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

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2
votes
1answer
272 views

Issue with solr memory usage

I'm having memory problems with a Solr slave instance. The problem is that every time the slave replicates new changes from the master, the slave starts a new searcher, and apparently the old one ...
0
votes
0answers
48 views

CouchBase Client Fails to Cache Object less than 20mb. Time Out Error

I am caching my serialized POJO s(4mb-8mb size objects) concurrently into Couchbase server with CouchBase client (couchbase-client-1.4.3). for(upto 20 itertarions){ new Thread().start().. ...
0
votes
1answer
26 views

Nginx: index mapping

I'm trying to install Nging as a frontend server for HTTP requests but the welcome page does not work: server { listen 8081; server_name localhost; root ...
0
votes
0answers
148 views

java.lang.ClassNotFoundException: org.postgres.Driver when starting PuppetDB

When I start puppetdb I am getting the following error: cat /var/log/puppetdb/puppetdb.log 2014-08-06 11:29:50,558 ERROR [main] [utils.logging] Uncaught exception java.lang.ClassNotFoundException: ...
0
votes
1answer
712 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
0answers
121 views

Set JAVA_HOME is not working

I'm trying to set JAVA_HOME in CentOS 6.5 by editing the file ~/.bash_profile and adding this line at end: PATH=$PATH:$HOME/bin export PATH export ...
0
votes
0answers
33 views

Glassfish-3.0.1 mixing user sessions - SSO

We are experiencing a strange behaviour, we have an application (jsf 2.2.4 embedded) that has a login form, glassfish has sso enabled and a custom realm (LDAP). We have also several applications (some ...
-3
votes
1answer
35 views

debian - using apache virtual host as proxy [duplicate]

I have a server with debian 7.4 and apache2 installed. I have setup virtual hosts and all works well. Now instead of pointing the virtual host to a documentroot I need it to point to a port on the ...
0
votes
0answers
24 views

Tomcat breaks encoding of uploaded file in CP1250

I have a Java web application which processes uploaded files in different encodings. When I run this app on Tomcat 7 installed on my Windows PC and I upload a file encoded in CP1250, everything works ...
0
votes
0answers
19 views

Using Java DRS with JNLP files

I am working on creating a DRS (http://docs.oracle.com/javase/7/docs/technotes/guides/jweb/security/deployment_rules.html) for a corporate environment. Currently the organization is using JRE6U26, ...
0
votes
0answers
39 views

Handle many requests Web Services

I created a web service with Jersey and Tomcat in localhost. Now I want to expose my web services to all users in the world, so let's assume you have many concurrent requests. I have access to a ...
3
votes
4answers
9k 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 ...
13
votes
5answers
49k 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 ...
2
votes
1answer
77 views

How to replicate Memcache data among servers

A same question in SO can be found from here . But since I couldn't find any suitable answer, I am asking with additional info. I have many memcache clients but all of them access one memcache server ...
0
votes
1answer
65 views

Install Java 1.7 non-interatively on Ubuntu 12.04

I need to install Java 1.7 on several machines and hence I want to do it using a script. The problem is the installation asks for certain options (to be specific 'Y', then 'OK' and finally 'Yes'). I ...
1
vote
0answers
146 views

Error while installing jasperserver

I am about to install a jasperserver instance on my server. This is not my first jasperserver installation and I did this already on my host system and on a lxc. But now for some reason I get ...
0
votes
1answer
21 views

Strange behavour of which in a shell script launched as a forked process

So I have a java process that is doing some automation. One of the things it has to do is find the JDK home on random machines. So I wrote a shell script to try and find the JDK home assuming that ...
1
vote
1answer
3k views

ProCurve 2610 Java error?

I've got two identical procurve 2610-24/12PWR switches with the web interface configured. I can log in to one and see all the management info just fine. When I load the web interface of the other ...
1
vote
0answers
2k views

How to install Oracle Java on Debian Wheezy with make-jpkg and fakeroot without errors?

How to install Oracle Java on Debian Wheezy with make-jpkg and fakeroot? the manual for installing oracle java on debian wheezy is quite clear and understandable: http://wiki.debian.org/JavaPackage ...
1
vote
0answers
56 views

Tomcat 8 with Apache, Configure Several Java & WordPress Domains

** PROBLEM SUMMARY ** I think the subject line defines my question pretty well, but I'm going to give an example of my current and goal setup for clarification. Considering the sheer number of ...
-1
votes
2answers
128 views

CENTOS Vs Windows 2008 R2

We have an application running on Windows Server 2008 R2 with Apache WAMP, Tomcat, Mysql, PHP and java SE for last 4 years. Its a Web based ERP application. I would like to know if it makes sense to ...
4
votes
1answer
64 views

How to determine the Java version needed for different versions of DRACs

We have two different server machines in our workplace, they are: Dell - PowerEdge T620 - runs drac 7 (ver 1.35.35) Dell - PowerEdge 2950 - runs drac 5 (ver 1.65) Is it possible for me to ...
3
votes
0answers
418 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 ...
1
vote
1answer
49 views

Is the Kerberos SPN FQDN significant to the server, or is the keytab enough?

I spend most of my time as a developer, so I'm not familiar with all the details... I have a service running on a linux host. I want to use Kerberos to transmit identity information to the service. ...
1
vote
1answer
96 views

can't get tomcat to offer TLS_ECDHE_ECDSA_… ciphers

my tomcat (7.0.52) Connector is configured with a cipher list like ciphers="TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, ...
0
votes
1answer
320 views

Tomcat & Java not listening on IPv6

We've got a webserver running Ubuntu 12.04 LTS, Tomcat 7 and Oracle Java. So far, we have been serving a web app on IPv4 address on ports 80 and 443 (80 redirects to 443). I'm trying to make the ...
51
votes
7answers
63k views

How to determine JAVA_HOME on Debian/Ubuntu?

On Ubuntu it is possible to have multiple JVMs at the same time. The default one is selected with update-alternatives. But this does not set the JAVA_HOME environment variable, due to a debian policy. ...
1
vote
0answers
63 views

Tomcat 7 went <defunct>, cannot kill the process. What might be the cause?

I was running tomcat7 production server for several days, and then suddenly it was unreachable by the http port. Strangely though, the background processes were still running as can be seen by the ...
1
vote
0answers
335 views

Tomcat Memory - Setting in setenv.sh not respected

I have Tomcat 7.0.35 on CentOS. I have configured setenv.sh to have the following: export JAVA_OPTS="-Dfile.encoding=UTF-8 -Xms128m -Xmx1024m -XX:PermSize=256m -XX:MaxPermSize=512m" However under ...
0
votes
1answer
68 views

How to prevent a specific request to redirect from http to https in SSL configuration?

I am facing one issue regarding ssl. Basically i want to stop redirection of only one request from http to https in Jboss 7. According to the requirement all http request should be redirected to ...
3
votes
1answer
291 views

Java applets not starting in IE on Windows Server 2008 R2

I can't get the Java ActiveX Add-on to work on a Remote Desktop Server 2008 R2 with Desktop Experience enabled. This is what I get after enabling compatibility mode from http://www.java.com/verify : ...
0
votes
0answers
56 views

How do I change Jboss' logging directory

I'm running jboss-as 7.2. I'm trying to configure all log files to go to /var/log/jboss-as but only the console log is going there. I'm using the init.d script provided with the package and it calls ...
0
votes
0answers
57 views

Embedding a browser in a 32bit Java/SWT/GTK application on 64bit linux

I have created a Java Application that uses SWT 3.6 and now I want to use the browser widget on a 64bit Debian 6.0 system while using a 32bit Java JRE and the 32 bit SWT/GTK libraries. I didn't feel ...
0
votes
0answers
52 views

lxc - java out of memory issues

I have a set of virtual machines on lxc container that run Ubuntu 14.04. All share same host and some of them are currently experiencing problems with java. Running java -version throws OutOfMemmory ...
58
votes
9answers
152k views

Can't seem to disable Java Automatic Update

I'm just tweaking out my new Windows 7 laptop and wanted to disable the automatic Java updating (and thus kill the silly jusched.exe background process), but I can't seem to get it to actually turn it ...
1
vote
5answers
277 views

Java Application Hosting

I've made a webapplication which runs on glassfish v3 on my computer. It's not a big application and i am not expecting a lot of traffic. All the hosts supporting glassfish is very expensive (about ...
0
votes
1answer
29 views

MySQL Cluster with no access to Data Nodes

I'd like to set up a MySQL Cluster for HA, but the client of the data cannot yet use ClusterJ. I would like create 2 SQL Nodes and access only them from the client. i.e. No access to the NDB Data ...
0
votes
2answers
56 views

FTP to multiple servers using one domain without load balancing

So i'm looking into how to allow users to FTP into different servers just through one domain such as ftp.mysite.com. Each of the servers will be unique in a manner of speaking, running their own ...
6
votes
5answers
1k views

Cannot create Java VM on OpenVZ

I'm constantly encountering an error related to Java and certificates on my Ubuntu server running in OpenVZ when installing things from apt-get. I'm pretty sure it has to do with how Java allocates ...
0
votes
1answer
164 views

Solr: Using multiple SQL server data sources results in error: “…\sqljdbc_auth.dll already loaded in another classloader”

I have one Solr instance running in Jetty with JRE 8 with 3 collections (same as cores, yes?) and more to come. I am indexing data from SQL Server, connecting using NTLM as the identity of the Java ...
0
votes
1answer
2k 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, ...
1
vote
0answers
18 views

JRE fragmentation and solutions

In my environment, we have several web based applications that leverage Java for various web components. The issue is, each one of these applications requiring a different jre version. We are always ...
0
votes
1answer
189 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 # ...
3
votes
2answers
151 views

After kill -9 process won't disappear and port is still bound

We have a Java server application running on Mac OS X. Occasionally this application has become unresponsive, and we have resorted to killing it with kill -9. However, the process doesn't disappear; ...
-1
votes
1answer
223 views

Solr process gets killed immediately after starting

I just downloaded solr 4.8.0 from the apache website to my ubuntu 12.04, 64 Bit, 3GB ram VPS server and extracted it. Then I installed the openjdk-7-jre using this command: sudo apt-get install ...
0
votes
1answer
196 views

Will tcnative-1.dll version 1.1.30 work with tomcat 7.0.29 without any issues?

In order to fix the Heartbleed vulnerability a new release of the tomcat java native libraries is being created. Will this release work with older versions of Tomcat 7 such as 7.0.29, or will this ...
0
votes
0answers
88 views

XenServer Console

I just follow this tutorial to access XenServer Console. I can run the first example, and it's working fine, but for the second example it's not working. I cannot access to console with a java ...
2
votes
2answers
2k views

Scheduled task fails, but runs fine when triggered manually

We have a 2008 R2 server with a scheduled task that runs a .bat file which executes a call to a Java app. The task triggers just fine, but stops executing anything after it creates the log file. ...
0
votes
0answers
64 views

error in getting output of jsp pages in apache tomcat 7.0.53

How can I get the output of javascript page in Apache-tomcat-7.0.53? I am trying to design a web page using javascript in Apache tomcat 7. I have created sub folder under webapps i.e hellojsp and ...
0
votes
1answer
125 views

Tomcat vs. IIS - multiple worker processes

The Application Pool feature of IIS allows to run several applications each separated to each own isolated processes. Is there any equivalent in Tomcat? Or do I have to deploy Tomcat several times to ...