ubuntu 15.04 Desktop Edition. I use this as a development server, where NetBeans will automatically deploy my packages as I work on them, for easy ...
0
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1answer
921 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 ...
1
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1answer
1k views

Jetty JMX setup for remote access

I am having some issues getting JMX working on Jetty(9.1.3.v20140225), so I have had a read over the Jetty doco on this. So I have added the following to the jetty.conf # ...
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1answer
954 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 ...
2
votes
0answers
36 views

jboss 6.x runtime server shows blank page [closed]

I am running my server JBoss 6.x runtime server with eclipse Kepler. When I run my server I get: JBoss 6.x Runtime Server [Started,synchronized] But when access http://localhost:8080/ i got blank ...
3
votes
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 ...
1
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1answer
174 views

How to make glassfish v3.1.1 run with -Xmx256m?

I have a t1.micro amazon instance and that machine have very scarce resources. I need for the moment to run glassfish3.1.1 (due to complete JEE6 support) on those conditions. Any guidance is welcome. ...
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0answers
27 views

Multiple redirection issue with Apache http proxy

I am using Apache and tomcat in my environment. Communication between there two servers is http(not AJP). Here is my configurations from httpd.conf file ProxyRequests On NameVirtualHost *:80 ...
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0answers
41 views

Adding custom domains in a site builder

I'm involved in the development of a site builder which is hosted on Google Appengine. The project is associated to a wildcard domain (e.g. *.foo-bar.com) and we then use the subdomain to determine ...
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2answers
37 views

how verify that weblogic is up to date

How can I verify that Oracle Weblogic is up to date ? The administration console print 10.3.6.0 as weblogic version. I visited Oracle site and the last version to download is 10.3.6 but I think that ...
0
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1answer
29 views

Monitoring Java garbage collector and memory status

I'm running some Rails applications on Jboss with JRuby. Sometimes the Java garbage collector can't free memory and the jvm consume all the available memory. I'm trying to create a custom metric ...
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0answers
17 views

I am trying to deploy SAS ECM webapp over Weblogic Server, but I am not able to start this app and getting below error in error log

I am trying to deploy SAS ECM webapp over Weblogic Server, but I am not able to start this app and getting below error in error log <Jun 29, 2015 11:44:12 AM GST> <Error> <Deployer> ...
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1answer
31 views

Access static files on Tomcat directory using VirtualHost

I am running a Java webservice (JAX-WS) on Tomcat 8 from my AWS EC2 Linux instance, and I have a subdomain pointing to the service, so that I can call the service with URL ...
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2answers
44 views

Server midnight - high memory allocations and does not let go, what to check?

How can I check what my server was doing at midnight, to locate the high memory spike, which he is still holding on. Only things I'm running on the server is Apache2 with a Flask app, and a Tomcat7 ...